NASA
Exoplanet
Archive
A
service of
NASA
Exoplanet
Science
Institute

Kepler-57 Overview

Kepler-57 0.57 R⦿ 5145.00 K
Kepler-57 b
0.195 RJup
Kepler-57 c
0.138 RJup
Architecture
Kepler-57
Kepler-57
Kepler-57 b
Kepler-57 c
Other Data
Bibliography 19
Exoplanet Archive Notes 2
Nearby Data 7
Discovery Data
Host Planet Method Year Reference Disposition
Kepler-57 Kepler-57 b Transit 2012 Steffen et al. 2013 Confirmed Planet
Kepler-57 Kepler-57 c Transit 2012 Steffen et al. 2013 Confirmed Planet
Kepler-57 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)
Kepler-57 c
  • 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
19h34m33.92s
Dec
+44d39m25.45s
Distance
644.1400±8.6285 pc
Parallax
1.5238600±0.0206357 mas
Ecliptic Latitude
64.69773 deg
Ecliptic Longitude
311.86785 deg
Galactic Latitude
11.65774 deg
Galactic Longitude
77.41261 deg
Total Proper Motion
7.2207166±0.0355390 mas/yr
Proper Motion (RA)
4.1592500±0.0342345 mas/yr
Proper Motion (Dec)
5.9024900±0.0361692 mas/yr
Photometry
mV
15.017±0.126
mTESS
14.2169±0.0082
mJ
13.437±0.024
mH
13.022±0.022
mKs
12.897±0.028
mKep
14.809
mW1
12.913±0.023
mW2
12.972±0.024
mW3
12.865
mW4
9.346
mGaia
14.773800±0.000286
mB
16.019±0.049
mg
---
mi
---
mr
---
mz
---
Abundances
(Hypatia Catalog)
[Fe/H] 0.04±0.04 dex
[C/H] 0.03±0.09 dex
[O/H] 0.04±0.09 dex
[Na/H] -0.09±0.04 dex
[Mg/H] -0.01±0.07 dex
[Al/H] -0.12±0.06 dex
[Si/H] 0.00±0.05 dex
[Ca/H] 0.05±0.06 dex
[Y/H] 0.05±0.08 dex
Mission
Tools
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 Hadden et al. 2014 Batalha et al. 2013 Steffen et al. 2013 Latham et al. 2005 Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table Q1-Q17 DR25 KOI Table Q1-Q17 DR24 KOI Table Q1-Q17 DR24 KOI Table Q1-Q16 KOI Table Q1-Q16 KOI Table Q1-Q12 KOI Table Q1-Q12 KOI Table Q1-Q8 KOI Table Q1-Q8 KOI Table Q1-Q6 KOI Table Q1-Q6 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5170.320±112.852 5203±104
5005.30+118.46-97.64
5390.000+168.362-152.248
 --- 5145 5145 5145 --- ---
5320 +159-143
5320 +159-143
5324 +166-140
5324 +166-140
5324 +166-140
5324 +166-140
5324.00 +166.00-140.00
5324.00 +166.00-140.00
5294.00±80.00 5294.00±80.00 5145 5145
Metallicity
(dex)
0.1166130±0.0136486 [M/H] --- ---
-0.0700+0.1550-0.1660
[Fe/H] 		--- --- --- -0.045 [Fe/H] --- --- -0.06±0.3 [Fe/H] -0.06±0.3 [Fe/H] -0.040±0.280 [Fe/H] -0.040±0.280 [Fe/H] -0.040±0.280 [Fe/H] -0.040±0.280 [Fe/H] -0.040±0.280 [Fe/H] -0.040±0.280 [Fe/H] --- --- --- ---
R✶
(R⦿)
0.840262
0.825+0.037-0.035
0.8776037+0.0352679-0.0401108
0.840+0.083-0.057
 0.791 0.73 0.73 0.568 --- ---
0.786 +0.122-0.066
0.786 +0.122-0.066
0.791 +0.179-0.06
0.791 +0.179-0.06
0.791 +0.179-0.06
0.791 +0.179-0.06
0.7910 +0.1790-0.0600
0.7910 +0.1790-0.0600
0.7400±0.2700 0.7400±0.2700 .73 .73
log g
(log10(cm/s2))
4.53372 --- ---
4.540+0.044-0.083
 --- 4.63 4.63 4.87 --- ---
4.589 +0.028-0.105
4.589 +0.028-0.105
4.585 +0.026-0.15
4.585 +0.026-0.15
4.585 +0.026-0.15
4.585 +0.026-0.15
4.585 +0.026-0.150
4.585 +0.026-0.150
4.620±0.300 4.620±0.300 4.63 4.63
M✶
