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KOI-4957 Overview

KOI-4957 0.51 R⦿ 3718.00 K
Χ
KOI-4957.01
?
KOI-4957.02
Architecture
KOI-4957
KOI-4957
KOI-4957.01
KOI-4957.02
Other Data
Bibliography 8
Nearby Data 5
Discovery Data
Host Planet Method Year Reference Disposition
KOI-4957 KOI-4957.01 Transit 2014 Q1-Q16 KOI Table False Positive Candidate
KOI-4957 KOI-4957.02 Transit 2015 Q1-Q17 DR24 KOI Table Candidate Planet
RA
19h33m07.48s
Dec
+38d04m55.93s
Distance
230.422±1.805 pc
Parallax
4.3113600±0.0337349 mas
Ecliptic Latitude
58.59464 deg
Ecliptic Longitude
306.65762 deg
Galactic Latitude
8.88932 deg
Galactic Longitude
71.34489 deg
Total Proper Motion
16.7771935±0.0567199 mas/yr
Proper Motion (RA)
16.2177000±0.0562232 mas/yr
Proper Motion (Dec)
-4.2965600±0.0633756 mas/yr
Photometry
mV
16.069±0.012
mTESS
14.486600±0.007419
mJ
13.204±0.023
mH
12.551±0.023
mKs
12.372±0.026
mKep
15.555
mW1
12.215±0.035
mW2
12.164±0.036
mW3
12.136±0.311
mW4
8.993
mGaia
15.531500±0.000501
mg
17.128
mi
14.880
mr
15.728
mz
14.447
Mission
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
KOI
Kepler Stellar Data
Kepler Positional Probabilities
Q1-Q17 DR25 False Positive Probabilities
Kepler Certified False Positive
Q1-Q16 DR25 TCE
Kepler Time Series
Kepler TCE Time Series
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 DR24 KOI Table Q1-Q16 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
3718.0±157.0 3720 --- ---
3606 +57-72
3606 +57-79
---
L✶
(log10(L⦿))
-1.34243+0.09032-0.11417
 --- --- --- --- --- ---
ρ✶
(g/cm3)
5.3161730±0.2738771 --- --- ---
10.37968 +1.72756-5.88051
7.34662 +5.85500-6.97588
---
M✶
(M⦿)
0.5115570±0.0206029 --- --- ---
0.413 +0.037-0.047
0.422±0.06 ---
R✶
(R⦿)
0.5138310±0.0157117 0.504 --- ---
0.395 +0.036-0.044
0.4 +0.05-0.06
---
log g
(log10(cm/s2))
4.725320±0.009067 4.67 --- ---
4.859 +0.045-0.036
4.859±0.07 ---
Metallicity
(dex)
--- 0.108 [Fe/H] --- --- -0.2±0.1 [Fe/H] -0.200±0.100 [Fe/H] ---
Print
Status
False Positive Candidate
Detected By
Transit
Tools
Transit Prediction Service
KOI
Source Q1-Q17 DR25 Supplemental KOI Table Q1-Q16 KOI Table
P
(days)
105.52127462 105.52127462
T14
(hours)
--- 2.52
TC
(days)
2454978.468 2454978.468
Print
Status
Candidate Planet
Detected By
Transit
Tools
Transit Prediction Service
KOI
Source Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table Q1-Q17 DR24 KOI Table
a/R✶
--- 23.9±4 21.3±8.5
Teq
(K)
--- 485 486
b
---
0.069 +0.382-0.069
0.4972 +0.4591-0.2869
S
(S⨁)
---
13.07 +3.50-3.55
13.16 +4.57-4.46
e
--- 0 0
i
(deg)
--- 89.83 88.81
P
(days)
4.98792404±3.257e-05 4.98792404±3.257e-05 4.98791445±3.653e-05
Rp
(R⨁)
---
0.73 +0.06-0.08
0.76 +0.09-0.12
Rp/R✶
---
0.016879 +0.001138-0.001112
0.017339 +0.001368-0.001161
a
(au)
--- .0425 .0429
δ
(%)
--- 0.03462±0.00395 0.03449±0.00454
T14
(hours)
--- 1.618±0.156 1.589±0.198
TC
(days)
2454966.655±0.0061 2454966.655±0.0061 2454966.654±0.00682
Print
Kepler Detection Products (4 File Types, 13 Files)
Kepler Pipeline Data Validation Reports q1_q16_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Pipeline Data Validation Summaries 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_q16_tce
