Kepler-261 Overview
Kepler-261
  0.78
R⦿
 5095.00
K
Kepler-261 b
 0.194
RJup
Kepler-261 c
 0.178
RJup
- Architecture
- Kepler-261
- Kepler-261
- Other Data
- Bibliography 19
- Exoplanet Archive Notes 2
- Nearby Data 7
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition | 
|---|---|---|---|---|---|
| Kepler-261 | Kepler-261 b | Transit | 2014 | Rowe et al. 2014 | Confirmed Planet | 
| Kepler-261 | Kepler-261 c | Transit | 2014 | Rowe et al. 2014 | Confirmed Planet | 
Kepler-261 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)
- RA
- 19h25m27.54s
- Dec
- +37d36m33.26s
- Distance
- 
317.499+1.756-1.737pc
- Parallax
- 3.1207800±0.0171975 mas
- Ecliptic Latitude
- 58.5807 deg
- Ecliptic Longitude
- 303.61155 deg
- Galactic Latitude
- 10.02041 deg
- Galactic Longitude
- 70.2185 deg
- Total Proper Motion
- 15.3709068±0.0292840 mas/yr
- Proper Motion (RA)
- -4.1984700±0.0267202 mas/yr
- Proper Motion (Dec)
- 14.786400±0.029481 mas/yr
- Photometry
- 
mV13.738±0.103
- 
mTESS12.9452±0.0061
- 
mJ12.127±0.020
- 
mH11.672±0.020
- 
mKs11.585±0.021
- 
mKep13.562
- 
mW111.537±0.022
- 
mW211.610±0.021
- 
mW311.677±0.178
- 
mW48.721
- 
mGaia13.528700±0.000336
- 
mB15.053±0.065
- 
mg14.2516000±0.0031631
- 
mi15.7464000±0.0135906
- 
mr12.1978000±0.0022747
- 
mu16.1260000±0.0061588
- 
mz13.1533000±0.0036238
- 
Abundances
 (Hypatia Catalog)
- 
[Fe/H] 0.09±0.04 dex
- 
[C/H] 0.05±0.09 dex
- 
[O/H] 0.06±0.09 dex
- 
[Na/H] -0.11±0.04 dex
- 
[Mg/H] -0.01±0.07 dex
- 
[Al/H] -0.07±0.06 dex
- 
[Si/H] 0.03±0.05 dex
- 
[Ca/H] 0.13±0.06 dex
- 
[Y/H] 0.00±0.08 dex
| Source | TICv8 | Berger et al. 2018 | Gaia DR2 | Morton et al. 2016 | Rowe et al. 2014 | Batalha et al. 2013 | Latham et al. 2005 | Fulton & Petigura 2018 | Q1-Q17 DR25 Supplemental KOI Table | Q1-Q17 DR25 Supplemental KOI Table | Q1-Q17 DR25 KOI Table | Q1-Q17 DR25 KOI Table | Q1-Q17 DR24 KOI Table | Q1-Q17 DR24 KOI Table | Q1-Q16 KOI Table | Q1-Q16 KOI Table | Q1-Q12 KOI Table | Q1-Q12 KOI Table | Q1-Q8 KOI Table | Q1-Q8 KOI Table | Q1-Q6 KOI Table | Q1-Q6 KOI Table | Show Candidate Solutions >> | << Hide Candidate Solutions | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 
Teff
 
(K)
 | 5122.500+169.202-151.496 | 5121±102 | 4929.250+50.250-63.325 | 5144.000+90.136-75.233 | 5098±100 | 5218 | 5052 | 5121±60 | --- | --- | 5095±101 | 5095±101 | 5203±102 | 5203±102 | 5203±102 | 5203±102 | 5203.00±102.00 | 5203.00±102.00 | 5218.00±58.00 | 5218.00±58.00 | 5218 | 5218 | ||
| 
Metallicity
 
(dex)
 | 0.1621080±0.0125304 [M/H] | --- | --- | 0.0400+0.1030-0.1040[Fe/H] | --- | --- | 0.140 [Fe/H] | 0.11±0.04 [Fe/H] | --- | --- | 0.02±0.15 [Fe/H] | 0.02±0.15 [Fe/H] | 0.000 +0.180-0.140 [Fe/H] | 0.000 +0.180-0.140 [Fe/H] | 0.000 +0.180-0.140 [Fe/H] | 0.000 +0.180-0.140 [Fe/H] | 0.000 +0.180-0.140 [Fe/H] | 0.000 +0.180-0.140 [Fe/H] | --- | --- | --- | --- | ||
| 
ρ✶
 
(g/cm3)
 | 3.0207361+0.8595344-0.9207956 | --- | --- | --- | --- | --- | --- | 1.91+0.04-0.05 | --- | --- | 4.05514 +0.75488-1.22522  | 0.32657 +6.93801-0.07636  | 9.00029 +2.10277-2.02109  | 4.50712 +0.20644-1.13079  | 4.50712 +0.20644-1.13079  | 9.00029 +2.10277-2.02109  | 4.50712 +0.20644-1.13079  | 9.00029 +2.10277-2.02109  | --- | --- | --- | --- | ||
| 
M✶
 
