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Kepler-857 Overview

Kepler-857 0.56 R⦿ 5455.00 K
Kepler-857 b
0.607 RJup
Architecture
Kepler-857
Kepler-857
Kepler-857 b
Discovery Data
Host Planet Orbital Separation Planet Size Method Year Reference Disposition
Kepler-857 Kepler-857 b 85.35 d 6.8 R⨁ Transit 2016 Morton et al. 2016 Confirmed Planet
Kepler-857 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
19h38m31.78s
Dec
+43d24m01.63s
Distance
983.5020+23.9880-22.8890
pc
Parallax
0.98852200±0.02403250 mas
Ecliptic Latitude
63.26647 deg
Ecliptic Longitude
312.31014 deg
Galactic Latitude
10.44943 deg
Galactic Longitude
76.60594 deg
Total Proper Motion
5.0180122±0.0475074 mas/yr
Proper Motion (RA)
-4.1429000±0.0459253 mas/yr
Proper Motion (Dec)
-2.831400±0.050729 mas/yr
Photometry
mV
15.167±0.126
mTESS
14.5517±0.0082
mJ
13.847±0.025
mH
13.499±0.031
mKs
13.403±0.037
mKep
15.061
mW1
13.361±0.028
mW2
13.413±0.032
mW3
12.470±0.344
mW4
9.192
mGaia
15.063800±0.000387
mB
15.543±0.067
mg
15.599
mi
14.831
mr
15.020
mz
14.757
Mission
Tools
Planetary Systems
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)
5612.0±122.0 5582±112
5353.0+19.5-28.0
5773.000+125.457-173.798
 5455 5455 ---
5584 +75-83
5635 +153-149
5635 +153-149
5635.00 +153.00-149.00
5638.00±77.00 5455
Metallicity
(dex)
--- --- ---
0.0200+0.1250-0.1750
[Fe/H] 		--- -0.242 [Fe/H] --- 0.14±0.15 [Fe/H]
-0.260 +0.320-0.280
[Fe/H]
-0.260 +0.320-0.280
[Fe/H]
-0.260 +0.320-0.280
[Fe/H] 		--- ---
R✶
(R⦿)
0.974318
0.9630+0.0490-0.0460
1.0049634+0.0105964-0.0072820
0.9900+0.2470-0.0990
 0.72 0.555 ---
0.938 +0.127-0.054
0.804 +0.269-0.063
0.804 +0.269-0.063
0.8040 +0.2690-0.0630
0.8300±0.3200 .72
log g
(log10(cm/s2))
4.4563 --- ---
4.450+0.073-0.174
 4.64 4.92 ---
4.478 +0.045-0.113
4.569 +0.032-0.214
4.569 +0.032-0.214
4.569 +0.032-0.214
4.570±0.300 4.64
Age
(Gyr)
--- --- ---
4.27+3.18-2.50
 --- --- --- --- --- --- --- 0.5±3.9 ---
M✶
(M⦿)
0.99 --- ---
0.9900+0.0750-0.0660
 --- --- ---
0.966 +0.05-0.055
0.876 +0.093-0.091
0.876 +0.093-0.091
0.8760 +0.0930-0.0910
0.9350±0.0630 ---
L✶
(log10(L⦿))
-0.07143287 ---
-0.1266159+0.0263443-0.0280461
 --- --- --- --- --- --- --- --- --- ---
ρ✶
(g/cm3)
1.5090358 --- --- --- --- --- ---
2.79021 +0.00206-0.50665
2.76360 +0.09015-0.35568
2.76360 +0.09015-0.35568
2.76360 +0.09015-0.35568
--- ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
Kepler Names
KOI
Transit
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 Show Candidate Solutions >> << Hide Candidate Solutions
a/R✶
--- --- --- --- --- 102.4237±0.0756 102.1±3.3 102.1±3.3 102.1±3.3 75±18
Teq
(K)
--- --- --- --- --- 390 370 370 370 372
b
--- --- --- --- ---
0.052 +0.227-0.052
0.1071 +0.1861-0.107
0.1071 +0.1861-0.107
0.1071 +0.1861-0.107
0.684±0.1
S
(S⨁)
--- ---
5.747+0.347-0.326
 --- ---
5.44 +1.96-0.89
4.43 +4.35-1.05
4.43 +4.35-1.05
4.43 +4.35-1.05
---
e
--- --- --- --- --- 0 0 0 0 0
i
(deg)
--- --- --- --- --- 89.97 89.95 89.95 89.95 89.38
P
(days)
85.35129427±9.562e-05 85.3514661016±0.0000775274 --- 85.35141921±0.00000173 85.3514875±0.0001029 85.3514875±0.0001029 85.35129427±9.562e-05 85.35129427±9.562e-05 85.35129427±9.562e-05 85.35172±0.0003
Rp
(R⨁)
6.80+1.70-0.68
 ---
6.479+0.339-0.314
 --- ---
6.31 +0.86-0.36
5.56 +1.86-0.43
5.56 +1.86-0.43
5.56 +1.86-0.43
6.1±2.3
Rp
(RJup)
0.607+0.152-0.061
 ---
0.5780+0.0302-0.0280
 --- ---
0.563+0.077-0.032
0.496+0.166-0.038
0.496+0.166-0.038
0.496+0.166-0.038
0.544+0.205-0.205
Rp/R✶
0.063366 +0.000637-0.000426
--- --- --- ---
0.06161 +0.000734-0.000302
