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Kepler-1557 Overview

Kepler-1557 0.82 R⦿ 6014.00 K
Kepler-1557 b
0.136 RJup
Architecture
Kepler-1557
Kepler-1557
Kepler-1557 b
Discovery Data
Host Planet Orbital Separation Planet Size Method Year Reference Disposition
Kepler-1557 Kepler-1557 b 3.74 d 1.53 R⨁ Transit 2016 Morton et al. 2016 Confirmed Planet
Kepler-1557 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
19h35m31.53s
Dec
+46d50m19.74s
Distance
1380.160±45.525 pc
Parallax
0.6961060±0.0237039 mas
Ecliptic Latitude
66.64206 deg
Ecliptic Longitude
314.30247 deg
Galactic Latitude
12.48692 deg
Galactic Longitude
79.48341 deg
Total Proper Motion
8.4772637±0.0544708 mas/yr
Proper Motion (RA)
-3.1602800±0.0460082 mas/yr
Proper Motion (Dec)
-7.8661700±0.0557164 mas/yr
Photometry
mV
15.383±0.058
mTESS
14.8528±0.0080
mJ
14.194±0.025
mH
13.911±0.035
mKs
13.800±0.051
mKep
15.331
mW1
13.839±0.025
mW2
13.885±0.030
mW3
12.754
mW4
9.827
mGaia
15.298700±0.000379
mB
15.953±0.067
mg
15.750
mi
15.151
mr
15.275
mz
15.077
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 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 Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5904.540±154.748 6267±219
5757.6665+833.9080-134.8460
6099.000+111.997-191.521
 6014 ---
6260 +168-224
6225 +171-196
6225 +171-196
6225.00 +171.00-196.00
Metallicity
(dex)
-0.0278051±0.0143547 [M/H] --- ---
0.0200+0.1370-0.1730
[Fe/H] 		-0.057 [Fe/H] ---
-0.08 +0.25-0.3
[Fe/H]
-0.120 +0.220-0.300
[Fe/H]
-0.120 +0.220-0.300
[Fe/H]
-0.120 +0.220-0.300
[Fe/H]
R✶
(R⦿)
1.09641
1.058+0.090-0.081
1.0862550+0.0527257-0.2574620
1.170+0.379-0.154
 0.825 ---
1.063 +0.313-0.134
1.031 +0.463-0.089
1.031 +0.463-0.089
1.0310 +0.4630-0.0890
log g
(log10(cm/s2))
4.38751 --- ---
4.340+0.100-0.192
 4.63 ---
4.433 +0.065-0.195
4.45 +0.043-0.292
4.45 +0.043-0.292
4.450 +0.043-0.292
Age
(Gyr)
--- --- ---
3.31+1.50-1.49
 --- --- --- --- --- ---
M✶
(M⦿)
1.07 --- ---
1.110+0.145-0.098
 --- --- 1.118±0.145
1.091 +0.224-0.121
1.091 +0.224-0.121
1.0910 +0.2240-0.1210
L✶
(log10(L⦿))
0.1193842 ---
0.067544303+0.036603606-0.039974993
 --- --- --- --- --- --- ---
ρ✶
(g/cm3)
1.1445407 --- --- --- --- ---
2.12805 +0.45478-0.77587
2.18270 +0.25647-0.97906
2.18270 +0.25647-0.97906
2.18270 +0.25647-0.97906
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 Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table Q1-Q17 DR24 KOI Table Q1-Q16 KOI Table Q1-Q12 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
a/R✶
--- --- --- --- 11.63±2.5 11.73±1.4 11.73±1.4 11.73±1.4
Teq
(K)
--- --- --- --- 1287 1265 1265 1265
b
--- --- --- ---
0.277 +0.17-0.277
0.1559 +0.3021-0.1554
0.1559 +0.3021-0.1554
0.1559 +0.3021-0.1554
S
(S⨁)
--- ---
645.543+54.559-49.813
 ---
646.81 +558.10-219.79
604.80 +810.57-160.56
604.80 +810.57-160.56
604.80 +810.57-160.56
e
--- --- --- --- 0 0 0 0
i
(deg)
--- --- --- --- 88.63 89.38 89.38 89.38
P
(days)
3.74032496±2.165e-05 3.7403251065±0.0000239172 --- 3.74031708±1.925e-05 3.74031708±1.925e-05 3.74032496±2.165e-05 3.74032496±2.165e-05 3.74032496±2.165e-05
Rp
(R⨁)
1.53+0.50-0.21
 ---