(M⦿)
0.88 --- ---
0.880+0.052-0.055
 0.88 0.82 0.83 --- --- ---
0.882 +0.061-0.104
0.882 +0.061-0.104
0.884 +0.066-0.098
0.884 +0.066-0.098
0.884 +0.066-0.098
0.884 +0.066-0.098
0.8840 +0.0660-0.0980
0.8840 +0.0660-0.0980
0.8430±0.0510 0.8430±0.0510 --- ---
L✶
(log10(L⦿))
-0.3424057 ---
-0.36098798+0.01554591-0.01612311
 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Age
(Gyr)
--- --- ---
4.680+5.580-2.950
 --- --- --- --- --- --- --- --- --- --- --- --- --- --- 0.6±3.8 0.6±3.8 --- ---
ρ✶
(g/cm3)
2.0912376 --- --- --- --- --- --- --- --- ---
17.18007 +13.57000-13.49255
8.98583 +0.57412-3.29469
0.07686 +0.01771-0.01654
2.74529 +15.21450-1.15749
0.07686 +0.01771-0.01654
2.74529 +15.21450-1.15749
2.74529 +15.21450-1.15749
0.07686 +0.01771-0.01654
--- --- --- ---
Print
Status
Confirmed Planet
Detected By
Transit Timing Variations, Transit
Tools
Transit Prediction Service
Kepler Names
KOI
Transit
Source Steffen et al. 2013 GajdoĊĦ et al. 2019 Berger et al. 2018 Holczer et al. 2016 Morton et al. 2016 Hadden et al. 2014 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
S
(S⨁)
--- ---
124.349+4.700-4.494
 --- --- --- ---
123.03 +61.68-30.46
124.97 +87.52-29.03
124.97 +87.52-29.03
124.97 +87.52-29.03
---
Rp
(R⨁)
2.19 ---
2.530+0.374-0.160
 ---
3.11+0.31-0.50
2.37 +0.54-0.18
---
2.41 +0.38-0.2
2.91 +0.65-0.22
2.91 +0.65-0.22
2.91 +0.65-0.22
2.23±0.96
Rp
(RJup)
0.195 ---
0.2257+0.0334-0.0143
 ---
0.277+0.028-0.045
0.211 +0.048-0.016
--- --- --- --- --- ---
Mp
(M⨁)
<115 --- --- --- ---
118.1 +24.1-25.5
--- --- --- --- --- ---
Mp
(MJup)
<0.362 --- --- --- ---
0.372 +0.076-0.080
--- --- --- --- --- ---
P
(days)
5.7293196±0.000018 5.7293201473±0.0000052368 --- 5.72932402±0.00000106 5.729328624±5.893e-06 5.729 5.729317577±4.529e-06 5.729317577±4.529e-06 5.729328624±5.893e-06 5.729328624±5.893e-06 5.729328624±5.893e-06 5.729319±1.7e-05
TC
(days)
2454971.5584±0.001 2454971.55966000±0.00075003 --- 2454965.829987±0.000924 2454971.558984±0.000837 --- 2454971.56±0.000641 2454971.56±0.000641 2454971.559±0.000837 2454971.559±0.000837 2454971.559±0.000837 2454971.5584±0.001
a/R✶
--- --- --- --- --- --- --- 31±12.2 16.83±7.8 16.83±7.8 16.83±7.8 33±14
Teq
(K)
--- --- --- --- --- --- --- 850 853 853 853 827
b
--- --- --- --- --- --- ---
0.597 +0.297-0.389
0.9155 +0.0123-0.3267
0.9155 +0.0123-0.3267
0.9155 +0.0123-0.3267
0.58±0.58
e
--- --- --- --- --- --- --- 0 0 0 0 0
i
(deg)
--- --- --- --- --- --- --- 88.9 87.09 87.09 87.09 88.81
Rp/R✶
0.02762±0.0066 --- --- ---
0.033651 +0.000145-0.004964
--- ---
0.028094 +0.003956-0.001311
0.033651 +0.000145-0.004964
0.033651 +0.000145-0.004964
0.033651 +0.000145-0.004964
0.0276±0.0066
a
(au)
--- --- --- --- --- --- --- .06 .06 .06 .06 .059
δ
(%)
--- --- --- 0.0910 --- --- --- 0.08654±0.00177 0.08741±0.00221 0.08741±0.00221 0.08741±0.00221 0.08550
T14
(hours)
1.1185 --- --- 1.4362 1.2501±0.0585 --- --- 1.1816±0.0247 1.2501±0.0585 1.2501±0.0585 1.2501±0.0585 1.1185
Print
Status
Confirmed Planet
Detected By
Transit Timing Variations, Transit
