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Kepler-1957 Overview

Kepler-1957 1.00 R⦿ 4747.00 K
Kepler-1957 b
0.084 RJup

Kepler-1957 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
Kepler-1957
Kepler-1957 b 2.19 d 0.94 R⨁ Transit 2021 Valizadegan et al. 2022 Confirmed Planet
RA
19h34m50.74s
Dec
+47d53m14.81s
Distance
460.899±4.382 pc
Parallax
2.1409700±0.0204732 mas
Ecliptic Latitude
67.6445 deg
Ecliptic Longitude
315.14863 deg
Galactic Latitude
13.0557 deg
Galactic Longitude
80.39441 deg
Total Proper Motion
15.9920220±0.0383544 mas/yr
Proper Motion (RA)
9.0836000±0.0411037 mas/yr
Proper Motion (Dec)
-13.1618000±0.0369731 mas/yr
Photometry
mV
15.130±0.069
mTESS
14.1380±0.0066
mJ
13.233±0.022
mH
12.690±0.022
mKs
12.613±0.028
mKep
14.793
mW1
12.532±0.023
mW2
12.573±0.022
mW3
11.945±0.144
mW4
9.194
mGaia
14.780600±0.000312
mB
16.096±0.378
mg
15.627
mi
14.436
mr
14.742
mz
14.311
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 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
Teff
(K)
4709.51±52.06 4747 --- 4904±148
4904 +153-125
4904 +153-125
4904.00 +153.00-125.00
Metallicity
(dex)
-0.0950±0.0500 [M/H] -0.019 [Fe/H] --- 0±0.3 [Fe/H]
0.000 +0.280-0.260
[Fe/H]
0.000 +0.280-0.260
[Fe/H]
0.000 +0.280-0.260
[Fe/H]
R✶
(R⦿)
0.752243 1.001 ---
0.772 +0.06-0.08
0.772 +1.225-0.072
0.772 +1.225-0.072
0.7720 +1.2250-0.0720
log g
(log10(cm/s2))
4.56041 4.39 ---
4.535 +0.078-0.048
4.535 +0.058-0.826
4.535 +0.058-0.826
4.535 +0.058-0.826
L✶
(log10(L⦿))
-0.6006865 --- --- --- --- --- ---
ρ✶
(g/cm3)
2.4840153 --- ---
0.93901 +3.94695-0.82402
3.86132 +1.54934-1.65949
3.86132 +1.54934-1.65949
3.86132 +1.54934-1.65949
M✶
(M⦿)
0.75 --- ---
0.745 +0.085-0.054
0.745 +0.139-0.058
0.745 +0.139-0.058
0.7450 +0.1390-0.0580
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
Kepler Names
KOI
Transit
Source Valizadegan et al. 2022 Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table Q1-Q17 DR24 KOI Table Q1-Q16 KOI Table Q1-Q12 KOI Table
a/R✶
--- --- 6.19±2.9 9.92±4 9.92±4 9.92±4
Teq
(K)
--- --- 1099 1099 1099 1099
b
--- ---
0.828 +0.02-0.577
0.2799 +0.1695-0.2799
0.2799 +0.1695-0.2799
0.2799 +0.1695-0.2799
S
(S⨁)
--- ---
345.07 +106.33-99.80
345.07 +2265.85-89.21
345.07 +2265.85-89.21
345.07 +2265.85-89.21
e
--- --- 0 0 0 0
i
(deg)
--- --- 82.31 88.24 88.24 88.24
P
(days)
2.186619997 2.18660188±1.056e-05 2.18660188±1.056e-05 2.18659922±1.029e-05 2.18659922±1.029e-05 2.18659922±1.029e-05
Rp
(R⨁)
0.943748673 ---
0.98 +0.08-0.1
0.82 +1.31-0.07
0.82 +1.31-0.07
0.82 +1.31-0.07
Rp
(RJup)
0.0841957622 ---
0.087+0.007-0.009
0.073+0.117-0.006
0.073+0.117-0.006
0.073+0.117-0.006
Rp/R✶
--- ---
0.011617 +0.001942-0.001814
0.009751 +0.000674-0.000464
0.009751 +0.000674-0.000464
0.009751 +0.000674-0.000464
a
(au)
--- --- .0299 .0299 .0299 .0299
δ
(%)
--- --- 0.01223±0.00103 0.01178±0.00099 0.01178±0.00099 0.01178±0.00099
T14
(hours)
--- --- 1.585±0.123 1.637±0.125 1.637±0.125 1.637±0.125
TC
(days)
--- 2454964.948±0.00363
(BJD)
2454964.948±0.00363
(BJD)
2454964.95±0.00367
