NASA
Exoplanet
Archive
A
service of
NASA
Exoplanet
Science
Institute

KOI-838 Overview

KOI-838 1.40 R⦿ 6535.53 K
Χ
KOI-838.01
Architecture
KOI-838
KOI-838
KOI-838.01
Other Data
Bibliography 11
Nearby Data 4
Discovery Data
Host Planet Method Year Reference Disposition
KOI-838 KOI-838.01 Transit 2013 Q1-Q6 KOI Table False Positive Candidate
RA
19h28m51.44s
Dec
+40d45m35.03s
Distance
2215.58±140.44 pc
Parallax
0.4229060±0.0279066 mas
Ecliptic Latitude
61.39578 deg
Ecliptic Longitude
306.7382 deg
Galactic Latitude
10.84357 deg
Galactic Longitude
73.38233 deg
Total Proper Motion
7.4785949±0.0481263 mas/yr
Proper Motion (RA)
-1.9251900±0.0499561 mas/yr
Proper Motion (Dec)
-7.2265500±0.0479938 mas/yr
Photometry
mV
15.443±0.046
mTESS
14.8195±0.0070
mJ
14.173±0.034
mH
13.785±0.037
mKs
13.634±0.050
mKep
15.311
mW1
13.511±0.026
mW2
13.643±0.031
mW3
12.536
mW4
9.259
mGaia
15.305900±0.000503
mB
15.958±0.063
mg
15.812
mi
15.097
mr
15.269
mz
15.033
Mission
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
KOI
Kepler Stellar Data
Kepler Positional Probabilities
Q1-Q17 DR25 False Positive Probabilities
Kepler Certified False Positive
Q1-Q16 DR25 TCE
Kepler Time Series
Kepler TCE Time Series
Source TICv8 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)
6535.530±181.306 5794 5794 ---
6072 +168-232
6061 +164-205
6061 +164-205
6061.00 +164.00-205.00
6045.00±127.00 5794
L✶
(log10(L⦿))
0.5076729 --- --- --- --- --- --- --- --- ---
Metallicity
(dex)
0.2097200±0.0139752 [M/H] --- -0.095 [Fe/H] ---
-0.1 +0.25-0.3
[Fe/H]
-0.100 +0.220-0.300
[Fe/H]
-0.100 +0.220-0.300
[Fe/H]
-0.100 +0.220-0.300
[Fe/H] 		--- ---
ρ✶
(g/cm3)
0.6945721 --- --- ---
0.45630 +0.36487-0.03196
0.48682 +0.08164-0.02128
0.48682 +0.08164-0.02128
0.48682 +0.08164-0.02128
--- ---
M✶
(M⦿)
1.35 --- --- ---
1.05 +0.139-0.153
1.038 +0.183-0.127
1.038 +0.183-0.127
1.0380 +0.1830-0.1270
1.0400±0.1100 ---
R✶
(R⦿)
1.39935 0.92 0.991 ---
0.988 +0.33-0.11
0.983 +0.423-0.093
0.983 +0.423-0.093
0.9830 +0.4230-0.0930
0.9800±0.4500 .92
log g
(log10(cm/s2))
4.27655 4.50 4.47 ---
4.47 +0.056-0.224
4.471 +0.049-0.3
4.471 +0.049-0.3
4.471 +0.049-0.300
4.470±0.300 4.5
Age
(Gyr)
--- --- --- --- --- --- --- --- 1.7±2 ---
Print
Status
False Positive Candidate
Detected By
Transit
Tools
Transit Prediction Service
KOI
Source 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
a/R✶
--- 8.29±3.3 8.47±1.4 8.47±1.4 8.47±1.4 8.6±1.4
Teq
(K)
--- 1114 1110 1110 1110 1107
b
---
1.259 +1.089-0.178
1.202 +0.3944-0.0609
1.202 +0.3944-0.0609
1.202 +0.3944-0.0609
0.998±0.1
S
(S⨁)
---
364.23 +358.71-118.09
359.20 +458.49-102.61
359.20 +458.49-102.61
359.20 +458.49-102.61
---
e
--- 0 0 0 0 0
i
(deg)
--- 81.27 81.93 81.93 81.93 83.08
P
(days)
4.859386384±1.272e-06 4.859386384±1.272e-06 4.859386668±1.108e-06 4.859386668±1.108e-06 4.859386668±1.108e-06 4.8593843±3.8e-06
Rp
(R⨁)
---
38.33 +12.8-4.27
32.95 +14.18-3.12
32.95 +14.18-3.12
32.95 +14.18-3.12
13.2±6.9
Rp/R✶
---
0.355227 +1.064835-0.16072
0.306944 +0.374099-0.055663
0.306944 +0.374099-0.055663
0.306944 +0.374099-0.055663
0.123±0.031
a
(au)
--- .0571 .057 .057 .057 .057
δ
(%)
--- 0.60443±0.00272 0.65395±0.00255 0.65395±0.00255 0.65395±0.00255 0.57110
T14
(hours)
--- 2.2757±0.0122 2.27367±0.00966 2.27367±0.00966 2.27367±0.00966 2.2473
TC
(days)
2455006.011±0.000207 2455006.011±0.000207 2455006.011±0.000181 2455006.011±0.000181 2455006.011±0.000181 2455006.01083±0.00026