Tools
Transit Prediction Service
Kepler Names
KOI
Transit
Source Steffen et al. 2013 Berger et al. 2018 Holczer et al. 2016 Morton et al. 2016 Hadden et al. 2014 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
S
(S⨁)
---
48.574+1.836-1.755
 --- --- --- ---
48.06 +24.09-11.90
48.72 +34.11-11.32
48.72 +34.11-11.32
48.72 +34.11-11.32
---
Rp
(R⨁)
1.55
1.789+0.111-0.081
 ---
48.42+43.46-19.07
1.68 +0.38-0.13
---
1.71 +0.26-0.15
45.65 +10.33-3.47
45.65 +10.33-3.47
45.65 +10.33-3.47
1.58±0.68
Rp
(RJup)
0.138
0.1596+0.0099-0.0072
 ---
4.320+3.877-1.701
0.150 +0.034-0.012
--- --- --- --- --- ---
Mp
(M⨁)
<9.1 --- --- ---
7.4 +9.4-6.3
--- --- --- --- --- ---
Mp
(MJup)
<0.029 --- --- ---
0.023 +0.030-0.020
--- --- --- --- --- ---
P
(days)
11.6092567±0.000086 --- 11.60914938±0.00000485 11.60907117±3.665e-05 11.609 11.60908533±2.51e-05 11.60908533±2.51e-05 11.60907117±3.665e-05 11.60907117±3.665e-05 11.60907117±3.665e-05 11.609257±8.6e-05
Rp/R✶
0.01958±0.0046 --- ---
0.528449 +0.471139-0.204553
--- ---
0.019868 +0.000851-0.000294
0.528449 +0.471139-0.204553
0.528449 +0.471139-0.204553
0.528449 +0.471139-0.204553
0.0196±0.0046
T14
(hours)
1.7074 --- 2.0180 2.757±0.145 --- --- 2.2603±0.0523 2.757±0.145 2.757±0.145 2.757±0.145 1.7074
TC
(days)
2454966.99083±0.0027 --- 2454966.989304±0.004478 2454966.99432±0.00263 --- 2454966.993±0.00175 2454966.993±0.00175 2454966.994±0.00263 2454966.994±0.00263 2454966.994±0.00263 2454966.9908±0.0027
a/R✶
--- --- --- --- --- --- 40±2.6 8.18±1.9 8.18±1.9 8.18±1.9 53±23
Teq
(K)
--- --- --- --- --- --- 671 674 674 674 652
b
--- --- --- --- --- ---
0.03 +0.426-0.03
1.5079 +0.474-0.2131
1.5079 +0.474-0.2131
1.5079 +0.474-0.2131
0.02±0.93
e
--- --- --- --- --- --- 0 0 0 0 0
i
(deg)
--- --- --- --- --- --- 89.96 79.64 79.64 79.64 89.95
a
(au)
--- --- --- --- --- --- .096 .0961 .0961 .0961 .095
δ
(%)
--- --- 0.0576 --- --- --- 0.04893±0.00159 0.05176±0.00232 0.05176±0.00232 0.05176±0.00232 0.04820
Print
Kepler Detection Products (4 File Types, 19 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_q12_tce q1_q16_tce q1_q16_tce q1_q17_dr24_tce q1_q17_dr24_tce q1_q17_dr25_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 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 8564587 8564587 8564587 8564587 8564587 8564587 8564587
KOI Name K01270.01 K01270.01 K01270.01 K01270.01 K01270.01 K01270.01 K01270.01
Kepler Name Kepler-57 b Kepler-57 b Kepler-57 b Kepler-57 b Kepler-57 b Kepler-57 b Kepler-57 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 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] 5.729317577±4.529e-06 5.729317577±4.529e-06 5.729328624±5.893e-06 5.729328624±5.893e-06 5.729328624±5.893e-06 5.729319±1.7e-05 5.729319±1.7e-05
Transit Epoch [BKJD] 138.559971±0.000641 138.559971±0.000641 138.558984±0.000837 138.558984±0.000837 138.558984±0.000837 138.5584±0.001 138.5584±0.001
Transit Epoch [BJD] 2454971.56±0.000641 2454971.56±0.000641 2454971.559±0.000837 2454971.559±0.000837 2454971.559±0.000837 2454971.5584±0.001 2454971.5584±0.001