(M⦿)
 | 0.8620000+0.1309430-0.0982462 | --- | --- | 0.850+0.032-0.034 | --- | 0.87 | --- | 0.834±0.010 | --- | --- | 0.816 +0.047-0.041  | 0.816 +0.047-0.041  | 0.865 +0.04-0.058  | 0.865 +0.04-0.058  | 0.865 +0.04-0.058  | 0.865 +0.04-0.058  | 0.8650 +0.0400-0.0580  | 0.8650 +0.0400-0.0580  | 0.8760±0.0300 | 0.8760±0.0300 | --- | --- | ||
| 
R✶
 
(R⦿)
 | 0.738221+0.053193-0.064194 | 0.750+0.032-0.030 | 0.7907278+0.0207150-0.0158785 | 0.800±0.021 | 0.794±0.050 | 0.80 | 1.751 | 0.749+0.020-0.019 | --- | --- | 0.78 +0.055-0.035  | 0.78 +0.055-0.035  | 0.774 +0.07-0.026  | 0.774 +0.07-0.026  | 0.774 +0.07-0.026  | 0.774 +0.07-0.026  | 0.7740 +0.0700-0.0260  | 0.7740 +0.0700-0.0260  | 0.7990±0.0330 | 0.7990±0.0330 | .8 | .8 | ||
| 
log g
 
(log10(cm/s2))
 | 4.6372000+0.0995958-0.1128420 | --- | --- | 4.570+0.017-0.023 | 4.561±0.150 | 4.58 | 4.01 | --- | --- | --- | 4.566 +0.032-0.052  | 4.566 +0.032-0.052  | 4.595 +0.011-0.072  | 4.595 +0.011-0.072  | 4.595 +0.011-0.072  | 4.595 +0.011-0.072  | 4.595 +0.011-0.072  | 4.595 +0.011-0.072  | 4.580±0.100 | 4.580±0.100 | 4.58 | 4.58 | ||
| 
Age
 
(Gyr)
 | --- | --- | --- | 3.98+3.10-2.09 | --- | --- | --- | 0.870+1.640-0.600 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 2.4±2.6 | 2.4±2.6 | --- | --- | ||
| 
L✶
 
(log10(L⦿))
 | -0.4710042+0.0257514-0.0184226 | --- | -0.47812790+0.00678002-0.00688752 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Rowe et al. 2014 | GajdoĊĦ et al. 2019 | Berger et al. 2018 | Holczer et al. 2016 | Morton et al. 2016 | Fulton & Petigura 2018 | 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)
 | 10.381227±0.000016 | 10.3812323295±0.0000220151 | --- | 10.38121981±0.00000118 | 10.38123451±1.117e-05 | 10.381234510±0.000011170 | 10.38122447±2.131e-05 | 10.38122447±2.131e-05 | 10.38123451±1.117e-05 | 10.38123451±1.117e-05 | 10.38123451±1.117e-05 | 10.381209±4e-05 | ||
| 
TC
 
(days)
 | 2455101.02361±0.00075 | 2455101.02418000±0.00158070 | --- | 2454966.069482±0.001040 | 2455101.024093±0.000768 | --- | 2455101.024±0.00149 | 2455101.024±0.00149 | 2455101.024±0.000768 | 2455101.024±0.000768 | 2455101.024±0.000768 | 2455101.0236±0.001 | ||
| 
b
 | 0.16±0.19 | --- | --- | --- | --- | --- | --- | 0.319 +0.117-0.319  | 0.1409 +0.2663-0.1409  | 0.1409 +0.2663-0.1409  | 0.1409 +0.2663-0.1409  | 0.0245±0.1 | ||
| 
Rp
 
(R⨁)
 | 2.18±0.14 | --- | 2.094+0.100-0.108 | --- | 2.26+0.08-0.07 | 2.161±0.068 | --- | 2.18 +0.15-0.1  | 2.23 +0.2-0.07  | 2.23 +0.2-0.07  | 2.23 +0.2-0.07  | 2.21±0.1 | ||
| 
Rp
 
(RJup)
 | 0.194±0.012 | --- | 0.1868+0.0089-0.0096 | --- | 0.202+0.007-0.006 | 0.1928±0.0061 | --- | 0.194+0.013-0.009 | 0.199+0.018-0.006 | 0.199+0.018-0.006 | 0.199+0.018-0.006 | 0.197+0.009-0.009 | ||
| 
a
 
(au)
 | 0.088 | --- | --- | --- | --- | 0.08772±0.00036 | --- | .0871 | .0886 | .0886 | .0886 | .089 | ||
| 
T14
 
