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KOI-4427 Overview

KOI-4427 0.56 R⦿ 3832.00 K
?
KOI-4427.01
Architecture
KOI-4427
KOI-4427
KOI-4427.01
Discovery Data
Host Planet Orbital Separation Planet Size Method Year Reference Disposition
KOI-4427 KOI-4427.01 147.66 d --- Transit 2014 Q1-Q12 KOI Table Candidate Planet
RA
19h40m28.19s
Dec
+39d16m26.97s
Distance
276.2260±2.4705 pc
Parallax
3.5917600±0.0321327 mas
Ecliptic Latitude
59.27247 deg
Ecliptic Longitude
310.0197 deg
Galactic Latitude
8.18537 deg
Galactic Longitude
73.09047 deg
Total Proper Motion
40.1503062±0.0546439 mas/yr
Proper Motion (RA)
37.6621000±0.0536751 mas/yr
Proper Motion (Dec)
13.9145000±0.0612764 mas/yr
Photometry
mV
16.442±1.133
mTESS
14.6081000±0.0074632
mJ
13.339±0.023
mH
12.684±0.024
mKs
12.499±0.026
mKep
15.645
mW1
12.239±0.023
mW2
12.231±0.023
mW3
11.608±0.158
mW4
8.683
mGaia
15.629800±0.000493
mB
18.257±0.165
mg
17.167
mi
14.993
mr
15.783
mz
14.552
Mission
Tools
Planetary Systems
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 KOI Table Q1-Q17 DR24 KOI Table Q1-Q16 KOI Table Q1-Q12 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
3748.0±157.0 3832 ---
3788 +76-84
3668 +61-86
3668 +61-86
3668.00 +61.00-86.00
Metallicity
(dex)
--- 0.147 [Fe/H] --- -0.1±0.15 [Fe/H] -0.200±0.100 [Fe/H] -0.200±0.100 [Fe/H] -0.200±0.100 [Fe/H]
R✶
(R⦿)
0.5590860±0.0171177 0.560 ---
0.49 +0.037-0.041
0.431±0.06 0.431±0.06 0.4310±0.0600
log g
(log10(cm/s2))
4.686110±0.010416 4.61 ---
4.774 +0.036-0.04
4.821 +0.07-0.08
4.821 +0.07-0.08
4.821 +0.070-0.080
L✶
(log10(L⦿))
-1.25515+0.08987-0.11345
 --- --- --- --- --- ---
ρ✶
(g/cm3)
4.4641022±0.2440818 --- ---
5.68570 +0.72652-2.20972
4.27726 +2.75125-0.51188
4.27726 +2.75125-0.51188
4.27726 +2.75125-0.51188
M✶
(M⦿)
0.553355±0.020614 --- ---
0.52 +0.034-0.042
0.449±0.06 0.449±0.06 0.4490±0.0600
Print
Status
Candidate Planet
Detected By
Transit
Tools
Transit Prediction Service
KOI
Source Holczer et al. 2016 Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table Q1-Q17 DR24 KOI Table Q1-Q16 KOI Table Q1-Q12 KOI Table
P
(days)
147.66296191±0.00001020 147.661729±0.001501 147.661729±0.001501 147.660217±0.001456 147.660217±0.001456 147.660217±0.001456
TC
(days)
2455076.952508±0.009713 2455076.953±0.00829 2455076.953±0.00829 2455076.965±0.00877 2455076.965±0.00877 2455076.965±0.00877
δ
(%)
0.1106 --- 0.10878±0.00939 0.11478±0.00912 0.11478±0.00912 0.11478±0.00912
T14
(hours)
6.4760 --- 6.207±0.323 6.163±0.305 6.163±0.305 6.163±0.305
a/R✶
--- --- 187.1±23.9 170.2±54.7 170.2±54.7 170.2±54.7
Teq
(K)
--- --- 176 164 164 164
b
--- ---
0.002 +0.44-0.002
0.446 +0.5068-0.2582
0.446 +0.5068-0.2582
0.446 +0.5068-0.2582
S
(S⨁)
--- ---
0.23 +0.06-0.05
0.17 +0.07-0.05
0.17 +0.07-0.05
0.17 +0.07-0.05
e
--- --- 0 0 0 0
i
(deg)
--- --- 90 89.95 89.95 89.95
Rp
(R⨁)
--- ---
1.59 +0.12-0.14
1.47 +0.21-0.2
