IPAC Logo
NASA
Exoplanet
Archive
A
service of
NASA
Exoplanet
Science
Institute

Kepler-997 Overview

Kepler-997 1.18 R⦿ 6063.00 K
Kepler-997 b
0.121 RJup

Kepler-997 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
Kepler-997
Kepler-997 b 2.71 d 1.36 R⨁ Transit 2016 Morton et al. 2016 Confirmed Planet
Kepler-997 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
19h16m56.01s
Dec
+49d56m20.02s
Distance
467.568+5.707-5.574
pc
Parallax
2.1101700±0.0256027 mas
Ecliptic Latitude
70.7214 deg
Ecliptic Longitude
309.9486 deg
Galactic Latitude
16.58282 deg
Galactic Longitude
81.06648 deg
Total Proper Motion
13.5073471±0.0422700 mas/yr
Proper Motion (RA)
-3.4253900±0.0490956 mas/yr
Proper Motion (Dec)
-13.0658000±0.0417599 mas/yr
Photometry
mV
11.521±0.038
mTESS
11.4594±0.0068
mJ
10.929±0.023
mH
10.663±0.031
mKs
10.608±0.022
mKep
11.894
mW1
10.574±0.023
mW2
10.618±0.020
mW3
10.541±0.057
mW4
9.672
mGaia
11.8477±0.0002
mB
12.794±0.312
mg
12.213
mi
11.757
mr
11.850
mz
11.761
Abundances
(Hypatia Catalog)
[Fe/H] 0.09±0.04 dex
[C/H] 0.04±0.09 dex
[O/H] -0.09±0.09 dex
[Na/H] -0.08±0.04 dex
[Mg/H] 0.01±0.07 dex
[Al/H] -0.06±0.06 dex
[Si/H] 0.03±0.05 dex
[Ca/H] 0.04±0.06 dex
[Y/H] 0.19±0.08 dex
Mission
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
Kepler Names
KOI
Kepler Stellar Data
Kepler Positional Probabilities
Q1-Q17 DR25 False Positive Probabilities
Kepler Certified False Positive
Q1-Q16 DR25 TCE
Stellar Hosts
Kepler Time Series
Kepler TCE Time Series
Source TICv8 Berger et al. 2018 Gaia DR2 Morton et al. 2016 Batalha et al. 2013 Latham et al. 2005 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 Q1-Q6 KOI Table
Teff
(K)
6169.000+115.129-135.816
 6059±121
5996.0+67.0-73.0
6150.000+62.566-54.961
 6063 6063 6059±60 ---
6045 +121-134
6287 +150-184
6287 +150-184
6287.00 +150.00-184.00
6295.00±62.00 6063
Metallicity
(dex)
--- --- ---
0.0500+0.0810-0.0770
[Fe/H] 		--- -0.273 [Fe/H] 0.06±0.04 [Fe/H] --- 0.02±0.15 [Fe/H]
-0.280 +0.260-0.300
[Fe/H]
-0.280 +0.260-0.300
[Fe/H]
-0.280 +0.260-0.300
[Fe/H] 		--- ---
R✶
(R⦿)
1.5490600+0.0655457-0.0832884
1.573+0.069-0.065
1.6093802+0.0399152-0.0353727
1.560+0.374-0.300
 1.12 1.185
1.558+0.040-0.039
 ---
1.629 +0.281-0.375
1.13 +0.541-0.149
1.13 +0.541-0.149
1.1300 +0.5410-0.1490
1.1900±0.4500 1.12
log g
(log10(cm/s2))
4.1298100+0.0962148-0.0708484
 --- ---
4.140+0.154-0.138
 4.35 4.34 --- ---
4.069 +0.188-0.101
4.336 +0.108-0.286
4.336 +0.108-0.286
4.336 +0.108-0.286
4.340±0.300 4.35
M✶
(M⦿)
1.180000+0.210344-0.125246
 --- ---
1.220+0.147-0.081
 1.03 ---
1.183+0.034-0.048
 ---
1.133 +0.128-0.104
1.008 +0.2-0.104
1.008 +0.2-0.104
1.0080 +0.2000-0.1040
1.1200±0.1200 ---
L✶
(log10(L⦿))
0.4956903+0.0210630-0.0173850
 ---
0.47945855+0.00884167-0.00902538
 --- --- --- --- --- --- --- --- --- --- ---
γ
(km/s)
--- --- -28.53842001596707±0.93762946694412 --- --- --- --- --- --- --- --- --- --- ---
Age
(Gyr)
--- --- ---
3.63+0.82-0.69
 --- ---
4.57+1.05-0.59
 --- --- --- --- --- 2.8±0.74 ---
