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Kepler-438 Overview

Kepler-438 0.74 R⦿ 3822.00 K
Kepler-438 b
0.100 RJup
Architecture
Kepler-438
Kepler-438
Kepler-438 b
Other Data
Bibliography 15
Exoplanet Archive Notes 1
Nearby Data 7
Discovery Data
Host Planet Method Year Reference Disposition
Kepler-438 Kepler-438 b Transit 2015 Torres et al. 2015 Confirmed Planet
Kepler-438 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
18h46m34.97s
Dec
+41d57m03.85s
Distance
---
Parallax
---
Ecliptic Latitude
64.5654 deg
Ecliptic Longitude
290.45612 deg
Galactic Latitude
18.59302 deg
Galactic Longitude
71.25802 deg
Total Proper Motion
30.5623775±2.2540256 mas/yr
Proper Motion (RA)
-20.34060±2.25402 mas/yr
Proper Motion (Dec)
-22.81050±2.25403 mas/yr
Photometry
mV
15.104±0.252
mTESS
13.4386000±0.0073303
mJ
12.130±0.031
mH
11.449±0.033
mKs
11.199±0.020
mKep
14.467
mW1
11.080±0.023
mW2
11.075±0.020
mW3
10.584±0.063
mW4
8.893
mGaia
14.485200±0.001258
mB
16.598±0.168
mg
16.027600±0.003269
mi
13.8381000±0.0029569
mr
14.6293000±0.0028583
mu
18.6423000±0.0196941
mz
13.3778000±0.0034621
Mission
Tools
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 Gaia DR2 Morton et al. 2016 Torres et al. 2015 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 Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
3747.0±157.0
3675.0000+15.6667-53.0000
3837.000+42.120-46.505
 3748±112 3822 ---
3749 +75-84
3688 +73-50
3688 +73-50
3688.00 +73.00-50.00
Metallicity
(dex)
--- ---
0.0200+0.1070-0.1120
[Fe/H] 		0.16±0.14 [Fe/H] 0.151 [Fe/H] --- 0.16±0.15 [Fe/H] -0.100±0.100 [Fe/H] -0.100±0.100 [Fe/H] -0.100±0.100 [Fe/H]
R✶
(R⦿)
0.6588530±0.0219061
0.7624511+0.0224768-0.0064594
0.540+0.022-0.032
0.520 +0.038-0.061
0.735 ---
0.524 +0.033-0.037
0.463 +0.07-0.05
0.463 +0.07-0.05
0.4630 +0.0700-0.0500
log g
(log10(cm/s2))
4.6023900±0.0141179 ---
4.720+0.026-0.023
4.740 +0.059-0.029
4.44 --- 4.743±0.033
4.788 +0.06-0.08
4.788 +0.06-0.08
4.788 +0.060-0.080
L✶
(log10(L⦿))
-1.11299+0.09177-0.11650
-1.0198519+0.0208704-0.0219242
 ---
-1.357 +0.142-0.138
--- --- --- --- --- ---
Age
(Gyr)
--- ---
4.790+6.030-2.900
4.4 +0.8-0.7
--- --- --- --- --- ---
ρ✶
(g/cm3)
3.1239072±0.2058262 --- ---
5.52 +1.53-0.77
--- ---
6.12686 +0.96504-2.63386
2.61555 +3.66186-2.16432
2.61555 +3.66186-2.16432
2.61555 +3.66186-2.16432
M✶
(M⦿)
0.6337200±0.0215474 ---
0.570+0.023-0.033
0.544 +0.041-0.061
--- ---
0.554 +0.028-0.043
0.479 +0.06-0.05
0.479 +0.06-0.05
0.4790 +0.0600-0.0500
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Transit Prediction Service
Kepler Names
KOI
Transit
Source Torres et al. 2015 GajdoĊĦ et al. 2019 Holczer et al. 2016 Morton et al. 2016 Dressing & Charbonneau 2015 Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table Q1-Q17 DR24 KOI Table Q1-Q16 KOI Table Q1-Q12 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
P
(days)
35.23319 +0.00025-0.00029
35.2331929005±0.0003020102 35.23269936±0.00001238 35.23318±0.0002329
35.23301880+0.00022700-0.00022400
 35.2330694±0.0002705 35.2330694±0.0002705 35.23318±0.0002329 35.23318±0.0002329 35.23318±0.0002329
δ
(%)
--- --- 0.0363 --- --- --- 0.03528±0.00275 0.04025±0.00291 0.04025±0.00291 0.04025±0.00291
T14
(hours)
3.48 +0.30-0.41
--- 4.1754 3.757±0.209 --- --- 3.674±0.215 3.757±0.209 3.757±0.209 3.757±0.209
TC
(days)
2455673.0307 +0.0044-0.0032
2455673.03067000±0.00406937 2454968.375397±0.012230 2454968.36096±0.00542 --- 2454968.365±0.00637 2454968.365±0.00637 2454968.361±0.00542 2454968.361±0.00542 2454968.361±0.00542
