KOI-1957 Overview

KOI-1957 1.25 R⦿ 6191.00 K
KOI-1957.01
KOI-1957.02
Architecture
KOI-1957
KOI-1957
KOI-1957.01
KOI-1957.02
Other Data
Bibliography 10
Nearby Data 5
Discovery Data
Host Planet Method Year Reference Disposition
KOI-1957 KOI-1957.01 Transit 2014 Q1-Q8 KOI Table Candidate Planet
KOI-1957 KOI-1957.02 Transit 2015 Q1-Q17 DR24 KOI Table False Positive Candidate
RA
19h51m10.13s
Dec
+46d56m08.75s
Distance
1425.26+44.84-42.23
pc
Parallax
0.673283±0.021253 mas
Ecliptic Latitude
65.58557 deg
Ecliptic Longitude
320.37735 deg
Galactic Latitude
10.16839 deg
Galactic Longitude
80.84274 deg
Total Proper Motion
10.5070018±0.0489640 mas/yr
Proper Motion (RA)
-4.8531000±0.0418323 mas/yr
Proper Motion (Dec)
-9.3190400±0.0507256 mas/yr
Photometry
mV
12.682±0.103
mTESS
12.2054±0.0075
mJ
11.671±0.022
mH
11.425±0.019
mKs
11.359±0.018
mKep
12.655
mW1
11.222±0.021
mW2
11.267±0.019
mW3
11.283±0.116
mW4
9.345
mGaia
12.59720±0.00017
mB
13.176±0.042
mg
12.969
mi
12.520
mr
12.594
mz
12.473
Source TICv8 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-Q12 KOI Table Q1-Q8 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
6412.000+122.134-121.819
6191 --- ---
6823 +61-91
6823 +61-91
6419 +149-205
6419 +149-205
6419 +149-205
6419.00 +149.00-205.00
6416.00±81.00
Metallicity
(dex)
--- -0.191 [Fe/H] --- ---
0.36 +0.1-0.2
[Fe/H]
0.36 +0.1-0.2
[Fe/H]
-0.200 +0.240-0.300
[Fe/H]
-0.200 +0.240-0.300
[Fe/H]
-0.200 +0.240-0.300
[Fe/H]
-0.200 +0.240-0.300
[Fe/H]
---
R
(R⦿)
3.339020+0.150471-0.211765
1.253 --- ---
2.037 +0.486-0.365
2.037 +0.486-0.365
1.188 +0.713-0.161
1.188 +0.713-0.161
1.188 +0.713-0.161
1.1880 +0.7130-0.1610
1.2600±0.3900
log g
(log10(cm/s2))
3.5014200+0.0932557-0.0966464
4.30 --- ---
4.04 +0.121-0.148
4.04 +0.121-0.148
4.321 +0.1-0.328
4.321±0.1
4.321 +0.1-0.328
4.321 +0.100-0.328
4.300±0.300
ρ
(g/cm3)
0.0488539+0.0133855-0.0121290
--- --- ---
0.03668 +0.02710-0.02936
0.04386 +0.16366-0.00477
3.28087 +3.46976-0.10147
0.00719 +0.00734-0.00302
3.28087 +3.46976-0.10147
3.28087 +3.46976-0.10147
---
M
(M⦿)
1.290000+0.270885-0.152380
--- --- --- 1.66±0.155 1.66±0.155
1.073 +0.286-0.106
1.073 +0.286-0.106
1.073 +0.286-0.106
1.0730 +0.2860-0.1060
1.1700±0.1100
L
(log10(L⦿))
1.229906+0.031833-0.034349
--- --- --- --- --- --- --- --- --- ---
Age
(Gyr)
--- --- --- --- --- --- --- --- --- --- 2.59±0.69
Status
Candidate Planet
Detected By
Transit
Source 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
--- 1.646±0.768 6.94±2.4 6.94±2.4 6.94±2.4 5.1±2.3
Teq
(K)
--- 2530 1952 1952 1952 1969
b
---
1.115 +1.278-0.089
0.5711 +0.3579-0.3694
0.5711 +0.3579-0.3694
0.5711 +0.3579-0.3694
0.8±0.57
S
(S)
---
9703.01 +5721.83-3507.57
3431.07 +6198.89-1179.15
3431.07 +6198.89-1179.15
3431.07 +6198.89-1179.15
---
e
--- 0 0 0 0 0
i
(deg)
--- 47.35 85.37 85.37 85.37 80.79
P
(days)
1.38680229±8.76e-07 1.38680229±8.76e-07 1.386801364±3.167e-06 1.386801364±3.167e-06 1.386801364±3.167e-06 1.3868003±3.5e-06
Rp
(R)
---
29.33 +7-5.25
1.89 +1.13-0.26
1.89 +1.13-0.26
1.89 +1.13-0.26
2.2±1.2
