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Kepler-821 Overview

Kepler-821 0.83 R⦿ 5067.00 K
Kepler-821 b
0.117 RJup
Architecture
Kepler-821
Kepler-821
Kepler-821 b
Other Data
Bibliography 16
Exoplanet Archive Notes 1
Nearby Data 7
Discovery Data
Host Planet Method Year Reference Disposition
Kepler-821 Kepler-821 b Transit 2016 Morton et al. 2016 Confirmed Planet
Kepler-821 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
19h02m28.17s
Dec
+39d22m46.09s
Distance
614.571+8.397-8.177
pc
Parallax
1.5985300±0.0217725 mas
Ecliptic Latitude
61.42773 deg
Ecliptic Longitude
295.78735 deg
Galactic Latitude
14.84472 deg
Galactic Longitude
69.92349 deg
Total Proper Motion
12.9936549±0.0397893 mas/yr
Proper Motion (RA)
-7.1144300±0.0404777 mas/yr
Proper Motion (Dec)
-10.8729000±0.0394909 mas/yr
Photometry
mV
15.153±0.126
mTESS
14.2181±0.0073
mJ
13.435±0.023
mH
12.967±0.024
mKs
12.869±0.026
mKep
14.829
mW1
12.832±0.023
mW2
12.893±0.025
mW3
12.475±0.336
mW4
9.26
mGaia
14.817700±0.000544
mB
16.593±0.066
mg
15.5028000±0.0030024
mi
14.4842000±0.0039793
mr
14.7221000±0.0032157
mu
17.6241000±0.0107502
mz
14.3439000±0.0043219
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 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 Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5074.0±122.0 5194±104
4970.0+740.5-73.5
5191.000+130.907-100.749
 5067 5067 ---
5194 +72-83
5155 +172-140
5155 +172-140
5155.00 +172.00-140.00
5119.00±83.00 5067
Metallicity
(dex)
--- --- ---
-0.0300+0.1550-0.1600
[Fe/H] 		--- -0.052 [Fe/H] --- 0.14±0.15 [Fe/H]
-0.060 +0.320-0.260
[Fe/H]
-0.060 +0.320-0.260
[Fe/H]
-0.060 +0.320-0.260
[Fe/H] 		--- ---
R✶
(R⦿)
0.850661
0.800+0.036-0.034
0.83476450+0.02524890-0.20245700
0.800+0.050-0.041
 0.76 0.832 ---
0.815 +0.067-0.033
0.778 +0.153-0.063
0.778 +0.153-0.063
0.7780 +0.1530-0.0630
0.7500±0.0390 .76
log g
(log10(cm/s2))
4.50797 --- ---
4.560+0.031-0.058
 4.58 4.57 ---
4.559 +0.022-0.072
4.563 +0.036-0.119
4.563 +0.036-0.119
4.563 +0.036-0.119
4.570±0.300 4.58
Age
(Gyr)
--- --- ---
4.790+6.130-2.940
 --- --- --- --- --- --- --- 11±3.8 ---
M✶
(M⦿)
0.85 --- ---
0.840+0.042-0.050
 --- --- ---
0.879 +0.035-0.053
0.808 +0.101-0.073
0.808 +0.101-0.073
0.8080 +0.1010-0.0730
0.7640±0.0250 ---
L✶
(log10(L⦿))
-0.3643909 ---
-0.4167518+0.0153866-0.0159518
 --- --- --- --- --- --- --- --- --- ---
ρ✶
(g/cm3)
1.9467727 --- --- --- --- --- ---
2.64520 +0.16610-1.07513
2.35671 +0.13589-0.95869
2.35671 +0.13589-0.95869
2.35671 +0.13589-0.95869
--- ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Transit Prediction Service
Kepler Names
KOI
Transit
Source Morton et al. 2016 GajdoĊĦ et al. 2019 Berger et al. 2018 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)
