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Kepler-1857 Overview

Kepler-1857 1.01 R⦿ 5809.00 K
Kepler-1857 b
0.175 RJup

Kepler-1857 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
Kepler-1857
Kepler-1857 b 8.94 d 1.96 R⨁ Transit 2021 Valizadegan et al. 2022 Confirmed Planet
RA
19h45m49.37s
Dec
+39d35m54.73s
Distance
853.275+17.349-16.683
pc
Parallax
1.1437000±0.0231827 mas
Ecliptic Latitude
59.22789 deg
Ecliptic Longitude
312.13671 deg
Galactic Latitude
7.43714 deg
Galactic Longitude
73.88117 deg
Total Proper Motion
15.0908361±0.0417150 mas/yr
Proper Motion (RA)
-5.3701700±0.0404163 mas/yr
Proper Motion (Dec)
-14.1030±0.0419 mas/yr
Photometry
mV
14.360±0.126
mTESS
13.6920±0.0096
mJ
12.998±0.026
mH
12.690±0.025
mKs
12.593±0.024
mKep
14.169
mW1
12.460±0.023
mW2
12.526±0.024
mW3
12.16
mW4
8.688
mGaia
14.148600±0.000254
mB
14.728±0.020
mg
14.618
mi
13.976
mr
14.134
mz
13.884
Abundances
(Hypatia Catalog)
[Fe/H] -0.10±0.04 dex
[C/H] -0.09±0.09 dex
[O/H] -0.20±0.09 dex
[Na/H] -0.25±0.04 dex
[Mg/H] -0.08±0.07 dex
[Al/H] -0.19±0.06 dex
[Si/H] -0.13±0.05 dex
[Ca/H] -0.05±0.06 dex
[Y/H] 0.00±0.08 dex
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 Batalha et al. 2013 Latham et al. 2005 Fulton & Petigura 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 Q1-Q6 KOI Table
Teff
(K)
6147.0±122.0 5809 5809 5925±60 --- 6074±181
6074 +171-173
6074 +171-173
6074.00 +171.00-173.00
6134.00±104.00 5809
M✶
(M⦿)
1.17 0.82 ---
0.955+0.029-0.028
 ---
0.873 +0.108-0.081
0.873 +0.125-0.074
0.873 +0.125-0.074
0.8730 +0.1250-0.0740
1.0600±0.1400 ---
R✶
(R⦿)
1.11667 1.01 1.125
1.165+0.036-0.035
 ---
1.005 +0.27-0.18
1.005 +0.347-0.155
1.005 +0.347-0.155
1.0050 +0.3470-0.1550
1.1100±0.5500 1.01
log g
(log10(cm/s2))
4.4104 4.35 4.37 --- ---
4.375 +0.149-0.182
4.375 +0.13-0.245
4.375 +0.13-0.245
4.375 +0.130-0.245
4.370±0.300 4.35
Metallicity
(dex)
--- --- -0.549 [Fe/H] -0.13±0.04 [Fe/H] --- -0.54±0.3 [Fe/H]
-0.540 +0.300-0.280
[Fe/H]
-0.540 +0.300-0.280
[Fe/H]
-0.540 +0.300-0.280
[Fe/H] 		--- ---
L✶
(log10(L⦿))
0.2051979 --- --- --- --- --- --- --- --- --- ---
ρ✶
(g/cm3)
1.1846108 --- --- 0.64±0.05 ---
5.01751 +0.27200-2.46906
3.95377 +0.66406-1.50596
3.95377 +0.66406-1.50596
3.95377 +0.66406-1.50596
--- ---
Age
(Gyr)
--- --- ---
7.94+1.39-1.34
 --- --- --- --- --- 3.5±1.5 ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
Kepler Names
KOI
Transit
Source Valizadegan et al. 2022 Fulton & Petigura 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
a/R✶
--- --- --- 27.68±1.5 25.57±4.3 25.57±4.3 25.57±4.3 27±11
Teq
(K)
--- --- --- 946 946 946 946 973
b
--- --- ---
0.163 +0.292-0.163
0.0362 +0.4173-0.036
0.0362 +0.4173-0.036
0.0362 +0.4173-0.036
0.19±0.52
S
(S⨁)
--- 217.4±16.3 ---
188.93 +153.04-76.13
188.93 +193.14-68.54
188.93 +193.14-68.54
188.93 +193.14-68.54
---
e
--- --- --- 0 0 0 0 0
i
(deg)
--- --- --- 89.66 89.95 89.95 89.95 89.38
P
(days)
8.94340992 8.943436180±0.000046080 8.94337724±4.416e-05 8.94337724±4.416e-05 8.94343618±4.608e-05 8.94343618±4.608e-05 8.94343618±4.608e-05 8.94326±0.00015
Rp
(R⨁)
1.960654119 1.735±0.087 ---
1.48 +0.4-0.26
1.5 +0.51-0.23
1.5 +0.51-0.23
1.5 +0.51-0.23
1.57±0.8
Rp
(RJup)
0.1749181457 0.1548±0.0078 ---
0.132+0.036-0.023
0.134+0.045-0.021
0.134+0.045-0.021
0.134+0.045-0.021
0.140+0.071-0.071
Rp/R✶
---
0.013638+0.000602-0.000510
 ---
0.013531 +0.00055-0.000573
0.013638 +0.000602-0.00051