Rp/R
---
0.131874 +1.270451-0.082962
0.014572 +0.000161-0.000816
0.014572 +0.000161-0.000816
0.014572 +0.000161-0.000816
0.0158±0.0076
a
(au)
--- .0288 .025 .025 .025 .026
δ
(%)
--- 0.02423±0.00035 0.02321±0.00122 0.02321±0.00122 0.02321±0.00122 0.02320
T14
(hours)
--- 1.7065±0.0295 1.2886±0.0672 1.2886±0.0672 1.2886±0.0672 1.3403
TC
(days)
2454965.532±0.000502 2454965.532±0.000502 2454965.533±0.0018 2454965.533±0.0018 2454965.533±0.0018 2454965.5325±0.0016
Status
False Positive Candidate
Detected By
Transit
Source Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table Q1-Q17 DR24 KOI Table
a/R
--- 1.812±0.669 1.053±0.358
Teq
(K)
--- 2340 1806
b
---
0.008 +1.09-0.981
0.6365 +0.0507-0.4271
S
(S)
---
7086.50 +4178.88-2561.72
2515.04 +4543.89-864.34
e
--- 0 0
i
(deg)
--- 89.75 52.71
P
(days)
1.75147897±1.111e-05 1.75147897±1.111e-05 1.75148531±2.457e-05
Rp
(R)
---
1.8 +0.43-0.32
7.34 +4.41-0.99
Rp/R
---
0.008101 +0.099151-0.003671
0.056581 +0.002086-0.018157
a
(au)
--- .0337 .0292
δ
(%)
--- 0.00767±0.00083
0.34500+0.09010-0.09010
T14
(hours)
--- 7.89±2.3 12.4±2.6
TC
(days)
2454965.475±0.0021 2454965.475±0.0021 2454965.476±0.009
Kepler Detection Products (4 File Types, 17 Files)
Kepler Detection Products
Kepler Pipeline Data Validation Summaries q1_q16_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Detection Products
Kepler Pipeline Data Validation Summaries q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Object of Interest
KepID 10028352 10028352 10028352 10028352 10028352 10028352
KOI Name K01957.01 K01957.01 K01957.01 K01957.01 K01957.01 K01957.01
Exoplanet Archive Disposition CANDIDATE CANDIDATE CANDIDATE NOT DISPOSITIONED NOT DISPOSITIONED CANDIDATE
Vetting Status 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
Disposition Using Kepler Data CANDIDATE CANDIDATE CANDIDATE 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
Orbital Period [days] 1.38680229±8.76e-07 1.38680229±8.76e-07 1.386801364±3.167e-06 1.386801364±3.167e-06 1.386801364±3.167e-06 1.3868003±3.5e-06
Transit Epoch [BKJD] 132.532038±0.000502 132.532038±0.000502 132.53281±0.0018 132.53281±0.0018 132.53281±0.0018 132.5325±0.0016
Transit Epoch [BJD] 2454965.532±0.000502 2454965.532±0.000502 2454965.533±0.0018 2454965.533±0.0018 2454965.533±0.0018 2454965.5325±0.0016
Parameters Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi q1_q16_koi q1_q12_koi q1_q8_koi
Number of Planets 2 2 2 1 1 1
TCE Delivery q1_q17_dr25_tce q1_q17_dr25_tce q1_q17_dr24_tce q1_q16_tce --- ---
Link to DV Report kplr010028352-20160209194854_dvr.pdf kplr010028352-20160209194854_dvr.pdf kplr010028352-20141002224145_dvr.pdf kplr010028352-20130815195353_dvr.pdf --- ---
RA [decimal degrees] 297.79224 297.79224 297.79224 297.79224 297.79224 297.79224
Dec [decimal degrees] 46.935829 46.935829 46.935829 46.935829 46.935829 46.935829
Kepler-band [mag] 12.655000000000001 12.655000000000001 12.655000000000001 12.655000000000001 12.655000000000001 12.655000000000001