(hours)
 | 2.759±0.028 | --- | --- | 3.0794 | 2.7336±0.0288 | --- | --- | 2.715±0.0552 | 2.7336±0.0288 | 2.7336±0.0288 | 2.7336±0.0288 | 2.8096 | ||
| 
Rp/R✶
 | --- | --- | --- | --- | 0.026397 +0.000633-0.000336  | 0.026397+0.000633-0.000336 | --- | 0.025572 +0.000552-0.000833  | 0.026397 +0.000633-0.000336  | 0.026397 +0.000633-0.000336  | 0.026397 +0.000633-0.000336  | 0.02528±0.0003 | ||
| 
a/R✶
 | --- | --- | --- | --- | --- | --- | --- | 28.48±5.3 | 29.5±1.4 | 29.5±1.4 | 29.5±1.4 | 28.9±1.3 | ||
| 
Teq
 
(K)
 | --- | --- | --- | --- | --- | --- | --- | 672 | 678 | 678 | 678 | 690 | ||
| 
S
 
(S⨁)
 | --- | --- | 45.779+1.033-1.012 | --- | --- | 45.1±3.2 | --- | 48.37 +11.58-7.64  | 50.05 +14.27-6.76  | 50.05 +14.27-6.76  | 50.05 +14.27-6.76  | --- | ||
| 
e
 | --- | --- | --- | --- | --- | --- | --- | 0 | 0 | 0 | 0 | 0 | ||
| 
i
 
(deg)
 | --- | --- | --- | --- | --- | --- | --- | 89.36 | 89.95 | 89.95 | 89.95 | 89.95 | ||
| 
δ
 
(%)
 | --- | --- | --- | 0.0877 | --- | --- | --- | 0.08015±0.00215 | 0.08697±0.00118 | 0.08697±0.00118 | 0.08697±0.00118 | 0.08020 | 
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Rowe et al. 2014 | GajdoĊĦ et al. 2019 | Berger et al. 2018 | Holczer et al. 2016 | Morton et al. 2016 | Fulton & Petigura 2018 | 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)
 | 24.570858±0.000069 | 24.5704178690±0.0008373550 | --- | 24.57079771±0.00000216 | 24.57081569±4.692e-05 | 24.570815690±0.000046920 | 24.5709023±0.0001009 | 24.5709023±0.0001009 | 24.57081569±4.692e-05 | 24.57081569±4.692e-05 | 24.57081569±4.692e-05 | 24.57078±0.00017 | ||
| 
TC
 
(days)
 | 2454968.87408±0.00159 | 2454968.88183000±0.03147667 | --- | 2454968.875220±0.001835 | 2454968.87558±0.00149 | --- | 2454968.872±0.0033 | 2454968.872±0.0033 | 2454968.876±0.00149 | 2454968.876±0.00149 | 2454968.876±0.00149 | 2454968.8743±0.0027 | ||
| 
a/R✶
 | --- | --- | --- | --- | --- | --- | --- | 21.8±10.8 | 66±15.4 | 66±15.4 | 66±15.4 | 51.4±2.4 | ||
| 
Teq
 
(K)
 | --- | --- | --- | --- | --- | --- | --- | 505 | 509 | 509 | 509 | 518 | ||
| 
b
 | 0.19±0.21 | --- | --- | --- | --- | --- | --- | 0.945 +0.009-0.674  | 0.333 +0.1184-0.333  | 0.333 +0.1184-0.333  | 0.333 +0.1184-0.333  | 0.68±0.1 | ||
| 
e
 | --- | --- | --- | --- | --- | --- | --- | 0 | 0 | 0 | 0 | 0 | ||
| 
i
 
(deg)
 | --- | --- | --- | --- | --- | --- | --- | 87.52 | 89.95 | 89.95 | 89.95 | 89.38 | ||
| 
Rp
 
(R⨁)
 | 2.00±0.14 | --- | 2.712+0.115-0.619 | --- | 2.17+0.08-0.09 | 2.038±0.074 | --- | 2.82 +0.2-0.12  | 2.1 +0.19-0.07  | 2.1 +0.19-0.07  | 2.1 +0.19-0.07  | 2.17±0.1 | ||
| 
Rp
 
(RJup)
 | 0.178±0.012 | --- | 0.2419+0.0103-0.0552 | --- | 0.194+0.007-0.008 | 0.1818±0.0066 | --- | 0.252+0.018-0.011 | 0.187+0.017-0.006 | 0.187+0.017-0.006 | 0.187+0.017-0.006 | 0.194+0.009-0.009 | ||
| 
Rp/R✶
 | --- | --- | --- | --- | 0.024892 +0.000583-0.000737  | 0.024892+0.000583-0.000737 | --- | 0.033128 +1.5e-05-0.007448  | 0.024892 +0.000583-0.000737  | 0.024892 +0.000583-0.000737  | 0.024892 +0.000583-0.000737  | 0.02488±0.00059 | ||
| 
a
 
(au)
 | 0.156 | --- | --- | --- | --- | 0.15577±0.00064 | --- | .1547 | .1574 | .1574 | .1574 | .158 | ||
| 
δ
 
