Kepler-921 Overview
Kepler-921
0.85
R⦿
5774.00
K
Kepler-921 b
0.256
RJup
- Architecture
- Kepler-921
- Kepler-921
- Other Data
- Bibliography 16
- Exoplanet Archive Notes 1
- Nearby Data 7
Discovery Data
Host | Planet | Method | Year | Reference | Disposition |
---|---|---|---|---|---|
Kepler-921 | Kepler-921 b | Transit | 2016 | Morton et al. 2016 | Confirmed Planet |
Kepler-921 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)
- RA
- 18h58m27.89s
- Dec
- +49d11m26.68s
- Distance
- 934.4900±17.7865 pc
- Parallax
- 1.0414300±0.0202105 mas
- Ecliptic Latitude
- 71.08205 deg
- Ecliptic Longitude
- 300.57518 deg
- Galactic Latitude
- 19.10488 deg
- Galactic Longitude
- 79.19783 deg
- Total Proper Motion
- 11.2397712±0.0366885 mas/yr
- Proper Motion (RA)
- 4.1393400±0.0346143 mas/yr
- Proper Motion (Dec)
- -10.4498000±0.0370034 mas/yr
- Photometry
-
mV14.852±0.115
-
mTESS14.2465±0.0064
-
mJ13.597±0.027
-
mH13.184±0.021
-
mKs13.188±0.041
-
mKep14.739
-
mW113.168±0.024
-
mW213.207±0.025
-
mW312.881
-
mW49.383
-
mGaia14.705500±0.000388
-
mB15.473±0.045
-
mg---
-
mi---
-
mr---
-
mz---
Source | TICv8 | Berger et al. 2018 | Gaia DR2 | Morton et al. 2016 | Batalha et al. 2013 | Latham et al. 2005 | 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 | Q1-Q6 KOI Table | Show Candidate Solutions >> | << Hide Candidate Solutions |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Teff
(K)
|
5572.42±45.00 | 6040±211 |
5545.92+198.08-254.45
|
5663.000+69.962-61.962
|
5774 | 5774 | --- |
6032 +162-180
|
6032 +149-175
|
6032 +149-175
|
6032.00 +149.00-175.00
|
6034.00±84.00 | 5774 | ||
Metallicity
(dex)
|
-0.301±0.043 [M/H] | --- | --- |
-0.120+0.161-0.195
[Fe/H]
|
--- | -0.164 [Fe/H] | --- | -0.18±0.3 [Fe/H] |
-0.180 +0.250-0.300
[Fe/H]
|
-0.180 +0.250-0.300
[Fe/H]
|
-0.180 +0.250-0.300
[Fe/H]
|
--- | --- | ||
R✶
(R⦿)
|
1.03697 |
0.9620+0.0750-0.0680
|
1.0369960+0.1021290-0.0702878
|
0.9100+0.1040-0.0750
|
0.87 | 0.853 | --- |
0.929 +0.291-0.078
|
0.929 +0.363-0.08
|
0.929 +0.363-0.08
|
0.9290 +0.3630-0.0800
|
0.9400±0.4000 | .87 | ||
log g
(log10(cm/s2))
|
4.39776 | --- | --- |
4.500+0.051-0.108
|
4.54 | 4.60 | --- |
4.508 +0.052-0.208
|
4.508 +0.039-0.286
|
4.508 +0.039-0.286
|
4.508 +0.039-0.286
|
4.510±0.300 | 4.54 | ||
M✶
(M⦿)
|
0.98 | --- | --- |
0.930+0.051-0.062
|
0.97 | --- | --- | 1.014±0.13 |
1.014 +0.121-0.126
|
1.014 +0.121-0.126
|
1.0140 +0.1210-0.1260
|
1.0450±0.0820 | --- | ||
Age
(Gyr)
|
--- | --- | --- |
4.27+4.60-2.60
|
--- | --- | --- | --- | --- | --- | --- | 0.3±2 | --- | ||
L✶
(log10(L⦿))
|
-0.02960091 | --- |
-0.037856755+0.022249817-0.023451517
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ||
ρ✶
(g/cm3)
|
1.2390766 | --- | --- | --- | --- | --- | --- |
2.98696 +0.17960-1.38959
|
0.06316 +2.49107-0.00000
|
0.06316 +2.49107-0.00000
|
0.06316 +2.49107-0.00000
|
--- | --- |
- Status
- Confirmed Planet
- Detected By
- Transit
Source | Morton et al. 2016 | Berger et al. 2018 | Holczer 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)
|
51.300634±0.0006728 | --- | 51.30172621±0.00001636 | 51.3011844±0.0006021 | 51.3011844±0.0006021 | 51.300634±0.0006728 | 51.300634±0.0006728 | 51.300634±0.0006728 | 51.3002±0.0014 | ||
Rp
(R⨁)
|
2.87+0.33-0.73
|
2.149+0.201-0.167
|