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 2 2 2 2 2 2 2
TCE Delivery q1_q17_dr25_tce q1_q17_dr25_tce q1_q17_dr24_tce q1_q16_tce q1_q12_tce --- ---
Link to DV Report kplr008564587-20160209194854_dvr.pdf kplr008564587-20160209194854_dvr.pdf kplr008564587-20141002224145_dvr.pdf kplr008564587-20130815195353_dvr.pdf kplr008564587-20121029204534_dvr.pdf --- ---
RA [decimal degrees] 293.6413 293.6413 293.6413 293.6413 293.6413 293.6413 293.6413
Dec [decimal degrees] 44.657039999999995 44.657039999999995 44.657039999999995 44.657039999999995 44.657039999999995 44.657039999999995 44.657039999999995
Kepler-band [mag] 14.809000000000001 14.809000000000001 14.809000000000001 14.809000000000001 14.809000000000001 14.809000000000001 14.809000000000001
g'-band [mag] 15.428 15.428 15.428 15.428 15.428 15.428 15.428
r'-band [mag] 14.736 14.736 14.736 14.736 14.736 14.736 14.736
i'-band [mag] 14.544 14.544 14.544 14.544 14.544 14.544 14.544
z'-band [mag] 14.437000000000001 14.437000000000001 14.437000000000001 14.437000000000001 14.437000000000001 14.437000000000001 14.437000000000001
J-band [mag] 13.437000000000001 13.437000000000001 13.437000000000001 13.437000000000001 13.437000000000001 13.437000000000001 13.437000000000001
H-band [mag] 13.022 13.022 13.022 13.022 13.022 13.022 13.022
K-band [mag] 12.897 12.897 12.897 12.897 12.897 12.897 12.897
Disposition Score --- 1.0 --- --- --- --- ---
Comment --- NO_COMMENT --- --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
0.597 +0.297-0.389
0.9155 +0.0123-0.3267
0.9155 +0.0123-0.3267
0.9155 +0.0123-0.3267
0.58±0.58 0.58±0.54
Transit Duration [hrs] --- 1.1816±0.0247 1.2501±0.0585 1.2501±0.0585 1.2501±0.0585 1.1185 1.1185
Transit Depth [ppm] --- 865.4±17.7 874.1±22.1 874.1±22.1 874.1±22.1 855 853
Planet-Star Radius Ratio ---
0.028094 +0.003956-0.001311
0.033651 +0.000145-0.004964
0.033651 +0.000145-0.004964
0.033651 +0.000145-0.004964
0.0276±0.0066 0.0276±0.0066
Fitted Stellar Density [g/cm**3] ---
17.18007 +13.57000-13.49255
2.74529 +15.21450-1.15749
2.74529 +15.21450-1.15749
2.74529 +15.21450-1.15749
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
2.41 +0.38-0.2
2.91 +0.65-0.22
2.91 +0.65-0.22
2.91 +0.65-0.22
2.23±0.96 2.19
Orbit Semi-Major Axis [au] --- .06 .06 .06 .06 .059 .059
Inclination [deg] --- 88.9 87.09 87.09 87.09 88.81 ---
Equilibrium Temperature [K] --- 850 853 853 853 827 797
Insolation Flux [Earth flux] ---
123.03 +61.68-30.46
124.97 +87.52-29.03
124.97 +87.52-29.03
124.97 +87.52-29.03
--- ---
Planet-Star Distance over Star Radius --- 31±12.2 16.83±7.8 16.83±7.8 16.83±7.8 33±14 33±14
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 -0.46230000000000004 ---
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 0.9534 ---
Limb Darkening Coeff. 2 --- 0.2043 0.2129 0.2129 0.2129 -0.2695 ---
Limb Darkening Coeff. 1 --- 0.49660000000000004 0.4834 0.4834 0.4834 0.5581 ---
Maximum Single Event Statistic --- 6.6898789999999995 7.3534584 --- --- --- ---
