Kepler-257 Overview
Kepler-257
1.16
R⦿
4998.00
K
Kepler-257 b
0.233
RJup
Kepler-257 c
0.483
RJup
Kepler-257 d
0.442
RJup
- Architecture
- Kepler-257
- Kepler-257
- Other Data
- Bibliography 17
- Exoplanet Archive Notes 3
- Nearby Data 6
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| Kepler-257 | Kepler-257 b | Transit | 2014 | Rowe et al. 2014 | Confirmed Planet |
| Kepler-257 | Kepler-257 c | Transit | 2014 | Rowe et al. 2014 | Confirmed Planet |
| Kepler-257 | Kepler-257 d | Transit | 2014 | Rowe et al. 2014 | Confirmed Planet |
Kepler-257 b
- Orbital period, transit mid-point, transit duration, Rp/Rs and their errors taken from DR24 KOI table. Planet radius error propagated from stellar radius error in ref. and Rp/Rs error. (Morton et al. 2016)
- Orbital period, transit mid-point, transit duration, Rp/Rs and their errors taken from DR24 KOI table. Planet radius error propagated from stellar radius error in ref. and Rp/Rs error. (Morton et al. 2016)
- Orbital period, transit mid-point, transit duration, Rp/Rs and their errors taken from DR24 KOI table. Planet radius error propagated from stellar radius error in ref. and Rp/Rs error. (Morton et al. 2016)
- RA
- 19h49m15.84s
- Dec
- +46d01m23.75s
- Distance
-
780.256+17.540-16.799pc
- Parallax
- 1.2535300±0.0279736 mas
- Ecliptic Latitude
- 64.91008 deg
- Ecliptic Longitude
- 318.71577 deg
- Galactic Latitude
- 10.01236 deg
- Galactic Longitude
- 79.87071 deg
- Total Proper Motion
- 3.1528168±0.0557154 mas/yr
- Proper Motion (RA)
- 3.1380500±0.0557212 mas/yr
- Proper Motion (Dec)
- 0.304788±0.055093 mas/yr
- Photometry
-
mV15.652±0.150
-
mTESS14.7942±0.0071
-
mJ13.916±0.023
-
mH13.448±0.026
-
mKs13.372
-
mKep15.471
-
mW113.299±0.023
-
mW213.375±0.027
-
mW313.056±0.528
-
mW49.389
-
mGaia15.421500±0.000727
-
mB16.816±0.115
-
mg---
-
mi---
-
mr---
-
mz---
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.37±0.04 dex
-
[C/H] 0.25±0.09 dex
-
[O/H] 0.20±0.09 dex
-
[Na/H] 0.38±0.04 dex
-
[Mg/H] 0.28±0.07 dex
-
[Al/H] 0.32±0.06 dex
-
[Si/H] 0.29±0.05 dex
-
[Ca/H] 0.43±0.06 dex
-
[Y/H] 0.39±0.08 dex
-
| Source | TICv8 | Gaia DR2 | Morton et al. 2016 | Rowe et al. 2014 | Batalha et al. 2013 | Latham et al. 2005 | Q1-Q17 DR25 Supplemental KOI Table | Q1-Q17 DR25 Supplemental KOI Table | Q1-Q17 DR25 Supplemental KOI Table | Q1-Q17 DR25 KOI Table | Q1-Q17 DR25 KOI Table | Q1-Q17 DR25 KOI Table | Q1-Q17 DR24 KOI Table | Q1-Q17 DR24 KOI Table | Q1-Q17 DR24 KOI Table | Q1-Q16 KOI Table | Q1-Q16 KOI Table | Q1-Q16 KOI Table | Q1-Q12 KOI Table | Q1-Q12 KOI Table | Q1-Q12 KOI Table | Q1-Q8 KOI Table | Q1-Q8 KOI Table | Q1-Q8 KOI Table | Q1-Q6 KOI Table | Q1-Q6 KOI Table | Q1-Q6 KOI Table | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
4972.0±123.0 |
4880.6167+202.8610-43.6167
|
5209.000+96.033-149.365
|
5180±200 | 4998 | 4998 | --- | --- | --- |
5188 +171-155
|
5188 +171-155
|
5188 +171-155
|
5188 +188-154
|
5188 +188-154
|
5188 +188-154
|
5188 +188-154
|
5188 +188-154
|
5188 +188-154
|
5188.00 +188.00-154.00
|
5188.00 +188.00-154.00
|
5188.00 +188.00-154.00
|
5058.00±103.00 | 5058.00±103.00 | 5058.00±103.00 | 4998 | 4998 | 4998 | ||
|
Metallicity
(dex)
|
--- | --- | 0.0400±0.1520 [Fe/H] | --- | --- | 0.315 [Fe/H] | --- | --- | --- |
0.32 +0.15-0.25
[Fe/H]
|
0.32 +0.15-0.25
[Fe/H]
|
0.32 +0.15-0.25
[Fe/H]
|
0.320 +0.140-0.240
[Fe/H]
|
0.320 +0.140-0.240
[Fe/H]
|
0.320 +0.140-0.240
[Fe/H]
|
0.320 +0.140-0.240
[Fe/H]
|
0.320 +0.140-0.240
[Fe/H]
|
0.320 +0.140-0.240
[Fe/H]
|
0.320 +0.140-0.240
[Fe/H]
|
0.320 +0.140-0.240
[Fe/H]
|
0.320 +0.140-0.240
[Fe/H]
|
--- | --- | --- | --- | --- | --- | ||
|
R✶
(R⦿)
|
0.87259 |
0.8448594+0.0153054-0.0660844
|
0.810+0.055-0.043
|
1.037±0.518 | 0.90 | 1.160 | --- | --- | --- |
0.973 +0.333-0.154
|
0.973 +0.333-0.154
|
0.973 +0.333-0.154
|
0.973 +0.706-0.142
|
0.973 +0.706-0.142
|
0.973 +0.706-0.142
|
0.973 +0.706-0.142
|
0.973 +0.706-0.142
|
0.973 +0.706-0.142
|
0.9730 +0.7060-0.1420
|
0.9730 +0.7060-0.1420
|
0.9730 +0.7060-0.1420
|
0.7500±0.8200 | 0.7500±0.8200 | 0.7500±0.8200 | .9 | .9 | .9 | ||
|
log g
(log10(cm/s2))
|
4.47026 | --- |
4.560+0.033-0.067
|
4.360±0.300 | 4.46 | 4.30 | --- | --- | --- |
4.4 +0.14-0.26
|
4.4 +0.14-0.26
|
4.4 +0.14-0.26
|
4.4 +0.131-0.432
|
4.4 +0.131-0.432
|
4.4 +0.131-0.432
|
4.4 +0.131-0.432
|
4.4 +0.131-0.432
|
4.4 +0.131-0.432
|
4.400 +0.131-0.432
|
4.400 +0.131-0.432
|
4.400 +0.131-0.432
|
4.560±0.300 | 4.560±0.300 | 4.560±0.300 | 4.46 | 4.46 | 4.46 | ||
|
L✶
(log10(L⦿))
|
-0.3775604 |
-0.43783760+0.02329491-0.02461559
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ||
|
Age
(Gyr)
|
--- | --- |
4.79+6.41-2.97
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 14±3.3 | 14±3.3 | 14±3.3 | --- | --- | --- | ||
|
M✶
(M⦿)
|
0.82 | --- |
0.850+0.042-0.041
|
--- | --- | --- | --- | --- | --- |
0.868 +0.073-0.06
|
0.868 +0.073-0.06
|
0.868 +0.073-0.06
|
0.868 +0.099-0.055
|
0.868 +0.099-0.055
|
0.868 +0.099-0.055
|
0.868 +0.099-0.055
|
0.868 +0.099-0.055
|
0.868 +0.099-0.055
|
0.8680 +0.0990-0.0550
|
0.8680 +0.0990-0.0550
|
0.8680 +0.0990-0.0550
|
0.7400±0.1400 | 0.7400±0.1400 | 0.7400±0.1400 | --- | --- | --- | ||
|
ρ✶
(g/cm3)
|
1.7399935 | --- | --- | --- | --- | --- | --- | --- | --- |
1.36794 +1.83624-0.18284
|
2.81619 +7.47674-0.21484
|
2.08376 +0.12350-0.56764
|
1.89825 +0.24691-0.39765
|