g'-band [mag] 12.969000000000001 12.969000000000001 12.969000000000001 12.969000000000001 12.969000000000001 12.969000000000001
r'-band [mag] 12.594000000000001 12.594000000000001 12.594000000000001 12.594000000000001 12.594000000000001 12.594000000000001
i'-band [mag] 12.52 12.52 12.52 12.52 12.52 12.52
z'-band [mag] 12.473 12.473 12.473 12.473 12.473 12.473
J-band [mag] 11.671000000000001 11.671000000000001 11.671000000000001 11.671000000000001 11.671000000000001 11.671000000000001
H-band [mag] 11.425 11.425 11.425 11.425 11.425 11.425
K-band [mag] 11.359 11.359 11.359 11.359 11.359 11.359
Disposition Score --- 1.0 --- --- --- ---
Comment --- NO_COMMENT --- --- --- ---
Eccentricity --- 0 0 0 0 0
Impact Parameter ---
1.115 +1.278-0.089
0.5711 +0.3579-0.3694
0.5711 +0.3579-0.3694
0.5711 +0.3579-0.3694
0.8±0.57
Transit Duration [hrs] --- 1.7065±0.0295 1.2886±0.0672 1.2886±0.0672 1.2886±0.0672 1.3403
Transit Depth [ppm] --- 242.3±3.5 232.1±12.2 232.1±12.2 232.1±12.2 232
Planet-Star Radius Ratio ---
0.131874 +1.270451-0.082962
0.014572 +0.000161-0.000816
0.014572 +0.000161-0.000816
0.014572 +0.000161-0.000816
0.0158±0.0076
Fitted Stellar Density [g/cm**3] ---
0.04386 +0.16366-0.00477
3.28087 +3.46976-0.10147
3.28087 +3.46976-0.10147
3.28087 +3.46976-0.10147
---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC ---
Planetary Radius [Earth radii] ---
29.33 +7-5.25
1.89 +1.13-0.26
1.89 +1.13-0.26
1.89 +1.13-0.26
2.2±1.2
Orbit Semi-Major Axis [au] --- .0288 .025 .025 .025 .026
Inclination [deg] --- 47.35 85.37 85.37 85.37 80.79
Equilibrium Temperature [K] --- 2530 1952 1952 1952 1969
Insolation Flux [Earth flux] ---
9703.01 +5721.83-3507.57
3431.07 +6198.89-1179.15
3431.07 +6198.89-1179.15
3431.07 +6198.89-1179.15
---
Planet-Star Distance over Star Radius --- 1.646±0.768 6.94±2.4 6.94±2.4 6.94±2.4 5.1±2.3
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
Limb Darkening Coeff. 4 --- 0.0 0.0 0.0 0.0 0.2394
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 -0.7614000000000001
Limb Darkening Coeff. 2 --- 0.3325 0.30810000000000004 0.30810000000000004 0.30810000000000004 0.8932
Limb Darkening Coeff. 1 --- 0.2733 0.3009 0.3009 0.3009 0.3059
Maximum Single Event Statistic --- 5.7645755 9.69852 --- --- ---
Maximum Multiple Event Statistic --- 64.17891 65.00207499999999 --- --- ---
Transit Signal-to-Noise --- 84.4 27.400000000000002 27.400000000000002 27.400000000000002 30.400000000000002
Number of Transits --- 766 764 --- --- ---
TCE Planet Number --- 1 1 1 --- ---
Quarters --- 11111101110111011000000000000000 11111101110111011000000000000000 --- --- ---
Odd-Even Depth Comparision Statistic --- 0.9063 --- --- --- ---
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)
Link to DV Summary --- kplr010028352-001-20160209194854_dvs.pdf kplr010028352-001-20141002224145_dvs.pdf kplr010028352-001-20130826182306_dvs.pdf --- ---
Stellar Effective Temperature [K] ---
6823 +61-91
6419 +149-205
6419 +149-205
6419.00 +149.00-205.00
6416.00±81.00
Stellar Surface Gravity [log10(cm/s**2)] ---
4.04 +0.121-0.148
4.321 +0.1-0.328
