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Kepler-1820 Overview

Kepler-1820 0.90 R⦿ 5591.00 K
Kepler-1820 b
0.278 RJup
Architecture
Kepler-1820
Kepler-1820
Kepler-1820 b
Discovery Data
Host Planet Orbital Separation Planet Size Method Year Reference Disposition
Kepler-1820 Kepler-1820 b 31.03 d 3.12 R⨁ Transit 2021 Valizadegan et al. 2022 Confirmed Planet
RA
19h46m51.06s
Dec
+48d16m20.22s
Distance
1425.39+59.70-55.15
pc
Parallax
0.6735080±0.0280177 mas
Ecliptic Latitude
67.10681 deg
Ecliptic Longitude
320.27024 deg
Galactic Latitude
11.44772 deg
Galactic Longitude
81.68178 deg
Total Proper Motion
8.6840022±0.0511349 mas/yr
Proper Motion (RA)
-3.1467400±0.0541935 mas/yr
Proper Motion (Dec)
-8.0938200±0.0506565 mas/yr
Photometry
mV
15.759±0.423
mTESS
15.1859±0.0079
mJ
14.485±0.034
mH
14.107±0.036
mKs
14.149±0.058
mKep
15.728
mW1
14.082±0.028
mW2
14.178±0.040
mW3
12.645
mW4
9.113
mGaia
15.691900±0.000464
mB
15.895±0.070
mg
16.262
mi
15.499
mr
15.648
mz
15.467
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 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)
5563.0±122.0 5591 5591 ---
5841 +182-223
5841 +184-230
5841 +184-230
5841.00 +184.00-230.00
5764.00±169.00 5591
M✶
(M⦿)
0.98 1.01 --- ---
1.047 +0.112-0.137
1.047±0.127 1.047±0.127 1.0470±0.1270 0.9600±0.0650 ---
R✶
(R⦿)
1.0496 0.90 0.650 ---
0.931 +0.257-0.086
0.931 +0.335-0.074
0.931 +0.335-0.074
0.9310 +0.3350-0.0740
0.8500±0.2800 .9
log g
(log10(cm/s2))
4.38725 4.53 4.80 ---
4.52 +0.046-0.184
4.52 +0.031-0.268
4.52 +0.031-0.268
4.520 +0.031-0.268
4.560±0.300 4.53
Metallicity
(dex)
--- --- 0.129 [Fe/H] ---
0.07 +0.25-0.3
[Fe/H]
0.070 +0.190-0.270
[Fe/H]
0.070 +0.190-0.270
[Fe/H]
0.070 +0.190-0.270
[Fe/H] 		--- ---
L✶
(log10(L⦿))
-0.02202471 --- --- --- --- --- --- --- --- ---
ρ✶
(g/cm3)
1.1948828 --- --- ---
3.49293 +2.94031-3.34100
6.37425 +1.35431-2.64481
6.37425 +1.35431-2.64481
6.37425 +1.35431-2.64481
--- ---
Age
(Gyr)
--- --- --- --- --- --- --- --- 0.4±3.5 ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
Kepler Names
KOI
Transit
Source Valizadegan et al. 2022 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✶
--- --- --- 56.2±23.7 68.7±14.6 68.7±14.6 68.7±14.6 59±29
Teq
(K)
--- --- --- 561 561 561 561 537
b
--- --- ---
0.611 +0.026-0.488
0.2847 +0.1903-0.2847
0.2847 +0.1903-0.2847
0.2847 +0.1903-0.2847
0.66±0.88
S
(S⨁)
--- --- ---
23.41 +19.68-6.91
23.41 +25.59-6.52
23.41 +25.59-6.52
23.41 +25.59-6.52
---
e
--- --- --- 0 0 0 0 0
i
(deg)
--- --- --- 89.38 89.95 89.95 89.95 89.38
P
(days)
31.03249931 31.03255293±0.00000926 31.0325991±0.0002042 31.0325991±0.0002042 31.032699±0.0001868 31.032699±0.0001868 31.032699±0.0001868 31.03364±0.0007
Rp
(R⨁)
3.118830672 --- ---
2.64 +0.72-0.25
2.7 +0.97-0.21
2.7 +0.97-0.21
2.7 +0.97-0.21
2.4±1.4
Rp
(RJup)
0.2782439149 --- ---
0.236+0.064-0.022
0.241+0.087-0.019
0.241+0.087-0.019
0.241+0.087-0.019
0.214+0.125-0.125
Rp/R✶
--- --- ---
0.02592 +0.000141-0.002134
0.026571 +0.0013-0.00119
0.026571 +0.0013-0.00119
0.026571 +0.0013-0.00119
0.026±0.012
a
(au)
--- --- --- .1964 .1964 .1964 .1964 .191
δ
(%)
--- 0.1031 --- 0.07374±0.00496 0.08422±0.00559 0.08422±0.00559 0.08422±0.00559 0.07100
T14
(hours)
--- 4.0641 --- 3.476±0.193 3.403±0.174 3.403±0.174 3.403±0.174 3.1765
TC
(days)
--- 2454985.275804±0.008480
(BJD)
