Kepler-818 Overview

  • Star: Kepler-818
    • Stellar Radius: 0.76 Solar Radius
    • Stellar Effective Temperature: 5589.00 K
    • Planet: Kepler-818 b
      • Disposition Confirmed
      • Planet Radius 0.456 Jupiter Radius

Kepler-818 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
Kepler-818
Kepler-818 b 10.04 d 5.11 R⨁ Transit 2016 Morton et al. 2016 Confirmed Planet
Kepler-818 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
19h44m56.43s
Dec
+39d22m13.03s
Distance
925.037+30.617-28.747
pc
Parallax
1.053770±0.034376 mas
Ecliptic Latitude
59.07221 deg
Ecliptic Longitude
311.67175 deg
Galactic Latitude
7.47435 deg
Galactic Longitude
73.59645 deg
Total Proper Motion
10.5413601±0.0629475 mas/yr
Proper Motion (RA)
-3.9483900±0.0538287 mas/yr
Proper Motion (Dec)
-9.773970±0.064313 mas/yr
Photometry
mV 15.368±0.080
mTESS 14.5479±0.0108
mJ 13.882±0.028
mH 13.476±0.024
mKs 13.448±0.042
mKep 15.062
mW1 13.228±0.024
mW2 13.314±0.026
mW3 12.86
mW4 9.179
mGaia 15.056900±0.000404
mB 15.897±0.069
mg ---
mi ---
mr ---
mz ---
Source TICv8 Berger et al. 2018 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
Teff
(K)
5624.0±122.0 5831±204
5345.000+18.500-83.875
5638.000+214.119-110.990
5589 5589 ---
5813 +157-174
5835 +156-165
5835 +156-165
5835.00 +156.00-165.00
5843.00±93.00 5589
R✶
(R⦿)
0.913187
0.873+0.073-0.066
0.94907890+0.03050240-0.00653593
0.9200+0.1420-0.0770
0.76 0.630 ---
0.833 +0.213-0.071
0.847 +0.309-0.069
0.847 +0.309-0.069
0.8470 +0.3090-0.0690
0.8800±0.2800 .76
log g
(log10(cm/s2))
4.51695 --- ---
4.490+0.060-0.118
4.61 4.83 ---
4.561 +0.042-0.168
4.554 +0.031-0.264
4.554 +0.031-0.264
4.554 +0.031-0.264
4.540±0.300 4.61
L✶
(log10(L⦿))
-0.1240050 ---
-0.17890980+0.03210101-0.03466451
--- --- --- --- --- --- --- --- --- ---
Metallicity
(dex)
--- --- ---
-0.0800+0.1490-0.1810
[Fe/H]
--- -0.255 [Fe/H] --- -0.28±0.3 [Fe/H] -0.240±0.280 [Fe/H] -0.240±0.280 [Fe/H] -0.240±0.280 [Fe/H] --- ---
Age
(Gyr)
--- --- ---
3.98+4.51-2.35
--- --- --- --- --- --- --- 0.4±3.2 ---
M✶
(M⦿)
1.0 --- ---
0.9400+0.0700-0.0610
--- --- ---
0.925 +0.101-0.111
0.935 +0.092-0.11
0.935 +0.092-0.11
0.9350 +0.0920-0.1100
0.9880±0.0510 ---
ρ✶
(g/cm3)
1.8513416 --- --- --- --- --- ---
2.45043 +0.09733-0.45195
2.45874 +0.02309-0.49972
2.45874 +0.02309-0.49972
2.45874 +0.02309-0.49972
--- ---
Source Morton et al. 2016 Gajdoš et al. 2019 Berger et al. 2018 Holczer 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
P
(days)
10.035385814±6.587e-06 10.0354072958±0.0000054633 --- 10.03538976±0.00000066 10.035381809±6.475e-06 10.035381809±6.475e-06 10.035385814±6.587e-06 10.035385814±6.587e-06 10.035385814±6.587e-06 10.035355±2.2e-05
TC
(days)
2454970.47131±0.00055
(JD)
2454970.46816000±0.00041479
(BJD)
--- 2454970.470698±0.000578
(BJD)
2454970.471±0.00054
(BJD)
2454970.471±0.00054
(BJD)
2454970.471±0.000549
(BJD)
2454970.471±0.000549
(BJD)
2454970.471±0.000549
(BJD)
2454970.47116±0.00079
(BJD)
δ
(%)
--- --- --- 0.3141 --- 0.28297±0.00217 0.30960±0.00244 0.30960±0.00244 0.30960±0.00244 0.28440
T14
(hours)
3.4185±0.0237 --- --- 3.6104 --- 3.4062±0.0265 3.4185±0.0237 3.4185±0.0237 3.4185±0.0237 3.398
Rp
(R⨁)
5.11+0.79-0.43
---
4.631+0.393-0.351
--- ---
4.42 +1.13-0.38
4.69 +1.72-0.38
4.69 +1.72-0.38
4.69 +1.72-0.38
4.6±1.5
Rp
(RJup)
0.456+0.070-0.038
---
0.4132+0.0351-0.0313
--- ---
0.394+0.101-0.034
0.418+0.153-0.034
0.418+0.153-0.034
0.418+0.153-0.034
0.410+0.134-0.134
Rp/R✶