Maximum Multiple Event Statistic --- 41.120439999999995 43.83703 --- --- --- ---
Transit Signal-to-Noise --- 59.0 51.1 51.1 51.1 61.0 45.5
Number of Transits --- 230 229 --- --- --- ---
TCE Planet Number --- 1 1 1 1 --- ---
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.9073 --- --- --- --- ---
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 --- kplr008564587-001-20160209194854_dvs.pdf kplr008564587-001-20141002224145_dvs.pdf kplr008564587-001-20130826182306_dvs.pdf kplr008564587-001-20121115231752_dvs.pdf --- ---
Stellar Effective Temperature [K] ---
5320 +159-143
5324 +166-140
5324 +166-140
5324.00 +166.00-140.00
5294.00±80.00 5145
Stellar Surface Gravity [log10(cm/s**2)] ---
4.589 +0.028-0.105
4.585 +0.026-0.15
4.585 +0.026-0.15
4.585 +0.026-0.150
4.620±0.300 4.63
Stellar Metallicity [dex] --- -0.06±0.3 -0.040±0.280 -0.040±0.280 -0.040±0.280 --- ---
Stellar Radius [Solar radii] ---
0.786 +0.122-0.066
0.791 +0.179-0.06
0.791 +0.179-0.06
0.7910 +0.1790-0.0600
0.7400±0.2700 .73
Stellar Mass [Solar mass] ---
0.882 +0.061-0.104
0.884 +0.066-0.098
0.884 +0.066-0.098
0.8840 +0.0660-0.0980
0.8430±0.0510 ---
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault KIC
FW Source α(OOT) [hrs] --- 19.5760921±0.0000062 19.5760947±0.0000061 19.5760969±0.000006 19.576098900±0.000007200 19.576097100±0.000008000 ---
FW Source δ(OOT) [deg] --- 44.657117±0.000073 44.656971±0.000074 44.656974±0.000071 44.65687700±0.00008500 44.65684100±0.00008800 ---
FW Source Δα(OOT) [sec] --- 0.23±0.24 0.34±0.23 0.42±0.23 0.04200±0.02600 0.03200±0.02900 ---
FW Source Δδ(OOT) [arcsec] --- 0.28±0.26 -0.25±0.27 -0.24±0.26 -0.04400±0.02000 -0.05100±0.02100 ---
FW Δδ(OOT) [arcsec] --- -0.00019±0.00024 0.00026±0.00023 0.00027±0.00023 3.8e-05±1.9e-05 4.4e-05±9.2e-06 ---
PRF ΔαSQ(OOT) [arcsec] --- 0.08±0.12 0.07±0.11 0.07±0.1 0.0630±0.0870 0.0330±0.0930 ---
PRF ΔδSQ(OOT) [arcsec] --- 0.12±0.1 0.11±0.1 0.126±0.096 0.0970±0.0790 0.0800±0.1000 ---
PRF ΔθSQ(OOT) [arcsec] --- 0.14±0.11 0.14±0.11 0.147±0.097 0.1150±0.0810 0.0800±0.1000 ---
PRF ΔαSQ(KIC) [arcsec] --- 0.13±0.12 0.13±0.12 0.14±0.11 0.1240±0.0890 0.0940±0.0940 ---
PRF ΔδSQ(KIC) [arcsec] --- 0.27±0.1 0.27±0.11 0.265±0.094 0.2350±0.0770 0.2400±0.1000 ---
PRF ΔθSQ(KIC) [arcsec] --- 0.3±0.11 0.3±0.11 0.299±0.099 0.2660±0.0800 0.2540±0.0990 ---
FW Offset Significance [percent] --- --- 0.009000000000000001 0.002 0.0 0.0 ---
FW Δα(OOT) [sec] --- --- -0.00024±0.0002 -0.00031±0.0002 -3.7e-05±2.3e-05 -2.8e-05±1.3e-05 ---
Chi-Square --- --- --- --- --- 0.93 1.05
Stellar Age [Gyr] --- --- --- --- --- 0.6±3.8 ---
KepID 8564587 8564587 8564587 8564587 8564587 8564587 8564587
KOI Name K01270.02 K01270.02 K01270.02 K01270.02 K01270.02 K01270.02 K01270.02
Kepler Name Kepler-57 c Kepler-57 c Kepler-57 c Kepler-57 c Kepler-57 c Kepler-57 c Kepler-57 c
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] 11.60908533±2.51e-05 11.60908533±2.51e-05 11.60907117±3.665e-05 11.60907117±3.665e-05 11.60907117±3.665e-05 11.609257±8.6e-05 11.609257±8.6e-05