(%)
 | --- | --- | --- | 0.0775 | --- | --- | --- | 0.07642±0.00317 | 0.07537±0.00181 | 0.07537±0.00181 | 0.07537±0.00181 | 0.06550 | ||
| 
T14
 
(hours)
 | 2.761±0.052 | --- | --- | 3.0533 | 2.7576±0.0509 | --- | --- | 3.587±0.181 | 2.7576±0.0509 | 2.7576±0.0509 | 2.7576±0.0509 | 2.8017 | ||
| 
S
 
(S⨁)
 | --- | --- | 14.512+0.327-0.321 | --- | --- | 14.3±1.0 | --- | 15.33 +3.68-2.42  | 15.86 +4.52-2.14  | 15.86 +4.52-2.14  | 15.86 +4.52-2.14  | --- | 
Kepler Detection Products
(4 File Types, 19 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_q16_tce | q1_q16_tce | q1_q17_dr24_tce | q1_q17_dr24_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 Object of Interest
| KepID | 2302548 | 2302548 | 2302548 | 2302548 | 2302548 | 2302548 | 2302548 | 
|---|---|---|---|---|---|---|---|
| KOI Name | K00988.01 | K00988.01 | K00988.01 | K00988.01 | K00988.01 | K00988.01 | K00988.01 | 
| Kepler Name | Kepler-261 b | Kepler-261 b | Kepler-261 b | Kepler-261 b | Kepler-261 b | Kepler-261 b | Kepler-261 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] | 10.38122447±2.131e-05 | 10.38122447±2.131e-05 | 10.38123451±1.117e-05 | 10.38123451±1.117e-05 | 10.38123451±1.117e-05 | 10.381209±4e-05 | 10.381209±4e-05 | 
| Transit Epoch [BKJD] | 268.02421±0.00149 | 268.02421±0.00149 | 268.024093±0.000768 | 268.024093±0.000768 | 268.024093±0.000768 | 268.0236±0.001 | 268.0236±0.001 | 
| Transit Epoch [BJD] | 2455101.024±0.00149 | 2455101.024±0.00149 | 2455101.024±0.000768 | 2455101.024±0.000768 | 2455101.024±0.000768 | 2455101.0236±0.001 | 2455101.0236±0.001 | 
| 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 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 
| TCE Delivery | q1_q17_dr25_tce | q1_q17_dr25_tce | q1_q17_dr24_tce | q1_q16_tce | q1_q12_tce | --- | --- | 
| Link to DV Report | kplr002302548-20160209194854_dvr.pdf | kplr002302548-20160209194854_dvr.pdf | kplr002302548-20141002224145_dvr.pdf | kplr002302548-20130815195353_dvr.pdf | kplr002302548-20121029204534_dvr.pdf | --- | --- | 
| RA [decimal degrees] | 291.36478 | 291.36478 | 291.36478 | 291.36478 | 291.36478 | 291.36478 | 291.36478 | 
| Dec [decimal degrees] | 37.609169 | 37.609169 | 37.609169 | 37.609169 | 37.609169 | 37.609169 | 37.609169 | 
| Kepler-band [mag] | 13.562000000000001 | 13.562000000000001 | 13.562000000000001 | 13.562000000000001 | 13.562000000000001 | 13.562000000000001 | 13.562000000000001 | 
| g'-band [mag] | 14.271 | 14.271 | 14.271 | 14.271 | 14.271 | 14.271 | 14.271 | 
| r'-band [mag] | 13.495000000000001 | 13.495000000000001 | 13.495000000000001 | 13.495000000000001 | 13.495000000000001 | 13.495000000000001 | 13.495000000000001 | 
| i'-band [mag] | 13.259 | 13.259 | 13.259 | 13.259 | 13.259 | 13.259 | 13.259 | 
| z'-band [mag] | 13.118 | 13.118 | 13.118 | 13.118 | 13.118 | 13.118 | 13.118 | 
| J-band [mag] | 12.127 | 12.127 | 12.127 | 12.127 | 12.127 | 12.127 | 12.127 | 
| H-band [mag] | 11.672 | 11.672 | 11.672 | 11.672 | 11.672 | 11.672 | 11.672 | 
| K-band [mag] | 11.585 | 11.585 | 11.585 | 11.585 | 11.585 | 11.585 | 11.585 | 
| Disposition Score | --- | 1.0 | --- | --- | --- | --- | --- | 
| Comment | --- | NO_COMMENT | --- | --- | --- | --- | --- | 
| Eccentricity | --- | 0 | 0 | 0 | 0 | 0 | 0 | 
| Impact Parameter | --- | 0.319 +0.117-0.319  | 0.1409 +0.2663-0.1409  | 0.1409 +0.2663-0.1409  | 0.1409 +0.2663-0.1409  | 0.0245±0.1 | 0.025±0.028 | 