2454985.272±0.00561
(BJD)
2454985.272±0.00561
(BJD)
2454985.269±0.00525
(BJD)
2454985.269±0.00525
(BJD)
2454985.269±0.00525
(BJD)
2454985.2624±0.0078
(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 10874215 10874215 10874215 10874215 10874215 10874215 10874215
KOI Name K02305.01 K02305.01 K02305.01 K02305.01 K02305.01 K02305.01 K02305.01
Kepler Name Kepler-1820 b Kepler-1820 b Kepler-1820 b Kepler-1820 b Kepler-1820 b Kepler-1820 b Kepler-1820 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] 31.0325991±0.0002042 31.0325991±0.0002042 31.032699±0.0001868 31.032699±0.0001868 31.032699±0.0001868 31.03364±0.0007 31.03364±0.00071
Transit Epoch [BKJD] 152.27157±0.00561 152.27157±0.00561 152.2694±0.00525 152.2694±0.00525 152.2694±0.00525 152.2624±0.0078 152.2624±0.0078
Transit Epoch [BJD] 2454985.272±0.00561 2454985.272±0.00561 2454985.269±0.00525 2454985.269±0.00525 2454985.269±0.00525 2454985.2624±0.0078 2454985.2624±0.0078
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 kplr010874215-20160209194854_dvr.pdf kplr010874215-20160209194854_dvr.pdf kplr010874215-20141002224145_dvr.pdf kplr010874215-20130815195353_dvr.pdf kplr010874215-20121029204534_dvr.pdf --- ---
RA [decimal degrees] 296.71274 296.71274 296.71274 296.71274 296.71274 296.71274 296.71274
Dec [decimal degrees] 48.272307999999995 48.272307999999995 48.272307999999995 48.272307999999995 48.272307999999995 48.272307999999995 48.272307999999995
Kepler-band [mag] 15.728000000000002 15.728000000000002 15.728000000000002 15.728000000000002 15.728000000000002 15.728000000000002 15.728000000000002
g'-band [mag] 16.262 16.262 16.262 16.262 16.262 16.262 16.262
r'-band [mag] 15.648000000000001 15.648000000000001 15.648000000000001 15.648000000000001 15.648000000000001 15.648000000000001 15.648000000000001
i'-band [mag] 15.499 15.499 15.499 15.499 15.499 15.499 15.499
z'-band [mag] 15.467 15.467 15.467 15.467 15.467 15.467 15.467
J-band [mag] 14.485000000000001 14.485000000000001 14.485000000000001 14.485000000000001 14.485000000000001 14.485000000000001 14.485000000000001
H-band [mag] 14.107000000000001 14.107000000000001 14.107000000000001 14.107000000000001 14.107000000000001 14.107000000000001 14.107000000000001
K-band [mag] 14.149000000000001 14.149000000000001 14.149000000000001 14.149000000000001 14.149000000000001 14.149000000000001 14.149000000000001
Disposition Score --- 0.995 --- --- --- --- ---
Comment --- NO_COMMENT --- --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
0.611 +0.026-0.488
0.2847 +0.1903-0.2847
0.2847 +0.1903-0.2847
0.2847 +0.1903-0.2847
0.66±0.88 0.66±0.7
Transit Duration [hrs] --- 3.476±0.193 3.403±0.174 3.403±0.174 3.403±0.174 3.1765 3.1765
Transit Depth [ppm] --- 737.4±49.6 842.2±55.9 842.2±55.9 842.2±55.9 710 727
Planet-Star Radius Ratio ---
0.02592 +0.000141-0.002134
0.026571 +0.0013-0.00119
0.026571 +0.0013-0.00119
0.026571 +0.0013-0.00119
0.026±0.012 0.026±0.012
Fitted Stellar Density [g/cm**3] ---
3.49293 +2.94031-3.34100
6.37425 +1.35431-2.64481
6.37425 +1.35431-2.64481
6.37425 +1.35431-2.64481
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
2.64 +0.72-0.25
2.7 +0.97-0.21
2.7 +0.97-0.21
2.7 +0.97-0.21
2.4±1.4 2.52
Orbit Semi-Major Axis [au] --- .1964 .1964 .1964 .1964 .191 .194
Inclination [deg] --- 89.38 89.95 89.95 89.95 89.38 ---
