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Kepler-494 Overview

Kepler-494 1.40 R⦿ 6000.00 K
Χ
Kepler-494 b
0.800 RJup
Architecture
Kepler-494
Kepler-494
Kepler-494 b
Other Data
Bibliography 17
Exoplanet Archive Notes 2
Nearby Data 5
Discovery Data
Host Planet Method Year Reference Disposition
Kepler-494 Kepler-494 b Transit 2016 Morton et al. 2016 False Positive Planet
Kepler-494 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)
  • Confirmed planet demoted after planet mass revised >30 MJup in ref. (Cañas et al. 2023)
RA
19h48m51.37s
Dec
+41d39m50.43s
Distance
750.177 pc
Parallax
---
Ecliptic Latitude
60.94733 deg
Ecliptic Longitude
314.70654 deg
Galactic Latitude
7.94859 deg
Galactic Longitude
75.98232 deg
Total Proper Motion
7.5257781±2.0996203 mas/yr
Proper Motion (RA)
-5.27652±2.09960 mas/yr
Proper Motion (Dec)
-5.36616±2.09964 mas/yr
Photometry
mV
14.287±0.080
mTESS
13.6051±0.0060
mJ
12.899±0.023
mH
12.540±0.026
mKs
12.468±0.021
mKep
14.153
mW1
12.416±0.023
mW2
12.443±0.024
mW3
12.92
mW4
9.498
mGaia
14.121900±0.000616
mB
15.200±0.057
mg
---
mi
---
mr
---
mz
---
Abundances
(Hypatia Catalog)
[Fe/H] 0.17±0.04 dex
[C/H] -0.01±0.09 dex
[O/H] 0.20±0.09 dex
[Na/H] 0.06±0.04 dex
[Mg/H] 0.08±0.07 dex
[Al/H] -0.09±0.06 dex
[Si/H] 0.13±0.05 dex
[Ca/H] 0.25±0.06 dex
[Y/H] -0.05±0.08 dex
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 Cañas et al. 2023 Gaia DR2 Morton et al. 2016 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)
6000±100
5189.5+210.5-229.5
6007.000+105.195-100.663
 5347 5347 --- 6002±120
5513 +184-142
5513 +184-142
5513.00 +184.00-142.00
5596.00±72.00 5347
Metallicity
(dex)
0.16±0.02 [Fe/H] ---
0.0200+0.0840-0.0990
[Fe/H] 		--- -0.564 [Fe/H] --- 0±0.15 [Fe/H]
-0.580 +0.360-0.280
[Fe/H]
-0.580 +0.360-0.280
[Fe/H]
-0.580 +0.360-0.280
[Fe/H] 		--- ---
Age
(Gyr)
5+3-2
 ---
4.79+1.41-1.74
 --- --- --- --- --- --- --- 0.8±2.6 ---
ρ✶
(g/cm3)
0.5+0.4-0.3
 --- --- --- --- ---
0.37629 +0.13853-0.00546
0.49096 +0.04582-0.01890
0.49096 +0.04582-0.01890
0.49096 +0.04582-0.01890
--- ---
M✶
(M⦿)
1.1+0.2-0.1
 ---
1.100+0.075-0.058
 --- --- ---
1.073 +0.102-0.082
0.77 +0.101-0.067
0.77 +0.101-0.067
0.7700 +0.1010-0.0670
0.9200±0.2200 ---
R✶
(R⦿)
1.4+0.5-0.3
 ---
1.260+0.233-0.177
 0.67 0.697 --- 1.369±0.241
0.704 +0.187-0.044
0.704 +0.187-0.044
0.7040 +0.1870-0.0440
0.8200±0.8000 .67
log g
(log10(cm/s2))
4.2±0.2 ---
4.280+0.122-0.121
 4.67 4.73 ---
4.196 +0.162-0.108
4.63 +0.028-0.159
4.63 +0.028-0.159
4.630 +0.028-0.159
4.570±0.300 4.67
Print
Status
False Positive Planet
Detected By
Radial Velocity, Transit
Tools
Transit Prediction Service
KOI
Source Cañas et al. 2023 Gajdoš et al. 2019 Holczer et al. 2016 Morton et al. 2016 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
P
(days)