| Transit Duration [hrs] | --- | 2.715±0.0552 | 2.7336±0.0288 | 2.7336±0.0288 | 2.7336±0.0288 | 2.8096 | 2.8096 | 
| Transit Depth [ppm] | --- | 801.5±21.5 | 869.7±11.8 | 869.7±11.8 | 869.7±11.8 | 802 | 807 | 
| Planet-Star Radius Ratio | --- | 0.025572 +0.000552-0.000833  | 0.026397 +0.000633-0.000336  | 0.026397 +0.000633-0.000336  | 0.026397 +0.000633-0.000336  | 0.02528±0.0003 | 0.02528±0.0003 | 
| Fitted Stellar Density [g/cm**3] | --- | 4.05514 +0.75488-1.22522  | 4.50712 +0.20644-1.13079  | 4.50712 +0.20644-1.13079  | 4.50712 +0.20644-1.13079  | --- | --- | 
| Planetary Fit Type | --- | LS+MCMC | MCMC | MCMC | MCMC | --- | --- | 
| Planetary Radius [Earth radii] | --- | 2.18 +0.15-0.1  | 2.23 +0.2-0.07  | 2.23 +0.2-0.07  | 2.23 +0.2-0.07  | 2.21±0.1 | 2.2 | 
| Orbit Semi-Major Axis [au] | --- | .0871 | .0886 | .0886 | .0886 | .089 | .089 | 
| Inclination [deg] | --- | 89.36 | 89.95 | 89.95 | 89.95 | 89.95 | --- | 
| Equilibrium Temperature [K] | --- | 672 | 678 | 678 | 678 | 690 | 690 | 
| Insolation Flux [Earth flux] | --- | 48.37 +11.58-7.64  | 50.05 +14.27-6.76  | 50.05 +14.27-6.76  | 50.05 +14.27-6.76  | --- | --- | 
| Planet-Star Distance over Star Radius | --- | 28.48±5.3 | 29.5±1.4 | 29.5±1.4 | 29.5±1.4 | 28.9±1.3 | 28.9±1.3 | 
| 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 | -0.5073 | --- | 
| Limb Darkening Coeff. 3 | --- | 0.0 | 0.0 | 0.0 | 0.0 | 1.1341 | --- | 
| Limb Darkening Coeff. 2 | --- | 0.153 | 0.187 | 0.187 | 0.187 | -0.4621 | --- | 
| Limb Darkening Coeff. 1 | --- | 0.5684 | 0.5213 | 0.5213 | 0.5213 | 0.636 | --- | 
| Maximum Single Event Statistic | --- | 12.495702999999999 | 11.351151 | --- | --- | --- | --- | 
| Maximum Multiple Event Statistic | --- | 68.87666999999999 | 72.59764 | --- | --- | --- | --- | 
| Transit Signal-to-Noise | --- | 41.9 | 85.4 | 85.4 | 85.4 | 114.10000000000001 | 67.4 | 
| Number of Transits | --- | 130 | 130 | --- | --- | --- | --- | 
| TCE Planet Number | --- | 1 | 1 | 1 | 1 | --- | --- | 
| Quarters | --- | 11111111111111111000000000000000 | 11111111111111111000000000000000 | --- | --- | --- | --- | 
| Odd-Even Depth Comparision Statistic | --- | 0.6468 | --- | --- | --- | --- | --- | 
| 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 | --- | kplr002302548-001-20160209194854_dvs.pdf | kplr002302548-001-20141002224145_dvs.pdf | kplr002302548-001-20130826182306_dvs.pdf | kplr002302548-001-20121115231752_dvs.pdf | --- | --- | 
| Stellar Effective Temperature [K] | --- | 5095±101 | 5203±102 | 5203±102 | 5203.00±102.00 | 5218.00±58.00 | 5218 | 
| Stellar Surface Gravity [log10(cm/s**2)] | --- | 4.566 +0.032-0.052  | 4.595 +0.011-0.072  | 4.595 +0.011-0.072  | 4.595 +0.011-0.072  | 4.580±0.100 | 4.58 | 
| Stellar Metallicity [dex] | --- | 0.02±0.15 | 0.000 +0.180-0.140  | 0.000 +0.180-0.140  | 0.000 +0.180-0.140  | --- | --- | 
| Stellar Radius [Solar radii] | --- | 0.78 +0.055-0.035  | 0.774 +0.07-0.026  | 0.774 +0.07-0.026  | 0.7740 +0.0700-0.0260  | 0.7990±0.0330 | .8 | 
| Stellar Mass [Solar mass] | --- | 0.816 +0.047-0.041  | 0.865 +0.04-0.058  | 0.865 +0.04-0.058  | 0.8650 +0.0400-0.0580  | 0.8760±0.0300 | --- | 
| Stellar Parameter Provenance | --- | q1_q17_dr25_stellar | stellar_q1_q16 | stellar_q1_q16 | stellar_q1_q16 | SPC | SPC | 
| FW Offset Significance [percent] | --- | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | --- | 