4.321 +0.1-0.328
4.321 +0.100-0.328
4.300±0.300
Stellar Metallicity [dex] ---
0.36 +0.1-0.2
-0.200 +0.240-0.300
-0.200 +0.240-0.300
-0.200 +0.240-0.300
---
Stellar Radius [Solar radii] ---
2.037 +0.486-0.365
1.188 +0.713-0.161
1.188 +0.713-0.161
1.1880 +0.7130-0.1610
1.2600±0.3900
Stellar Mass [Solar mass] --- 1.66±0.155
1.073 +0.286-0.106
1.073 +0.286-0.106
1.0730 +0.2860-0.1060
1.1700±0.1100
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault
FW Offset Significance [percent] --- 0.0 0.0 0.0 --- ---
FW Source α(OOT) [hrs] --- 19.8528152±0.0000043 19.8528105±0.0000043 19.8528132±0.000004 --- ---
FW Source δ(OOT) [deg] --- 46.935776±0.000045 46.935811±0.000042 46.935819±0.000041 --- ---
FW Source Δα(OOT) [sec] --- -0.03±0.16 -0.2±0.16 -0.1±0.15 --- ---
FW Source Δδ(OOT) [arcsec] --- -0.19±0.16 -0.07±0.15 -0.04±0.15 --- ---
FW Δα(OOT) [sec] --- -0.000135±3.5e-05 -8.5e-05±3.6e-05 -0.000103±3.4e-05 --- ---
FW Δδ(OOT) [arcsec] --- 0.00015±3.6e-05 0.000124±3.4e-05 0.000114±3.4e-05 --- ---
PRF ΔαSQ(OOT) [arcsec] --- -0.02±0.15 0.09±0.15 0.05±0.11 --- ---
PRF ΔδSQ(OOT) [arcsec] --- -0.31±0.25 -0.17±0.23 -0.102±0.098 --- ---
PRF ΔθSQ(OOT) [arcsec] --- 0.31±0.25 0.19±0.21 0.11±0.1 --- ---
PRF ΔαSQ(KIC) [arcsec] --- -0.13±0.15 -0.03±0.15 -0.058±0.099 --- ---
PRF ΔδSQ(KIC) [arcsec] --- -0.33±0.25 -0.25±0.23 -0.196±0.1 --- ---
PRF ΔθSQ(KIC) [arcsec] --- 0.36±0.24 0.25±0.23 0.204±0.1 --- ---
Chi-Square --- --- --- --- --- 1.26
Stellar Age [Gyr] --- --- --- --- --- 2.59±0.69
KepID 10028352 10028352 10028352
KOI Name K01957.02 K01957.02 K01957.02
Exoplanet Archive Disposition FALSE POSITIVE FALSE POSITIVE CANDIDATE
Vetting Status Done Done Done
Date of Last Parameter Update 2018-08-16 2017-08-31 2015-09-24
Disposition Using Kepler Data FALSE POSITIVE FALSE POSITIVE CANDIDATE
Not Transit-Like False Positive Flag 0 1 0
Stellar Eclipse False Positive Flag 1 0 0
Centroid Offset False Positive Flag 0 0 0
Ephemeris Match Indicates Contamination False Positive Flag 0 0 0
Disposition Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi
Orbital Period [days] 1.75147897±1.111e-05 1.75147897±1.111e-05 1.75148531±2.457e-05
Transit Epoch [BKJD] 132.47509±0.0021 132.47509±0.0021 132.476±0.009
Transit Epoch [BJD] 2454965.475±0.0021 2454965.475±0.0021 2454965.476±0.009
Parameters Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi
Number of Planets 2 2 2
TCE Delivery q1_q17_dr25_tce q1_q17_dr25_tce q1_q17_dr24_tce
Link to DV Report kplr010028352-20160209194854_dvr.pdf kplr010028352-20160209194854_dvr.pdf kplr010028352-20141002224145_dvr.pdf
RA [decimal degrees] 297.79224 297.79224 297.79224
Dec [decimal degrees] 46.935829 46.935829 46.935829
Kepler-band [mag] 12.655000000000001 12.655000000000001 12.655000000000001
g'-band [mag] 12.969000000000001 12.969000000000001 12.969000000000001
r'-band [mag] 12.594000000000001 12.594000000000001 12.594000000000001
i'-band [mag] 12.52 12.52 12.52
z'-band [mag] 12.473 12.473 12.473
J-band [mag] 11.671000000000001 11.671000000000001 11.671000000000001