1.92279873±4.817e-06 1.9227999353±0.0000062248 --- 1.922799706±4.693e-06 1.922799706±4.693e-06 1.92279873±4.817e-06 1.92279873±4.817e-06 1.92279873±4.817e-06 1.92282±1.8e-05
TC
(days)
2454967.50338±0.00208 2454967.50160000±0.00267249 --- 2454967.502±0.00199 2454967.502±0.00199 2454967.503±0.00208 2454967.503±0.00208 2454967.503±0.00208 2454967.4982±0.0026
a/R✶
--- --- --- --- 8.026±0.504 7.723±0.445 7.723±0.445 7.723±0.445 7.2±3.4
Teq
(K)
--- --- --- --- 1215 1194 1194 1194 1169
b
--- --- --- ---
0.036 +0.439-0.036
0.1332 +0.3031-0.1332
0.1332 +0.3031-0.1332
0.1332 +0.3031-0.1332
0.31±0.27
S
(S⨁)
--- ---
496.820+18.436-17.759
 ---
514.44 +122.17-70.37
481.04 +304.45-117.12
481.04 +304.45-117.12
481.04 +304.45-117.12
---
e
--- --- --- --- 0 0 0 0 0
i
(deg)
--- --- --- --- 89.74 88.81 88.81 88.81 87.66
Rp
(R⨁)
1.31+0.10-0.08
 ---
1.257+0.080-0.065
 ---
1.28 +0.11-0.05
1.25 +0.25-0.1
1.25 +0.25-0.1
1.25 +0.25-0.1
1.13±0.08
Rp
(RJup)
0.117+0.009-0.007
 ---
0.1121+0.0071-0.0058
 ---
0.114+0.010-0.004
0.112+0.022-0.009
0.112+0.022-0.009
0.112+0.022-0.009
0.101+0.007-0.007
Rp/R✶
0.014745 +0.000574-0.000391
--- --- ---
0.014398 +0.000652-0.000412
0.014745 +0.000574-0.000391
0.014745 +0.000574-0.000391
0.014745 +0.000574-0.000391
0.01379±0.00068
a
(au)
--- --- --- --- .029 .0282 .0282 .0282 .028
δ
(%)
--- --- --- --- 0.02597±0.00102 0.02706±0.00109 0.02706±0.00109 0.02706±0.00109 0.02350
T14
(hours)
1.9191±0.0642 --- --- --- 1.8604±0.0654 1.9191±0.0642 1.9191±0.0642 1.9191±0.0642 1.9758
Print
Kepler Detection Products (4 File Types, 16 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 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 4243911 4243911 4243911 4243911 4243911 4243911 4243911
KOI Name K01337.01 K01337.01 K01337.01 K01337.01 K01337.01 K01337.01 K01337.01
Kepler Name Kepler-821 b Kepler-821 b Kepler-821 b Kepler-821 b Kepler-821 b Kepler-821 b Kepler-821 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] 1.922799706±4.693e-06 1.922799706±4.693e-06 1.92279873±4.817e-06 1.92279873±4.817e-06 1.92279873±4.817e-06 1.92282±1.8e-05 1.92282±1.8e-05
Transit Epoch [BKJD] 134.50174±0.00199 134.50174±0.00199 134.50338±0.00208 134.50338±0.00208 134.50338±0.00208 134.4982±0.0026 134.4982±0.0026
Transit Epoch [BJD] 2454967.502±0.00199 2454967.502±0.00199 2454967.503±0.00208 2454967.503±0.00208 2454967.503±0.00208 2454967.4982±0.0026 2454967.4982±0.0026
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 kplr004243911-20160209194854_dvr.pdf kplr004243911-20160209194854_dvr.pdf kplr004243911-20141002224145_dvr.pdf kplr004243911-20130815195353_dvr.pdf kplr004243911-20121029204534_dvr.pdf --- ---
RA [decimal degrees] 285.61746 285.61746 285.61746 285.61746 285.61746 285.61746 285.61746