(BJD)
2454964.95±0.00367
(BJD)
2454964.95±0.00367
(BJD)
Print
Kepler Detection Products (4 File Types, 12 Files)
Kepler Pipeline Data Validation Reports q1_q12_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Pipeline Data Validation Summaries q1_q12_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler TCERT Reports 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_q17_dr24_tce q1_q17_dr25_tce
Kepler Object of Interest
KepID 10604592 10604592 10604592 10604592 10604592
KOI Name K04447.01 K04447.01 K04447.01 K04447.01 K04447.01
Kepler Name Kepler-1957 b Kepler-1957 b Kepler-1957 b Kepler-1957 b Kepler-1957 b
Exoplanet Archive Disposition CONFIRMED CONFIRMED CONFIRMED CONFIRMED CONFIRMED
Vetting Status 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
Disposition Using Kepler Data CANDIDATE CANDIDATE CANDIDATE 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
Orbital Period [days] 2.18660188±1.056e-05 2.18660188±1.056e-05 2.18659922±1.029e-05 2.18659922±1.029e-05 2.18659922±1.029e-05
Transit Epoch [BKJD] 131.94832±0.00363 131.94832±0.00363 131.94968±0.00367 131.94968±0.00367 131.94968±0.00367
Transit Epoch [BJD] 2454964.948±0.00363 2454964.948±0.00363 2454964.95±0.00367 2454964.95±0.00367 2454964.95±0.00367
Parameters Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi q1_q16_koi q1_q12_koi
Number of Planets 1 1 1 1 1
TCE Delivery q1_q17_dr25_tce q1_q17_dr25_tce q1_q17_dr24_tce --- q1_q12_tce
Link to DV Report kplr010604592-20160209194854_dvr.pdf kplr010604592-20160209194854_dvr.pdf kplr010604592-20141002224145_dvr.pdf --- kplr010604592-20121029204534_dvr.pdf
RA [decimal degrees] 293.71136 293.71136 293.71136 293.71136 293.71136
Dec [decimal degrees] 47.887539 47.887539 47.887539 47.887539 47.887539
Kepler-band [mag] 14.793000000000001 14.793000000000001 14.793000000000001 14.793000000000001 14.793000000000001
g'-band [mag] 15.627 15.627 15.627 15.627 15.627
r'-band [mag] 14.742 14.742 14.742 14.742 14.742
i'-band [mag] 14.436 14.436 14.436 14.436 14.436
z'-band [mag] 14.311 14.311 14.311 14.311 14.311
J-band [mag] 13.233 13.233 13.233 13.233 13.233
H-band [mag] 12.69 12.69 12.69 12.69 12.69
K-band [mag] 12.613000000000001 12.613000000000001 12.613000000000001 12.613000000000001 12.613000000000001
Disposition Score --- 1.0 --- --- ---
Comment --- NO_COMMENT --- --- ---
Eccentricity --- 0 0 0 0
Impact Parameter ---
0.828 +0.02-0.577
0.2799 +0.1695-0.2799
0.2799 +0.1695-0.2799
0.2799 +0.1695-0.2799
Transit Duration [hrs] --- 1.585±0.123 1.637±0.125 1.637±0.125 1.637±0.125
Transit Depth [ppm] --- 122.3±10.3 117.8±9.9 117.8±9.9 117.8±9.9
Planet-Star Radius Ratio ---
0.011617 +0.001942-0.001814
0.009751 +0.000674-0.000464
0.009751 +0.000674-0.000464
0.009751 +0.000674-0.000464
Fitted Stellar Density [g/cm**3] ---
0.93901 +3.94695-0.82402
3.86132 +1.54934-1.65949
3.86132 +1.54934-1.65949
3.86132 +1.54934-1.65949
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC
Planetary Radius [Earth radii] ---
0.98 +0.08-0.1
0.82 +1.31-0.07
0.82 +1.31-0.07