ρ✶
(g/cm3)
0.4475508+0.1139433-0.0918312
 --- --- --- --- --- 0.31±0.02 ---
0.58290 +0.02925-0.20266
0.55908 +0.03654-0.17009
0.55908 +0.03654-0.17009
0.55908 +0.03654-0.17009
--- ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
Kepler Names
KOI
Transit
Source Morton et al. 2016 Gajdoš et al. 2019 Berger et al. 2018 Holczer 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
P
(days)
2.707306716±5.525e-06 2.7072805276±0.0000060966 --- 2.70729361±0.00000310 2.707306716±0.000005525 2.7073064±8.96e-06 2.7073064±8.96e-06 2.707306716±5.525e-06 2.707306716±5.525e-06 2.707306716±5.525e-06 2.70729±2.1e-05
TC
(days)
2454965.43096±0.00163
(JD)
2454965.43301000±0.00186645
(BJD)
--- 2454954.601767±0.002752
(BJD)
--- 2454965.431±0.00255
(BJD)
2454965.431±0.00255
(BJD)
2454965.431±0.00163
(BJD)
2454965.431±0.00163
(BJD)
2454965.431±0.00163
(BJD)
2454965.4334±0.0023
(BJD)
a/R✶
--- --- --- --- --- --- 6.09±0.306 6.006±0.393 6.006±0.393 6.006±0.393 4.89±0.79
Teq
(K)
--- --- --- --- --- --- 1709 1508 1508 1508 1516
b
--- --- --- --- --- ---
0.007 +0.436-0.007
0.1223 +0.3038-0.122
0.1223 +0.3038-0.122
0.1223 +0.3038-0.122
0.608±0.1
S
(S⨁)
--- ---
1900.131+60.262-58.475
 --- 1813.0±122.4 ---
2012.12 +982.26-922.02
1223.52 +1716.62-404.69
1223.52 +1716.62-404.69
1223.52 +1716.62-404.69
---
e
--- --- --- --- --- --- 0 0 0 0 0
i
(deg)
--- --- --- --- --- --- 89.93 88.81 88.81 88.81 83.08
Rp
(R⨁)
1.36+0.33-0.26
 ---
1.310+0.073-0.063
 --- 1.345±0.043 ---
1.36 +0.23-0.32
0.98 +0.46-0.13
0.98 +0.46-0.13
0.98 +0.46-0.13
1.07±0.41
Rp
(RJup)
0.121+0.029-0.023
 ---
0.1169+0.0065-0.0056
 --- 0.1200±0.0038 ---
0.121+0.021-0.029
0.087+0.041-0.012
0.087+0.041-0.012
0.087+0.041-0.012
0.095+0.037-0.037
Rp/R✶
0.00791 +0.00022-0.000103
--- --- ---
0.007910+0.000220-0.000103
 ---
0.007624 +0.000261-0.00018
0.00791 +0.00022-0.000103
0.00791 +0.00022-0.000103
0.00791 +0.00022-0.000103
0.00819±0.00016
a
(au)
--- --- --- --- 0.04022±0.00048 --- .0397 .0382 .0382 .0382 .04
δ
(%)
--- --- --- 0.0075 --- --- 0.00695±0.00025 0.00737±0.00017 0.00737±0.00017 0.00737±0.00017 0.00730
T14
(hours)
3.4623±0.0491 --- --- 3.6084 --- --- 3.4378±0.0761 3.4623±0.0491 3.4623±0.0491 3.4623±0.0491 3.4466
Print
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 11758544 11758544 11758544 11758544 11758544 11758544 11758544
KOI Name K01883.01 K01883.01 K01883.01 K01883.01 K01883.01 K01883.01 K01883.01
Kepler Name Kepler-997 b Kepler-997 b Kepler-997 b Kepler-997 b Kepler-997 b Kepler-997 b Kepler-997 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 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] 2.7073064±8.96e-06 2.7073064±8.96e-06 2.707306716±5.525e-06 2.707306716±5.525e-06 2.707306716±5.525e-06 2.70729±2.1e-05 2.70729±2.1e-05
Transit Epoch [BKJD] 132.43068±0.00255 132.43068±0.00255 132.43096±0.00163 132.43096±0.00163 132.43096±0.00163 132.4334±0.0023 132.4334±0.0023