2.26936 +7.43563-0.99973
|
3.03443 +0.35971-0.86675
|
1.89825 +0.24691-0.39765
|
3.03443 +0.35971-0.86675
|
2.26936 +7.43563-0.99973
|
2.26936 +7.43563-0.99973
|
1.89825 +0.24691-0.39765
|
3.03443 +0.35971-0.86675
|
--- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Rowe et al. 2014 | Gajdoš et al. 2019 | Holczer et al. 2016 | Morton et al. 2016 | Q1-Q17 DR25 Supplemental KOI Table | Q1-Q17 DR25 KOI Table | Q1-Q17 DR24 KOI Table | Q1-Q16 KOI Table | Q1-Q12 KOI Table | Q1-Q8 KOI Table | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
a/R✶
|
--- | --- | --- | --- | --- | 7.43±3.3 | 9.69±1.1 | 9.69±1.1 | 9.69±1.1 | 8.6±2.3 | ||
|
Teq
(K)
|
--- | --- | --- | --- | --- | 1237 | 1237 | 1237 | 1237 | 1079 | ||
|
b
|
0.09±0.22 | --- | --- | --- | --- |
0.682 +0.019-0.519
|
0.1489 +0.2995-0.1488
|
0.1489 +0.2995-0.1488
|
0.1489 +0.2995-0.1488
|
0.54±0.26 | ||
|
S
(S⨁)
|
--- | --- | --- | --- | --- |
553.53 +581.85-206.16
|
553.53 +1346.93-195.62
|
553.53 +1346.93-195.62
|
553.53 +1346.93-195.62
|
--- | ||
|
e
|
--- | --- | --- | --- | --- | 0 | 0 | 0 | 0 | 0 | ||
|
i
(deg)
|
--- | --- | --- | --- | --- | 84.74 | 89.38 | 89.38 | 89.38 | 86.52 | ||
|
P
(days)
|
2.382667±0.000006 | 2.3826432093±0.0000033764 | 2.38265264±0.00000178 | 2.382652169±3.277e-06 | 2.382652873±3.595e-06 | 2.382652873±3.595e-06 | 2.382652169±3.277e-06 | 2.382652169±3.277e-06 | 2.382652169±3.277e-06 | 2.382666±1.3e-05 | ||
|
Rp
(R⨁)
|
2.61±1.31 | --- | --- |
2.22+0.17-0.13
|
--- |
2.74 +0.94-0.43
|
2.67 +1.94-0.39
|
2.67 +1.94-0.39
|
2.67 +1.94-0.39
|
2±2.2 | ||
|
Rp/R✶
|
--- | --- | --- |
0.025163 +0.000918-0.000417
|
--- |
0.025814 +0.003739-0.001849
|
0.025163 +0.000918-0.000417
|
0.025163 +0.000918-0.000417
|
0.025163 +0.000918-0.000417
|
0.0241±0.0014 | ||
|
a
(au)
|
0.034 | --- | --- | --- | --- | .0333 | .0333 | .0333 | .0333 | .032 | ||
|
δ
(%)
|
--- | --- | 0.0763 | --- | --- | 0.07054±0.00181 | 0.07943±0.00178 | 0.07943±0.00178 | 0.07943±0.00178 | 0.06720 | ||
|
T14
(hours)
|
1.812±0.044 | --- | 2.0226 | 1.9085±0.0458 | --- | 1.8888±0.0448 | 1.9085±0.0458 | 1.9085±0.0458 | 1.9085±0.0458 | 1.8525 | ||
|
TC
(days)
|
2455003.66330±0.00125 | 2455003.66943000±0.00109341 | 2454965.543615±0.001535 | 2455003.66641±0.00109 | 2455003.666±0.00119 | 2455003.666±0.00119 | 2455003.666±0.00109 | 2455003.666±0.00109 | 2455003.666±0.00109 | 2455003.6632±0.0013 | ||
|
Rp
(RJup)
|
0.233±0.117 | --- | --- |
0.198+0.015-0.012
|
--- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Rowe et al. 2014 | Gajdoš et al. 2019 | Holczer et al. 2016 | Morton et al. 2016 | Q1-Q17 DR25 Supplemental KOI Table | Q1-Q17 DR25 KOI Table | Q1-Q17 DR24 KOI Table | Q1-Q16 KOI Table | Q1-Q12 KOI Table | Q1-Q8 KOI Table | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
P
(days)
|
6.581484±0.000008 | 6.5814785507±0.0000047720 | 6.58148439±0.00000086 | 6.581478842±5.012e-06 | 6.581477136±5.485e-06 | 6.581477136±5.485e-06 | 6.581478842±5.012e-06 | 6.581478842±5.012e-06 | 6.581478842±5.012e-06 | 6.581501±1.7e-05 | ||
|
δ
(%)
|
--- | --- | 0.2480 | --- | --- | 0.23189±0.00221 | 0.25131±0.00216 | 0.25131±0.00216 | 0.25131±0.00216 | 0.22740 | ||
|
T14
(hours)
|
3.289±0.048 | --- | 3.2780 | 3.1294±0.0376 | --- | 3.0896±0.0368 | 3.1294±0.0376 | 3.1294±0.0376 | 3.1294±0.0376 | 3.0976 | ||
|
TC
(days)
|
2455007.78643±0.00063 | 2455007.78773000±0.00053520 | 2454968.298280±0.000725 | 2455007.787501±0.000581 | 2455007.788±0.00063 | 2455007.788±0.00063 | 2455007.788±0.000581 | 2455007.788±0.000581 | 2455007.788±0.000581 | 2455007.78619±0.00076 | ||
|
Rp
(R⨁)
|
5.41±2.72 | --- | --- |
3.99+0.28-0.22
|
--- |
4.56 +1.56-0.72
|
4.77 +3.47-0.69
|
4.77 +3.47-0.69
|
4.77 +3.47-0.69
|
3.4±3.8 | ||
|
Rp
(RJup)
|
0.483±0.243 | --- | --- |
0.356+0.025-0.020
|
--- | --- | --- | --- | --- | --- | ||
|
Rp/R✶
|
--- | --- | --- |
0.044931 +0.000851-0.000788
|
--- |
0.042884 +0.001317-0.000496
|
0.044931 +0.000851-0.000788
|
0.044931 +0.000851-0.000788
|
0.044931 +0.000851-0.000788
|
0.0421±0.0023 | ||
|
a/R✶
|
--- | --- | --- | --- | --- | 16.835±0.998 | 16.32±2.1 | 16.32±2.1 | 16.32±2.1 | 16.9±4.4 | ||
|
Teq
(K)
|
--- | --- | --- | --- | --- | 881 | 881 | 881 | 881 | 775 | ||
|
b
|
0.76±0.28 | --- | --- | --- | --- |
0.137 +0.314-0.137
|
0.2484 +0.1734-0.2482
|
0.2484 +0.1734-0.2482
|
0.2484 +0.1734-0.2482
|
0.03±0.36 | ||
|
S
(S⨁)
|
--- | --- | --- | --- | --- |
142.63 +149.93-53.12
|
142.63 +347.08-50.40
|
142.63 +347.08-50.40
|
142.63 +347.08-50.40
|
--- | ||
|
e
|
--- | --- | --- | --- | --- | 0 | 0 | 0 | 0 | 0 | ||
|
i
(deg)
|
--- | --- | --- | --- | --- | 89.53 | 89.38 | 89.38 | 89.38 | 89.95 | ||
|
a
(au)
|
0.066 | --- | --- | --- | --- | .0656 | .0656 | .0656 | .0656 | .062 |
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Rowe et al. 2014 | Gajdoš et al. 2019 | Holczer et al. 2016 | Morton et al. 2016 | Q1-Q17 DR25 Supplemental KOI Table | Q1-Q17 DR25 KOI Table | Q1-Q17 DR24 KOI Table | Q1-Q16 KOI Table | Q1-Q12 KOI Table | Q1-Q8 KOI Table | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
P
(days)
|
24.664551±0.000051 | 24.6643939784±0.0000307357 | 24.66454505±0.00000132 | 24.66459711±3.967e-05 | 24.66461416±4.062e-05 | 24.66461416±4.062e-05 | 24.66459711±3.967e-05 | 24.66459711±3.967e-05 | 24.66459711±3.967e-05 | 24.66454±0.00011 | ||
|
δ
(%)
|
--- | --- | 0.2561 | --- | --- | 0.23988±0.00468 | 0.26249±0.00461 | 0.26249±0.00461 | 0.26249±0.00461 | 0.24170 | ||