0.050751 +0.000611-0.000313
--- --- --- ---
0.048571 +0.00075-0.000314
0.050751 +0.000611-0.000313
0.050751 +0.000611-0.000313
0.050751 +0.000611-0.000313
0.0482±0.00027
a/R✶
--- --- --- --- --- 23.541±0.935 23.567±0.221 23.567±0.221 23.567±0.221 23.65±0.52
Teq
(K)
--- --- --- --- --- 786 793 793 793 801
b
--- --- --- --- ---
0.079 +0.284-0.079
0.0217 +0.2835-0.0217
0.0217 +0.2835-0.0217
0.0217 +0.2835-0.0217
0.0282±0.1
S
(S⨁)
--- ---
100.779+7.906-7.247
--- ---
90.33 +68.12-23.39
93.54 +100.10-23.17
93.54 +100.10-23.17
93.54 +100.10-23.17
---
e
--- --- --- --- --- 0 0 0 0 0
i
(deg)
--- --- --- --- --- 89.81 89.95 89.95 89.95 89.95
a
(au)
--- --- --- --- --- .0886 .0892 .0892 .0892 .091
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 4282872 4282872 4282872 4282872 4282872 4282872 4282872
KOI Name K01325.01 K01325.01 K01325.01 K01325.01 K01325.01 K01325.01 K01325.01
Kepler Name Kepler-818 b Kepler-818 b Kepler-818 b Kepler-818 b Kepler-818 b Kepler-818 b Kepler-818 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] 10.035381809±6.475e-06 10.035381809±6.475e-06 10.035385814±6.587e-06 10.035385814±6.587e-06 10.035385814±6.587e-06 10.035355±2.2e-05 10.035355±2.2e-05
Transit Epoch [BKJD] 137.471481±0.00054 137.471481±0.00054 137.47131±0.000549 137.47131±0.000549 137.47131±0.000549 137.47116±0.00079 137.47116±0.00079
Transit Epoch [BJD] 2454970.471±0.00054 2454970.471±0.00054 2454970.471±0.000549 2454970.471±0.000549 2454970.471±0.000549 2454970.47116±0.00079 2454970.47116±0.00079
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 kplr004282872-20160209194854_dvr.pdf kplr004282872-20160209194854_dvr.pdf kplr004282872-20141002224145_dvr.pdf kplr004282872-20130815195353_dvr.pdf kplr004282872-20121029204534_dvr.pdf --- ---
RA [decimal degrees] 296.23511 296.23511 296.23511 296.23511 296.23511 296.23511 296.23511
Dec [decimal degrees] 39.370338 39.370338 39.370338 39.370338 39.370338 39.370338 39.370338
Kepler-band [mag] 15.062 15.062 15.062 15.062 15.062 15.062 15.062
g'-band [mag] 15.566 15.566 15.566 15.566 15.566 15.566 15.566
r'-band [mag] 15.019 15.019 15.019 15.019 15.019 15.019 15.019
i'-band [mag] 14.846 14.846 14.846 14.846 14.846 14.846 14.846
z'-band [mag] 14.789 14.789 14.789 14.789 14.789 14.789 14.789
J-band [mag] 13.882 13.882 13.882 13.882 13.882 13.882 13.882
H-band [mag] 13.476 13.476 13.476 13.476 13.476 13.476 13.476
K-band [mag] 13.448 13.448 13.448 13.448 13.448 13.448 13.448
Disposition Score --- 1.0 --- --- --- --- ---
Comment --- NO_COMMENT --- --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
0.079 +0.284-0.079
0.0217 +0.2835-0.0217
0.0217 +0.2835-0.0217
0.0217 +0.2835-0.0217
0.0282±0.1 0.028±0.022
Transit Duration [hrs] --- 3.4062±0.0265 3.4185±0.0237 3.4185±0.0237 3.4185±0.0237 3.398 3.398
Transit Depth [ppm] --- 2829.7±21.7 3096±24.4 3096±24.4 3096±24.4 2844 2879
Planet-Star Radius Ratio ---
0.048571 +0.00075-0.000314
0.050751 +0.000611-0.000313
0.050751 +0.000611-0.000313
0.050751 +0.000611-0.000313
0.0482±0.00027 0.0482±0.00027
Fitted Stellar Density [g/cm**3] ---
2.45043 +0.09733-0.45195
2.45874 +0.02309-0.49972
2.45874 +0.02309-0.49972
2.45874 +0.02309-0.49972
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
4.42 +1.13-0.38
4.69 +1.72-0.38
4.69 +1.72-0.38
4.69 +1.72-0.38
4.6±1.5 4
Orbit Semi-Major Axis [au] --- .0886 .0892 .0892 .0892 .091 .087
Inclination [deg] --- 89.81 89.95 89.95 89.95 89.95 ---