a/R✶
73 +26-15
--- --- --- --- --- 73.8±11.6 55.6±25.9 55.6±25.9 55.6±25.9
Teq
(K)
--- --- --- --- --- --- 288 273 273 273
b
0.90 +0.08-0.34
--- --- --- --- ---
0.139 +0.323-0.139
0.6614 +0.0322-0.4964
0.6614 +0.0322-0.4964
0.6614 +0.0322-0.4964
S
(S⨁)
1.40 +0.67-0.77
--- --- ---
1.31+0.47-0.38
 ---
1.62 +0.37-0.34
1.31 +0.56-0.33
1.31 +0.56-0.33
1.31 +0.56-0.33
e
>0.03 +0.10-0.03
--- --- --- --- --- 0 0 0 0
i
(deg)
89.86 +0.14-0.32
--- --- --- --- --- 89.89 89.38 89.38 89.38
Rp
(R⨁)
1.12 +0.16-0.17
--- ---
1.13+0.25-0.10
1.01+0.17-0.16
 ---
0.97 +0.06-0.07
0.98 +0.14-0.11
0.98 +0.14-0.11
0.98 +0.14-0.11
Rp
(RJup)
0.10 +0.01-0.02
--- ---
0.101+0.022-0.009
0.0901+0.0152-0.0143
 ---
0.087+0.005-0.006
0.087+0.012-0.010
0.087+0.012-0.010
0.087+0.012-0.010
Rp/R✶
0.0200 +0.0020-0.0018
--- ---
0.019296 +0.004202-0.001219
--- ---
0.016941 +0.00107-0.000725
0.019296 +0.004202-0.001219
0.019296 +0.004202-0.001219
0.019296 +0.004202-0.001219
a
(au)
0.166 +0.051-0.042
--- --- --- --- --- .1729 .1648 .1648 .1648
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 6497146 6497146 6497146 6497146 6497146
KOI Name K03284.01 K03284.01 K03284.01 K03284.01 K03284.01
Kepler Name Kepler-438 b Kepler-438 b Kepler-438 b Kepler-438 b Kepler-438 b
Exoplanet Archive Disposition CONFIRMED CONFIRMED CONFIRMED CONFIRMED CONFIRMED
Vetting Status 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
Disposition Using Kepler Data CANDIDATE CANDIDATE CANDIDATE 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
Orbital Period [days] 35.2330694±0.0002705 35.2330694±0.0002705 35.23318±0.0002329 35.23318±0.0002329 35.23318±0.0002329
Transit Epoch [BKJD] 135.36477±0.00637 135.36477±0.00637 135.36096±0.00542 135.36096±0.00542 135.36096±0.00542
Transit Epoch [BJD] 2454968.365±0.00637 2454968.365±0.00637 2454968.361±0.00542 2454968.361±0.00542 2454968.361±0.00542
Parameters Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi q1_q16_koi q1_q12_koi
Number of Planets 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 kplr006497146-20160209194854_dvr.pdf kplr006497146-20160209194854_dvr.pdf kplr006497146-20141002224145_dvr.pdf kplr006497146-20130815195353_dvr.pdf kplr006497146-20121029204534_dvr.pdf
RA [decimal degrees] 281.64581 281.64581 281.64581 281.64581 281.64581
Dec [decimal degrees] 41.951091999999996 41.951091999999996 41.951091999999996 41.951091999999996 41.951091999999996
Kepler-band [mag] 14.467 14.467 14.467 14.467 14.467
g'-band [mag] 15.987 15.987 15.987 15.987 15.987
r'-band [mag] 14.61 14.61 14.61 14.61 14.61
i'-band [mag] 13.815000000000001 13.815000000000001 13.815000000000001 13.815000000000001 13.815000000000001
z'-band [mag] 13.393 13.393 13.393 13.393 13.393
J-band [mag] 12.13 12.13 12.13 12.13 12.13
H-band [mag] 11.449 11.449 11.449 11.449 11.449
K-band [mag] 11.199 11.199 11.199 11.199 11.199
Disposition Score --- 1.0 --- --- ---
Comment --- NO_COMMENT --- --- ---
Eccentricity --- 0 0 0 0
Impact Parameter ---
0.139 +0.323-0.139
0.6614 +0.0322-0.4964
0.6614 +0.0322-0.4964
0.6614 +0.0322-0.4964
Transit Duration [hrs] --- 3.674±0.215 3.757±0.209 3.757±0.209 3.757±0.209
Transit Depth [ppm] --- 352.8±27.5 402.5±29.1 402.5±29.1 402.5±29.1
Planet-Star Radius Ratio ---
0.016941 +0.00107-0.000725
0.019296 +0.004202-0.001219
0.019296 +0.004202-0.001219
0.019296 +0.004202-0.001219