--- | --- |
2.07 +0.65-0.17
|
2.9 +1.14-0.25
|
2.9 +1.14-0.25
|
2.9 +1.14-0.25
|
2.7±1.2 | ||
Rp
(RJup)
|
0.256+0.029-0.065
|
0.1917+0.0179-0.0149
|
--- | --- | --- | --- | --- | --- | --- | ||
Rp/R✶
|
0.028605 +0.00012-0.006926
|
--- | --- | --- |
0.020447 +0.00105-0.000654
|
0.028605 +0.00012-0.006926
|
0.028605 +0.00012-0.006926
|
0.028605 +0.00012-0.006926
|
0.0266±0.0013 | ||
T14
(hours)
|
6.987±0.261 | --- | 5.8938 | --- | 5.359±0.259 | 6.987±0.261 | 6.987±0.261 | 6.987±0.261 | 5.8989 | ||
TC
(days)
|
2454986.53646±0.00963 | --- | 2454986.524247±0.013057 | 2454986.526±0.00975 | 2454986.526±0.00975 | 2454986.536±0.00963 | 2454986.536±0.00963 | 2454986.536±0.00963 | 2454986.5343±0.0094 | ||
δ
(%)
|
--- | --- | 0.0578 | --- | 0.04989±0.00301 | 0.05814±0.00295 | 0.05814±0.00295 | 0.05814±0.00295 | 0.05590 | ||
S
(S⨁)
|
--- |
15.007+0.820-0.772
|
--- | --- |
13.86 +12.72-3.56
|
13.86 +15.70-3.57
|
13.86 +15.70-3.57
|
13.86 +15.70-3.57
|
--- | ||
a/R✶
|
--- | --- | --- | --- | 74.62±4.5 | 20.6±10.3 | 20.6±10.3 | 20.6±10.3 | 29.1±9.3 | ||
Teq
(K)
|
--- | --- | --- | --- | 492 | 492 | 492 | 492 | 494 | ||
b
|
--- | --- | --- | --- |
0.003 +0.463-0.003
|
0.9607 +0.002-0.6742
|
0.9607 +0.002-0.6742
|
0.9607 +0.002-0.6742
|
0.928±0.1 | ||
e
|
--- | --- | --- | --- | 0 | 0 | 0 | 0 | 0 | ||
i
(deg)
|
--- | --- | --- | --- | 90 | 87.09 | 87.09 | 87.09 | 88.24 | ||
a
(au)
|
--- | --- | --- | --- | .2716 | .2716 | .2716 | .2716 | .274 |
Kepler Detection Products
(4 File Types, 15 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_q16_tce | q1_q17_dr24_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 Object of Interest
KepID | 11337833 | 11337833 | 11337833 | 11337833 | 11337833 | 11337833 | 11337833 |
---|---|---|---|---|---|---|---|
KOI Name | K01651.01 | K01651.01 | K01651.01 | K01651.01 | K01651.01 | K01651.01 | K01651.01 |
Kepler Name | Kepler-921 b | Kepler-921 b | Kepler-921 b | Kepler-921 b | Kepler-921 b | Kepler-921 b | Kepler-921 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 | CANDIDATE | 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] | 51.3011844±0.0006021 | 51.3011844±0.0006021 | 51.300634±0.0006728 | 51.300634±0.0006728 | 51.300634±0.0006728 | 51.3002±0.0014 | 51.3002±0.0014 |
Transit Epoch [BKJD] | 153.52571±0.00975 | 153.52571±0.00975 | 153.53646±0.00963 | 153.53646±0.00963 | 153.53646±0.00963 | 153.5343±0.0094 | 153.5343±0.0094 |
Transit Epoch [BJD] | 2454986.526±0.00975 | 2454986.526±0.00975 | 2454986.536±0.00963 | 2454986.536±0.00963 | 2454986.536±0.00963 | 2454986.5343±0.0094 | 2454986.5343±0.0094 |
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 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
TCE Delivery | q1_q17_dr25_tce | q1_q17_dr25_tce | q1_q17_dr24_tce | q1_q16_tce | q1_q12_tce | --- | --- |
Link to DV Report | kplr011337833-20160209194854_dvr.pdf | kplr011337833-20160209194854_dvr.pdf | kplr011337833-20141002224145_dvr.pdf | kplr011337833-20130815195353_dvr.pdf | kplr011337833-20121029204534_dvr.pdf | --- | --- |
RA [decimal degrees] | 284.61621 | 284.61621 | 284.61621 | 284.61621 | 284.61621 | 284.61621 | 284.61621 |
Dec [decimal degrees] | 49.190811 | 49.190811 | 49.190811 | 49.190811 | 49.190811 | 49.190811 | 49.190811 |