Equilibrium Temperature [K] --- 786 793 793 793 801 729
Insolation Flux [Earth flux] ---
90.33 +68.12-23.39
93.54 +100.10-23.17
93.54 +100.10-23.17
93.54 +100.10-23.17
--- ---
Planet-Star Distance over Star Radius --- 23.541±0.935 23.567±0.221 23.567±0.221 23.567±0.221 23.65±0.52 23.65±0.52
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 -0.1673 ---
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 0.1796 ---
Limb Darkening Coeff. 2 --- 0.2787 0.2854 0.2854 0.2854 0.2876 ---
Limb Darkening Coeff. 1 --- 0.3728 0.3606 0.3606 0.3606 0.434 ---
Maximum Single Event Statistic --- 18.218279 19.76078 --- --- --- ---
Maximum Multiple Event Statistic --- 139.00804 144.06058 --- --- --- ---
Transit Signal-to-Noise --- 150.9 148.5 148.5 148.5 154.9 117.9
Number of Transits --- 107 107 --- --- --- ---
TCE Planet Number --- 1 1 1 1 --- ---
Quarters --- 11111011101110111000000000000000 11111011101110111000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.6847 --- --- --- --- ---
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 --- kplr004282872-001-20160209194854_dvs.pdf kplr004282872-001-20141002224145_dvs.pdf kplr004282872-001-20130826182306_dvs.pdf kplr004282872-001-20121115231752_dvs.pdf --- ---
Stellar Effective Temperature [K] ---
5813 +157-174
5835 +156-165
5835 +156-165
5835.00 +156.00-165.00
5843.00±93.00 5589
Stellar Surface Gravity [log10(cm/s**2)] ---
4.561 +0.042-0.168
4.554 +0.031-0.264
4.554 +0.031-0.264
4.554 +0.031-0.264
4.540±0.300 4.61
Stellar Metallicity [dex] --- -0.28±0.3 -0.240±0.280 -0.240±0.280 -0.240±0.280 --- ---
Stellar Radius [Solar radii] ---
0.833 +0.213-0.071
0.847 +0.309-0.069
0.847 +0.309-0.069
0.8470 +0.3090-0.0690
0.8800±0.2800 .76
Stellar Mass [Solar mass] ---
0.925 +0.101-0.111
0.935 +0.092-0.11
0.935 +0.092-0.11
0.9350 +0.0920-0.1100
0.9880±0.0510 ---
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] --- 19.7490029±0.0000024 19.7490023±0.0000025 19.7489991±0.0000024 19.748996600±0.000002900 19.748996600±0.000003300 ---
FW Source δ(OOT) [deg] --- 39.370255±0.000028 39.370265±0.000028 39.370266±0.000027 39.37028200±0.00003500 39.37023400±0.00004000 ---
FW Source Δα(OOT) [sec] --- -0.16±0.1 -0.18±0.11 -0.317±0.098 0.03400±0.01000 0.03700±0.01200 ---
FW Source Δδ(OOT) [arcsec] --- -0.3±0.1 -0.27±0.1 -0.268±0.099 0.01580±0.00830 0.01110±0.00950 ---
FW Δα(OOT) [sec] --- -0.0015±0.00034 -0.00194±0.00037 -0.00153±0.00037 -0.000105±3.9e-05 -0.000115±1.8e-05 ---
FW Δδ(OOT) [arcsec] --- -0.00079±0.00036 -0.0006±0.00039 -0.00051±0.00041 -4.9e-05±3.4e-05 -3.4e-05±1.5e-05 ---
PRF ΔαSQ(OOT) [arcsec] --- 0.16±0.086 0.161±0.084 0.161±0.088 0.1280±0.0590 0.1010±0.0760 ---
PRF ΔδSQ(OOT) [arcsec] --- 0.042±0.074 0.038±0.073 0.038±0.074 0.0350±0.0360 0.0560±0.0300 ---
PRF ΔθSQ(OOT) [arcsec] --- 0.165±0.088 0.165±0.087 0.165±0.087 0.1330±0.0580 0.1150±0.0680 ---
PRF ΔαSQ(KIC) [arcsec] --- -0.051±0.083 -0.051±0.08 -0.046±0.079 -0.0750±0.0580 -0.1200±0.0700 ---
PRF ΔδSQ(KIC) [arcsec] --- -0.12±0.072 -0.121±0.073 -0.122±0.072 -0.1340±0.0230 -0.1160±0.0200 ---
PRF ΔθSQ(KIC) [arcsec] --- 0.13±0.077 0.131±0.078 0.13±0.076 0.1540±0.0350 0.1670±0.0520 ---
Chi-Square --- --- --- --- --- 1.22 1.22
Stellar Age [Gyr] --- --- --- --- --- 0.4±3.2 ---
Known Objects
1 Confirmed Planets
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
10 2MASS Point Source Catalog
Data Files
5 Kepler Time Series
1 Associated Literature Data
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