0.013638 +0.000602-0.00051
0.013638 +0.000602-0.00051
0.013±0.0015
a
(au)
--- 0.08308±0.00082 --- .0807 .0807 .0807 .0807 .086
δ
(%)
--- --- --- 0.02151±0.00134 0.02195±0.00139 0.02195±0.00139 0.02195±0.00139 0.02000
T14
(hours)
--- --- --- 2.469±0.128 2.707±0.128 2.707±0.128 2.707±0.128 2.552
TC
(days)
--- --- 2454970.302±0.00407
(BJD)
2454970.302±0.00407
(BJD)
2454970.299±0.00398
(BJD)
2454970.299±0.00398
(BJD)
2454970.299±0.00398
(BJD)
2454970.3027±0.0058
(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 4484336 4484336 4484336 4484336 4484336 4484336 4484336
KOI Name K02547.01 K02547.01 K02547.01 K02547.01 K02547.01 K02547.01 K02547.01
Kepler Name Kepler-1857 b Kepler-1857 b Kepler-1857 b Kepler-1857 b Kepler-1857 b Kepler-1857 b Kepler-1857 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 NOT DISPOSITIONED 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] 8.94337724±4.416e-05 8.94337724±4.416e-05 8.94343618±4.608e-05 8.94343618±4.608e-05 8.94343618±4.608e-05 8.94326±0.00015 8.94326±0.00015
Transit Epoch [BKJD] 137.30234±0.00407 137.30234±0.00407 137.29881±0.00398 137.29881±0.00398 137.29881±0.00398 137.3027±0.0058 137.3027±0.0058
Transit Epoch [BJD] 2454970.302±0.00407 2454970.302±0.00407 2454970.299±0.00398 2454970.299±0.00398 2454970.299±0.00398 2454970.3027±0.0058 2454970.3027±0.0058
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 kplr004484336-20160209194854_dvr.pdf kplr004484336-20160209194854_dvr.pdf kplr004484336-20141002224145_dvr.pdf kplr004484336-20130815195353_dvr.pdf kplr004484336-20121029204534_dvr.pdf --- ---
RA [decimal degrees] 296.45574999999997 296.45574999999997 296.45574999999997 296.45574999999997 296.45574999999997 296.45574999999997 296.45574999999997
Dec [decimal degrees] 39.598591 39.598591 39.598591 39.598591 39.598591 39.598591 39.598591
Kepler-band [mag] 14.169 14.169 14.169 14.169 14.169 14.169 14.169
g'-band [mag] 14.618 14.618 14.618 14.618 14.618 14.618 14.618
r'-band [mag] 14.134 14.134 14.134 14.134 14.134 14.134 14.134
i'-band [mag] 13.976 13.976 13.976 13.976 13.976 13.976 13.976
z'-band [mag] 13.884 13.884 13.884 13.884 13.884 13.884 13.884
J-band [mag] 12.998000000000001 12.998000000000001 12.998000000000001 12.998000000000001 12.998000000000001 12.998000000000001 12.998000000000001
H-band [mag] 12.69 12.69 12.69 12.69 12.69 12.69 12.69
K-band [mag] 12.593 12.593 12.593 12.593 12.593 12.593 12.593
Disposition Score --- 0.922 --- --- --- --- ---
Comment --- NO_COMMENT --- --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
0.163 +0.292-0.163
0.0362 +0.4173-0.036
0.0362 +0.4173-0.036
0.0362 +0.4173-0.036
0.19±0.52 0.19±0.51
Transit Duration [hrs] --- 2.469±0.128 2.707±0.128 2.707±0.128 2.707±0.128 2.552 2.552
Transit Depth [ppm] --- 215.1±13.4 219.5±13.9 219.5±13.9 219.5±13.9 200 218
Planet-Star Radius Ratio ---
0.013531 +0.00055-0.000573
0.013638 +0.000602-0.00051
0.013638 +0.000602-0.00051
0.013638 +0.000602-0.00051
0.013±0.0015 0.013±0.0015
Fitted Stellar Density [g/cm**3] ---
5.01751 +0.27200-2.46906
3.95377 +0.66406-1.50596
3.95377 +0.66406-1.50596
3.95377 +0.66406-1.50596
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
1.48 +0.4-0.26
1.5 +0.51-0.23
1.5 +0.51-0.23
1.5 +0.51-0.23
1.57±0.8 1.42
Orbit Semi-Major Axis [au] --- .0807 .0807 .0807 .0807 .086 .079
Inclination [deg] --- 89.66 89.95 89.95 89.95 89.38 ---
Equilibrium Temperature [K] --- 946 946 946 946 973 915