8.025118±0.000002 8.0251213286±0.0000009425 8.02511979±0.00000031 8.025118213±2.273e-06 8.025118521±3.166e-06 8.025118521±3.166e-06 8.025118213±2.273e-06 8.025118213±2.273e-06 8.025118213±2.273e-06 8.0251044±8e-06
Rp
(R⨁)
9.0+3.4-2.2
 --- ---
7.14+1.32-1.00
 --- 7.79±1.37
4.02 +1.06-0.25
4.02 +1.06-0.25
4.02 +1.06-0.25
5±4.9
Rp
(RJup)
0.80+0.30-0.20
 --- ---
0.637+0.118-0.089
 --- --- --- --- --- ---
Rp/R✶
0.0539+0.0005-0.0011
 --- ---
0.052254 +0.000158-0.000345
---
0.052128 +3.8e-05-0.001171
0.052254 +0.000158-0.000345
0.052254 +0.000158-0.000345
0.052254 +0.000158-0.000345
0.05638±0.0001
T14
(hours)
--- --- 5.5323 5.3189±0.0172 --- 5.3694±0.0396 5.3189±0.0172 5.3189±0.0172 5.3189±0.0172 5.7437
TC
(days)
2454965.4689±0.0003 2454965.46873000±0.00009618 2454965.468834±0.000276 2454965.469125±0.000227 2454965.469±0.000325 2454965.469±0.000325 2454965.469±0.000227 2454965.469±0.000227 2454965.469±0.000227 2454965.46865±0.00037
a/R✶
11.8+1.0-0.5
 --- --- --- --- 10.86±4 11.87±1.1 11.87±1.1 11.87±1.1 7.719±0.065
Teq
(K)
--- --- --- --- --- 1093 760 760 760 811
b
--- --- --- --- ---
0.454 +0.042-0.323
0.224 +0.0486-0.2239
0.224 +0.0486-0.2239
0.224 +0.0486-0.2239
0.7745±0.1
S
(S⨁)
--- --- --- --- ---
336.73 +167.37-125.86
79.04 +65.33-16.46
79.04 +65.33-16.46
79.04 +65.33-16.46
---
e
0.26±0.02 --- --- --- --- 0 0 0 0 0
i
(deg)
87.4+0.5-0.3
 --- --- --- --- 87.6 88.81 88.81 88.81 84.22
a
(au)
0.080+0.030-0.020
 --- --- --- --- .0804 .072 .072 .072 .076
δ
(%)
--- --- 0.3234 --- --- 0.31204±0.00106 0.32479±0.00078 0.32479±0.00078 0.32479±0.00078 0.31250
ω
(deg)
-63±4 --- --- --- --- --- --- --- --- ---
Mp
(M⨁)
11760+1271-636
 --- --- --- --- --- --- --- --- ---
Mp
(MJup)
37+4-2
 --- --- --- --- --- --- --- --- ---
ρ
(g/cm3)
100+100-60
 --- --- --- --- --- --- --- --- ---
K
(m/s)
3.47+0.10-0.09
 --- --- --- --- --- --- --- --- ---
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 6305192 6305192 6305192 6305192 6305192 6305192 6305192
KOI Name K00219.01 K00219.01 K00219.01 K00219.01 K00219.01 K00219.01 K00219.01
Kepler Name Kepler-494 b Kepler-494 b Kepler-494 b Kepler-494 b Kepler-494 b Kepler-494 b Kepler-494 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] 8.025118521±3.166e-06 8.025118521±3.166e-06 8.025118213±2.273e-06 8.025118213±2.273e-06 8.025118213±2.273e-06 8.0251044±8e-06 8.0251044±8e-06
Transit Epoch [BKJD] 132.469133±0.000325 132.469133±0.000325 132.469125±0.000227 132.469125±0.000227 132.469125±0.000227 132.46865±0.00037 132.46865±0.00037
Transit Epoch [BJD] 2454965.469±0.000325 2454965.469±0.000325 2454965.469±0.000227 2454965.469±0.000227 2454965.469±0.000227 2454965.46865±0.00037 2454965.46865±0.00037
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 kplr006305192-20160209194854_dvr.pdf kplr006305192-20160209194854_dvr.pdf kplr006305192-20141002224145_dvr.pdf kplr006305192-20130815195353_dvr.pdf kplr006305192-20121029204534_dvr.pdf --- ---