|
T14
(hours)
|
2.655±0.066 | --- | 2.9505 | 2.97±0.108 | --- | 2.8579±0.0617 | 2.97±0.108 | 2.97±0.108 | 2.97±0.108 | 2.9456 | ||
|
TC
(days)
|
2455022.02052±0.00102 | 2455022.02745000±0.00085583 | 2454972.691372±0.001055 | 2455022.01951±0.00111 | 2455022.02±0.00112 | 2455022.02±0.00112 | 2455022.02±0.00111 | 2455022.02±0.00111 | 2455022.02±0.00111 | 2455022.0203±0.0013 | ||
|
a/R✶
|
--- | --- | --- | --- | --- | 44.9±19.9 | 41.8±19.6 | 41.8±19.6 | 41.8±19.6 | 41±11 | ||
|
Teq
(K)
|
--- | --- | --- | --- | --- | 567 | 568 | 568 | 568 | 498 | ||
|
b
|
0.13±0.23 | --- | --- | --- | --- |
0.8 +0.061-0.567
|
0.8222 +0.0588-0.5259
|
0.8222 +0.0588-0.5259
|
0.8222 +0.0588-0.5259
|
0.84±0.11 | ||
|
S
(S⨁)
|
--- | --- | --- | --- | --- |
24.53 +25.78-9.14
|
24.53 +59.67-8.67
|
24.53 +59.67-8.67
|
24.53 +59.67-8.67
|
--- | ||
|
e
|
--- | --- | --- | --- | --- | 0 | 0 | 0 | 0 | 0 | ||
|
i
(deg)
|
--- | --- | --- | --- | --- | 88.98 | 88.81 | 88.81 | 88.81 | 88.81 | ||
|
Rp
(R⨁)
|
4.95±2.48 | --- | --- |
4.69+0.31-0.69
|
--- |
5.34 +1.83-0.84
|
5.67 +4.11-0.83
|
5.67 +4.11-0.83
|
5.67 +4.11-0.83
|
4.2±4.7 | ||
|
Rp/R✶
|
--- | --- | --- |
0.053368 +6.4e-05-0.007184
|
--- |
0.050261 +0.00235-0.005664
|
0.053368 +6.4e-05-0.007184
|
0.053368 +6.4e-05-0.007184
|
0.053368 +6.4e-05-0.007184
|
0.0519±0.0029 | ||
|
a
(au)
|
0.160 | --- | --- | --- | --- | .1582 | .1582 | .1582 | .1582 | .15 | ||
|
Rp
(RJup)
|
0.442±0.221 | --- | --- |
0.418+0.028-0.062
|
--- | --- | --- | --- | --- | --- |
Kepler Detection Products
(4 File Types, 23 Files)
| Kepler Pipeline Data Validation Reports | q1_q12_tce | q1_q16_tce | q1_q17_dr24_tce | q1_q17_dr25_tce | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kepler Pipeline Data Validation Summaries | q1_q12_tce | q1_q12_tce | q1_q12_tce | q1_q16_tce | q1_q16_tce | q1_q16_tce | q1_q17_dr24_tce | q1_q17_dr24_tce | q1_q17_dr24_tce | q1_q17_dr25_tce | q1_q17_dr25_tce | q1_q17_dr25_tce |
| Kepler TCERT Reports | q1_q16_tce | q1_q17_dr24_tce | q1_q17_dr25_tce | |||||||||
| Kepler Planet Detection Metrics | q1_q17_dr24_stellar | q1_q17_dr24_stellar | q1_q17_dr25_stellar | q1_q17_dr25_stellar |
Kepler Detection Products
| Kepler Pipeline Data Validation Summaries | q1_q12_tce | q1_q16_tce | q1_q17_dr24_tce | q1_q17_dr25_tce |
|---|
Kepler Detection Products
| Kepler Pipeline Data Validation Summaries | q1_q12_tce | q1_q16_tce | q1_q17_dr24_tce | q1_q17_dr25_tce |
|---|
Kepler Detection Products
| Kepler Pipeline Data Validation Summaries | q1_q12_tce | q1_q16_tce | q1_q17_dr24_tce | q1_q17_dr25_tce |
|---|
Kepler Object of Interest
| KepID | 9480189 | 9480189 | 9480189 | 9480189 | 9480189 | 9480189 | 9480189 |
|---|---|---|---|---|---|---|---|
| KOI Name | K00941.02 | K00941.02 | K00941.02 | K00941.02 | K00941.02 | K00941.02 | K00941.02 |
| Kepler Name | Kepler-257 b | Kepler-257 b | Kepler-257 b | Kepler-257 b | Kepler-257 b | Kepler-257 b | Kepler-257 b |
| Exoplanet Archive Disposition | CONFIRMED | CONFIRMED | CONFIRMED | CONFIRMED | CONFIRMED | CONFIRMED | CONFIRMED |
| Vetting Status | Done | Done | Done | Done | Done | Done | Done |
| Date of Last Parameter Update | 2018-08-16 | 2017-08-31 | 2015-09-24 | 2014-12-18 | 2014-12-04 | 2014-01-07 | 2013-02-12 |
| Disposition Using Kepler Data | CANDIDATE | CANDIDATE | CANDIDATE | NOT DISPOSITIONED | NOT DISPOSITIONED | CANDIDATE | CANDIDATE |
| Not Transit-Like False Positive Flag | 0 | 0 | 0 | 0 | 0 | --- | --- |
| Stellar Eclipse False Positive Flag | 0 | 0 | 0 | 0 | 0 | --- | --- |
| Centroid Offset False Positive Flag | 0 | 0 | 0 | 0 | 0 | --- | --- |
| Ephemeris Match Indicates Contamination False Positive Flag | 0 | 0 | 0 | 0 | 0 | --- | --- |
| Disposition Provenance | q1_q17_dr25_sup_koi | q1_q17_dr25_koi | q1_q17_dr24_koi | q1_q16_koi | q1_q12_koi | q1_q8_koi | q1_q6_kepler_candidates |
| Orbital Period [days] | 2.382652873±3.595e-06 | 2.382652873±3.595e-06 | 2.382652169±3.277e-06 | 2.382652169±3.277e-06 | 2.382652169±3.277e-06 | 2.382666±1.3e-05 | 2.382665±1.3e-05 |
| Transit Epoch [BKJD] | 170.66626±0.00119 | 170.66626±0.00119 | 170.66641±0.00109 | 170.66641±0.00109 | 170.66641±0.00109 | 170.6632±0.0013 | 170.6632±0.0013 |
| Transit Epoch [BJD] | 2455003.666±0.00119 | 2455003.666±0.00119 | 2455003.666±0.00109 | 2455003.666±0.00109 | 2455003.666±0.00109 | 2455003.6632±0.0013 | 2455003.6632±0.0013 |
| Parameters Provenance | q1_q17_dr25_sup_koi | q1_q17_dr25_koi | q1_q17_dr24_koi | q1_q16_koi | q1_q12_koi | q1_q8_koi | q1_q6_kepler_candidates |
| Number of Planets | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| TCE Delivery | q1_q17_dr25_tce | q1_q17_dr25_tce | q1_q17_dr24_tce | q1_q16_tce | q1_q12_tce | --- | --- |
| Link to DV Report | kplr009480189-20160209194854_dvr.pdf | kplr009480189-20160209194854_dvr.pdf | kplr009480189-20141002224145_dvr.pdf | kplr009480189-20130815195353_dvr.pdf | kplr009480189-20121029204534_dvr.pdf | --- | --- |
| RA [decimal degrees] | 297.31597999999997 | 297.31597999999997 | 297.31597999999997 | 297.31597999999997 | 297.31597999999997 | 297.31597999999997 | 297.31597999999997 |
| Dec [decimal degrees] | 46.023258 | 46.023258 | 46.023258 | 46.023258 | 46.023258 | 46.023258 | 46.023258 |
| Kepler-band [mag] | 15.471 | 15.471 | 15.471 | 15.471 | 15.471 | 15.471 | 15.471 |