Equilibrium Temperature [K] --- 561 561 561 561 537 531
Insolation Flux [Earth flux] ---
23.41 +19.68-6.91
23.41 +25.59-6.52
23.41 +25.59-6.52
23.41 +25.59-6.52
--- ---
Planet-Star Distance over Star Radius --- 56.2±23.7 68.7±14.6 68.7±14.6 68.7±14.6 59±29 59±29
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 --- 0.2602 0.2718 0.2718 0.2718 0.2876 ---
Limb Darkening Coeff. 1 --- 0.4096 0.38780000000000003 0.38780000000000003 0.38780000000000003 0.434 ---
Maximum Single Event Statistic --- 4.235796 5.1572924 --- --- --- ---
Maximum Multiple Event Statistic --- 14.200885999999999 15.1291895 --- --- --- ---
Transit Signal-to-Noise --- 17.6 18.400000000000002 18.400000000000002 18.400000000000002 18.5 11.5
Number of Transits --- 34 34 --- --- --- ---
TCE Planet Number --- 1 1 1 1 --- ---
Quarters --- 11111101110111011000000000000000 11111101110111011000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.5043 --- --- --- --- ---
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 --- kplr010874215-001-20160209194854_dvs.pdf kplr010874215-001-20141002224145_dvs.pdf kplr010874215-001-20130826182306_dvs.pdf kplr010874215-001-20121115231752_dvs.pdf --- ---
Stellar Effective Temperature [K] ---
5841 +182-223
5841 +184-230
5841 +184-230
5841.00 +184.00-230.00
5764.00±169.00 5591
Stellar Surface Gravity [log10(cm/s**2)] ---
4.52 +0.046-0.184
4.52 +0.031-0.268
4.52 +0.031-0.268
4.520 +0.031-0.268
4.560±0.300 4.53
Stellar Metallicity [dex] ---
0.07 +0.25-0.3
0.070 +0.190-0.270
0.070 +0.190-0.270
0.070 +0.190-0.270
--- ---
Stellar Radius [Solar radii] ---
0.931 +0.257-0.086
0.931 +0.335-0.074
0.931 +0.335-0.074
0.9310 +0.3350-0.0740
0.8500±0.2800 .9
Stellar Mass [Solar mass] ---
1.047 +0.112-0.137
1.047±0.127 1.047±0.127 1.0470±0.1270 0.9600±0.0650 ---
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault KIC
FW Offset Significance [percent] --- 0.006 0.0 0.001 0.401 --- ---
FW Source α(OOT) [hrs] --- 19.780912±0.000027 19.780909±0.000027 19.780899±0.000025 19.780844000±0.000028000 --- ---
FW Source δ(OOT) [deg] --- 48.27207±0.00027 48.27213±0.00026 48.27209±0.00025 48.27210000±0.00032000 --- ---
FW Source Δα(OOT) [sec] --- 2.26±0.97 2.16±0.98 1.78±0.91 -0.03000±0.10000 --- ---
FW Source Δδ(OOT) [arcsec] --- -0.85±0.99 -0.63±0.93 -0.78±0.91 -0.04900±0.07800 --- ---
FW Δα(OOT) [sec] --- -0.0016±0.00071 -0.00161±0.00076 -0.00142±0.00077 2.1e-05±8.3e-05 --- ---
FW Δδ(OOT) [arcsec] --- 0.00059±0.00073 0.00046±0.00073 0.00063±0.00078 4e-05±6.5e-05 --- ---
PRF ΔαSQ(OOT) [arcsec] --- -0.14±0.27 -0.17±0.3 -0.06±0.63 -0.0100±0.2800 --- ---
PRF ΔδSQ(OOT) [arcsec] --- -0.24±0.24 -0.32±0.85 -0.2±0.37 -0.2100±0.3300 --- ---
PRF ΔθSQ(OOT) [arcsec] --- 0.27±0.3 0.36±0.83 0.21±0.66 0.2100±0.3300 --- ---
PRF ΔαSQ(KIC) [arcsec] --- -0.01±0.22 -0.1±0.31 0.04±0.71 0.1200±0.2700 --- ---
PRF ΔδSQ(KIC) [arcsec] --- -0.15±0.28 -0.24±0.93 -0.11±0.37 -0.1100±0.3200 --- ---
PRF ΔθSQ(KIC) [arcsec] --- 0.15±0.28 0.26±0.88 0.11±0.71 0.1700±0.3000 --- ---
Chi-Square --- --- --- --- --- 1.01 1.11
Stellar Age [Gyr] --- --- --- --- --- 0.4±3.5 ---
Known Objects
1 Confirmed Planets
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
7 2MASS Point Source Catalog
Data Files
1 Kepler Time Series
1 Associated Literature Data
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