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 5534814 5534814 5534814 5534814 5534814 5534814 5534814
KOI Name K00838.01 K00838.01 K00838.01 K00838.01 K00838.01 K00838.01 K00838.01
Exoplanet Archive Disposition FALSE POSITIVE FALSE POSITIVE CANDIDATE NOT DISPOSITIONED NOT DISPOSITIONED CANDIDATE CANDIDATE
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 FALSE POSITIVE FALSE POSITIVE CANDIDATE NOT DISPOSITIONED NOT DISPOSITIONED CANDIDATE CANDIDATE
Not Transit-Like False Positive Flag 0 0 0 0 0 --- ---
Stellar Eclipse False Positive Flag 1 1 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] 4.859386384±1.272e-06 4.859386384±1.272e-06 4.859386668±1.108e-06 4.859386668±1.108e-06 4.859386668±1.108e-06 4.8593843±3.8e-06 4.8593843±3.8e-06
Transit Epoch [BKJD] 173.011469±0.000207 173.011469±0.000207 173.011377±0.000181 173.011377±0.000181 173.011377±0.000181 173.01083±0.00026 173.01083±0.00026
Transit Epoch [BJD] 2455006.011±0.000207 2455006.011±0.000207 2455006.011±0.000181 2455006.011±0.000181 2455006.011±0.000181 2455006.01083±0.00026 2455006.01083±0.00026
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 kplr005534814-20160209194854_dvr.pdf kplr005534814-20160209194854_dvr.pdf kplr005534814-20141002224145_dvr.pdf kplr005534814-20130815195353_dvr.pdf kplr005534814-20121029204534_dvr.pdf --- ---
RA [decimal degrees] 292.21436 292.21436 292.21436 292.21436 292.21436 292.21436 292.21436
Dec [decimal degrees] 40.759761999999995 40.759761999999995 40.759761999999995 40.759761999999995 40.759761999999995 40.759761999999995 40.759761999999995
Kepler-band [mag] 15.311 15.311 15.311 15.311 15.311 15.311 15.311
g'-band [mag] 15.812000000000001 15.812000000000001 15.812000000000001 15.812000000000001 15.812000000000001 15.812000000000001 15.812000000000001
r'-band [mag] 15.269 15.269 15.269 15.269 15.269 15.269 15.269
i'-band [mag] 15.097000000000001 15.097000000000001 15.097000000000001 15.097000000000001 15.097000000000001 15.097000000000001 15.097000000000001
z'-band [mag] 15.033000000000001 15.033000000000001 15.033000000000001 15.033000000000001 15.033000000000001 15.033000000000001 15.033000000000001
J-band [mag] 14.173 14.173 14.173 14.173 14.173 14.173 14.173
H-band [mag] 13.785 13.785 13.785 13.785 13.785 13.785 13.785
K-band [mag] 13.634 13.634 13.634 13.634 13.634 13.634 13.634
Disposition Score --- 0.0 --- --- --- --- ---
Comment --- DEEP_V_SHAPED --- --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
1.259 +1.089-0.178
1.202 +0.3944-0.0609
1.202 +0.3944-0.0609
1.202 +0.3944-0.0609
0.998±0.1 1±0.31
Transit Duration [hrs] --- 2.2757±0.0122 2.27367±0.00966 2.27367±0.00966 2.27367±0.00966 2.2473 2.2473
Transit Depth [ppm] --- 6044.3±27.2 6539.5±25.5 6539.5±25.5 6539.5±25.5 5711 5304
Planet-Star Radius Ratio ---
0.355227 +1.064835-0.16072
0.306944 +0.374099-0.055663
0.306944 +0.374099-0.055663
0.306944 +0.374099-0.055663
0.123±0.031 0.123±0.031
Fitted Stellar Density [g/cm**3] ---
0.45630 +0.36487-0.03196
0.48682 +0.08164-0.02128
0.48682 +0.08164-0.02128
0.48682 +0.08164-0.02128
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
38.33 +12.8-4.27
32.95 +14.18-3.12
32.95 +14.18-3.12
32.95 +14.18-3.12
13.2±6.9 12.34
Orbit Semi-Major Axis [au] --- .0571 .057 .057 .057 .057 .056
Inclination [deg] --- 81.27 81.93 81.93 81.93 83.08 ---
Equilibrium Temperature [K] --- 1114 1110 1110 1110 1107 1036
Insolation Flux [Earth flux] ---
364.23 +358.71-118.09
359.20 +458.49-102.61