Kepler-band [mag] | 14.739 | 14.739 | 14.739 | 14.739 | 14.739 | 14.739 | 14.739 |
g'-band [mag] | 15.174000000000001 | 15.174000000000001 | 15.174000000000001 | 15.174000000000001 | 15.174000000000001 | 15.174000000000001 | 15.174000000000001 |
r'-band [mag] | 14.681000000000001 | 14.681000000000001 | 14.681000000000001 | 14.681000000000001 | 14.681000000000001 | 14.681000000000001 | 14.681000000000001 |
i'-band [mag] | 14.553 | 14.553 | 14.553 | 14.553 | 14.553 | 14.553 | 14.553 |
z'-band [mag] | 14.48 | 14.48 | 14.48 | 14.48 | 14.48 | 14.48 | 14.48 |
J-band [mag] | 13.597000000000001 | 13.597000000000001 | 13.597000000000001 | 13.597000000000001 | 13.597000000000001 | 13.597000000000001 | 13.597000000000001 |
H-band [mag] | 13.184000000000001 | 13.184000000000001 | 13.184000000000001 | 13.184000000000001 | 13.184000000000001 | 13.184000000000001 | 13.184000000000001 |
K-band [mag] | 13.188 | 13.188 | 13.188 | 13.188 | 13.188 | 13.188 | 13.188 |
Disposition Score | --- | 0.994 | --- | --- | --- | --- | --- |
Comment | --- | NO_COMMENT | --- | --- | --- | --- | --- |
Eccentricity | --- | 0 | 0 | 0 | 0 | 0 | 0 |
Impact Parameter | --- |
0.003 +0.463-0.003
|
0.9607 +0.002-0.6742
|
0.9607 +0.002-0.6742
|
0.9607 +0.002-0.6742
|
0.928±0.1 | 0.93±0.18 |
Transit Duration [hrs] | --- | 5.359±0.259 | 6.987±0.261 | 6.987±0.261 | 6.987±0.261 | 5.8989 | 5.8989 |
Transit Depth [ppm] | --- | 498.9±30.1 | 581.4±29.5 | 581.4±29.5 | 581.4±29.5 | 559 | 581 |
Planet-Star Radius Ratio | --- |
0.020447 +0.00105-0.000654
|
0.028605 +0.00012-0.006926
|
0.028605 +0.00012-0.006926
|
0.028605 +0.00012-0.006926
|
0.0266±0.0013 | 0.0266±0.0013 |
Fitted Stellar Density [g/cm**3] | --- |
2.98696 +0.17960-1.38959
|
0.06316 +2.49107-0.00000
|
0.06316 +2.49107-0.00000
|
0.06316 +2.49107-0.00000
|
--- | --- |
Planetary Fit Type | --- | LS+MCMC | MCMC | MCMC | MCMC | --- | --- |
Planetary Radius [Earth radii] | --- |
2.07 +0.65-0.17
|
2.9 +1.14-0.25
|
2.9 +1.14-0.25
|
2.9 +1.14-0.25
|
2.7±1.2 | 2.52 |
Orbit Semi-Major Axis [au] | --- | .2716 | .2716 | .2716 | .2716 | .274 | .267 |
Inclination [deg] | --- | 90 | 87.09 | 87.09 | 87.09 | 88.24 | --- |
Equilibrium Temperature [K] | --- | 492 | 492 | 492 | 492 | 494 | 460 |
Insolation Flux [Earth flux] | --- |
13.86 +12.72-3.56
|
13.86 +15.70-3.57
|
13.86 +15.70-3.57
|
13.86 +15.70-3.57
|
--- | --- |
Planet-Star Distance over Star Radius | --- | 74.62±4.5 | 20.6±10.3 | 20.6±10.3 | 20.6±10.3 | 29.1±9.3 | 29.1±9.3 |
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 | -0.0005 | --- |
Limb Darkening Coeff. 3 | --- | 0.0 | 0.0 | 0.0 | 0.0 | -0.2177 | --- |
Limb Darkening Coeff. 2 | --- | 0.2916 | 0.29350000000000004 | 0.29350000000000004 | 0.29350000000000004 | 0.5527000000000001 | --- |
Limb Darkening Coeff. 1 | --- | 0.3447 | 0.3407 | 0.3407 | 0.3407 | 0.3773 | --- |
Maximum Single Event Statistic | --- | 5.4655075 | 5.4545889999999995 | --- | --- | --- | --- |
Maximum Multiple Event Statistic | --- | 16.529358 | 16.646797 | --- | --- | --- | --- |
Transit Signal-to-Noise | --- | 19.6 | 20.1 | 20.1 | 20.1 | 22.900000000000002 | 15.8 |
Number of Transits | --- | 21 | 21 | --- | --- | --- | --- |
TCE Planet Number | --- | 1 | 1 | 1 | 1 | --- | --- |