Transit Epoch [BJD] 2454965.431±0.00255 2454965.431±0.00255 2454965.431±0.00163 2454965.431±0.00163 2454965.431±0.00163 2454965.4334±0.0023 2454965.4334±0.0023
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 kplr011758544-20160209194854_dvr.pdf kplr011758544-20160209194854_dvr.pdf kplr011758544-20141002224145_dvr.pdf kplr011758544-20130815195353_dvr.pdf kplr011758544-20121029204534_dvr.pdf --- ---
RA [decimal degrees] 289.23337 289.23337 289.23337 289.23337 289.23337 289.23337 289.23337
Dec [decimal degrees] 49.938931 49.938931 49.938931 49.938931 49.938931 49.938931 49.938931
Kepler-band [mag] 11.894 11.894 11.894 11.894 11.894 11.894 11.894
g'-band [mag] 12.213000000000001 12.213000000000001 12.213000000000001 12.213000000000001 12.213000000000001 12.213000000000001 12.213000000000001
r'-band [mag] 11.85 11.85 11.85 11.85 11.85 11.85 11.85
i'-band [mag] 11.757000000000001 11.757000000000001 11.757000000000001 11.757000000000001 11.757000000000001 11.757000000000001 11.757000000000001
z'-band [mag] 11.761000000000001 11.761000000000001 11.761000000000001 11.761000000000001 11.761000000000001 11.761000000000001 11.761000000000001
J-band [mag] 10.929 10.929 10.929 10.929 10.929 10.929 10.929
H-band [mag] 10.663 10.663 10.663 10.663 10.663 10.663 10.663
K-band [mag] 10.608 10.608 10.608 10.608 10.608 10.608 10.608
Disposition Score --- 0.999 --- --- --- --- ---
Comment --- NO_COMMENT --- --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
0.007 +0.436-0.007
0.1223 +0.3038-0.122
0.1223 +0.3038-0.122
0.1223 +0.3038-0.122
0.608±0.1 0.61±0.25
Transit Duration [hrs] --- 3.4378±0.0761 3.4623±0.0491 3.4623±0.0491 3.4623±0.0491 3.4466 3.4466
Transit Depth [ppm] --- 69.5±2.5 73.7±1.7 73.7±1.7 73.7±1.7 73 71
Planet-Star Radius Ratio ---
0.007624 +0.000261-0.00018
0.00791 +0.00022-0.000103
0.00791 +0.00022-0.000103
0.00791 +0.00022-0.000103
0.00819±0.00016 0.00819±0.00016
Fitted Stellar Density [g/cm**3] ---
0.58290 +0.02925-0.20266
0.55908 +0.03654-0.17009
0.55908 +0.03654-0.17009
0.55908 +0.03654-0.17009
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
1.36 +0.23-0.32
0.98 +0.46-0.13
0.98 +0.46-0.13
0.98 +0.46-0.13
1.07±0.41 1
Orbit Semi-Major Axis [au] --- .0397 .0382 .0382 .0382 .04 .038
Inclination [deg] --- 89.93 88.81 88.81 88.81 83.08 ---
Equilibrium Temperature [K] --- 1709 1508 1508 1508 1516 1449
Insolation Flux [Earth flux] ---
2012.12 +982.26-922.02
1223.52 +1716.62-404.69
1223.52 +1716.62-404.69
1223.52 +1716.62-404.69
--- ---
Planet-Star Distance over Star Radius --- 6.09±0.306 6.006±0.393 6.006±0.393 6.006±0.393 4.89±0.79 4.89±0.79
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 0.13240000000000002 ---
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 -0.5219 ---
Limb Darkening Coeff. 2 --- 0.2904 0.30410000000000004 0.30410000000000004 0.30410000000000004 0.7461 ---
Limb Darkening Coeff. 1 --- 0.3534 0.31 0.31 0.31 0.3361 ---
Maximum Single Event Statistic --- 5.1277924 6.4415603 --- --- --- ---
Maximum Multiple Event Statistic --- 34.166622 34.663204 --- --- --- ---