Transit Epoch [BKJD] 133.99324±0.00175 133.99324±0.00175 133.99432±0.00263 133.99432±0.00263 133.99432±0.00263 133.9908±0.0027 133.9908±0.0027
Transit Epoch [BJD] 2454966.993±0.00175 2454966.993±0.00175 2454966.994±0.00263 2454966.994±0.00263 2454966.994±0.00263 2454966.9908±0.0027 2454966.9908±0.0027
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 2 2 2 2 2 2 2
TCE Delivery q1_q17_dr25_tce q1_q17_dr25_tce q1_q17_dr24_tce q1_q16_tce q1_q12_tce --- ---
Link to DV Report kplr008564587-20160209194854_dvr.pdf kplr008564587-20160209194854_dvr.pdf kplr008564587-20141002224145_dvr.pdf kplr008564587-20130815195353_dvr.pdf kplr008564587-20121029204534_dvr.pdf --- ---
RA [decimal degrees] 293.6413 293.6413 293.6413 293.6413 293.6413 293.6413 293.6413
Dec [decimal degrees] 44.657039999999995 44.657039999999995 44.657039999999995 44.657039999999995 44.657039999999995 44.657039999999995 44.657039999999995
Kepler-band [mag] 14.809000000000001 14.809000000000001 14.809000000000001 14.809000000000001 14.809000000000001 14.809000000000001 14.809000000000001
g'-band [mag] 15.428 15.428 15.428 15.428 15.428 15.428 15.428
r'-band [mag] 14.736 14.736 14.736 14.736 14.736 14.736 14.736
i'-band [mag] 14.544 14.544 14.544 14.544 14.544 14.544 14.544
z'-band [mag] 14.437000000000001 14.437000000000001 14.437000000000001 14.437000000000001 14.437000000000001 14.437000000000001 14.437000000000001
J-band [mag] 13.437000000000001 13.437000000000001 13.437000000000001 13.437000000000001 13.437000000000001 13.437000000000001 13.437000000000001
H-band [mag] 13.022 13.022 13.022 13.022 13.022 13.022 13.022
K-band [mag] 12.897 12.897 12.897 12.897 12.897 12.897 12.897
Disposition Score --- 1.0 --- --- --- --- ---
Comment --- NO_COMMENT --- --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
0.03 +0.426-0.03
1.5079 +0.474-0.2131
1.5079 +0.474-0.2131
1.5079 +0.474-0.2131
0.02±0.93 0.02±0.91
Transit Duration [hrs] --- 2.2603±0.0523 2.757±0.145 2.757±0.145 2.757±0.145 1.7074 1.7074
Transit Depth [ppm] --- 489.3±15.9 517.6±23.2 517.6±23.2 517.6±23.2 482 470
Planet-Star Radius Ratio ---
0.019868 +0.000851-0.000294
0.528449 +0.471139-0.204553
0.528449 +0.471139-0.204553
0.528449 +0.471139-0.204553
0.0196±0.0046 0.0196±0.0046
Fitted Stellar Density [g/cm**3] ---
8.98583 +0.57412-3.29469
0.07686 +0.01771-0.01654
0.07686 +0.01771-0.01654
0.07686 +0.01771-0.01654
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
1.71 +0.26-0.15
45.65 +10.33-3.47
45.65 +10.33-3.47
45.65 +10.33-3.47
1.58±0.68 1.55
Orbit Semi-Major Axis [au] --- .096 .0961 .0961 .0961 .095 .094
Inclination [deg] --- 89.96 79.64 79.64 79.64 89.95 ---
Equilibrium Temperature [K] --- 671 674 674 674 652 631
Insolation Flux [Earth flux] ---
48.06 +24.09-11.90
48.72 +34.11-11.32
48.72 +34.11-11.32
48.72 +34.11-11.32
--- ---
Planet-Star Distance over Star Radius --- 40±2.6 8.18±1.9 8.18±1.9 8.18±1.9 53±23 53±23
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 -0.46230000000000004 ---
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 0.9534 ---
