NASA
Exoplanet
Archive
A
service of
NASA
Exoplanet
Science
Institute

Kepler-638 Overview

Kepler-638 1.45 R⦿ 5250.00 K
Kepler-638 b
0.163 RJup
Architecture
Kepler-638
Kepler-638
Kepler-638 b
Discovery Data
Host Planet Orbital Separation Planet Size Method Year Reference Disposition
Kepler-638 Kepler-638 b 6.08 d 1.83 R⨁ Transit 2016 Morton et al. 2016 Confirmed Planet
Kepler-638 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
18h59m40.66s
Dec
+41d37m01.95s
Distance
991.214+15.856-15.376
pc
Parallax
0.9800730±0.0157739 mas
Ecliptic Latitude
63.72751 deg
Ecliptic Longitude
295.77113 deg
Galactic Latitude
16.19611 deg
Galactic Longitude
71.85484 deg
Total Proper Motion
2.9283897±0.0262447 mas/yr
Proper Motion (RA)
2.5621200±0.0259378 mas/yr
Proper Motion (Dec)
1.4181000±0.0272223 mas/yr
Photometry
mV
13.658±0.069
mTESS
12.9774±0.0063
mJ
12.181±0.021
mH
11.765±0.022
mKs
11.683±0.020
mKep
13.532
mW1
11.640±0.023
mW2
11.686±0.022
mW3
11.444±0.121
mW4
8.953
mGaia
13.518600±0.000206
mB
14.549±0.022
mg
14.115
mi
13.283
mr
13.488
mz
13.188
Abundances
(Hypatia Catalog)
[Fe/H] -0.14±0.04 dex
[C/H] -0.18±0.09 dex
[O/H] -0.12±0.09 dex
[Na/H] -0.34±0.04 dex
[Mg/H] -0.12±0.07 dex
[Al/H] -0.17±0.06 dex
[Si/H] -0.21±0.05 dex
[Ca/H] -0.11±0.06 dex
[Y/H] -0.12±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 Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5342.680+141.726-181.857
 5320±106
5097.8726+363.4610-40.8026
5382.000+50.103-59.393
 5250 5250 5320±60 ---
5460 +120-76
5446 +182-152
5446 +182-152
5446.00 +182.00-152.00
5480.00±74.00 5250
Metallicity
(dex)
-0.247±0.166 [M/H] --- ---
0.0400+0.1050-0.1230
[Fe/H] 		--- -0.381 [Fe/H] -0.070±0.040 [Fe/H] ---
0.08 +0.15-0.1
[Fe/H]
-0.360 +0.380-0.280
[Fe/H]
-0.360 +0.380-0.280
[Fe/H]
-0.360 +0.380-0.280
[Fe/H] 		--- ---
R✶
(R⦿)
2.152510+0.165184-0.148746
2.202+0.099-0.094
2.3230171+0.0376377-0.2989120
0.9300+0.2860-0.0910
 1.69 1.449
2.157+0.063-0.061
 ---
1.346 +0.234-0.322
1.593 +1.073-0.78
1.593 +1.073-0.78
1.5930 +1.0730-0.7800
1.4900±0.2400 1.69
log g
(log10(cm/s2))
3.7359600+0.0782079-0.1189470
 --- ---
4.430+0.107-0.200
 3.95 4.15 --- ---
4.139 +0.252-0.108
3.961 +0.56-0.343
3.961 +0.56-0.343
3.961 +0.560-0.343
4.050±0.300 3.95
Age
(Gyr)
--- --- ---
11.75+2.40-7.41
 --- ---
7.24+0.52-0.48
 --- --- --- --- --- 14±2.1 ---
M✶
(M⦿)
0.9200000+0.1343000-0.1026720
 --- ---
0.880+0.044-0.036
 --- --- 1.082±0.022 ---
0.911 +0.079-0.036
0.848 +0.14-0.097
0.848 +0.14-0.097
0.8480 +0.1400-0.0970
0.9060±0.0650 ---
L✶
(log10(L⦿))
0.5316234+0.0143665-0.0231148
 ---
0.51635546+0.02008334-0.02105728
 --- --- --- --- --- --- --- --- --- --- ---
γ
(km/s)
--- --- -57.0189910821175±4.2269153479669 --- --- --- --- --- --- --- --- --- --- ---
ρ✶
(g/cm3)
0.1300515+0.0467752-0.0302955
 --- --- --- --- ---
0.11+0.00-0.01
 ---
0.10570 +0.05028-0.00066