| g'-band [mag] | 16.26 | 16.26 | 16.26 | 16.26 | 16.26 | 16.26 | 16.26 |
| r'-band [mag] | 15.398000000000001 | 15.398000000000001 | 15.398000000000001 | 15.398000000000001 | 15.398000000000001 | 15.398000000000001 | 15.398000000000001 |
| i'-band [mag] | 15.133000000000001 | 15.133000000000001 | 15.133000000000001 | 15.133000000000001 | 15.133000000000001 | 15.133000000000001 | 15.133000000000001 |
| z'-band [mag] | 14.977 | 14.977 | 14.977 | 14.977 | 14.977 | 14.977 | 14.977 |
| J-band [mag] | 13.916 | 13.916 | 13.916 | 13.916 | 13.916 | 13.916 | 13.916 |
| H-band [mag] | 13.448 | 13.448 | 13.448 | 13.448 | 13.448 | 13.448 | 13.448 |
| K-band [mag] | 13.372 | 13.372 | 13.372 | 13.372 | 13.372 | 13.372 | 13.372 |
| Disposition Score | --- | 1.0 | --- | --- | --- | --- | --- |
| Comment | --- | NO_COMMENT | --- | --- | --- | --- | --- |
| Eccentricity | --- | 0 | 0 | 0 | 0 | 0 | 0 |
| Impact Parameter | --- |
0.682 +0.019-0.519
|
0.1489 +0.2995-0.1488
|
0.1489 +0.2995-0.1488
|
0.1489 +0.2995-0.1488
|
0.54±0.26 | 0.54±0.51 |
| Transit Duration [hrs] | --- | 1.8888±0.0448 | 1.9085±0.0458 | 1.9085±0.0458 | 1.9085±0.0458 | 1.8525 | 1.8525 |
| Transit Depth [ppm] | --- | 705.4±18.1 | 794.3±17.8 | 794.3±17.8 | 794.3±17.8 | 672 | 677 |
| Planet-Star Radius Ratio | --- |
0.025814 +0.003739-0.001849
|
0.025163 +0.000918-0.000417
|
0.025163 +0.000918-0.000417
|
0.025163 +0.000918-0.000417
|
0.0241±0.0014 | 0.0241±0.0014 |
| Fitted Stellar Density [g/cm**3] | --- |
1.36794 +1.83624-0.18284
|
3.03443 +0.35971-0.86675
|
3.03443 +0.35971-0.86675
|
3.03443 +0.35971-0.86675
|
--- | --- |
| Planetary Fit Type | --- | LS+MCMC | MCMC | MCMC | MCMC | --- | --- |
| Planetary Radius [Earth radii] | --- |
2.74 +0.94-0.43
|
2.67 +1.94-0.39
|
2.67 +1.94-0.39
|
2.67 +1.94-0.39
|
2±2.2 | 2.37 |
| Orbit Semi-Major Axis [au] | --- | .0333 | .0333 | .0333 | .0333 | .032 | .033 |
| Inclination [deg] | --- | 84.74 | 89.38 | 89.38 | 89.38 | 86.52 | --- |
| Equilibrium Temperature [K] | --- | 1237 | 1237 | 1237 | 1237 | 1079 | 1153 |
| Insolation Flux [Earth flux] | --- |
553.53 +581.85-206.16
|
553.53 +1346.93-195.62
|
553.53 +1346.93-195.62
|
553.53 +1346.93-195.62
|
--- | --- |
| Planet-Star Distance over Star Radius | --- | 7.43±3.3 | 9.69±1.1 | 9.69±1.1 | 9.69±1.1 | 8.6±2.3 | 8.6±2.3 |
| Limb Darkening Model | --- | Claret (2011 A&A 529 75) ATLAS LS | Claret (2011 A&A 529 75) ATLAS LS | Claret (2011 A&A 529 75) ATLAS LS | Claret (2011 A&A 529 75) ATLAS LS | Claret (2011 A&A 529 75) ATLAS LS | Claret (2011 A&A 529 75) ATLAS LS |
| Limb Darkening Coeff. 4 | --- | 0.0 | 0.0 | 0.0 | 0.0 | -0.5463 | --- |
| Limb Darkening Coeff. 3 | --- | 0.0 | 0.0 | 0.0 | 0.0 | 1.2249 | --- |
| Limb Darkening Coeff. 2 | --- | 0.18280000000000002 | 0.1705 | 0.1705 | 0.1705 | -0.47900000000000004 | --- |
| Limb Darkening Coeff. 1 | --- | 0.5324 | 0.5548000000000001 | 0.5548000000000001 | 0.5548000000000001 | 0.5993 | --- |
| Maximum Single Event Statistic | --- | 5.6345043 | 9.401024 | --- | --- | --- | --- |
| Maximum Multiple Event Statistic | --- | 39.68937 | 42.574528 | --- | --- | --- | --- |
| Transit Signal-to-Noise | --- | 45.5 | 47.5 | 47.5 | 47.5 | 55.7 | 38.6 |
| Number of Transits | --- | 421 | 421 | --- | --- | --- | --- |
| TCE Planet Number | --- | 3 | 3 | 3 | 3 | --- | --- |
| Quarters | --- | 11111101110111011000000000000000 | 11111101110111011000000000000000 | --- | --- | --- | --- |
| Odd-Even Depth Comparision Statistic | --- | 0.7000000000000001 | --- | --- | --- | --- | --- |
| Transit Model | --- | Mandel and Agol (2002 ApJ 580 171) | Mandel and Agol (2002 ApJ 580 171) | Mandel and Agol (2002 ApJ 580 171) | Mandel and Agol (2002 ApJ 580 171) | Mandel and Agol (2002 ApJ 580 171) | Mandel and Agol (2002 ApJ 580 171) |
| Link to DV Summary | --- | kplr009480189-003-20160209194854_dvs.pdf | kplr009480189-003-20141002224145_dvs.pdf | kplr009480189-003-20130826182306_dvs.pdf | kplr009480189-003-20121115231752_dvs.pdf | --- | --- |
| Stellar Effective Temperature [K] | --- |
5188 +171-155
|
5188 +188-154
|
5188 +188-154
|
5188.00 +188.00-154.00
|
5058.00±103.00 | 4998 |
| Stellar Surface Gravity [log10(cm/s**2)] | --- |
4.4 +0.14-0.26
|
4.4 +0.131-0.432
|
4.4 +0.131-0.432
|
4.400 +0.131-0.432
|
4.560±0.300 | 4.46 |
| Stellar Metallicity [dex] | --- |
0.32 +0.15-0.25
|
0.320 +0.140-0.240
|
0.320 +0.140-0.240
|
0.320 +0.140-0.240
|
--- | --- |
| Stellar Radius [Solar radii] | --- |
0.973 +0.333-0.154
|
0.973 +0.706-0.142
|
0.973 +0.706-0.142
|
0.9730 +0.7060-0.1420
|
0.7500±0.8200 | .9 |
| Stellar Mass [Solar mass] | --- |
0.868 +0.073-0.06
|
0.868 +0.099-0.055
|
0.868 +0.099-0.055
|
0.8680 +0.0990-0.0550
|
0.7400±0.1400 | --- |
| Stellar Parameter Provenance | --- | q1_q17_dr25_stellar | stellar_q1_q16 | stellar_q1_q16 | stellar_q1_q16 | Pinsonneault | KIC |
| FW Offset Significance [percent] | --- | 0.876 | 0.35900000000000004 | 0.766 | 0.673 | 0.632 | --- |
| FW Source α(OOT) [hrs] | --- | 19.8210597±0.0000074 | 19.8210675±0.0000078 | 19.8210631±0.0000071 | 19.821065700±0.000008500 | 19.821060200±0.000009100 | --- |
| FW Source δ(OOT) [deg] | --- | 46.023242±0.000079 | 46.023258±0.000084 | 46.02323±0.000077 | 46.02323900±0.00009700 | 46.02321000±0.00010000 | --- |
| FW Source Δα(OOT) [sec] | --- | -0.24±0.28 | 0.06±0.29 | -0.11±0.27 | 0.01600±0.03100 | -0.00600±0.03300 | --- |