0.063366 +0.000637-0.000426
0.063366 +0.000637-0.000426
0.063366 +0.000637-0.000426
0.0677±0.0015
a
(au)
--- --- --- --- --- .3751 .3629 .3629 .3629 .371
δ
(%)
--- --- --- 0.4823 --- 0.46747±0.00366 0.48748±0.00348 0.48748±0.00348 0.48748±0.00348 0.48340
T14
(hours)
6.7568±0.04 --- --- 6.5999 --- 6.7504±0.0404 6.7568±0.04 6.7568±0.04 6.7568±0.04 7.1533
TC
(days)
2454994.009326±0.000882
(JD)
2454994.00760000±0.00072743
(BJD)
--- 2454994.008790±0.001523
(BJD)
2454994.008±0.000939
(BJD)
2454994.008±0.000939
(BJD)
2454994.009±0.000882
(BJD)
2454994.009±0.000882
(BJD)
2454994.009±0.000882
(BJD)
2454994.0049±0.0012
(BJD)
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 7761545 7761545 7761545 7761545 7761545 7761545 7761545
KOI Name K01472.01 K01472.01 K01472.01 K01472.01 K01472.01 K01472.01 K01472.01
Kepler Name Kepler-857 b Kepler-857 b Kepler-857 b Kepler-857 b Kepler-857 b Kepler-857 b Kepler-857 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 CANDIDATE 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] 85.3514875±0.0001029 85.3514875±0.0001029 85.35129427±9.562e-05 85.35129427±9.562e-05 85.35129427±9.562e-05 85.35172±0.0003 85.35172±0.0003
Transit Epoch [BKJD] 161.007608±0.000939 161.007608±0.000939 161.009326±0.000882 161.009326±0.000882 161.009326±0.000882 161.0049±0.0012 161.0049±0.0012
Transit Epoch [BJD] 2454994.008±0.000939 2454994.008±0.000939 2454994.009±0.000882 2454994.009±0.000882 2454994.009±0.000882 2454994.0049±0.0012 2454994.0049±0.0012
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 kplr007761545-20160209194854_dvr.pdf kplr007761545-20160209194854_dvr.pdf kplr007761545-20141002224145_dvr.pdf kplr007761545-20130815195353_dvr.pdf kplr007761545-20121029204534_dvr.pdf --- ---
RA [decimal degrees] 294.63239 294.63239 294.63239 294.63239 294.63239 294.63239 294.63239
Dec [decimal degrees] 43.400470999999996 43.400470999999996 43.400470999999996 43.400470999999996 43.400470999999996 43.400470999999996 43.400470999999996
Kepler-band [mag] 15.061 15.061 15.061 15.061 15.061 15.061 15.061
g'-band [mag] 15.599 15.599 15.599 15.599 15.599 15.599 15.599
r'-band [mag] 15.02 15.02 15.02 15.02 15.02 15.02 15.02
i'-band [mag] 14.831000000000001 14.831000000000001 14.831000000000001 14.831000000000001 14.831000000000001 14.831000000000001 14.831000000000001
z'-band [mag] 14.757000000000001 14.757000000000001 14.757000000000001 14.757000000000001 14.757000000000001 14.757000000000001 14.757000000000001
J-band [mag] 13.847000000000001 13.847000000000001 13.847000000000001 13.847000000000001 13.847000000000001 13.847000000000001 13.847000000000001
H-band [mag] 13.499 13.499 13.499 13.499 13.499 13.499 13.499
K-band [mag] 13.403 13.403 13.403 13.403 13.403 13.403 13.403
Disposition Score --- 0.936 --- --- --- --- ---
Comment --- NO_COMMENT --- --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
0.052 +0.227-0.052
0.1071 +0.1861-0.107
0.1071 +0.1861-0.107
0.1071 +0.1861-0.107
0.684±0.1 0.68±0.3
Transit Duration [hrs] --- 6.7504±0.0404 6.7568±0.04 6.7568±0.04 6.7568±0.04 7.1533 7.1533
Transit Depth [ppm] --- 4674.7±36.6 4874.8±34.8 4874.8±34.8 4874.8±34.8 4834 4883
Planet-Star Radius Ratio ---
0.06161 +0.000734-0.000302
0.063366 +0.000637-0.000426
0.063366 +0.000637-0.000426
0.063366 +0.000637-0.000426
0.0677±0.0015 0.0677±0.0015
Fitted Stellar Density [g/cm**3] ---
2.79021 +0.00206-0.50665
2.76360 +0.09015-0.35568
2.76360 +0.09015-0.35568
2.76360 +0.09015-0.35568
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