0.82 +1.31-0.07
Orbit Semi-Major Axis [au] --- .0299 .0299 .0299 .0299
Inclination [deg] --- 82.31 88.24 88.24 88.24
Equilibrium Temperature [K] --- 1099 1099 1099 1099
Insolation Flux [Earth flux] ---
345.07 +106.33-99.80
345.07 +2265.85-89.21
345.07 +2265.85-89.21
345.07 +2265.85-89.21
Planet-Star Distance over Star Radius --- 6.19±2.9 9.92±4 9.92±4 9.92±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
Limb Darkening Coeff. 4 --- 0.0 0.0 0.0 0.0
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0
Limb Darkening Coeff. 2 --- 0.153 0.1356 0.1356 0.1356
Limb Darkening Coeff. 1 --- 0.5684 0.5913 0.5913 0.5913
Maximum Single Event Statistic --- 3.5784023 14.535879 --- ---
Maximum Multiple Event Statistic --- 11.575605999999999 11.777588999999999 --- ---
Transit Signal-to-Noise --- 14.200000000000001 14.4 14.4 14.4
Number of Transits --- 611 611 --- ---
TCE Planet Number --- 1 1 --- 1
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- ---
Odd-Even Depth Comparision Statistic --- 0.9326000000000001 --- --- ---
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)
Link to DV Summary --- kplr010604592-001-20160209194854_dvs.pdf kplr010604592-001-20141002224145_dvs.pdf --- kplr010604592-001-20121115231752_dvs.pdf
Stellar Effective Temperature [K] --- 4904±148
4904 +153-125
4904 +153-125
4904.00 +153.00-125.00
Stellar Surface Gravity [log10(cm/s**2)] ---
4.535 +0.078-0.048
4.535 +0.058-0.826
4.535 +0.058-0.826
4.535 +0.058-0.826
Stellar Metallicity [dex] --- 0±0.3
0.000 +0.280-0.260
0.000 +0.280-0.260
0.000 +0.280-0.260
Stellar Radius [Solar radii] ---
0.772 +0.06-0.08
0.772 +1.225-0.072
0.772 +1.225-0.072
0.7720 +1.2250-0.0720
Stellar Mass [Solar mass] ---
0.745 +0.085-0.054
0.745 +0.139-0.058
0.745 +0.139-0.058
0.7450 +0.1390-0.0580
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16
FW Offset Significance [percent] --- 0.308 0.35800000000000004 --- 0.685
FW Source α(OOT) [hrs] --- 19.580793±0.000024 19.580747±0.000025 --- 19.580764000±0.000032000
FW Source δ(OOT) [deg] --- 47.88755±0.00022 47.88752±0.00023 --- 47.88764000±0.00030000
FW Source Δα(OOT) [sec] --- 1.25±0.87 -0.41±0.9 --- -0.00000±0.12000
FW Source Δδ(OOT) [arcsec] --- 0.05±0.81 -0.07±0.82 --- 0.03300±0.07200
FW Δα(OOT) [sec] --- -0.00012±0.0001 8e-05±0.00011 --- 0±1.3e-05
FW Δδ(OOT) [arcsec] --- -2.2e-05±9.6e-05 -8e-06±9.8e-05 --- -3.8e-06±8.2e-06
PRF ΔαSQ(OOT) [arcsec] --- 0.08±0.73 0.56±0.36 --- 0.2500±0.1800
PRF ΔδSQ(OOT) [arcsec] --- 0.16±0.46 -0.2±0.49 --- -0.0600±0.3100
PRF ΔθSQ(OOT) [arcsec] --- 0.18±0.69 0.59±0.41 --- 0.2600±0.1800
PRF ΔαSQ(KIC) [arcsec] --- 0.35±0.65 0.83±0.32 --- 0.5500±0.1900
PRF ΔδSQ(KIC) [arcsec] --- 0.12±0.44 -0.32±0.48 --- -0.1300±0.2900
PRF ΔθSQ(KIC) [arcsec] --- 0.37±0.74 0.89±0.35 --- 0.5600±0.2000
Known Objects
1 Confirmed Planets
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
3 2MASS Point Source Catalog
Data Files
1 Kepler Time Series
1 SuperWASP Time Series
1 Associated Literature Data
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