| FW Source Δδ(OOT) [arcsec] | --- | -0.06±0.29 | -0.01±0.3 | -0.11±0.28 | -0.00400±0.02300 | -0.01300±0.02500 | --- |
| FW Δα(OOT) [sec] | --- | 5e-05±0.0002 | -0.00016±0.0002 | -5e-05±0.0002 | -1.1e-05±2.2e-05 | 4e-06±1.1e-05 | --- |
| FW Δδ(OOT) [arcsec] | --- | 4e-05±0.0002 | -0±0.00021 | 7e-05±0.00021 | 3e-06±1.7e-05 | 9e-06±8.5e-06 | --- |
| PRF ΔαSQ(OOT) [arcsec] | --- | 0.16±0.1 | 0.127±0.092 | 0.07±0.11 | 0.1090±0.0720 | 0.1130±0.0540 | --- |
| PRF ΔδSQ(OOT) [arcsec] | --- | 0.093±0.099 | 0.07±0.12 | 0.05±0.12 | -0.0240±0.0850 | 0.0100±0.1100 | --- |
| PRF ΔθSQ(OOT) [arcsec] | --- | 0.18±0.1 | 0.15±0.1 | 0.08±0.11 | 0.1120±0.0730 | 0.1130±0.0540 | --- |
| PRF ΔαSQ(KIC) [arcsec] | --- | 0.103±0.086 | 0.068±0.084 | 0.05±0.12 | 0.0970±0.0980 | 0.0620±0.0760 | --- |
| PRF ΔδSQ(KIC) [arcsec] | --- | 0.1±0.15 | 0.11±0.12 | 0.1±0.12 | 0.0300±0.0750 | 0.0770±0.0980 | --- |
| PRF ΔθSQ(KIC) [arcsec] | --- | 0.15±0.12 | 0.13±0.12 | 0.11±0.13 | 0.1010±0.0960 | 0.0990±0.0900 | --- |
| Chi-Square | --- | --- | --- | --- | --- | 1.35 | 1.33 |
| Stellar Age [Gyr] | --- | --- | --- | --- | --- | 14±3.3 | --- |
| KepID | 9480189 | 9480189 | 9480189 | 9480189 | 9480189 | 9480189 | 9480189 |
|---|---|---|---|---|---|---|---|
| KOI Name | K00941.01 | K00941.01 | K00941.01 | K00941.01 | K00941.01 | K00941.01 | K00941.01 |
| Kepler Name | Kepler-257 c | Kepler-257 c | Kepler-257 c | Kepler-257 c | Kepler-257 c | Kepler-257 c | Kepler-257 c |
| Exoplanet Archive Disposition | CONFIRMED | CONFIRMED | CONFIRMED | CONFIRMED | CONFIRMED | CONFIRMED | CONFIRMED |
| Vetting Status | Done | Done | Done | Done | Done | Done | Done |
| Date of Last Parameter Update | 2018-08-16 | 2017-08-31 | 2015-09-24 | 2014-12-18 | 2014-12-04 | 2014-01-07 | 2013-02-12 |
| Disposition Using Kepler Data | CANDIDATE | CANDIDATE | CANDIDATE | NOT DISPOSITIONED | NOT DISPOSITIONED | CANDIDATE | CANDIDATE |
| Not Transit-Like False Positive Flag | 0 | 0 | 0 | 0 | 0 | --- | --- |
| Stellar Eclipse False Positive Flag | 0 | 0 | 0 | 0 | 0 | --- | --- |
| Centroid Offset False Positive Flag | 0 | 0 | 0 | 0 | 0 | --- | --- |
| Ephemeris Match Indicates Contamination False Positive Flag | 0 | 0 | 0 | 0 | 0 | --- | --- |
| Disposition Provenance | q1_q17_dr25_sup_koi | q1_q17_dr25_koi | q1_q17_dr24_koi | q1_q16_koi | q1_q12_koi | q1_q8_koi | q1_q6_kepler_candidates |
| Orbital Period [days] | 6.581477136±5.485e-06 | 6.581477136±5.485e-06 | 6.581478842±5.012e-06 | 6.581478842±5.012e-06 | 6.581478842±5.012e-06 | 6.581501±1.7e-05 | 6.581501±1.7e-05 |
| Transit Epoch [BKJD] | 174.787814±0.00063 | 174.787814±0.00063 | 174.787501±0.000581 | 174.787501±0.000581 | 174.787501±0.000581 | 174.78619±0.00076 | 174.78619±0.00076 |
| Transit Epoch [BJD] | 2455007.788±0.00063 | 2455007.788±0.00063 | 2455007.788±0.000581 | 2455007.788±0.000581 | 2455007.788±0.000581 | 2455007.78619±0.00076 | 2455007.78619±0.00076 |
| Parameters Provenance | q1_q17_dr25_sup_koi | q1_q17_dr25_koi | q1_q17_dr24_koi | q1_q16_koi | q1_q12_koi | q1_q8_koi | q1_q6_kepler_candidates |
| Number of Planets | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| TCE Delivery | q1_q17_dr25_tce | q1_q17_dr25_tce | q1_q17_dr24_tce | q1_q16_tce | q1_q12_tce | --- | --- |
| Link to DV Report | kplr009480189-20160209194854_dvr.pdf | kplr009480189-20160209194854_dvr.pdf | kplr009480189-20141002224145_dvr.pdf | kplr009480189-20130815195353_dvr.pdf | kplr009480189-20121029204534_dvr.pdf | --- | --- |
| RA [decimal degrees] | 297.31597999999997 | 297.31597999999997 | 297.31597999999997 | 297.31597999999997 | 297.31597999999997 | 297.31597999999997 | 297.31597999999997 |
| Dec [decimal degrees] | 46.023258 | 46.023258 | 46.023258 | 46.023258 | 46.023258 | 46.023258 | 46.023258 |
| Kepler-band [mag] | 15.471 | 15.471 | 15.471 | 15.471 | 15.471 | 15.471 | 15.471 |
| g'-band [mag] | 16.26 | 16.26 | 16.26 | 16.26 | 16.26 | 16.26 | 16.26 |
| r'-band [mag] | 15.398000000000001 | 15.398000000000001 | 15.398000000000001 | 15.398000000000001 | 15.398000000000001 | 15.398000000000001 | 15.398000000000001 |
| i'-band [mag] | 15.133000000000001 | 15.133000000000001 | 15.133000000000001 | 15.133000000000001 | 15.133000000000001 | 15.133000000000001 | 15.133000000000001 |
| z'-band [mag] | 14.977 | 14.977 | 14.977 | 14.977 | 14.977 | 14.977 | 14.977 |
| J-band [mag] | 13.916 | 13.916 | 13.916 | 13.916 | 13.916 | 13.916 | 13.916 |
| H-band [mag] | 13.448 | 13.448 | 13.448 | 13.448 | 13.448 | 13.448 | 13.448 |
| K-band [mag] | 13.372 | 13.372 | 13.372 | 13.372 | 13.372 | 13.372 | 13.372 |
| Disposition Score | --- | 1.0 | --- | --- | --- | --- | --- |
| Comment | --- | NO_COMMENT | --- | --- | --- | --- | --- |
| Eccentricity | --- | 0 | 0 | 0 | 0 | 0 | 0 |
| Impact Parameter | --- |
0.137 +0.314-0.137
|
0.2484 +0.1734-0.2482
|
0.2484 +0.1734-0.2482
|
0.2484 +0.1734-0.2482
|
0.03±0.36 | 0.03±0.6 |
| Transit Duration [hrs] | --- | 3.0896±0.0368 | 3.1294±0.0376 | 3.1294±0.0376 | 3.1294±0.0376 | 3.0976 | 3.0976 |
| Transit Depth [ppm] | --- | 2318.9±22.1 | 2513.1±21.6 | 2513.1±21.6 | 2513.1±21.6 | 2274 | 2261 |
| Planet-Star Radius Ratio | --- |
0.042884 +0.001317-0.000496
|
0.044931 +0.000851-0.000788
|
0.044931 +0.000851-0.000788
|
0.044931 +0.000851-0.000788
|
0.0421±0.0023 | 0.0421±0.0023 |
| Fitted Stellar Density [g/cm**3] | --- |