Fitted Stellar Density [g/cm**3] ---
6.12686 +0.96504-2.63386
2.61555 +3.66186-2.16432
2.61555 +3.66186-2.16432
2.61555 +3.66186-2.16432
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC
Planetary Radius [Earth radii] ---
0.97 +0.06-0.07
0.98 +0.14-0.11
0.98 +0.14-0.11
0.98 +0.14-0.11
Orbit Semi-Major Axis [au] --- .1729 .1648 .1648 .1648
Inclination [deg] --- 89.89 89.38 89.38 89.38
Equilibrium Temperature [K] --- 288 273 273 273
Insolation Flux [Earth flux] ---
1.62 +0.37-0.34
1.31 +0.56-0.33
1.31 +0.56-0.33
1.31 +0.56-0.33
Planet-Star Distance over Star Radius --- 73.8±11.6 55.6±25.9 55.6±25.9 55.6±25.9
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
Limb Darkening Coeff. 4 --- 0.0 0.0 0.0 0.0
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0
Limb Darkening Coeff. 2 --- 0.2107 0.3214 0.3214 0.3214
Limb Darkening Coeff. 1 --- 0.5308 0.4041 0.4041 0.4041
Maximum Single Event Statistic --- 3.8971653 5.315007 --- ---
Maximum Multiple Event Statistic --- 11.920323 12.921686999999999 --- ---
Transit Signal-to-Noise --- 14.5 16.4 16.4 16.4
Number of Transits --- 38 38 --- ---
TCE Planet Number --- 1 1 1 1
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- ---
Odd-Even Depth Comparision Statistic --- 0.612 --- --- ---
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)
Link to DV Summary --- kplr006497146-001-20160209194854_dvs.pdf kplr006497146-001-20141002224145_dvs.pdf kplr006497146-001-20130826182306_dvs.pdf kplr006497146-001-20121115231752_dvs.pdf
Stellar Effective Temperature [K] ---
3749 +75-84
3688 +73-50
3688 +73-50
3688.00 +73.00-50.00
Stellar Surface Gravity [log10(cm/s**2)] --- 4.743±0.033
4.788 +0.06-0.08
4.788 +0.06-0.08
4.788 +0.060-0.080
Stellar Metallicity [dex] --- 0.16±0.15 -0.100±0.100 -0.100±0.100 -0.100±0.100
Stellar Radius [Solar radii] ---
0.524 +0.033-0.037
0.463 +0.07-0.05
0.463 +0.07-0.05
0.4630 +0.0700-0.0500
Stellar Mass [Solar mass] ---
0.554 +0.028-0.043
0.479 +0.06-0.05
0.479 +0.06-0.05
0.4790 +0.0600-0.0500
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16
FW Offset Significance [percent] --- 0.002 0.007 0.025 0.6970000000000001
FW Source α(OOT) [hrs] --- 18.776325±0.000021 18.77634±0.000019 18.776349±0.000021 18.776365000±0.000026000
FW Source δ(OOT) [deg] --- 41.9507±0.00024 41.95078±0.00022 41.95073±0.00025 41.95090000±0.00031000
FW Source Δα(OOT) [sec] --- -2.47±0.86 -1.88±0.77 -1.52±0.83 -0.00200±0.09300
FW Source Δδ(OOT) [arcsec] --- -1.39±0.87 -1.1±0.78 -1.28±0.9 -0.03500±0.07400
FW Δα(OOT) [sec] --- 0.00058±0.00032 0.0004±0.00032 0.00025±0.00032 1e-06±3.6e-05
FW Δδ(OOT) [arcsec] --- 0.00043±0.00032 0.00035±0.00033 0.00042±0.00035 1.4e-05±2.9e-05
PRF ΔαSQ(OOT) [arcsec] --- -0.28±0.42 -0.51±0.32 -0.37±0.47 -0.2900±0.4000
PRF ΔδSQ(OOT) [arcsec] --- -0.03±0.33 0.2±0.82 0.48±0.41 -0.0400±0.6000
PRF ΔθSQ(OOT) [arcsec] --- 0.28±0.42 0.55±0.76 0.6±0.47 0.2900±0.4100
PRF ΔαSQ(KIC) [arcsec] --- -0.48±0.42 -0.67±0.29 -0.54±0.48 -0.4000±0.3800
PRF ΔδSQ(KIC) [arcsec] --- -0±0.33 0.19±0.79 0.46±0.35 0.1000±0.5700
PRF ΔθSQ(KIC) [arcsec] --- 0.48±0.42 0.69±0.69 0.71±0.47 0.4100±0.3900
Known Objects
1 Confirmed Planets
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
3 2MASS Point Source Catalog
Data Files
2 Kepler Time Series
2 SuperWASP Time Series
1 Associated Literature Data
System
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False Positive Planet
Controversial
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