Transit Signal-to-Noise --- 31.7 48.1 48.1 48.1 55.5 32.9
Number of Transits --- 496 493 --- --- --- ---
TCE Planet Number --- 1 1 1 1 --- ---
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.7305 --- --- --- --- ---
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 --- kplr011758544-001-20160209194854_dvs.pdf kplr011758544-001-20141002224145_dvs.pdf kplr011758544-001-20130826182306_dvs.pdf kplr011758544-001-20121115231752_dvs.pdf --- ---
Stellar Effective Temperature [K] ---
6045 +121-134
6287 +150-184
6287 +150-184
6287.00 +150.00-184.00
6295.00±62.00 6063
Stellar Surface Gravity [log10(cm/s**2)] ---
4.069 +0.188-0.101
4.336 +0.108-0.286
4.336 +0.108-0.286
4.336 +0.108-0.286
4.340±0.300 4.35
Stellar Metallicity [dex] --- 0.02±0.15
-0.280 +0.260-0.300
-0.280 +0.260-0.300
-0.280 +0.260-0.300
--- ---
Stellar Radius [Solar radii] ---
1.629 +0.281-0.375
1.13 +0.541-0.149
1.13 +0.541-0.149
1.1300 +0.5410-0.1490
1.1900±0.4500 1.12
Stellar Mass [Solar mass] ---
1.133 +0.128-0.104
1.008 +0.2-0.104
1.008 +0.2-0.104
1.0080 +0.2000-0.1040
1.1200±0.1200 ---
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault KIC
FW Offset Significance [percent] --- 0.093 0.035 0.0 0.0 --- ---
FW Source α(OOT) [hrs] --- 19.2822281±0.0000062 19.2822327±0.0000061 19.2822342±0.000007 19.282239300±0.000009000 --- ---
FW Source δ(OOT) [deg] --- 49.938991±0.000074 49.938861±0.000082 49.93876±0.00008 49.93875400±0.00009600 --- ---
FW Source Δα(OOT) [sec] --- 0.14±0.21 0.3±0.21 0.35±0.24 0.05000±0.03300 --- ---
FW Source Δδ(OOT) [arcsec] --- 0.22±0.27 -0.25±0.3 -0.61±0.29 -0.03800±0.02300 --- ---
FW Δα(OOT) [sec] --- -7e-06±1.5e-05 -1.9e-05±1.6e-05 -2.2e-05±1.8e-05 -3.6e-06±2.3e-06 --- ---
FW Δδ(OOT) [arcsec] --- -2.1e-05±1.9e-05 1.4e-05±2.2e-05 4e-05±2.1e-05 2.7e-06±1.7e-06 --- ---
PRF ΔαSQ(OOT) [arcsec] --- 0.22±0.28 0.34±0.28 0.34±0.25 0.0100±0.3100 --- ---
PRF ΔδSQ(OOT) [arcsec] --- -0.11±0.27 0±0.31 0.04±0.34 -0.0100±0.4200 --- ---
PRF ΔθSQ(OOT) [arcsec] --- 0.25±0.27 0.34±0.28 0.34±0.25 0.0200±0.3700 --- ---
PRF ΔαSQ(KIC) [arcsec] --- 0.2±0.25 0.33±0.28 0.32±0.27 -0.0000±0.3100 --- ---
PRF ΔδSQ(KIC) [arcsec] --- -0.14±0.31 -0.02±0.32 0.01±0.33 -0.0300±0.4300 --- ---
PRF ΔθSQ(KIC) [arcsec] --- 0.24±0.27 0.33±0.28 0.32±0.27 0.0300±0.4300 --- ---
Chi-Square --- --- --- --- --- 1.41 1.47
Stellar Age [Gyr] --- --- --- --- --- 2.8±0.74 ---
Known Objects
1 Confirmed Planets
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
5 2MASS Point Source Catalog
Data Files
2 Kepler Time Series
2 SuperWASP Time Series
1 Associated Literature Data
  • System
  • Star
  • Confirmed
  • Candidate
  • False Positive Planet
  • Controversial
  • False Positive
  • Aliases
  • Data Access
  • Transit Prediction Service
  • Time Series
  • Kepler | K2
  • External Link
  • Search
  • Browse
  • Download
NExScI Logo IPAC Logo Caltech Logo JPL Logo NASA Logo

NASA Exoplanet Archive is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program.