0.01958 +0.10298-0.00064
0.01958 +0.10298-0.00064
0.01958 +0.10298-0.00064
--- ---
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 Show Candidate Solutions >> << Hide Candidate Solutions
a/R✶
--- --- --- --- --- --- 5.91±2.8 3.37±1.6 3.37±1.6 3.37±1.6 4.3±1.4
Teq
(K)
--- --- --- --- --- --- 1111 1221 1221 1221 1174
b
--- --- --- --- --- ---
0.471 +0.372-0.272
0.8801 +0.0009-0.628
0.8801 +0.0009-0.628
0.8801 +0.0009-0.628
0.784±0.1
S
(S⨁)
--- ---
872.567+32.469-31.139
 --- 744.3±55.6 ---
360.77 +181.51-163.35
524.78 +1151.61-402.73
524.78 +1151.61-402.73
524.78 +1151.61-402.73
---
e
--- --- --- --- --- --- 0 0 0 0 0
i
(deg)
--- --- --- --- --- --- 85.43 75.06 75.06 75.06 79.64
P
(days)
6.07972888±1.513e-05 6.0795814268±0.0000075274 --- 6.07969618±0.00000333 6.079728880±0.000015130 6.07972016±1.398e-05 6.07972016±1.398e-05 6.07972888±1.513e-05 6.07972888±1.513e-05 6.07972888±1.513e-05 6.079629±4.2e-05
Rp
(R⨁)
1.83+0.56-0.31
 ---
3.797+0.449-0.186
 --- 4.306±0.331 ---
2.32 +0.41-0.55
3.18 +2.14-1.56
3.18 +2.14-1.56
3.18 +2.14-1.56
2.8±0.46
Rp
(RJup)
0.163+0.050-0.028
 ---
0.3387+0.0401-0.0166
 --- 0.3842±0.0295 ---
0.207+0.037-0.049
0.284+0.191-0.139
0.284+0.191-0.139
0.284+0.191-0.139
0.250+0.041-0.041
Rp/R✶
0.018279 +0.000149-0.002434
--- --- ---
0.018279+0.000149-0.002434
 ---
0.015794 +0.001725-0.000382
0.018279 +0.000149-0.002434
0.018279 +0.000149-0.002434
0.018279 +0.000149-0.002434
0.01725±0.0002
a
(au)
--- --- --- --- 0.06695±0.00044 --- .0632 .0617 .0617 .0617 .063
δ
(%)
--- --- --- 0.0306 --- --- 0.02908±0.00044 0.02898±0.00042 0.02898±0.00042 0.02898±0.00042 0.02900
T14
(hours)
7.3431±0.0761 --- --- 7.1966 --- --- 7.1228±0.0618 7.3431±0.0761 7.3431±0.0761 7.3431±0.0761 7.2182
TC
(days)
2455003.58397±0.00190
(JD)
2455003.60113000±0.00026841
(BJD)
--- 2454954.951507±0.002839
(BJD)
--- 2455003.584±0.00177
(BJD)
2455003.584±0.00177
(BJD)
2455003.584±0.0019
(BJD)
2455003.584±0.0019
(BJD)
2455003.584±0.0019
(BJD)
2455003.588±0.0023
(BJD)
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 6267535 6267535 6267535 6267535 6267535 6267535 6267535
KOI Name K00660.01 K00660.01 K00660.01 K00660.01 K00660.01 K00660.01 K00660.01
Kepler Name Kepler-638 b Kepler-638 b Kepler-638 b Kepler-638 b Kepler-638 b Kepler-638 b Kepler-638 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] 6.07972016±1.398e-05 6.07972016±1.398e-05 6.07972888±1.513e-05 6.07972888±1.513e-05 6.07972888±1.513e-05 6.079629±4.2e-05 6.079629±4.2e-05
Transit Epoch [BKJD] 170.58389±0.00177 170.58389±0.00177 170.58397±0.0019 170.58397±0.0019 170.58397±0.0019 170.588±0.0023 170.588±0.0024
Transit Epoch [BJD] 2455003.584±0.00177 2455003.584±0.00177 2455003.584±0.0019 2455003.584±0.0019 2455003.584±0.0019 2455003.588±0.0023 2455003.588±0.0024