| FW Source α(OOT) [hrs] | --- | 19.4243148±0.0000037 | 19.4243194±0.0000034 | 19.4243178±0.0000035 | 19.424319600±0.000004300 | 19.424319600±0.000004400 | --- | 
| FW Source δ(OOT) [deg] | --- | 37.6091±0.000056 | 37.609123±0.000049 | 37.609112±0.000049 | 37.60922900±0.00005600 | 37.60924300±0.00005700 | --- | 
| FW Source Δα(OOT) [sec] | --- | -0.14±0.16 | 0.06±0.15 | -0.01±0.15 | -0.01300±0.01500 | -0.01300±0.01600 | --- | 
| FW Source Δδ(OOT) [arcsec] | --- | -0.25±0.2 | -0.17±0.17 | -0.21±0.18 | 0.05200±0.01300 | 0.05800±0.01400 | --- | 
| FW Δα(OOT) [sec] | --- | 0.00028±0.00013 | 0.00014±0.00013 | 0.0002±0.00014 | 1.1e-05±1.4e-05 | 1.15e-05±7.2e-06 | --- | 
| FW Δδ(OOT) [arcsec] | --- | -0.00027±0.00016 | -0.00033±0.00016 | -0.00029±0.00016 | -4.5e-05±1.2e-05 | -5.19e-05±6.1e-06 | --- | 
| PRF ΔαSQ(OOT) [arcsec] | --- | -0.022±0.085 | 0.015±0.091 | -0.013±0.081 | -0.0150±0.0770 | -0.0340±0.0760 | --- | 
| PRF ΔδSQ(OOT) [arcsec] | --- | 0.06±0.12 | 0.14±0.13 | 0.2±0.13 | 0.2000±0.1200 | 0.1900±0.1700 | --- | 
| PRF ΔθSQ(OOT) [arcsec] | --- | 0.06±0.12 | 0.14±0.13 | 0.2±0.13 | 0.2000±0.1200 | 0.2000±0.1700 | --- | 
| PRF ΔαSQ(KIC) [arcsec] | --- | -0.009±0.087 | 0.032±0.089 | 0.009±0.082 | 0.0120±0.0730 | -0.0160±0.0780 | --- | 
| PRF ΔδSQ(KIC) [arcsec] | --- | 0.24±0.13 | 0.32±0.15 | 0.38±0.14 | 0.3900±0.1100 | 0.4000±0.1500 | --- | 
| PRF ΔθSQ(KIC) [arcsec] | --- | 0.24±0.13 | 0.32±0.15 | 0.38±0.14 | 0.3900±0.1100 | 0.4000±0.1500 | --- | 
| Chi-Square | --- | --- | --- | --- | --- | 1.1500000000000001 | 1.16 | 
| Stellar Age [Gyr] | --- | --- | --- | --- | --- | 2.4±2.6 | --- | 
| KepID | 2302548 | 2302548 | 2302548 | 2302548 | 2302548 | 2302548 | 2302548 | 
|---|---|---|---|---|---|---|---|
| KOI Name | K00988.02 | K00988.02 | K00988.02 | K00988.02 | K00988.02 | K00988.02 | K00988.02 | 
| Kepler Name | Kepler-261 c | Kepler-261 c | Kepler-261 c | Kepler-261 c | Kepler-261 c | Kepler-261 c | Kepler-261 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 | NOT DISPOSITIONED | 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] | 24.5709023±0.0001009 | 24.5709023±0.0001009 | 24.57081569±4.692e-05 | 24.57081569±4.692e-05 | 24.57081569±4.692e-05 | 24.57078±0.00017 | 24.57078±0.00017 | 
| Transit Epoch [BKJD] | 135.87209±0.0033 | 135.87209±0.0033 | 135.87558±0.00149 | 135.87558±0.00149 | 135.87558±0.00149 | 135.8743±0.0027 | 135.8743±0.0027 | 
| Transit Epoch [BJD] | 2454968.872±0.0033 | 2454968.872±0.0033 | 2454968.876±0.00149 | 2454968.876±0.00149 | 2454968.876±0.00149 | 2454968.8743±0.0027 | 2454968.8743±0.0027 | 
| 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 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 
| TCE Delivery | q1_q17_dr25_tce | q1_q17_dr25_tce | q1_q17_dr24_tce | q1_q16_tce | q1_q12_tce | --- | --- | 
| Link to DV Report | kplr002302548-20160209194854_dvr.pdf | kplr002302548-20160209194854_dvr.pdf | kplr002302548-20141002224145_dvr.pdf | kplr002302548-20130815195353_dvr.pdf | kplr002302548-20121029204534_dvr.pdf | --- | --- | 
| RA [decimal degrees] | 291.36478 | 291.36478 | 291.36478 | 291.36478 | 291.36478 | 291.36478 | 291.36478 | 
| Dec [decimal degrees] | 37.609169 | 37.609169 | 37.609169 | 37.609169 | 37.609169 | 37.609169 | 37.609169 | 