1.376+0.131-0.127
 ---
1.38 +0.41-0.17
1.35 +0.61-0.12
1.35 +0.61-0.12
1.35 +0.61-0.12
Rp
(RJup)
0.136+0.045-0.019
 ---
0.1228+0.0117-0.0113
 ---
0.123+0.037-0.015
0.120+0.054-0.011
0.120+0.054-0.011
0.120+0.054-0.011
Rp/R✶
0.011999 +0.00059-0.000537
--- --- ---
0.011906 +0.000511-0.000606
0.011999 +0.00059-0.000537
0.011999 +0.00059-0.000537
0.011999 +0.00059-0.000537
a
(au)
--- --- --- --- .049 .0486 .0486 .0486
δ
(%)
--- --- --- --- 0.01656±0.00122 0.01696±0.00126 0.01696±0.00126 0.01696±0.00126
T14
(hours)
2.439±0.12 --- --- --- 2.394±0.105 2.439±0.12 2.439±0.12 2.439±0.12
TC
(days)
2454967.7027±0.0043
(JD)
2454967.70377000±0.00496870
(BJD)
--- 2454967.703±0.00391
(BJD)
2454967.703±0.00391
(BJD)
2454967.703±0.00428
(BJD)
2454967.703±0.00428
(BJD)
2454967.703±0.00428
(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 9956082 9956082 9956082 9956082 9956082
KOI Name K04139.01 K04139.01 K04139.01 K04139.01 K04139.01
Kepler Name Kepler-1557 b Kepler-1557 b Kepler-1557 b Kepler-1557 b Kepler-1557 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] 3.74031708±1.925e-05 3.74031708±1.925e-05 3.74032496±2.165e-05 3.74032496±2.165e-05 3.74032496±2.165e-05
Transit Epoch [BKJD] 134.70305±0.00391 134.70305±0.00391 134.7027±0.00428 134.7027±0.00428 134.7027±0.00428
Transit Epoch [BJD] 2454967.703±0.00391 2454967.703±0.00391 2454967.703±0.00428 2454967.703±0.00428 2454967.703±0.00428
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_q16_tce q1_q12_tce
Link to DV Report kplr009956082-20160209194854_dvr.pdf kplr009956082-20160209194854_dvr.pdf kplr009956082-20141002224145_dvr.pdf kplr009956082-20130815195353_dvr.pdf kplr009956082-20121029204534_dvr.pdf
RA [decimal degrees] 293.88141 293.88141 293.88141 293.88141 293.88141
Dec [decimal degrees] 46.838879 46.838879 46.838879 46.838879 46.838879
Kepler-band [mag] 15.331000000000001 15.331000000000001 15.331000000000001 15.331000000000001 15.331000000000001
g'-band [mag] 15.75 15.75 15.75 15.75 15.75
r'-band [mag] 15.275 15.275 15.275 15.275 15.275
i'-band [mag] 15.151000000000002 15.151000000000002 15.151000000000002 15.151000000000002 15.151000000000002
z'-band [mag] 15.077 15.077 15.077 15.077 15.077
J-band [mag] 14.194 14.194 14.194 14.194 14.194
H-band [mag] 13.911000000000001 13.911000000000001 13.911000000000001 13.911000000000001 13.911000000000001
K-band [mag] 13.8 13.8 13.8 13.8 13.8
Disposition Score --- 0.9870000000000001 --- --- ---
Comment --- NO_COMMENT --- --- ---
Eccentricity --- 0 0 0 0
Impact Parameter ---
0.277 +0.17-0.277
0.1559 +0.3021-0.1554
0.1559 +0.3021-0.1554
0.1559 +0.3021-0.1554
Transit Duration [hrs] --- 2.394±0.105 2.439±0.12 2.439±0.12 2.439±0.12
Transit Depth [ppm] --- 165.6±12.2 169.6±12.6 169.6±12.6 169.6±12.6
Planet-Star Radius Ratio ---
0.011906 +0.000511-0.000606
0.011999 +0.00059-0.000537
0.011999 +0.00059-0.000537
0.011999 +0.00059-0.000537
Fitted Stellar Density [g/cm**3] ---
2.12805 +0.45478-0.77587
2.18270 +0.25647-0.97906
2.18270 +0.25647-0.97906
2.18270 +0.25647-0.97906
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC
Planetary Radius [Earth radii] ---