Limb Darkening Coeff. 2 --- 0.2043 0.2129 0.2129 0.2129 -0.2695 ---
Limb Darkening Coeff. 1 --- 0.49660000000000004 0.4834 0.4834 0.4834 0.5581 ---
Maximum Single Event Statistic --- 5.624893999999999 5.2887964 --- --- --- ---
Maximum Multiple Event Statistic --- 21.786614999999998 23.760748 --- --- --- ---
Transit Signal-to-Noise --- 34.1 27.7 27.7 27.7 31.3 22.900000000000002
Number of Transits --- 117 116 --- --- --- ---
TCE Planet Number --- 2 2 2 2 --- ---
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.7008 --- --- --- --- ---
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 --- kplr008564587-002-20160209194854_dvs.pdf kplr008564587-002-20141002224145_dvs.pdf kplr008564587-002-20130826182306_dvs.pdf kplr008564587-002-20121115231752_dvs.pdf --- ---
Stellar Effective Temperature [K] ---
5320 +159-143
5324 +166-140
5324 +166-140
5324.00 +166.00-140.00
5294.00±80.00 5145
Stellar Surface Gravity [log10(cm/s**2)] ---
4.589 +0.028-0.105
4.585 +0.026-0.15
4.585 +0.026-0.15
4.585 +0.026-0.150
4.620±0.300 4.63
Stellar Metallicity [dex] --- -0.06±0.3 -0.040±0.280 -0.040±0.280 -0.040±0.280 --- ---
Stellar Radius [Solar radii] ---
0.786 +0.122-0.066
0.791 +0.179-0.06
0.791 +0.179-0.06
0.7910 +0.1790-0.0600
0.7400±0.2700 .73
Stellar Mass [Solar mass] ---
0.882 +0.061-0.104
0.884 +0.066-0.098
0.884 +0.066-0.098
0.8840 +0.0660-0.0980
0.8430±0.0510 ---
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault KIC
FW Source α(OOT) [hrs] --- 19.576097±0.000012 19.5761±0.000011 19.576093±0.000011 19.576091000±0.000014000 --- ---
FW Source δ(OOT) [deg] --- 44.65703±0.00013 44.65715±0.00013 44.6571±0.00013 44.65696000±0.00017000 --- ---
FW Source Δα(OOT) [sec] --- 0.44±0.45 0.55±0.42 0.28±0.42 0.01400±0.05100 --- ---
FW Source Δδ(OOT) [arcsec] --- -0.02±0.48 0.38±0.47 0.23±0.48 -0.02300±0.04000 --- ---
FW Δδ(OOT) [arcsec] --- 4e-05±0.00025 -0.00015±0.00023 -8e-05±0.00024 1.1e-05±2e-05 --- ---
PRF ΔαSQ(OOT) [arcsec] --- 0.03±0.39 0.07±0.38 0.09±0.42 0.0900±0.1500 --- ---
PRF ΔδSQ(OOT) [arcsec] --- -0.09±0.37 -0.07±0.4 -0.13±0.37 -0.2500±0.1600 --- ---
PRF ΔθSQ(OOT) [arcsec] --- 0.09±0.46 0.1±0.54 0.16±0.54 0.2600±0.1600 --- ---
PRF ΔαSQ(KIC) [arcsec] --- 0.08±0.37 0.13±0.36 0.15±0.4 0.1500±0.1500 --- ---
PRF ΔδSQ(KIC) [arcsec] --- 0.07±0.35 0.09±0.39 0.02±0.39 -0.1200±0.1600 --- ---
PRF ΔθSQ(KIC) [arcsec] --- 0.11±0.15 0.16±0.49 0.15±0.54 0.1900±0.1500 --- ---
FW Offset Significance [percent] --- --- 0.04 0.509 0.51 --- ---
FW Δα(OOT) [sec] --- --- -0.00024±0.0002 -0.00011±0.00021 -7e-06±2.5e-05 --- ---
Chi-Square --- --- --- --- --- 1.45 1.45
Stellar Age [Gyr] --- --- --- --- --- 0.6±3.8 ---
Known Objects
2 Confirmed Planets
2 Kepler Objects of Interest (KOIs)
2 Threshold Crossing Events (TCEs)
3 2MASS Point Source Catalog
Data Files
2 Kepler Time Series
1 SuperWASP Time Series
2 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
External Link
Search
Browse
Download

NASA Exoplanet Archive is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program.