H-band [mag] 11.425 11.425 11.425
K-band [mag] 11.359 11.359 11.359
Disposition Score --- 0.0 ---
Comment --- SWEET_NTL---LPP_DV ---
Eccentricity --- 0 0
Impact Parameter ---
0.008 +1.09-0.981
0.6365 +0.0507-0.4271
Transit Duration [hrs] --- 7.89±2.3 12.4±2.6
Transit Depth [ppm] --- 76.7±8.3 3450±901
Planet-Star Radius Ratio ---
0.008101 +0.099151-0.003671
0.056581 +0.002086-0.018157
Fitted Stellar Density [g/cm**3] ---
0.03668 +0.02710-0.02936
0.00719 +0.00734-0.00302
Planetary Fit Type --- LS+MCMC MCMC
Planetary Radius [Earth radii] ---
1.8 +0.43-0.32
7.34 +4.41-0.99
Orbit Semi-Major Axis [au] --- .0337 .0292
Inclination [deg] --- 89.75 52.71
Equilibrium Temperature [K] --- 2340 1806
Insolation Flux [Earth flux] ---
7086.50 +4178.88-2561.72
2515.04 +4543.89-864.34
Planet-Star Distance over Star Radius --- 1.812±0.669 1.053±0.358
Limb Darkening Model --- Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS
Limb Darkening Coeff. 4 --- 0.0 0.0
Limb Darkening Coeff. 3 --- 0.0 0.0
Limb Darkening Coeff. 2 --- 0.3325 0.30810000000000004
Limb Darkening Coeff. 1 --- 0.2733 0.3009
Maximum Single Event Statistic --- 3.3648683999999998 3.8234286
Maximum Multiple Event Statistic --- 11.96055 11.128041999999999
Transit Signal-to-Noise --- 68.2 2.3000000000000003
Number of Transits --- 616 609
TCE Planet Number --- 2 2
Quarters --- 11111101110111011000000000000000 11111101110111011000000000000000
Odd-Even Depth Comparision Statistic --- 0.5846 ---
Transit Model --- Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171)
Link to DV Summary --- kplr010028352-002-20160209194854_dvs.pdf kplr010028352-002-20141002224145_dvs.pdf
Stellar Effective Temperature [K] ---
6823 +61-91
6419 +149-205
Stellar Surface Gravity [log10(cm/s**2)] ---
4.04 +0.121-0.148
4.321±0.1
Stellar Metallicity [dex] ---
0.36 +0.1-0.2
-0.200 +0.240-0.300
Stellar Radius [Solar radii] ---
2.037 +0.486-0.365
1.188 +0.713-0.161
Stellar Mass [Solar mass] --- 1.66±0.155
1.073 +0.286-0.106
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q17
FW Offset Significance [percent] --- 0.003 0.014
FW Source α(OOT) [hrs] --- 19.852838±0.000019 19.852833±0.000025
FW Source δ(OOT) [deg] --- 46.93574±0.0002 46.93578±0.00024
FW Source Δα(OOT) [sec] --- 0.8±0.71 0.64±0.94
FW Source Δδ(OOT) [arcsec] --- -0.33±0.72 -0.18±0.86
FW Δα(OOT) [sec] --- -5.5e-05±2.7e-05 -3.5e-05±2.7e-05
FW Δδ(OOT) [arcsec] --- 3.1e-05±2.7e-05 1.9e-05±2.5e-05
PRF ΔαSQ(OOT) [arcsec] --- -0.006±0.07 0.029±0.079
PRF ΔδSQ(OOT) [arcsec] --- -0.053±0.068 -0.132±0.099
PRF ΔθSQ(OOT) [arcsec] --- 0.053±0.069 0.13±0.1
PRF ΔαSQ(KIC) [arcsec] --- -0.114±0.07 -0.076±0.079
PRF ΔδSQ(KIC) [arcsec] --- -0.164±0.071 -0.252±0.092
PRF ΔθSQ(KIC) [arcsec] --- 0.199±0.072 0.263±0.091
Known Objects
2 Kepler Objects of Interest (KOIs)
4 Threshold Crossing Events (TCEs)
9 2MASS Point Source Catalog
Data Files
2 Kepler Time Series
3 SuperWASP Time Series
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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