Quarters | --- | 11111110111011101000000000000000 | 11111110111011101000000000000000 | --- | --- | --- | --- |
Odd-Even Depth Comparision Statistic | --- | 0.764 | --- | --- | --- | --- | --- |
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 | --- | kplr011337833-001-20160209194854_dvs.pdf | kplr011337833-001-20141002224145_dvs.pdf | kplr011337833-001-20130826182306_dvs.pdf | kplr011337833-001-20121115231752_dvs.pdf | --- | --- |
Stellar Effective Temperature [K] | --- |
6032 +162-180
|
6032 +149-175
|
6032 +149-175
|
6032.00 +149.00-175.00
|
6034.00±84.00 | 5774 |
Stellar Surface Gravity [log10(cm/s**2)] | --- |
4.508 +0.052-0.208
|
4.508 +0.039-0.286
|
4.508 +0.039-0.286
|
4.508 +0.039-0.286
|
4.510±0.300 | 4.54 |
Stellar Metallicity [dex] | --- | -0.18±0.3 |
-0.180 +0.250-0.300
|
-0.180 +0.250-0.300
|
-0.180 +0.250-0.300
|
--- | --- |
Stellar Radius [Solar radii] | --- |
0.929 +0.291-0.078
|
0.929 +0.363-0.08
|
0.929 +0.363-0.08
|
0.9290 +0.3630-0.0800
|
0.9400±0.4000 | .87 |
Stellar Mass [Solar mass] | --- | 1.014±0.13 |
1.014 +0.121-0.126
|
1.014 +0.121-0.126
|
1.0140 +0.1210-0.1260
|
1.0450±0.0820 | --- |
Stellar Parameter Provenance | --- | q1_q17_dr25_stellar | stellar_q1_q16 | stellar_q1_q16 | stellar_q1_q16 | Pinsonneault | KIC |
FW Offset Significance [percent] | --- | 0.125 | 0.001 | 0.0 | --- | --- | --- |
FW Source α(OOT) [hrs] | --- | 18.974451±0.000025 | 18.974462±0.000025 | 18.97444±0.000026 | 18.974432000±0.000027000 | --- | --- |
FW Source δ(OOT) [deg] | --- | 49.19076±0.00022 | 49.19089±0.00024 | 49.19131±0.00023 | 49.19082000±0.00025000 | --- | --- |
FW Source Δα(OOT) [sec] | --- | 1.31±0.88 | 1.7±0.9 | 0.93±0.91 | 0.06800±0.09600 | --- | --- |
FW Source Δδ(OOT) [arcsec] | --- | -0.19±0.78 | 0.3±0.87 | 1.8±0.84 | 0.00200±0.06000 | --- | --- |
FW Δα(OOT) [sec] | --- | -0.00066±0.00044 | -0.00085±0.00045 | -0.0005±0.00049 | -3.6e-05±7.4e-05 | --- | --- |
FW Δδ(OOT) [arcsec] | --- | 0.00011±0.00039 | -0.00015±0.00043 | -0.00096±0.00046 | --- | --- | --- |
PRF ΔαSQ(OOT) [arcsec] | --- | -0.06±0.33 | -0.05±0.37 | 0.16±0.35 | 0.0500±0.3500 | --- | --- |
PRF ΔδSQ(OOT) [arcsec] | --- | -0.2±0.32 | -0.07±0.42 | -0.35±0.43 | 0.0200±0.3700 | --- | --- |
PRF ΔθSQ(OOT) [arcsec] | --- | 0.2±0.33 | 0.09±0.42 | 0.39±0.43 | 0.0600±0.3500 | --- | --- |
PRF ΔαSQ(KIC) [arcsec] | --- | 0.05±0.32 | 0.08±0.43 | 0.24±0.32 | 0.1500±0.3300 | --- | --- |
PRF ΔδSQ(KIC) [arcsec] | --- | -0.24±0.3 | -0.11±0.37 | -0.42±0.47 | -0.0400±0.3600 | --- | --- |
PRF ΔθSQ(KIC) [arcsec] | --- | 0.25±0.3 | 0.14±0.38 | 0.48±0.44 | 0.1500±0.3300 | --- | --- |
Chi-Square | --- | --- | --- | --- | --- | 0.89 | 0.9 |
Stellar Age [Gyr] | --- | --- | --- | --- | --- | 0.3±2 | --- |
- Known Objects
- 1 Confirmed Planets
- 1 Kepler Objects of Interest (KOIs)
- 1 Threshold Crossing Events (TCEs)
- 1 2MASS Point Source Catalog
- Data Files
- 1 Kepler Time Series
- 1 SuperWASP Time Series
- 1 Associated Literature Data
-
The Revised TESS Input Catalog and Candidate Target List
TICv8 | 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 -
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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- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
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