| Kepler-band [mag] | 13.562000000000001 | 13.562000000000001 | 13.562000000000001 | 13.562000000000001 | 13.562000000000001 | 13.562000000000001 | 13.562000000000001 | 
| g'-band [mag] | 14.271 | 14.271 | 14.271 | 14.271 | 14.271 | 14.271 | 14.271 | 
| r'-band [mag] | 13.495000000000001 | 13.495000000000001 | 13.495000000000001 | 13.495000000000001 | 13.495000000000001 | 13.495000000000001 | 13.495000000000001 | 
| i'-band [mag] | 13.259 | 13.259 | 13.259 | 13.259 | 13.259 | 13.259 | 13.259 | 
| z'-band [mag] | 13.118 | 13.118 | 13.118 | 13.118 | 13.118 | 13.118 | 13.118 | 
| J-band [mag] | 12.127 | 12.127 | 12.127 | 12.127 | 12.127 | 12.127 | 12.127 | 
| H-band [mag] | 11.672 | 11.672 | 11.672 | 11.672 | 11.672 | 11.672 | 11.672 | 
| K-band [mag] | 11.585 | 11.585 | 11.585 | 11.585 | 11.585 | 11.585 | 11.585 | 
| Disposition Score | --- | 1.0 | --- | --- | --- | --- | --- | 
| Comment | --- | NO_COMMENT | --- | --- | --- | --- | --- | 
| Eccentricity | --- | 0 | 0 | 0 | 0 | 0 | 0 | 
| Impact Parameter | --- | 0.945 +0.009-0.674  | 0.333 +0.1184-0.333  | 0.333 +0.1184-0.333  | 0.333 +0.1184-0.333  | 0.68±0.1 | 0.68±0.19 | 
| Transit Duration [hrs] | --- | 3.587±0.181 | 2.7576±0.0509 | 2.7576±0.0509 | 2.7576±0.0509 | 2.8017 | 2.8017 | 
| Transit Depth [ppm] | --- | 764.2±31.7 | 753.7±18.1 | 753.7±18.1 | 753.7±18.1 | 655 | 664 | 
| Planet-Star Radius Ratio | --- | 0.033128 +1.5e-05-0.007448  | 0.024892 +0.000583-0.000737  | 0.024892 +0.000583-0.000737  | 0.024892 +0.000583-0.000737  | 0.02488±0.00059 | 0.02488±0.00059 | 
| Fitted Stellar Density [g/cm**3] | --- | 0.32657 +6.93801-0.07636  | 9.00029 +2.10277-2.02109  | 9.00029 +2.10277-2.02109  | 9.00029 +2.10277-2.02109  | --- | --- | 
| Planetary Fit Type | --- | LS+MCMC | MCMC | MCMC | MCMC | --- | --- | 
| Planetary Radius [Earth radii] | --- | 2.82 +0.2-0.12  | 2.1 +0.19-0.07  | 2.1 +0.19-0.07  | 2.1 +0.19-0.07  | 2.17±0.1 | 2.17 | 
| Orbit Semi-Major Axis [au] | --- | .1547 | .1574 | .1574 | .1574 | .158 | .158 | 
| Inclination [deg] | --- | 87.52 | 89.95 | 89.95 | 89.95 | 89.38 | --- | 
| Equilibrium Temperature [K] | --- | 505 | 509 | 509 | 509 | 518 | 518 | 
| Insolation Flux [Earth flux] | --- | 15.33 +3.68-2.42  | 15.86 +4.52-2.14  | 15.86 +4.52-2.14  | 15.86 +4.52-2.14  | --- | --- | 
| Planet-Star Distance over Star Radius | --- | 21.8±10.8 | 66±15.4 | 66±15.4 | 66±15.4 | 51.4±2.4 | 51.4±2.4 | 
| 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 | -0.5073 | --- | 
| Limb Darkening Coeff. 3 | --- | 0.0 | 0.0 | 0.0 | 0.0 | 1.1341 | --- | 
| Limb Darkening Coeff. 2 | --- | 0.153 | 0.187 | 0.187 | 0.187 | -0.4621 | --- | 
| Limb Darkening Coeff. 1 | --- | 0.5684 | 0.5213 | 0.5213 | 0.5213 | 0.636 | --- | 
| Maximum Single Event Statistic | --- | 8.849416999999999 | 8.459693 | --- | --- | --- | --- | 
| Maximum Multiple Event Statistic | --- | 34.57784 | 39.354774 | --- | --- | --- | --- | 
| Transit Signal-to-Noise | --- | 26.3 | 46.7 | 46.7 | 46.7 | 67.4 | 37.5 | 
| Number of Transits | --- | 50 | 50 | --- | --- | --- | --- | 
| TCE Planet Number | --- | 2 | 2 | 2 | 2 | --- | --- | 
| Quarters | --- | 11111111111111111000000000000000 | 11111111111111111000000000000000 | --- | --- | --- | --- | 
| Odd-Even Depth Comparision Statistic | --- | 0.7132000000000001 | --- | --- | --- | --- | --- | 
| 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 | --- | kplr002302548-002-20160209194854_dvs.pdf | kplr002302548-002-20141002224145_dvs.pdf | kplr002302548-002-20130826182306_dvs.pdf | kplr002302548-002-20121115231752_dvs.pdf | --- | --- | 