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 kplr006267535-20160209194854_dvr.pdf kplr006267535-20160209194854_dvr.pdf kplr006267535-20141002224145_dvr.pdf kplr006267535-20130815195353_dvr.pdf kplr006267535-20121029204534_dvr.pdf --- ---
RA [decimal degrees] 284.91943 284.91943 284.91943 284.91943 284.91943 284.91943 284.91943
Dec [decimal degrees] 41.617191 41.617191 41.617191 41.617191 41.617191 41.617191 41.617191
Kepler-band [mag] 13.532 13.532 13.532 13.532 13.532 13.532 13.532
g'-band [mag] 14.115 14.115 14.115 14.115 14.115 14.115 14.115
r'-band [mag] 13.488000000000001 13.488000000000001 13.488000000000001 13.488000000000001 13.488000000000001 13.488000000000001 13.488000000000001
i'-band [mag] 13.283000000000001 13.283000000000001 13.283000000000001 13.283000000000001 13.283000000000001 13.283000000000001 13.283000000000001
z'-band [mag] 13.188 13.188 13.188 13.188 13.188 13.188 13.188
J-band [mag] 12.181000000000001 12.181000000000001 12.181000000000001 12.181000000000001 12.181000000000001 12.181000000000001 12.181000000000001
H-band [mag] 11.765 11.765 11.765 11.765 11.765 11.765 11.765
K-band [mag] 11.683 11.683 11.683 11.683 11.683 11.683 11.683
Disposition Score --- 1.0 --- --- --- --- ---
Comment --- NO_COMMENT --- --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
0.471 +0.372-0.272
0.8801 +0.0009-0.628
0.8801 +0.0009-0.628
0.8801 +0.0009-0.628
0.784±0.1 0.784±0.089
Transit Duration [hrs] --- 7.1228±0.0618 7.3431±0.0761 7.3431±0.0761 7.3431±0.0761 7.2182 7.2182
Transit Depth [ppm] --- 290.8±4.4 289.8±4.2 289.8±4.2 289.8±4.2 290 297
Planet-Star Radius Ratio ---
0.015794 +0.001725-0.000382
0.018279 +0.000149-0.002434
0.018279 +0.000149-0.002434
0.018279 +0.000149-0.002434
0.01725±0.0002 0.01725±0.0002
Fitted Stellar Density [g/cm**3] ---
0.10570 +0.05028-0.00066
0.01958 +0.10298-0.00064
0.01958 +0.10298-0.00064
0.01958 +0.10298-0.00064
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
2.32 +0.41-0.55
3.18 +2.14-1.56
3.18 +2.14-1.56
3.18 +2.14-1.56
2.8±0.46 3.17
Orbit Semi-Major Axis [au] --- .0632 .0617 .0617 .0617 .063 .064
Inclination [deg] --- 85.43 75.06 75.06 75.06 79.64 ---
Equilibrium Temperature [K] --- 1111 1221 1221 1221 1174 1188
Insolation Flux [Earth flux] ---
360.77 +181.51-163.35
524.78 +1151.61-402.73
524.78 +1151.61-402.73
524.78 +1151.61-402.73
--- ---
Planet-Star Distance over Star Radius --- 5.91±2.8 3.37±1.6 3.37±1.6 3.37±1.6 4.3±1.4 4.3±1.4
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 -0.2864 ---
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 0.4832 ---
Limb Darkening Coeff. 2 --- 0.23290000000000002 0.24910000000000002 0.24910000000000002 0.24910000000000002 0.0796 ---
Limb Darkening Coeff. 1 --- 0.4554 0.4258 0.4258 0.4258 0.4777 ---
Maximum Single Event Statistic --- 6.483905999999999 6.86274 --- --- --- ---
Maximum Multiple Event Statistic --- 48.483233999999996 51.854155999999996 --- --- --- ---