RA [decimal degrees] 297.21407999999997 297.21407999999997 297.21407999999997 297.21407999999997 297.21407999999997 297.21407999999997 297.21407999999997
Dec [decimal degrees] 41.66404 41.66404 41.66404 41.66404 41.66404 41.66404 41.66404
Kepler-band [mag] 14.153 14.153 14.153 14.153 14.153 14.153 14.153
g'-band [mag] 14.685 14.685 14.685 14.685 14.685 14.685 14.685
r'-band [mag] 14.109 14.109 14.109 14.109 14.109 14.109 14.109
i'-band [mag] 13.925 13.925 13.925 13.925 13.925 13.925 13.925
z'-band [mag] 13.823 13.823 13.823 13.823 13.823 13.823 13.823
J-band [mag] 12.899000000000001 12.899000000000001 12.899000000000001 12.899000000000001 12.899000000000001 12.899000000000001 12.899000000000001
H-band [mag] 12.540000000000001 12.540000000000001 12.540000000000001 12.540000000000001 12.540000000000001 12.540000000000001 12.540000000000001
K-band [mag] 12.468 12.468 12.468 12.468 12.468 12.468 12.468
Disposition Score --- 1.0 --- --- --- --- ---
Comment --- NO_COMMENT --- --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
0.454 +0.042-0.323
0.224 +0.0486-0.2239
0.224 +0.0486-0.2239
0.224 +0.0486-0.2239
0.7745±0.1 0.774±0.049
Transit Duration [hrs] --- 5.3694±0.0396 5.3189±0.0172 5.3189±0.0172 5.3189±0.0172 5.7437 5.7437
Transit Depth [ppm] --- 3120.4±10.6 3247.9±7.8 3247.9±7.8 3247.9±7.8 3125 3142
Planet-Star Radius Ratio ---
0.052128 +3.8e-05-0.001171
0.052254 +0.000158-0.000345
0.052254 +0.000158-0.000345
0.052254 +0.000158-0.000345
0.05638±0.0001 0.05638±0.0001
Fitted Stellar Density [g/cm**3] ---
0.37629 +0.13853-0.00546
0.49096 +0.04582-0.01890
0.49096 +0.04582-0.01890
0.49096 +0.04582-0.01890
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] --- 7.79±1.37
4.02 +1.06-0.25
4.02 +1.06-0.25
4.02 +1.06-0.25
5±4.9 4.09
Orbit Semi-Major Axis [au] --- .0804 .072 .072 .072 .076 .072
Inclination [deg] --- 87.6 88.81 88.81 88.81 84.22 ---
Equilibrium Temperature [K] --- 1093 760 760 760 811 717
Insolation Flux [Earth flux] ---
336.73 +167.37-125.86
79.04 +65.33-16.46
79.04 +65.33-16.46
79.04 +65.33-16.46
--- ---
Planet-Star Distance over Star Radius --- 10.86±4 11.87±1.1 11.87±1.1 11.87±1.1 7.719±0.065 7.719±0.065
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 -0.33590000000000003 ---
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 0.6032000000000001 ---
Limb Darkening Coeff. 2 --- 0.2904 0.3019 0.3019 0.3019 -0.012 ---
Limb Darkening Coeff. 1 --- 0.3534 0.34490000000000004 0.34490000000000004 0.34490000000000004 0.5021 ---
Maximum Single Event Statistic --- 40.004295 43.554801999999995 --- --- --- ---
Maximum Multiple Event Statistic --- 393.82916 399.84744 --- --- --- ---
Transit Signal-to-Noise --- 373.0 533.4 533.4 533.4 583.7 324.8