2.08376 +0.12350-0.56764
|
1.89825 +0.24691-0.39765
|
1.89825 +0.24691-0.39765
|
1.89825 +0.24691-0.39765
|
--- | --- |
| Planetary Fit Type | --- | LS+MCMC | MCMC | MCMC | MCMC | --- | --- |
| Planetary Radius [Earth radii] | --- |
4.56 +1.56-0.72
|
4.77 +3.47-0.69
|
4.77 +3.47-0.69
|
4.77 +3.47-0.69
|
3.4±3.8 | 4.14 |
| Orbit Semi-Major Axis [au] | --- | .0656 | .0656 | .0656 | .0656 | .062 | .065 |
| Inclination [deg] | --- | 89.53 | 89.38 | 89.38 | 89.38 | 89.95 | --- |
| Equilibrium Temperature [K] | --- | 881 | 881 | 881 | 881 | 775 | 821 |
| Insolation Flux [Earth flux] | --- |
142.63 +149.93-53.12
|
142.63 +347.08-50.40
|
142.63 +347.08-50.40
|
142.63 +347.08-50.40
|
--- | --- |
| Planet-Star Distance over Star Radius | --- | 16.835±0.998 | 16.32±2.1 | 16.32±2.1 | 16.32±2.1 | 16.9±4.4 | 16.9±4.4 |
| Limb Darkening Model | --- | Claret (2011 A&A 529 75) ATLAS LS | Claret (2011 A&A 529 75) ATLAS LS | Claret (2011 A&A 529 75) ATLAS LS | Claret (2011 A&A 529 75) ATLAS LS | Claret (2011 A&A 529 75) ATLAS LS | Claret (2011 A&A 529 75) ATLAS LS |
| Limb Darkening Coeff. 4 | --- | 0.0 | 0.0 | 0.0 | 0.0 | -0.5463 | --- |
| Limb Darkening Coeff. 3 | --- | 0.0 | 0.0 | 0.0 | 0.0 | 1.2249 | --- |
| Limb Darkening Coeff. 2 | --- | 0.18280000000000002 | 0.1705 | 0.1705 | 0.1705 | -0.47900000000000004 | --- |
| Limb Darkening Coeff. 1 | --- | 0.5324 | 0.5548000000000001 | 0.5548000000000001 | 0.5548000000000001 | 0.5993 | --- |
| Maximum Single Event Statistic | --- | 14.102539 | 19.831871 | --- | --- | --- | --- |
| Maximum Multiple Event Statistic | --- | 104.35038 | 106.44541 | --- | --- | --- | --- |
| Transit Signal-to-Noise | --- | 116.2 | 134.8 | 134.8 | 134.8 | 143.8 | 99.3 |
| Number of Transits | --- | 166 | 166 | --- | --- | --- | --- |
| TCE Planet Number | --- | 1 | 1 | 1 | 1 | --- | --- |
| Quarters | --- | 11111101110111011000000000000000 | 11111101110111011000000000000000 | --- | --- | --- | --- |
| Odd-Even Depth Comparision Statistic | --- | 0.42810000000000004 | --- | --- | --- | --- | --- |
| Transit Model | --- | Mandel and Agol (2002 ApJ 580 171) | Mandel and Agol (2002 ApJ 580 171) | Mandel and Agol (2002 ApJ 580 171) | Mandel and Agol (2002 ApJ 580 171) | Mandel and Agol (2002 ApJ 580 171) | Mandel and Agol (2002 ApJ 580 171) |
| Link to DV Summary | --- | kplr009480189-001-20160209194854_dvs.pdf | kplr009480189-001-20141002224145_dvs.pdf | kplr009480189-001-20130826182306_dvs.pdf | kplr009480189-001-20121115231752_dvs.pdf | --- | --- |
| Stellar Effective Temperature [K] | --- |
5188 +171-155
|
5188 +188-154
|
5188 +188-154
|
5188.00 +188.00-154.00
|
5058.00±103.00 | 4998 |
| Stellar Surface Gravity [log10(cm/s**2)] | --- |
4.4 +0.14-0.26
|
4.4 +0.131-0.432
|
4.4 +0.131-0.432
|
4.400 +0.131-0.432
|
4.560±0.300 | 4.46 |
| Stellar Metallicity [dex] | --- |
0.32 +0.15-0.25
|
0.320 +0.140-0.240
|
0.320 +0.140-0.240
|
0.320 +0.140-0.240
|
--- | --- |
| Stellar Radius [Solar radii] | --- |
0.973 +0.333-0.154
|
0.973 +0.706-0.142
|
0.973 +0.706-0.142
|
0.9730 +0.7060-0.1420
|
0.7500±0.8200 | .9 |
| Stellar Mass [Solar mass] | --- |
0.868 +0.073-0.06
|
0.868 +0.099-0.055
|
0.868 +0.099-0.055
|
0.8680 +0.0990-0.0550
|
0.7400±0.1400 | --- |
| Stellar Parameter Provenance | --- | q1_q17_dr25_stellar | stellar_q1_q16 | stellar_q1_q16 | stellar_q1_q16 | Pinsonneault | KIC |
| FW Offset Significance [percent] | --- | 0.529 | 0.541 | 0.129 | 0.006 | 0.001 | --- |
| FW Source α(OOT) [hrs] | --- | 19.8210626±0.0000029 | 19.8210627±0.0000029 | 19.8210642±0.0000027 | 19.821066000±0.000003200 | 19.821066900±0.000003300 | --- |
| FW Source δ(OOT) [deg] | --- | 46.023241±0.000031 | 46.023245±0.000031 | 46.023243±0.000029 | 46.02321700±0.00003600 | 46.02319900±0.00003800 | --- |
| FW Source Δα(OOT) [sec] | --- | -0.13±0.11 | -0.12±0.11 | -0.07±0.1 | 0.01700±0.01100 | 0.01800±0.01200 | --- |
| FW Source Δδ(OOT) [arcsec] | --- | -0.07±0.11 | -0.05±0.11 | -0.06±0.11 | -0.00950±0.00860 | -0.01480±0.00900 | --- |
| FW Δα(OOT) [sec] | --- | -8e-05±0.00028 | -0.00011±0.00029 | -0.00027±0.0003 | -4.2e-05±3.4e-05 | -4.4e-05±1.5e-05 | --- |
| FW Δδ(OOT) [arcsec] | --- | 0.00015±0.00031 | 0.00011±0.00032 | 0.00012±0.00034 | 2.3e-05±2.8e-05 | 3.6e-05±1.1e-05 | --- |
| PRF ΔαSQ(OOT) [arcsec] | --- | 0.095±0.096 | 0.097±0.095 | 0.105±0.092 | 0.0960±0.0730 | 0.1140±0.0810 | --- |
| PRF ΔδSQ(OOT) [arcsec] | --- | 0.006±0.09 | 0.009±0.093 | 0.02±0.11 | 0.0160±0.0760 | 0.0130±0.0910 | --- |
| PRF ΔθSQ(OOT) [arcsec] | --- | 0.095±0.097 | 0.098±0.095 | 0.107±0.098 | 0.0970±0.0730 | 0.1140±0.0810 | --- |
| PRF ΔαSQ(KIC) [arcsec] | --- | 0.089±0.085 | 0.091±0.084 | 0.103±0.083 | 0.0970±0.0490 | 0.1050±0.0530 | --- |
| PRF ΔδSQ(KIC) [arcsec] | --- | 0.065±0.089 | 0.072±0.091 | 0.09±0.1 | 0.1020±0.0650 | 0.1350±0.0660 | --- |
| PRF ΔθSQ(KIC) [arcsec] | --- | 0.11±0.095 | 0.117±0.095 | 0.14±0.11 | 0.1410±0.0580 | 0.1720±0.0620 | --- |
| Chi-Square | --- | --- | --- | --- | --- | 1.28 | 1.28 |
| Stellar Age [Gyr] | --- | --- | --- | --- | --- | 14±3.3 | --- |
| KepID | 9480189 | 9480189 | 9480189 | 9480189 | 9480189 | 9480189 | 9480189 |
|---|---|---|---|---|---|---|---|
| KOI Name | K00941.03 | K00941.03 | K00941.03 | K00941.03 | K00941.03 | K00941.03 | K00941.03 |
| Kepler Name | Kepler-257 d | Kepler-257 d | Kepler-257 d | Kepler-257 d | Kepler-257 d | Kepler-257 d | Kepler-257 d |