1.47 +0.21-0.2
1.47 +0.21-0.2
Rp
(RJup)
--- ---
0.142+0.011-0.012
0.131+0.019-0.018
0.131+0.019-0.018
0.131+0.019-0.018
Rp/R✶
--- ---
0.029669 +0.001873-0.001346
0.031336 +0.001208-0.001815
0.031336 +0.001208-0.001815
0.031336 +0.001208-0.001815
a
(au)
--- --- .4401 .4188 .4188 .4188
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 4172805 4172805 4172805 4172805 4172805
KOI Name K04427.01 K04427.01 K04427.01 K04427.01 K04427.01
Exoplanet Archive Disposition CANDIDATE CANDIDATE CANDIDATE CANDIDATE CANDIDATE
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 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
Orbital Period [days] 147.661729±0.001501 147.661729±0.001501 147.660217±0.001456 147.660217±0.001456 147.660217±0.001456
Transit Epoch [BKJD] 243.95262±0.00829 243.95262±0.00829 243.9646±0.00877 243.9646±0.00877 243.9646±0.00877
Transit Epoch [BJD] 2455076.953±0.00829 2455076.953±0.00829 2455076.965±0.00877 2455076.965±0.00877 2455076.965±0.00877
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 kplr004172805-20160209194854_dvr.pdf kplr004172805-20160209194854_dvr.pdf kplr004172805-20141002224145_dvr.pdf kplr004172805-20130815195353_dvr.pdf kplr004172805-20121029204534_dvr.pdf
RA [decimal degrees] 295.11722 295.11722 295.11722 295.11722 295.11722
Dec [decimal degrees] 39.27409 39.27409 39.27409 39.27409 39.27409
Kepler-band [mag] 15.645000000000001 15.645000000000001 15.645000000000001 15.645000000000001 15.645000000000001
g'-band [mag] 17.167 17.167 17.167 17.167 17.167
r'-band [mag] 15.783000000000001 15.783000000000001 15.783000000000001 15.783000000000001 15.783000000000001
i'-band [mag] 14.993 14.993 14.993 14.993 14.993
z'-band [mag] 14.552000000000001 14.552000000000001 14.552000000000001 14.552000000000001 14.552000000000001
J-band [mag] 13.339 13.339 13.339 13.339 13.339
H-band [mag] 12.684000000000001 12.684000000000001 12.684000000000001 12.684000000000001 12.684000000000001
K-band [mag] 12.499 12.499 12.499 12.499 12.499
Disposition Score --- 0.9690000000000001 --- --- ---
Comment --- CENT_KIC_POS KIC_OFFSET --- ---
Eccentricity --- 0 0 0 0
Impact Parameter ---
0.002 +0.44-0.002
0.446 +0.5068-0.2582
0.446 +0.5068-0.2582
0.446 +0.5068-0.2582
Transit Duration [hrs] --- 6.207±0.323 6.163±0.305 6.163±0.305 6.163±0.305
Transit Depth [ppm] --- 1087.8±93.9 1147.8±91.2 1147.8±91.2 1147.8±91.2
Planet-Star Radius Ratio ---
0.029669 +0.001873-0.001346
0.031336 +0.001208-0.001815
0.031336 +0.001208-0.001815
0.031336 +0.001208-0.001815
Fitted Stellar Density [g/cm**3] ---
5.68570 +0.72652-2.20972
4.27726 +2.75125-0.51188
4.27726 +2.75125-0.51188
4.27726 +2.75125-0.51188
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC
Planetary Radius [Earth radii] ---
1.59 +0.12-0.14
1.47 +0.21-0.2
1.47 +0.21-0.2
1.47 +0.21-0.2
Orbit Semi-Major Axis [au] --- .4401 .4188 .4188 .4188