1.38 +0.41-0.17
1.35 +0.61-0.12
1.35 +0.61-0.12
1.35 +0.61-0.12
Orbit Semi-Major Axis [au] --- .049 .0486 .0486 .0486
Inclination [deg] --- 88.63 89.38 89.38 89.38
Equilibrium Temperature [K] --- 1287 1265 1265 1265
Insolation Flux [Earth flux] ---
646.81 +558.10-219.79
604.80 +810.57-160.56
604.80 +810.57-160.56
604.80 +810.57-160.56
Planet-Star Distance over Star Radius --- 11.63±2.5 11.73±1.4 11.73±1.4 11.73±1.4
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 --- 0.302 0.301 0.301 0.301
Limb Darkening Coeff. 1 --- 0.319 0.32130000000000003 0.32130000000000003 0.32130000000000003
Maximum Single Event Statistic --- 5.1062574 10.311308 --- ---
Maximum Multiple Event Statistic --- 13.422260999999999 13.747636 --- ---
Transit Signal-to-Noise --- 15.6 15.1 15.1 15.1
Number of Transits --- 356 356 --- ---
TCE Planet Number --- 1 1 1 1
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- ---
Odd-Even Depth Comparision Statistic --- 0.38130000000000003 --- --- ---
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 --- kplr009956082-001-20160209194854_dvs.pdf kplr009956082-001-20141002224145_dvs.pdf kplr009956082-001-20130826182306_dvs.pdf kplr009956082-001-20121115231752_dvs.pdf
Stellar Effective Temperature [K] ---
6260 +168-224
6225 +171-196
6225 +171-196
6225.00 +171.00-196.00
Stellar Surface Gravity [log10(cm/s**2)] ---
4.433 +0.065-0.195
4.45 +0.043-0.292
4.45 +0.043-0.292
4.450 +0.043-0.292
Stellar Metallicity [dex] ---
-0.08 +0.25-0.3
-0.120 +0.220-0.300
-0.120 +0.220-0.300
-0.120 +0.220-0.300
Stellar Radius [Solar radii] ---
1.063 +0.313-0.134
1.031 +0.463-0.089
1.031 +0.463-0.089
1.0310 +0.4630-0.0890
Stellar Mass [Solar mass] --- 1.118±0.145
1.091 +0.224-0.121
1.091 +0.224-0.121
1.0910 +0.2240-0.1210
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16
FW Offset Significance [percent] --- 0.55 0.096 0.156 0.078
FW Source α(OOT) [hrs] --- 19.592066±0.000026 19.592058±0.000027 19.592068±0.000023 19.592059000±0.000028000
FW Source δ(OOT) [deg] --- 46.8388±0.00028 46.83885±0.00028 46.83899±0.00025 46.83904000±0.00030000
FW Source Δα(OOT) [sec] --- -1.03±0.97 -1.34±1 -0.96±0.86 -0.10000±0.10000
FW Source Δδ(OOT) [arcsec] --- -0.3±1 -0.1±1 0.41±0.9 0.04900±0.07300
FW Δα(OOT) [sec] --- 0.00013±0.00015 0.00017±0.00015 0.00012±0.00014 1.8e-05±1.7e-05
FW Δδ(OOT) [arcsec] --- 2e-05±0.00015 -1e-05±0.00015 -9e-05±0.00015 -8e-06±1.3e-05
PRF ΔαSQ(OOT) [arcsec] --- -0.22±0.43 -0.06±0.42 -0.27±0.36 -0.3400±0.5500
PRF ΔδSQ(OOT) [arcsec] --- -0.07±0.4 -0.22±0.37 -0.42±0.52 -0.6500±0.4000
PRF ΔθSQ(OOT) [arcsec] --- 0.24±0.4 0.23±0.42 0.5±0.38 0.7400±0.4400
PRF ΔαSQ(KIC) [arcsec] --- -0.35±0.41 -0.19±0.4 -0.4±0.37 -0.4600±0.5500
PRF ΔδSQ(KIC) [arcsec] --- -0.23±0.38 -0.39±0.31 -0.54±0.43 -0.8300±0.4100
PRF ΔθSQ(KIC) [arcsec] --- 0.42±0.37 0.43±0.3 0.67±0.39 0.9500±0.4500
Known Objects
1 Confirmed Planets
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
2 2MASS Point Source Catalog
Data Files
1 Kepler Time Series
1 SuperWASP Time Series
4 HATNet Time Series
1 Associated Literature Data
System
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