6.31 +0.86-0.36
5.56 +1.86-0.43
5.56 +1.86-0.43
5.56 +1.86-0.43
6.1±2.3 5.33
Orbit Semi-Major Axis [au] --- .3751 .3629 .3629 .3629 .371 .356
Inclination [deg] --- 89.97 89.95 89.95 89.95 89.38 ---
Equilibrium Temperature [K] --- 390 370 370 370 372 343
Insolation Flux [Earth flux] ---
5.44 +1.96-0.89
4.43 +4.35-1.05
4.43 +4.35-1.05
4.43 +4.35-1.05
--- ---
Planet-Star Distance over Star Radius --- 102.4237±0.0756 102.1±3.3 102.1±3.3 102.1±3.3 75±18 75±18
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 --- 0.2291 0.2664 0.2664 0.2664 0.2876 ---
Limb Darkening Coeff. 1 --- 0.46030000000000004 0.39640000000000003 0.39640000000000003 0.39640000000000003 0.434 ---
Maximum Single Event Statistic --- 45.288081999999996 42.28241 --- --- --- ---
Maximum Multiple Event Statistic --- 143.4172 137.96134999999998 --- --- --- ---
Transit Signal-to-Noise --- 142.8 163.5 163.5 163.5 186.9 132.8
Number of Transits --- 17 17 --- --- --- ---
TCE Planet Number --- 1 1 1 1 --- ---
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.20370000000000002 --- --- --- --- ---
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 --- kplr007761545-001-20160209194854_dvs.pdf kplr007761545-001-20141002224145_dvs.pdf kplr007761545-001-20130826182306_dvs.pdf kplr007761545-001-20121115231752_dvs.pdf --- ---
Stellar Effective Temperature [K] ---
5584 +75-83
5635 +153-149
5635 +153-149
5635.00 +153.00-149.00
5638.00±77.00 5455
Stellar Surface Gravity [log10(cm/s**2)] ---
4.478 +0.045-0.113
4.569 +0.032-0.214
4.569 +0.032-0.214
4.569 +0.032-0.214
4.570±0.300 4.64
Stellar Metallicity [dex] --- 0.14±0.15
-0.260 +0.320-0.280
-0.260 +0.320-0.280
-0.260 +0.320-0.280
--- ---
Stellar Radius [Solar radii] ---
0.938 +0.127-0.054
0.804 +0.269-0.063
0.804 +0.269-0.063
0.8040 +0.2690-0.0630
0.8300±0.3200 .72
Stellar Mass [Solar mass] ---
0.966 +0.05-0.055
0.876 +0.093-0.091
0.876 +0.093-0.091
0.8760 +0.0930-0.0910
0.9350±0.0630 ---
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] --- 19.642161±0.0000025 19.6421629±0.0000025 19.642159±0.0000024 19.642162800±0.000003000 19.642163800±0.000003400 ---
FW Source δ(OOT) [deg] --- 43.400534±0.000029 43.400489±0.000028 43.400496±0.000028 43.40043500±0.00003400 43.40042700±0.00003700 ---
FW Source Δα(OOT) [sec] --- 0.091±0.098 0.165±0.099 0.011±0.094 -0.03000±0.01100 -0.03400±0.01200 ---
FW Source Δδ(OOT) [arcsec] --- 0.23±0.1 0.07±0.1 0.09±0.1 -0.01960±0.00810 -0.02240±0.00890 ---
FW Δα(OOT) [sec] --- 0.00142±0.0006 0.00136±0.00064 0.00206±0.00064 0.000147±7.1e-05 0.000165±3e-05 ---
FW Δδ(OOT) [arcsec] --- -7e-05±0.00072 0.00034±0.00078 0.00026±0.00079 9.5e-05±6.1e-05 0.00011±2.2e-05 ---
PRF ΔαSQ(OOT) [arcsec] --- -0.03±0.069 -0.023±0.069 -0.016±0.07 -0.0180±0.0260 -0.0290±0.0230 ---
PRF ΔδSQ(OOT) [arcsec] --- -0.047±0.07 -0.045±0.07 -0.039±0.069 -0.0450±0.0240 -0.0410±0.0270 ---
PRF ΔθSQ(OOT) [arcsec] --- 0.056±0.07 0.051±0.069 0.042±0.069 0.0490±0.0250 0.0500±0.0260 ---
PRF ΔαSQ(KIC) [arcsec] --- 0.118±0.073 0.119±0.071 0.132±0.073 0.1220±0.0340 0.1080±0.0350 ---
PRF ΔδSQ(KIC) [arcsec] --- 0.07±0.07 0.068±0.072 0.082±0.07 0.0630±0.0270 0.0650±0.0270 ---
PRF ΔθSQ(KIC) [arcsec] --- 0.137±0.072 0.137±0.071 0.155±0.072 0.1380±0.0320 0.1270±0.0330 ---
Chi-Square --- --- --- --- --- 2.62 3.02
Stellar Age [Gyr] --- --- --- --- --- 0.5±3.9 ---
Known Objects
1 Confirmed Planets
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
4 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
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