Dec [decimal degrees] 39.379532 39.379532 39.379532 39.379532 39.379532 39.379532 39.379532
Kepler-band [mag] 14.829 14.829 14.829 14.829 14.829 14.829 14.829
g'-band [mag] 15.533000000000001 15.533000000000001 15.533000000000001 15.533000000000001 15.533000000000001 15.533000000000001 15.533000000000001
r'-band [mag] 14.759 14.759 14.759 14.759 14.759 14.759 14.759
i'-band [mag] 14.527000000000001 14.527000000000001 14.527000000000001 14.527000000000001 14.527000000000001 14.527000000000001 14.527000000000001
z'-band [mag] 14.405000000000001 14.405000000000001 14.405000000000001 14.405000000000001 14.405000000000001 14.405000000000001 14.405000000000001
J-band [mag] 13.435 13.435 13.435 13.435 13.435 13.435 13.435
H-band [mag] 12.967 12.967 12.967 12.967 12.967 12.967 12.967
K-band [mag] 12.869 12.869 12.869 12.869 12.869 12.869 12.869
Disposition Score --- 1.0 --- --- --- --- ---
Comment --- NO_COMMENT --- --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
0.036 +0.439-0.036
0.1332 +0.3031-0.1332
0.1332 +0.3031-0.1332
0.1332 +0.3031-0.1332
0.31±0.27 0.31±0.52
Transit Duration [hrs] --- 1.8604±0.0654 1.9191±0.0642 1.9191±0.0642 1.9191±0.0642 1.9758 1.9758
Transit Depth [ppm] --- 259.7±10.2 270.6±10.9 270.6±10.9 270.6±10.9 235 237
Planet-Star Radius Ratio ---
0.014398 +0.000652-0.000412
0.014745 +0.000574-0.000391
0.014745 +0.000574-0.000391
0.014745 +0.000574-0.000391
0.01379±0.00068 0.01379±0.00068
Fitted Stellar Density [g/cm**3] ---
2.64520 +0.16610-1.07513
2.35671 +0.13589-0.95869
2.35671 +0.13589-0.95869
2.35671 +0.13589-0.95869
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
1.28 +0.11-0.05
1.25 +0.25-0.1
1.25 +0.25-0.1
1.25 +0.25-0.1
1.13±0.08 1.15
Orbit Semi-Major Axis [au] --- .029 .0282 .0282 .0282 .028 .028
Inclination [deg] --- 89.74 88.81 88.81 88.81 87.66 ---
Equilibrium Temperature [K] --- 1215 1194 1194 1194 1169 1166
Insolation Flux [Earth flux] ---
514.44 +122.17-70.37
481.04 +304.45-117.12
481.04 +304.45-117.12
481.04 +304.45-117.12
--- ---
Planet-Star Distance over Star Radius --- 8.026±0.504 7.723±0.445 7.723±0.445 7.723±0.445 7.2±3.4 7.2±3.4
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 -0.5463 ---
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 1.2249 ---
Limb Darkening Coeff. 2 --- 0.19140000000000001 0.1862 0.1862 0.1862 -0.47900000000000004 ---
Limb Darkening Coeff. 1 --- 0.5167 0.522 0.522 0.522 0.5993 ---
Maximum Single Event Statistic --- 3.8570523 6.3715234 --- --- --- ---
Maximum Multiple Event Statistic --- 24.998683999999997 26.973300000000002 --- --- --- ---
Transit Signal-to-Noise --- 30.1 30.6 30.6 30.6 34.0 22.7
Number of Transits --- 700 700 --- --- --- ---
TCE Planet Number --- 1 1 1 1 --- ---
