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KOI-8238 Overview

KOI-8238 1.00 R⦿ 5403.00 K
?
KOI-8238.01
Architecture
KOI-8238
KOI-8238
KOI-8238.01
Other Data
Bibliography 6
Nearby Data 5
Discovery Data
Host Planet Method Year Reference Disposition
KOI-8238 KOI-8238.01 Transit 2017 Q1-Q17 DR25 KOI Table Candidate Planet
RA
19h16m21.82s
Dec
+51d31m55.67s
Distance
696.443+10.264-9.975
pc
Parallax
1.407200±0.020703 mas
Ecliptic Latitude
72.21083 deg
Ecliptic Longitude
311.75602 deg
Galactic Latitude
17.27278 deg
Galactic Longitude
82.57058 deg
Total Proper Motion
28.4691528±0.0338310 mas/yr
Proper Motion (RA)
11.8616000±0.0368638 mas/yr
Proper Motion (Dec)
25.8804000±0.0331587 mas/yr
Photometry
mV
14.553±0.137
mTESS
13.8153±0.0078
mJ
13.067±0.022
mH
12.697±0.029
mKs
12.608±0.025
mKep
14.322
mW1
12.421±0.023
mW2
12.490±0.022
mW3
12.160±0.197
mW4
9.581
mGaia
14.337300±0.000282
mB
15.704±0.067
mg
14.888
mi
14.079
mr
14.275
mz
13.982
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 Latham et al. 2005 Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5403.0±122.0 5311 --- 5515±193
L✶
(log10(L⦿))
-0.1133685 --- --- ---
ρ✶
(g/cm3)
1.3188587 --- ---
3.13843 +99.19381-1.62880
M✶
(M⦿)
0.94 --- ---
0.791 +0.108-0.063
R✶
(R⦿)
1.00161 0.906 ---
0.82 +0.17-0.099
log g
(log10(cm/s2))
4.4098 4.52 ---
4.509 +0.077-0.132
Metallicity
(dex)
--- -0.343 [Fe/H] ---
-0.34 +0.35-0.3
[Fe/H]
Print
Status
Candidate Planet
Detected By
Transit
Tools
Transit Prediction Service
KOI
Source Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table
P
(days)
495.662346±0.006736 495.662346±0.006736
TC
(days)
2455394.413±0.00823 2455394.413±0.00823
a/R✶
--- 344±170
Teq
(K)
--- 207
b
---
0.949 +0.018-0.679
S
(S⨁)
---
0.43 +0.29-0.14
e
--- 0
i
(deg)
--- 89.84
Rp
(R⨁)
---
2.73 +0.56-0.33
Rp/R✶
---
0.030468 +0.001593-0.008092
a
(au)
--- 1.1347
δ
(%)
--- 0.06757±0.00776
T14
(hours)
--- 4.428±0.35
Print
Kepler Detection Products (4 File Types, 7 Files)
Kepler Pipeline Data Validation Reports q1_q17_dr25_tce
Kepler Pipeline Data Validation Summaries q1_q17_dr25_tce
Kepler TCERT Reports 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_q17_dr25_tce
Kepler Object of Interest
KepID 12554485 12554485
KOI Name K08238.01 K08238.01
Exoplanet Archive Disposition CANDIDATE CANDIDATE
Vetting Status Done Done
Date of Last Parameter Update 2018-08-16 2017-08-31
Disposition Using Kepler Data CANDIDATE CANDIDATE
Not Transit-Like False Positive Flag 0 0
Stellar Eclipse False Positive Flag 0 0
Centroid Offset False Positive Flag 0 0
Ephemeris Match Indicates Contamination False Positive Flag 0 0
Disposition Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi
Orbital Period [days] 495.662346±0.006736 495.662346±0.006736
Transit Epoch [BKJD] 561.4127±0.00823 561.4127±0.00823
Transit Epoch [BJD] 2455394.413±0.00823 2455394.413±0.00823
Parameters Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi
Number of Planets 1 1
TCE Delivery q1_q17_dr25_tce q1_q17_dr25_tce
Link to DV Report kplr012554485-20160209194854_dvr.pdf kplr012554485-20160209194854_dvr.pdf
RA [decimal degrees] 289.09082 289.09082
Dec [decimal degrees] 51.532008999999995 51.532008999999995
Kepler-band [mag] 14.322000000000001 14.322000000000001
g'-band [mag] 14.888 14.888
r'-band [mag] 14.275 14.275
i'-band [mag] 14.079 14.079
z'-band [mag] 13.982000000000001 13.982000000000001
J-band [mag] 13.067 13.067
H-band [mag] 12.697000000000001 12.697000000000001
K-band [mag] 12.608 12.608
Disposition Score --- 0.444
Comment --- CENT_FEW_DIFFS
Eccentricity --- 0
Impact Parameter ---
0.949 +0.018-0.679
Transit Duration [hrs] --- 4.428±0.35
Transit Depth [ppm] --- 675.7±77.6
Planet-Star Radius Ratio ---
0.030468 +0.001593-0.008092
Fitted Stellar Density [g/cm**3] ---
3.13843 +99.19381-1.62880
Planetary Fit Type --- LS+MCMC
Planetary Radius [Earth radii] ---
2.73 +0.56-0.33
Orbit Semi-Major Axis [au] --- 1.1347
Inclination [deg] --- 89.84
Equilibrium Temperature [K] --- 207
Insolation Flux [Earth flux] ---
0.43 +0.29-0.14
Planet-Star Distance over Star Radius --- 344±170
Limb Darkening Model --- Claret (2011 A&A 529 75) ATLAS LS
Limb Darkening Coeff. 4 --- 0.0
Limb Darkening Coeff. 3 --- 0.0
Limb Darkening Coeff. 2 --- 0.2521
Limb Darkening Coeff. 1 --- 0.42100000000000004
Maximum Single Event Statistic --- 5.451124
Maximum Multiple Event Statistic --- 8.735097999999999
Transit Signal-to-Noise --- 10.200000000000001
Number of Transits --- 3
TCE Planet Number --- 1
Quarters --- 00011111111111111000000000000000
Odd-Even Depth Comparision Statistic --- 0.7302000000000001
Transit Model --- Mandel and Agol (2002 ApJ 580 171)
Link to DV Summary --- kplr012554485-001-20160209194854_dvs.pdf
Stellar Effective Temperature [K] --- 5515±193
Stellar Surface Gravity [log10(cm/s**2)] ---
4.509 +0.077-0.132
Stellar Metallicity [dex] ---
-0.34 +0.35-0.3
Stellar Radius [Solar radii] ---
0.82 +0.17-0.099
Stellar Mass [Solar mass] ---
0.791 +0.108-0.063
Stellar Parameter Provenance --- q1_q17_dr25_stellar
FW Offset Significance [percent] --- 0.08800000000000001
FW Source α(OOT) [hrs] --- 19.272702±0.000037
FW Source δ(OOT) [deg] --- 51.53152±0.0004
FW Source Δα(OOT) [sec] --- -0.7±1.2
FW Source Δδ(OOT) [arcsec] --- -1.8±1.4
FW Δα(OOT) [sec] --- 0.0003±0.00085
FW Δδ(OOT) [arcsec] --- 0.00106±0.00099
PRF ΔαSQ(OOT) [arcsec] --- -0.29±0.31
PRF ΔδSQ(OOT) [arcsec] --- -0.14±0.34
PRF ΔθSQ(OOT) [arcsec] --- 0.32±0.31
PRF ΔαSQ(KIC) [arcsec] --- -0.25±0.31
PRF ΔδSQ(KIC) [arcsec] --- 0.26±0.34
PRF ΔθSQ(KIC) [arcsec] --- 0.36±0.32
Known Objects
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
4 2MASS Point Source Catalog
Data Files
2 Kepler Time Series
2 SuperWASP Time Series
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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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.