| Exoplanet Archive Disposition | CONFIRMED | CONFIRMED | CONFIRMED | CONFIRMED | CONFIRMED | CONFIRMED | CONFIRMED |
| Vetting Status | Done | Done | Done | Done | Done | Done | Done |
| Date of Last Parameter Update | 2018-08-16 | 2017-08-31 | 2015-09-24 | 2014-12-18 | 2014-12-04 | 2014-01-07 | 2013-02-12 |
| Disposition Using Kepler Data | CANDIDATE | CANDIDATE | CANDIDATE | NOT DISPOSITIONED | NOT DISPOSITIONED | CANDIDATE | CANDIDATE |
| Not Transit-Like False Positive Flag | 0 | 0 | 0 | 0 | 0 | --- | --- |
| Stellar Eclipse False Positive Flag | 0 | 0 | 0 | 0 | 0 | --- | --- |
| Centroid Offset False Positive Flag | 0 | 0 | 0 | 0 | 0 | --- | --- |
| Ephemeris Match Indicates Contamination False Positive Flag | 0 | 0 | 0 | 0 | 0 | --- | --- |
| Disposition Provenance | q1_q17_dr25_sup_koi | q1_q17_dr25_koi | q1_q17_dr24_koi | q1_q16_koi | q1_q12_koi | q1_q8_koi | q1_q6_kepler_candidates |
| Orbital Period [days] | 24.66461416±4.062e-05 | 24.66461416±4.062e-05 | 24.66459711±3.967e-05 | 24.66459711±3.967e-05 | 24.66459711±3.967e-05 | 24.66454±0.00011 | 24.66454±0.00011 |
| Transit Epoch [BKJD] | 189.02031±0.00112 | 189.02031±0.00112 | 189.01951±0.00111 | 189.01951±0.00111 | 189.01951±0.00111 | 189.0203±0.0013 | 189.0203±0.0013 |
| Transit Epoch [BJD] | 2455022.02±0.00112 | 2455022.02±0.00112 | 2455022.02±0.00111 | 2455022.02±0.00111 | 2455022.02±0.00111 | 2455022.0203±0.0013 | 2455022.0203±0.0013 |
| Parameters Provenance | q1_q17_dr25_sup_koi | q1_q17_dr25_koi | q1_q17_dr24_koi | q1_q16_koi | q1_q12_koi | q1_q8_koi | q1_q6_kepler_candidates |
| Number of Planets | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| TCE Delivery | q1_q17_dr25_tce | q1_q17_dr25_tce | q1_q17_dr24_tce | q1_q16_tce | q1_q12_tce | --- | --- |
| Link to DV Report | kplr009480189-20160209194854_dvr.pdf | kplr009480189-20160209194854_dvr.pdf | kplr009480189-20141002224145_dvr.pdf | kplr009480189-20130815195353_dvr.pdf | kplr009480189-20121029204534_dvr.pdf | --- | --- |
| RA [decimal degrees] | 297.31597999999997 | 297.31597999999997 | 297.31597999999997 | 297.31597999999997 | 297.31597999999997 | 297.31597999999997 | 297.31597999999997 |
| Dec [decimal degrees] | 46.023258 | 46.023258 | 46.023258 | 46.023258 | 46.023258 | 46.023258 | 46.023258 |
| Kepler-band [mag] | 15.471 | 15.471 | 15.471 | 15.471 | 15.471 | 15.471 | 15.471 |
| g'-band [mag] | 16.26 | 16.26 | 16.26 | 16.26 | 16.26 | 16.26 | 16.26 |
| r'-band [mag] | 15.398000000000001 | 15.398000000000001 | 15.398000000000001 | 15.398000000000001 | 15.398000000000001 | 15.398000000000001 | 15.398000000000001 |
| i'-band [mag] | 15.133000000000001 | 15.133000000000001 | 15.133000000000001 | 15.133000000000001 | 15.133000000000001 | 15.133000000000001 | 15.133000000000001 |
| z'-band [mag] | 14.977 | 14.977 | 14.977 | 14.977 | 14.977 | 14.977 | 14.977 |
| J-band [mag] | 13.916 | 13.916 | 13.916 | 13.916 | 13.916 | 13.916 | 13.916 |
| H-band [mag] | 13.448 | 13.448 | 13.448 | 13.448 | 13.448 | 13.448 | 13.448 |
| K-band [mag] | 13.372 | 13.372 | 13.372 | 13.372 | 13.372 | 13.372 | 13.372 |
| Disposition Score | --- | 1.0 | --- | --- | --- | --- | --- |
| Comment | --- | NO_COMMENT | --- | --- | --- | --- | --- |
| Eccentricity | --- | 0 | 0 | 0 | 0 | 0 | 0 |
| Impact Parameter | --- |
0.8 +0.061-0.567
|
0.8222 +0.0588-0.5259
|
0.8222 +0.0588-0.5259
|
0.8222 +0.0588-0.5259
|
0.84±0.11 | 0.84±0.33 |
| Transit Duration [hrs] | --- | 2.8579±0.0617 | 2.97±0.108 | 2.97±0.108 | 2.97±0.108 | 2.9456 | 2.9456 |
| Transit Depth [ppm] | --- | 2398.8±46.8 | 2624.9±46.1 | 2624.9±46.1 | 2624.9±46.1 | 2417 | 2430 |
| Planet-Star Radius Ratio | --- |
0.050261 +0.00235-0.005664
|
0.053368 +6.4e-05-0.007184
|
0.053368 +6.4e-05-0.007184
|
0.053368 +6.4e-05-0.007184
|
0.0519±0.0029 | 0.0519±0.0029 |
| Fitted Stellar Density [g/cm**3] | --- |
2.81619 +7.47674-0.21484
|
2.26936 +7.43563-0.99973
|
2.26936 +7.43563-0.99973
|
2.26936 +7.43563-0.99973
|
--- | --- |
| Planetary Fit Type | --- | LS+MCMC | MCMC | MCMC | MCMC | --- | --- |
| Planetary Radius [Earth radii] | --- |
5.34 +1.83-0.84
|
5.67 +4.11-0.83
|
5.67 +4.11-0.83
|
5.67 +4.11-0.83
|
4.2±4.7 | 5.1 |
| Orbit Semi-Major Axis [au] | --- | .1582 | .1582 | .1582 | .1582 | .15 | .157 |
| Inclination [deg] | --- | 88.98 | 88.81 | 88.81 | 88.81 | 88.81 | --- |
| Equilibrium Temperature [K] | --- | 567 | 568 | 568 | 568 | 498 | 528 |
| Insolation Flux [Earth flux] | --- |
24.53 +25.78-9.14
|
24.53 +59.67-8.67
|
24.53 +59.67-8.67
|
24.53 +59.67-8.67
|
--- | --- |
| Planet-Star Distance over Star Radius | --- | 44.9±19.9 | 41.8±19.6 | 41.8±19.6 | 41.8±19.6 | 41±11 | 41±11 |
| Limb Darkening Model | --- | Claret (2011 A&A 529 75) ATLAS LS | Claret (2011 A&A 529 75) ATLAS LS | Claret (2011 A&A 529 75) ATLAS LS | Claret (2011 A&A 529 75) ATLAS LS | Claret (2011 A&A 529 75) ATLAS LS | Claret (2011 A&A 529 75) ATLAS LS |
| Limb Darkening Coeff. 4 | --- | 0.0 | 0.0 | 0.0 | 0.0 | -0.5463 | --- |
| Limb Darkening Coeff. 3 | --- | 0.0 | 0.0 | 0.0 | 0.0 | 1.2249 | --- |
| Limb Darkening Coeff. 2 | --- | 0.18280000000000002 | 0.1705 | 0.1705 | 0.1705 | -0.47900000000000004 | --- |
| Limb Darkening Coeff. 1 | --- | 0.5324 | 0.5548000000000001 | 0.5548000000000001 | 0.5548000000000001 | 0.5993 | --- |