Insolation Flux [Earth flux] ---
188.93 +153.04-76.13
188.93 +193.14-68.54
188.93 +193.14-68.54
188.93 +193.14-68.54
--- ---
Planet-Star Distance over Star Radius --- 27.68±1.5 25.57±4.3 25.57±4.3 25.57±4.3 27±11 27±11
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 0.13240000000000002 ---
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 -0.5219 ---
Limb Darkening Coeff. 2 --- 0.2979 0.3007 0.3007 0.3007 0.7461 ---
Limb Darkening Coeff. 1 --- 0.32380000000000003 0.31270000000000003 0.31270000000000003 0.31270000000000003 0.3361 ---
Maximum Single Event Statistic --- 3.4706314000000003 6.099206 --- --- --- ---
Maximum Multiple Event Statistic --- 15.455015 16.140798999999998 --- --- --- ---
Transit Signal-to-Noise --- 18.400000000000002 18.1 18.1 18.1 17.1 10.0
Number of Transits --- 120 120 --- --- --- ---
TCE Planet Number --- 1 1 1 1 --- ---
Quarters --- 11111011101110111000000000000000 11111011101110111000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.6545000000000001 --- --- --- --- ---
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 --- kplr004484336-001-20160209194854_dvs.pdf kplr004484336-001-20141002224145_dvs.pdf kplr004484336-001-20130826182306_dvs.pdf kplr004484336-001-20121115231752_dvs.pdf --- ---
Stellar Effective Temperature [K] --- 6074±181
6074 +171-173
6074 +171-173
6074.00 +171.00-173.00
6134.00±104.00 5809
Stellar Surface Gravity [log10(cm/s**2)] ---
4.375 +0.149-0.182
4.375 +0.13-0.245
4.375 +0.13-0.245
4.375 +0.130-0.245
4.370±0.300 4.35
Stellar Metallicity [dex] --- -0.54±0.3
-0.540 +0.300-0.280
-0.540 +0.300-0.280
-0.540 +0.300-0.280
--- ---
Stellar Radius [Solar radii] ---
1.005 +0.27-0.18
1.005 +0.347-0.155
1.005 +0.347-0.155
1.0050 +0.3470-0.1550
1.1100±0.5500 1.01
Stellar Mass [Solar mass] ---
0.873 +0.108-0.081
0.873 +0.125-0.074
0.873 +0.125-0.074
0.8730 +0.1250-0.0740
1.0600±0.1400 ---
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault KIC
FW Offset Significance [percent] --- 0.185 0.014 0.0 0.007 --- ---
FW Source α(OOT) [hrs] --- 19.763715±0.000019 19.763714±0.000019 19.763693±0.000018 19.763707000±0.000023000 --- ---
FW Source δ(OOT) [deg] --- 39.59858±0.00022 39.59851±0.00022 39.59856±0.00022 39.59894000±0.00027000 --- ---
FW Source Δα(OOT) [sec] --- -0.08±0.77 -0.14±0.78 -1.01±0.75 -0.11400±0.08300 --- ---
FW Source Δδ(OOT) [arcsec] --- -0.05±0.78 -0.29±0.8 -0.1±0.78 0.06500±0.06500 --- ---
FW Δα(OOT) [sec] --- 0.0002±0.00016 0.00023±0.00017 0.00042±0.00017 2.4e-05±1.8e-05 --- ---
FW Δδ(OOT) [arcsec] --- 6e-05±0.00017 0.00013±0.00017 9e-05±0.00017 -1.4e-05±1.4e-05 --- ---
PRF ΔαSQ(OOT) [arcsec] --- 0.25±0.29 0.3±0.38 0.4±0.29 0.2400±0.3000 --- ---
PRF ΔδSQ(OOT) [arcsec] --- -0.97±0.42 -0.85±0.67 -0.64±0.49 -0.6400±0.6500 --- ---
PRF ΔθSQ(OOT) [arcsec] --- 1±0.43 0.9±0.64 0.76±0.44 0.6900±0.6200 --- ---
PRF ΔαSQ(KIC) [arcsec] --- 0.21±0.34 0.25±0.43 0.35±0.3 0.1900±0.3000 --- ---
PRF ΔδSQ(KIC) [arcsec] --- -1.09±0.41 -1±0.64 -0.82±0.47 -0.7700±0.6300 --- ---
PRF ΔθSQ(KIC) [arcsec] --- 1.11±0.43 1.03±0.62 0.89±0.45 0.7900±0.6200 --- ---
Chi-Square --- --- --- --- --- 1.34 1.36
Stellar Age [Gyr] --- --- --- --- --- 3.5±1.5 ---
Known Objects
1 Confirmed Planets
2 Kepler Objects of Interest (KOIs)
2 Threshold Crossing Events (TCEs)
9 2MASS Point Source Catalog
Data Files
3 Kepler Time Series
1 Associated Literature Data
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