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.6009 --- --- --- --- ---
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 --- kplr004243911-001-20160209194854_dvs.pdf kplr004243911-001-20141002224145_dvs.pdf kplr004243911-001-20130826182306_dvs.pdf kplr004243911-001-20121115231752_dvs.pdf --- ---
Stellar Effective Temperature [K] ---
5194 +72-83
5155 +172-140
5155 +172-140
5155.00 +172.00-140.00
5119.00±83.00 5067
Stellar Surface Gravity [log10(cm/s**2)] ---
4.559 +0.022-0.072
4.563 +0.036-0.119
4.563 +0.036-0.119
4.563 +0.036-0.119
4.570±0.300 4.58
Stellar Metallicity [dex] --- 0.14±0.15
-0.060 +0.320-0.260
-0.060 +0.320-0.260
-0.060 +0.320-0.260
--- ---
Stellar Radius [Solar radii] ---
0.815 +0.067-0.033
0.778 +0.153-0.063
0.778 +0.153-0.063
0.7780 +0.1530-0.0630
0.7500±0.0390 .76
Stellar Mass [Solar mass] ---
0.879 +0.035-0.053
0.808 +0.101-0.073
0.808 +0.101-0.073
0.8080 +0.1010-0.0730
0.7640±0.0250 ---
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault KIC
FW Offset Significance [percent] --- 0.219 0.0 --- 0.37 0.14200000000000002 ---
FW Source α(OOT) [hrs] --- 19.041159±0.00001 19.041183±0.000011 19.0411577±0.0000092 19.041166000±0.000013000 19.041173000±0.000014000 ---
FW Source δ(OOT) [deg] --- 39.37935±0.00012 39.37936±0.00013 39.37939±0.00012 39.37942000±0.00015000 39.37949000±0.00017000 ---
FW Source Δα(OOT) [sec] --- -0.17±0.44 0.82±0.44 -0.24±0.39 0.03200±0.04700 0.05400±0.05200 ---
FW Source Δδ(OOT) [arcsec] --- -0.65±0.44 -0.62±0.47 -0.5±0.42 -0.01000±0.03600 0.00700±0.04100 ---
FW Δα(OOT) [sec] --- -3e-05±0.00011 -0.00028±0.00012 --- -9e-06±1.3e-05 -1.44e-05±6.9e-06 ---
FW Δδ(OOT) [arcsec] --- 0.0001±0.00011 9e-05±0.00012 8e-05±0.00012 2.8e-06±9.7e-06 -1.9e-06±5.5e-06 ---
PRF ΔαSQ(OOT) [arcsec] --- 0.02±0.17 -0.06±0.17 -0.17±0.16 -0.0600±0.1100 -0.0100±0.1600 ---
PRF ΔδSQ(OOT) [arcsec] --- 0.05±0.13 0.07±0.15 -0.01±0.15 0.1500±0.1400 0.1800±0.1400 ---
PRF ΔθSQ(OOT) [arcsec] --- 0.05±0.14 0.09±0.18 0.17±0.18 0.1600±0.1400 0.1800±0.1400 ---
PRF ΔαSQ(KIC) [arcsec] --- -0.09±0.16 -0.19±0.17 -0.3±0.16 -0.1900±0.1200 -0.1300±0.1600 ---
PRF ΔδSQ(KIC) [arcsec] --- -0.08±0.13 -0.06±0.15 -0.17±0.15 0.0300±0.1400 0.0600±0.1400 ---
PRF ΔθSQ(KIC) [arcsec] --- 0.12±0.15 0.2±0.18 0.34±0.18 0.1900±0.1200 0.1500±0.1600 ---
Chi-Square --- --- --- --- --- 1.1500000000000001 1.19
Stellar Age [Gyr] --- --- --- --- --- 11±3.8 ---
Known Objects
1 Confirmed Planets
1 Kepler Objects of Interest (KOIs)
2 Threshold Crossing Events (TCEs)
3 2MASS Point Source Catalog
Data Files
1 Kepler Time Series
1 SuperWASP Time Series
1 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
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Time Series
Kepler | K2
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