| Maximum Single Event Statistic | --- | 11.618547999999999 | 12.596889 | --- | --- | --- | --- |
| Maximum Multiple Event Statistic | --- | 51.427 | 55.24572 | --- | --- | --- | --- |
| Transit Signal-to-Noise | --- | 56.7 | 91.2 | 91.2 | 91.2 | 84.60000000000001 | 59.6 |
| Number of Transits | --- | 43 | 43 | --- | --- | --- | --- |
| TCE Planet Number | --- | 2 | 2 | 2 | 2 | --- | --- |
| Quarters | --- | 11111101110111011000000000000000 | 11111101110111011000000000000000 | --- | --- | --- | --- |
| Odd-Even Depth Comparision Statistic | --- | 0.5678000000000001 | --- | --- | --- | --- | --- |
| Transit Model | --- | Mandel and Agol (2002 ApJ 580 171) | Mandel and Agol (2002 ApJ 580 171) | Mandel and Agol (2002 ApJ 580 171) | Mandel and Agol (2002 ApJ 580 171) | Mandel and Agol (2002 ApJ 580 171) | Mandel and Agol (2002 ApJ 580 171) |
| Link to DV Summary | --- | kplr009480189-002-20160209194854_dvs.pdf | kplr009480189-002-20141002224145_dvs.pdf | kplr009480189-002-20130826182306_dvs.pdf | kplr009480189-002-20121115231752_dvs.pdf | --- | --- |
| Stellar Effective Temperature [K] | --- |
5188 +171-155
|
5188 +188-154
|
5188 +188-154
|
5188.00 +188.00-154.00
|
5058.00±103.00 | 4998 |
| Stellar Surface Gravity [log10(cm/s**2)] | --- |
4.4 +0.14-0.26
|
4.4 +0.131-0.432
|
4.4 +0.131-0.432
|
4.400 +0.131-0.432
|
4.560±0.300 | 4.46 |
| Stellar Metallicity [dex] | --- |
0.32 +0.15-0.25
|
0.320 +0.140-0.240
|
0.320 +0.140-0.240
|
0.320 +0.140-0.240
|
--- | --- |
| Stellar Radius [Solar radii] | --- |
0.973 +0.333-0.154
|
0.973 +0.706-0.142
|
0.973 +0.706-0.142
|
0.9730 +0.7060-0.1420
|
0.7500±0.8200 | .9 |
| Stellar Mass [Solar mass] | --- |
0.868 +0.073-0.06
|
0.868 +0.099-0.055
|
0.868 +0.099-0.055
|
0.8680 +0.0990-0.0550
|
0.7400±0.1400 | --- |
| Stellar Parameter Provenance | --- | q1_q17_dr25_stellar | stellar_q1_q16 | stellar_q1_q16 | stellar_q1_q16 | Pinsonneault | KIC |
| FW Offset Significance [percent] | --- | 0.645 | 0.134 | 0.161 | 0.054 | 0.039 | --- |
| FW Source α(OOT) [hrs] | --- | 19.8210586±0.0000061 | 19.8210591±0.0000059 | 19.8210591±0.0000055 | 19.821053900±0.000006300 | 19.821053600±0.000006600 | --- |
| FW Source δ(OOT) [deg] | --- | 46.023281±0.000064 | 46.023321±0.000063 | 46.023317±0.00006 | 46.02330400±0.00007200 | 46.02330900±0.00007400 | --- |
| FW Source Δα(OOT) [sec] | --- | -0.28±0.23 | -0.26±0.22 | -0.26±0.21 | -0.02700±0.02300 | -0.02900±0.02400 | --- |
| FW Source Δδ(OOT) [arcsec] | --- | 0.08±0.23 | 0.22±0.23 | 0.2±0.21 | 0.01100±0.01700 | 0.01200±0.01800 | --- |
| FW Δα(OOT) [sec] | --- | 0.00027±0.0006 | 0.00022±0.00061 | 0.00022±0.00063 | 7e-05±7.2e-05 | 7.7e-05±3.1e-05 | --- |
| FW Δδ(OOT) [arcsec] | --- | -0.00018±0.00066 | -0.00056±0.00067 | -0.00057±0.00073 | -3e-05±6e-05 | -3.1e-05±2.3e-05 | --- |
| PRF ΔαSQ(OOT) [arcsec] | --- | 0.07±0.1 | 0.02±0.1 | 0.04±0.1 | -0.0000±0.0900 | -0.0300±0.1100 | --- |
| PRF ΔδSQ(OOT) [arcsec] | --- | -0±0.13 | 0.03±0.21 | -0.05±0.11 | 0.0220±0.0780 | 0.0120±0.0930 | --- |
| PRF ΔθSQ(OOT) [arcsec] | --- | 0.07±0.1 | 0.03±0.21 | 0.06±0.11 | 0.0220±0.0780 | 0.0300±0.1100 | --- |
| PRF ΔαSQ(KIC) [arcsec] | --- | 0.07±0.12 | 0.01±0.11 | 0.04±0.11 | 0.0000±0.1200 | -0.1000±0.1300 | --- |
| PRF ΔδSQ(KIC) [arcsec] | --- | 0.06±0.18 | 0.09±0.19 | 0.01±0.12 | 0.1050±0.0600 | 0.0890±0.0890 | --- |
| PRF ΔθSQ(KIC) [arcsec] | --- | 0.09±0.18 | 0.09±0.19 | 0.04±0.13 | 0.1050±0.0600 | 0.1300±0.1200 | --- |
| Chi-Square | --- | --- | --- | --- | --- | 1.06 | 1.16 |
| Stellar Age [Gyr] | --- | --- | --- | --- | --- | 14±3.3 | --- |
- Known Objects
- 3 Confirmed Planets
- 3 Kepler Objects of Interest (KOIs)
- 3 Threshold Crossing Events (TCEs)
- 5 2MASS Point Source Catalog
- Data Files
- 1 Kepler Time Series
- 3 Associated Literature Data
-
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Transit timing variations and linear ephemerides of confirmed Kepler transiting exoplanets
Gajdoš et al. 2019 | Reference Overview -
Kepler KOI delivery, Q1-Q17 DR25 supplement
Q1-Q17 DR25 Supplemental KOI Table -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
Kepler KOI delivery, Q1-Q17 DR25
Q1-Q17 DR25 KOI Table -
Transit Timing Observations from Kepler. IX. Catalog of the Full Long-cadence Data Set
Holczer et al. 2016 | Reference Overview -
False Positive Probabilities for all Kepler Objects of Interest: 1284 Newly Validated Planets and 428 Likely False Positives
Morton et al. 2016 | Reference Overview -
Kepler KOI delivery, Q1-Q17 DR24
Q1-Q17 DR24 KOI Table -
Kepler KOI delivery, Q1-Q16
Q1-Q16 KOI Table -
Kepler KOI delivery, Q1-Q12
Q1-Q12 KOI Table -
Validation of Kepler's Multiple Planet Candidates. III. Light Curve Analysis and Announcement of Hundreds of New Multi-planet Systems
Rowe et al. 2014 | Reference Overview -
Kepler KOI delivery, Q1-Q8
Q1-Q8 KOI Table -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
Kepler KOI delivery, Q1-Q6
Q1-Q6 KOI Table -
Planetary Candidates Observed by Kepler, III: Analysis of the First 16 Months of Data
Batalha et al. 2013 | Reference Overview -
The Kepler Input Catalog
Latham et al. 2005 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview
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- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
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- Time Series
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