Number of Transits --- 169 168 --- --- --- ---
TCE Planet Number --- 1 1 1 1 --- ---
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.9238000000000001 --- --- --- --- ---
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 --- kplr006305192-001-20160209194854_dvs.pdf kplr006305192-001-20141002224145_dvs.pdf kplr006305192-001-20130826182306_dvs.pdf kplr006305192-001-20121115231752_dvs.pdf --- ---
Stellar Effective Temperature [K] --- 6002±120
5513 +184-142
5513 +184-142
5513.00 +184.00-142.00
5596.00±72.00 5347
Stellar Surface Gravity [log10(cm/s**2)] ---
4.196 +0.162-0.108
4.63 +0.028-0.159
4.63 +0.028-0.159
4.630 +0.028-0.159
4.570±0.300 4.67
Stellar Metallicity [dex] --- 0±0.15
-0.580 +0.360-0.280
-0.580 +0.360-0.280
-0.580 +0.360-0.280
--- ---
Stellar Radius [Solar radii] --- 1.369±0.241
0.704 +0.187-0.044
0.704 +0.187-0.044
0.7040 +0.1870-0.0440
0.8200±0.8000 .67
Stellar Mass [Solar mass] ---
1.073 +0.102-0.082
0.77 +0.101-0.067
0.77 +0.101-0.067
0.7700 +0.1010-0.0670
0.9200±0.2200 ---
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] --- 19.81426939±0.00000068 19.81427029±0.00000069 19.81427106±0.00000073 19.814270970±0.000000860 19.814270740±0.000000930 ---
FW Source δ(OOT) [deg] --- 41.6640105±0.000007 41.6640107±0.0000077 41.6640177±0.0000075 41.66401380±0.00000930 41.66402500±0.00001000 ---
FW Source Δα(OOT) [sec] --- -0.134±0.028 -0.097±0.028 -0.066±0.029 0.00990±0.00310 0.00920±0.00330 ---
FW Source Δδ(OOT) [arcsec] --- -0.106±0.025 -0.105±0.028 -0.08±0.027 -0.00310±0.00220 -0.00070±0.00250 ---
FW Δα(OOT) [sec] --- -0.00024±0.00011 -0.00026±0.00011 -0.00036±0.00012 -3.3e-05±1.3e-05 -2.98e-05±5.4e-06 ---
FW Δδ(OOT) [arcsec] --- 0.00021±0.00012 0.00018±0.00013 0.0001±0.00013 1e-05±1.1e-05 2.2e-06±4e-06 ---
PRF ΔαSQ(OOT) [arcsec] --- 0.004±0.069 0.006±0.069 0.006±0.069 -0.0030±0.0210 0.0050±0.0240 ---
PRF ΔδSQ(OOT) [arcsec] --- -0.075±0.068 -0.075±0.068 -0.073±0.069 -0.0540±0.0170 -0.0550±0.0200 ---
PRF ΔθSQ(OOT) [arcsec] --- 0.075±0.068 0.075±0.068 0.073±0.069 0.0540±0.0170 0.0550±0.0200 ---
PRF ΔαSQ(KIC) [arcsec] --- -0.007±0.07 -0.002±0.07 0.002±0.07 -0.0100±0.0250 0.0020±0.0250 ---
PRF ΔδSQ(KIC) [arcsec] --- -0.112±0.069 -0.119±0.069 -0.111±0.068 -0.0930±0.0210 -0.0830±0.0250 ---
PRF ΔθSQ(KIC) [arcsec] --- 0.112±0.069 0.119±0.069 0.111±0.069 0.0930±0.0210 0.0830±0.0250 ---
Chi-Square --- --- --- --- --- 1.3900000000000001 1.44
Stellar Age [Gyr] --- --- --- --- --- 0.8±2.6 ---
Known Objects
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
5 2MASS Point Source Catalog
Data Files
1 Kepler Time Series
1 SuperWASP Time Series
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
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Time Series
Kepler | K2
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