Transit Signal-to-Noise --- 77.9 79.0 79.0 79.0 80.2 63.300000000000004
Number of Transits --- 173 173 --- --- --- ---
TCE Planet Number --- 1 1 1 1 --- ---
Quarters --- 11110111011101110000000000000000 11110111011101110000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.43220000000000003 --- --- --- --- ---
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 --- kplr006267535-001-20160209194854_dvs.pdf kplr006267535-001-20141002224145_dvs.pdf kplr006267535-001-20130826182306_dvs.pdf kplr006267535-001-20121115231752_dvs.pdf --- ---
Stellar Effective Temperature [K] ---
5460 +120-76
5446 +182-152
5446 +182-152
5446.00 +182.00-152.00
5480.00±74.00 5250
Stellar Surface Gravity [log10(cm/s**2)] ---
4.139 +0.252-0.108
3.961 +0.56-0.343
3.961 +0.56-0.343
3.961 +0.560-0.343
4.050±0.300 3.95
Stellar Metallicity [dex] ---
0.08 +0.15-0.1
-0.360 +0.380-0.280
-0.360 +0.380-0.280
-0.360 +0.380-0.280
--- ---
Stellar Radius [Solar radii] ---
1.346 +0.234-0.322
1.593 +1.073-0.78
1.593 +1.073-0.78
1.5930 +1.0730-0.7800
1.4900±0.2400 1.69
Stellar Mass [Solar mass] ---
0.911 +0.079-0.036
0.848 +0.14-0.097
0.848 +0.14-0.097
0.8480 +0.1400-0.0970
0.9060±0.0650 ---
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault KIC
FW Offset Significance [percent] --- 0.092 0.383 0.17400000000000002 0.10600000000000001 0.29400000000000004 ---
FW Source α(OOT) [hrs] --- 18.9946295±0.0000048 18.9946291±0.0000051 18.9946302±0.0000047 18.994619800±0.000005600 18.994622400±0.000006600 ---
FW Source δ(OOT) [deg] --- 41.617152±0.000048 41.61718±0.000051 41.617177±0.000049 41.61719800±0.00006100 41.61724300±0.00007000 ---
FW Source Δα(OOT) [sec] --- 0.01±0.19 -0.01±0.2 0.04±0.19 -0.02300±0.02000 -0.01500±0.02400 ---
FW Source Δδ(OOT) [arcsec] --- -0.14±0.17 -0.03±0.18 -0.05±0.18 -0.00100±0.01500 0.01000±0.01700 ---
FW Δα(OOT) [sec] --- -3.9e-05±5.3e-05 -3.4e-05±5.6e-05 -4.9e-05±5.5e-05 6.4e-06±5.7e-06 4.1e-06±3.3e-06 ---
FW Δδ(OOT) [arcsec] --- 5e-05±4.7e-05 1.9e-05±5e-05 2.4e-05±5.2e-05 3e-07±4.1e-06 -2.7e-06±2.4e-06 ---
PRF ΔαSQ(OOT) [arcsec] --- 0.05±0.13 0.11±0.15 0.09±0.14 0.1600±0.1300 0.2500±0.1200 ---
PRF ΔδSQ(OOT) [arcsec] --- -0.05±0.14 -0.05±0.12 -0.08±0.16 -0.0300±0.1100 -0.0500±0.1500 ---
PRF ΔθSQ(OOT) [arcsec] --- 0.07±0.13 0.12±0.14 0.12±0.15 0.1600±0.1300 0.2500±0.1200 ---
PRF ΔαSQ(KIC) [arcsec] --- -0.03±0.14 0.04±0.15 0.01±0.14 0.1000±0.1400 0.1800±0.1300 ---
PRF ΔδSQ(KIC) [arcsec] --- -0.01±0.17 -0±0.12 -0.02±0.16 0.0200±0.1100 -0.0000±0.1500 ---
PRF ΔθSQ(KIC) [arcsec] --- 0.03±0.16 0.04±0.15 0.03±0.17 0.1000±0.1400 0.1800±0.1300 ---
Chi-Square --- --- --- --- --- 1.3800000000000001 1.3800000000000001
Stellar Age [Gyr] --- --- --- --- --- 14±2.1 ---
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

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.