Kepler Detection Products
Kepler Pipeline Data Validation Summaries q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Object of Interest
KepID 2861126 2861126
KOI Name K04957.01 K04957.01
Exoplanet Archive Disposition FALSE POSITIVE FALSE POSITIVE
Vetting Status Done Done
Date of Last Parameter Update 2018-08-16 2014-12-18
Disposition Using Kepler Data FALSE POSITIVE FALSE POSITIVE
Not Transit-Like False Positive Flag 1 1
Stellar Eclipse False Positive Flag 0 0
Centroid Offset False Positive Flag 0 0
Ephemeris Match Indicates Contamination False Positive Flag 0 0
Disposition Provenance q1_q17_dr25_sup_koi q1_q16_koi
Orbital Period [days] 105.52127462 105.52127462
Transit Epoch [BKJD] 145.4682374 145.4682374
Transit Epoch [BJD] 2454978.468 2454978.468
Parameters Provenance q1_q17_dr25_sup_koi q1_q16_koi
Number of Planets 2 1
TCE Delivery q1_q17_dr25_tce q1_q16_tce
Link to DV Report kplr002861126-20160209194854_dvr.pdf kplr002861126-20130815195353_dvr.pdf
RA [decimal degrees] 293.28110000000004 293.28110000000004
Dec [decimal degrees] 38.082240999999996 38.082240999999996
Kepler-band [mag] 15.555000000000001 15.555000000000001
g'-band [mag] 17.128 17.128
r'-band [mag] 15.728000000000002 15.728000000000002
i'-band [mag] 14.88 14.88
z'-band [mag] 14.447000000000001 14.447000000000001
J-band [mag] 13.204 13.204
H-band [mag] 12.551 12.551
K-band [mag] 12.372 12.372
Transit Duration [hrs] --- 2.52
Planetary Fit Type --- none
TCE Planet Number --- 1
Link to DV Summary --- kplr002861126-001-20130826182306_dvs.pdf
FW Offset Significance [percent] --- 0.026000000000000002
FW Source α(OOT) [hrs] --- 19.552057±0.000011
FW Source δ(OOT) [deg] --- 38.08255±0.00014
FW Source Δα(OOT) [sec] --- -0.66±0.45
FW Source Δδ(OOT) [arcsec] --- 1.1±0.49
FW Δα(OOT) [sec] --- 0.00011±0.0006
FW Δδ(OOT) [arcsec] --- 0.00072±0.0007
PRF ΔαSQ(OOT) [arcsec] --- 8.5±6.3
PRF ΔδSQ(OOT) [arcsec] --- -3.7±7.8
PRF ΔθSQ(OOT) [arcsec] --- 9.2±6.6
PRF ΔαSQ(KIC) [arcsec] --- -0±1.8
PRF ΔδSQ(KIC) [arcsec] --- -1.41±0.41
PRF ΔθSQ(KIC) [arcsec] --- 1.41±0.97
KepID 2861126 2861126 2861126
KOI Name K04957.02 K04957.02 K04957.02
Exoplanet Archive Disposition CANDIDATE CANDIDATE CANDIDATE
Vetting Status Done Done Done
Date of Last Parameter Update 2018-08-16 2017-08-31 2015-09-24
Disposition Using Kepler Data CANDIDATE CANDIDATE CANDIDATE
Not Transit-Like False Positive Flag 0 0 0
Stellar Eclipse False Positive Flag 0 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] 4.98792404±3.257e-05 4.98792404±3.257e-05 4.98791445±3.653e-05
Transit Epoch [BKJD] 133.6552±0.0061 133.6552±0.0061 133.65405±0.00682
Transit Epoch [BJD] 2454966.655±0.0061 2454966.655±0.0061 2454966.654±0.00682
Parameters Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi
Number of Planets 2 1 1
TCE Delivery q1_q17_dr25_tce q1_q17_dr25_tce q1_q17_dr24_tce
Link to DV Report kplr002861126-20160209194854_dvr.pdf kplr002861126-20160209194854_dvr.pdf kplr002861126-20141002224145_dvr.pdf
RA [decimal degrees] 293.28110000000004 293.28110000000004 293.28110000000004
Dec [decimal degrees] 38.082240999999996 38.082240999999996 38.082240999999996