Inclination [deg] --- 90 89.95 89.95 89.95
Equilibrium Temperature [K] --- 176 164 164 164
Insolation Flux [Earth flux] ---
0.23 +0.06-0.05
0.17 +0.07-0.05
0.17 +0.07-0.05
0.17 +0.07-0.05
Planet-Star Distance over Star Radius --- 187.1±23.9 170.2±54.7 170.2±54.7 170.2±54.7
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 --- 0.40640000000000004 0.3518 0.3518 0.3518
Limb Darkening Coeff. 1 --- 0.2898 0.3684 0.3684 0.3684
Maximum Single Event Statistic --- 4.9804463 7.1629443 --- ---
Maximum Multiple Event Statistic --- 10.793761 12.657017 --- ---
Transit Signal-to-Noise --- 13.200000000000001 13.700000000000001 13.700000000000001 13.700000000000001
Number of Transits --- 7 7 --- ---
TCE Planet Number --- 1 1 1 1
Quarters --- 11111011101110111000000000000000 11111011101110111000000000000000 --- ---
Odd-Even Depth Comparision Statistic --- 0.5163 --- --- ---
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 --- kplr004172805-001-20160209194854_dvs.pdf kplr004172805-001-20141002224145_dvs.pdf kplr004172805-001-20130826182306_dvs.pdf kplr004172805-001-20121115231752_dvs.pdf
Stellar Effective Temperature [K] ---
3788 +76-84
3668 +61-86
3668 +61-86
3668.00 +61.00-86.00
Stellar Surface Gravity [log10(cm/s**2)] ---
4.774 +0.036-0.04
4.821 +0.07-0.08
4.821 +0.07-0.08
4.821 +0.070-0.080
Stellar Metallicity [dex] --- -0.1±0.15 -0.200±0.100 -0.200±0.100 -0.200±0.100
Stellar Radius [Solar radii] ---
0.49 +0.037-0.041
0.431±0.06 0.431±0.06 0.4310±0.0600
Stellar Mass [Solar mass] ---
0.52 +0.034-0.042
0.449±0.06 0.449±0.06 0.4490±0.0600
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16
FW Offset Significance [percent] --- 0.35200000000000004 0.17900000000000002 0.1 0.192
FW Source α(OOT) [hrs] --- 19.674508±0.000024 19.67452±0.000021 19.674514±0.000024 19.674511000±0.000030000
FW Source δ(OOT) [deg] --- 39.27422±0.00029 39.27425±0.00027 39.27409±0.00028 39.27405000±0.00036000
FW Source Δα(OOT) [sec] --- 1.1±1 1.59±0.88 1.33±0.99 0.03000±0.11000
FW Source Δδ(OOT) [arcsec] --- 0.5±1 0.58±0.99 0.01±0.99 -0.09100±0.08600
FW Δα(OOT) [sec] --- 0.0001±0.0011 -0.0008±0.0011 -0.0005±0.0012 -3e-05±0.00011
FW Δδ(OOT) [arcsec] --- 0.0008±0.0011 0.0008±0.0012 0.0014±0.0012 8.8e-05±9e-05
PRF ΔαSQ(OOT) [arcsec] --- -0.54±0.32 -0.59±0.29 -0.83±0.48 -0.3900±0.2500
PRF ΔδSQ(OOT) [arcsec] --- 0.42±0.27 0.38±0.27 0.5±1.9 0.7000±0.3100
PRF ΔθSQ(OOT) [arcsec] --- 0.68±0.3 0.7±0.29 0.9±1.7 0.8000±0.3000
PRF ΔαSQ(KIC) [arcsec] --- 0.29±0.31 0.26±0.24 -0.08±0.27 0.2600±0.4000
PRF ΔδSQ(KIC) [arcsec] --- 0.88±0.29 0.81±0.3 1±1.6 1.0600±0.3500
PRF ΔθSQ(KIC) [arcsec] --- 0.92±0.29 0.85±0.3 1±1.6 1.0900±0.3500
Known Objects
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
12 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
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Kepler | K2
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