| Stellar Effective Temperature [K] | --- | 5095±101 | 5203±102 | 5203±102 | 5203.00±102.00 | 5218.00±58.00 | 5218 | 
| Stellar Surface Gravity [log10(cm/s**2)] | --- | 4.566 +0.032-0.052  | 4.595 +0.011-0.072  | 4.595 +0.011-0.072  | 4.595 +0.011-0.072  | 4.580±0.100 | 4.58 | 
| Stellar Metallicity [dex] | --- | 0.02±0.15 | 0.000 +0.180-0.140  | 0.000 +0.180-0.140  | 0.000 +0.180-0.140  | --- | --- | 
| Stellar Radius [Solar radii] | --- | 0.78 +0.055-0.035  | 0.774 +0.07-0.026  | 0.774 +0.07-0.026  | 0.7740 +0.0700-0.0260  | 0.7990±0.0330 | .8 | 
| Stellar Mass [Solar mass] | --- | 0.816 +0.047-0.041  | 0.865 +0.04-0.058  | 0.865 +0.04-0.058  | 0.8650 +0.0400-0.0580  | 0.8760±0.0300 | --- | 
| Stellar Parameter Provenance | --- | q1_q17_dr25_stellar | stellar_q1_q16 | stellar_q1_q16 | stellar_q1_q16 | SPC | SPC | 
| FW Offset Significance [percent] | --- | 0.036000000000000004 | 0.184 | 0.5870000000000001 | 0.381 | --- | --- | 
| FW Source α(OOT) [hrs] | --- | 19.4243243±0.0000069 | 19.4243254±0.0000062 | 19.4243243±0.0000062 | 19.424320100±0.000007600 | --- | --- | 
| FW Source δ(OOT) [deg] | --- | 37.60914±0.0001 | 37.609094±0.00009 | 37.609064±0.000086 | 37.60908000±0.00010000 | --- | --- | 
| FW Source Δα(OOT) [sec] | --- | 0.27±0.3 | 0.32±0.27 | 0.27±0.26 | -0.01100±0.02700 | --- | --- | 
| FW Source Δδ(OOT) [arcsec] | --- | -0.12±0.37 | -0.27±0.32 | -0.38±0.31 | 0.01600±0.02400 | --- | --- | 
| FW Δα(OOT) [sec] | --- | -4e-05±0.00021 | -7e-05±0.0002 | -4e-05±0.00021 | 8e-06±2.1e-05 | --- | --- | 
| FW Δδ(OOT) [arcsec] | --- | -0.00032±0.00026 | -0.00021±0.00025 | -0.00012±0.00025 | -1.2e-05±1.9e-05 | --- | --- | 
| PRF ΔαSQ(OOT) [arcsec] | --- | 0.08±0.12 | 0.13±0.19 | 0.14±0.11 | 0.0870±0.0990 | --- | --- | 
| PRF ΔδSQ(OOT) [arcsec] | --- | 0.23±0.16 | 0.16±0.19 | 0.1±0.14 | 0.0500±0.1800 | --- | --- | 
| PRF ΔθSQ(OOT) [arcsec] | --- | 0.24±0.16 | 0.2±0.16 | 0.17±0.13 | 0.1000±0.1300 | --- | --- | 
| PRF ΔαSQ(KIC) [arcsec] | --- | 0.09±0.12 | 0.13±0.19 | 0.15±0.1 | 0.1000±0.1000 | --- | --- | 
| PRF ΔδSQ(KIC) [arcsec] | --- | 0.42±0.18 | 0.36±0.21 | 0.3±0.15 | 0.2500±0.1800 | --- | --- | 
| PRF ΔθSQ(KIC) [arcsec] | --- | 0.43±0.18 | 0.39±0.21 | 0.34±0.15 | 0.2700±0.1700 | --- | --- | 
| Chi-Square | --- | --- | --- | --- | --- | 1.04 | 0.99 | 
| Stellar Age [Gyr] | --- | --- | --- | --- | --- | 2.4±2.6 | --- | 
- Known Objects
- 2 Confirmed Planets
- 2 Kepler Objects of Interest (KOIs)
- 2 Threshold Crossing Events (TCEs)
- 5 2MASS Point Source Catalog
- Data Files
- 1 Kepler Time Series
- 2 SuperWASP Time Series
- 2 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
- 
The California-Kepler Survey. VII. Precise Planet Radii Leveraging Gaia DR2 Reveal the Stellar Mass Dependence of the Planet Radius Gap
 Fulton & Petigura 2018 | Reference Overview
- 
Revised Radii of Kepler Stars and Planets Using Gaia Data Release 2
 Berger et al. 2018 | 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
- System
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- Confirmed
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- False Positive Planet
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- False Positive
- Aliases
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