Kepler-band [mag] 15.555000000000001 15.555000000000001 15.555000000000001
g'-band [mag] 17.128 17.128 17.128
r'-band [mag] 15.728000000000002 15.728000000000002 15.728000000000002
i'-band [mag] 14.88 14.88 14.88
z'-band [mag] 14.447000000000001 14.447000000000001 14.447000000000001
J-band [mag] 13.204 13.204 13.204
H-band [mag] 12.551 12.551 12.551
K-band [mag] 12.372 12.372 12.372
Disposition Score --- 0.997 ---
Comment --- CENT_KIC_POS KIC_OFFSET
Eccentricity --- 0 0
Impact Parameter ---
0.069 +0.382-0.069
0.4972 +0.4591-0.2869
Transit Duration [hrs] --- 1.618±0.156 1.589±0.198
Transit Depth [ppm] --- 346.2±39.5 344.9±45.4
Planet-Star Radius Ratio ---
0.016879 +0.001138-0.001112
0.017339 +0.001368-0.001161
Fitted Stellar Density [g/cm**3] ---
10.37968 +1.72756-5.88051
7.34662 +5.85500-6.97588
Planetary Fit Type --- LS+MCMC MCMC
Planetary Radius [Earth radii] ---
0.73 +0.06-0.08
0.76 +0.09-0.12
Orbit Semi-Major Axis [au] --- .0425 .0429
Inclination [deg] --- 89.83 88.81
Equilibrium Temperature [K] --- 485 486
Insolation Flux [Earth flux] ---
13.07 +3.50-3.55
13.16 +4.57-4.46
Planet-Star Distance over Star Radius --- 23.9±4 21.3±8.5
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 --- 0.3976 0.3506
Limb Darkening Coeff. 1 --- 0.31420000000000003 0.37310000000000004
Maximum Single Event Statistic --- 3.2336745000000002 9.608818
Maximum Multiple Event Statistic --- 8.656733 9.582543
Transit Signal-to-Noise --- 9.700000000000001 8.700000000000001
Number of Transits --- 261 260
TCE Planet Number --- 1 1
Quarters --- 01111111111111111000000000000000 1111111111111111000000000000000
Odd-Even Depth Comparision Statistic --- 0.9826 ---
Transit Model --- Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171)
Link to DV Summary --- kplr002861126-001-20160209194854_dvs.pdf kplr002861126-001-20141002224145_dvs.pdf
Stellar Effective Temperature [K] ---
3606 +57-72
3606 +57-79
Stellar Surface Gravity [log10(cm/s**2)] ---
4.859 +0.045-0.036
4.859±0.07
Stellar Metallicity [dex] --- -0.2±0.1 -0.200±0.100
Stellar Radius [Solar radii] ---
0.395 +0.036-0.044
0.4 +0.05-0.06
Stellar Mass [Solar mass] ---
0.413 +0.037-0.047
0.422±0.06
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q17
FW Offset Significance [percent] --- 0.0 0.0
FW Source α(OOT) [hrs] --- 19.5520779±0.0000082 19.5520728±0.0000074
FW Source δ(OOT) [deg] --- 38.08242±0.0001 38.082435±0.000093
FW Source Δα(OOT) [sec] --- 0.22±0.35 0±0.31
FW Source Δδ(OOT) [arcsec] --- 0.65±0.36 0.7±0.34
FW Δα(OOT) [sec] --- -0.00023±0.00012 -0.00018±0.00011
FW Δδ(OOT) [arcsec] --- 0.00039±0.00012 0.00037±0.00012
PRF ΔαSQ(OOT) [arcsec] --- 1.3±0.46 1.16±0.78
PRF ΔδSQ(OOT) [arcsec] --- -5.5±1.7 -5.4±2.2
PRF ΔθSQ(OOT) [arcsec] --- 5.6±1.7 5.5±2.2
PRF ΔαSQ(KIC) [arcsec] --- 0.11±0.31 0.14±0.52
PRF ΔδSQ(KIC) [arcsec] --- 0.38±0.6 1.15±0.59
PRF ΔθSQ(KIC) [arcsec] --- 0.39±0.63 1.15±0.6
Known Objects
2 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
11 2MASS Point Source Catalog
Data Files
2 Kepler Time Series
1 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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