359.20 +458.49-102.61
359.20 +458.49-102.61
--- ---
Planet-Star Distance over Star Radius --- 8.29±3.3 8.47±1.4 8.47±1.4 8.47±1.4 8.6±1.4 8.6±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 -0.0005 ---
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 -0.2177 ---
Limb Darkening Coeff. 2 --- 0.2889 0.29400000000000004 0.29400000000000004 0.29400000000000004 0.5527000000000001 ---
Limb Darkening Coeff. 1 --- 0.3511 0.34490000000000004 0.34490000000000004 0.34490000000000004 0.3773 ---
Maximum Single Event Statistic --- 30.702702 38.221195 --- --- --- ---
Maximum Multiple Event Statistic --- 300.96277 323.7742 --- --- --- ---
Transit Signal-to-Noise --- 269.7 318.2 318.2 318.2 284.2 170.6
Number of Transits --- 273 275 --- --- --- ---
TCE Planet Number --- 1 1 1 1 --- ---
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.7838 --- --- --- --- ---
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 --- kplr005534814-001-20160209194854_dvs.pdf kplr005534814-001-20141002224145_dvs.pdf kplr005534814-001-20130826182306_dvs.pdf kplr005534814-001-20121115231752_dvs.pdf --- ---
Stellar Effective Temperature [K] ---
6072 +168-232
6061 +164-205
6061 +164-205
6061.00 +164.00-205.00
6045.00±127.00 5794
Stellar Surface Gravity [log10(cm/s**2)] ---
4.47 +0.056-0.224
4.471 +0.049-0.3
4.471 +0.049-0.3
4.471 +0.049-0.300
4.470±0.300 4.5
Stellar Metallicity [dex] ---
-0.1 +0.25-0.3
-0.100 +0.220-0.300
-0.100 +0.220-0.300
-0.100 +0.220-0.300
--- ---
Stellar Radius [Solar radii] ---
0.988 +0.33-0.11
0.983 +0.423-0.093
0.983 +0.423-0.093
0.9830 +0.4230-0.0930
0.9800±0.4500 .92
Stellar Mass [Solar mass] ---
1.05 +0.139-0.153
1.038 +0.183-0.127
1.038 +0.183-0.127
1.0380 +0.1830-0.1270
1.0400±0.1100 ---
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault KIC
FW Offset Significance [percent] --- 0.0 0.0 0.0 0.0 0.0 ---
FW Source α(OOT) [hrs] --- 19.48095458±0.0000009 19.48095345±0.00000084 19.4809553±0.00000078 19.480955470±0.000000960 19.480956400±0.000001000 ---
FW Source δ(OOT) [deg] --- 40.7597138±0.0000096 40.7597083±0.0000088 40.7597004±0.0000085 40.75970600±0.00001000 40.75970600±0.00001100 ---
FW Source Δα(OOT) [sec] --- -0.14±0.037 -0.186±0.034 -0.111±0.032 -0.00470±0.00350 -0.00490±0.00370 ---
FW Source Δδ(OOT) [arcsec] --- -0.166±0.035 -0.186±0.032 -0.214±0.031 0.01680±0.00250 0.01690±0.00270 ---
FW Δα(OOT) [sec] --- 0.00068±0.00045 0.00139±0.00051 0.0005±0.00054 3e-05±6.2e-05 3.1e-05±1.1e-05 ---
FW Δδ(OOT) [arcsec] --- -0.00167±0.00055 -0.00138±0.00064 -0.00144±0.00069 -0.000109±6e-05 -0.0001057±8.3e-06 ---
PRF ΔαSQ(OOT) [arcsec] --- -0.138±0.073 -0.141±0.074 -0.142±0.069 -0.1360±0.0240 -0.1310±0.0290 ---
PRF ΔδSQ(OOT) [arcsec] --- 0.088±0.07 0.086±0.07 0.076±0.07 0.0750±0.0230 0.0890±0.0220 ---
PRF ΔθSQ(OOT) [arcsec] --- 0.163±0.071 0.165±0.073 0.161±0.07 0.1550±0.0240 0.1580±0.0270 ---
PRF ΔαSQ(KIC) [arcsec] --- -0.139±0.084 -0.099±0.086 -0.161±0.077 -0.1510±0.0460 -0.1740±0.0550 ---
PRF ΔδSQ(KIC) [arcsec] --- -0.098±0.069 -0.099±0.069 -0.108±0.069 -0.0980±0.0250 -0.1030±0.0270 ---
PRF ΔθSQ(KIC) [arcsec] --- 0.17±0.082 0.14±0.083 0.194±0.078 0.1800±0.0410 0.2020±0.0500 ---
Chi-Square --- --- --- --- --- 1.43 1.44
Stellar Age [Gyr] --- --- --- --- --- 1.7±2 ---
Known Objects
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
12 2MASS Point Source Catalog
Data Files
1 Kepler Time Series
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.