KOI-256 Overview

KOI-256 1.10 R⦿ 3639.00 K
KOI-256.01
Architecture
KOI-256
KOI-256
KOI-256.01
Other Data
Bibliography 11
Nearby Data 4
Discovery Data
Host Planet Method Year Reference Disposition
KOI-256 KOI-256.01 Transit 2013 Q1-Q6 KOI Table False Positive Candidate
RA
19h00m44.41s
Dec
+49d33m55.03s
Distance
176.585+1.311-1.293
pc
Parallax
5.6345500±0.0414502 mas
Ecliptic Latitude
71.31966 deg
Ecliptic Longitude
302.03012 deg
Galactic Latitude
18.88364 deg
Galactic Longitude
79.70337 deg
Total Proper Motion
16.0078424±0.0871084 mas/yr
Proper Motion (RA)
-6.8035300±0.0911792 mas/yr
Proper Motion (Dec)
-14.4901000±0.0861851 mas/yr
Photometry
mV
16.473±0.149
mTESS
14.1806000±0.0096101
mJ
12.701±0.024
mH
12.001±0.019
mKs
11.783±0.023
mKep
15.373
mW1
11.685±0.023
mW2
11.581±0.021
mW3
11.390±0.118
mW4
9.503
mGaia
15.349700±0.002665
mB
18.000±0.162
mg
---
mi
---
mr
---
mz
---
Source TICv8
Batalha et al. 2013 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
Q1-Q8 KOI Table
Q1-Q6 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
3503.0±157.0 3639 3639 ---
3440 +68-75
3450 +50-58
3450 +50-58
3450.00 +50.00-58.00
3789.00±200.00 3639
Metallicity
(dex)
--- --- 0.582 [Fe/H] ---
0.46 +0.05-0.15
[Fe/H]
0.310±0.100 [Fe/H] 0.310±0.100 [Fe/H] 0.310±0.100 [Fe/H] --- ---
R
(R⦿)
0.5156740±0.0156088 0.52 1.097 ---
0.439 +0.035-0.052
0.42±0.06 0.42±0.06 0.4200±0.0600 0.4930±0.0230 .52
log g
(log10(cm/s2))
4.723710±0.008954 4.72 4.17 ---
4.82 +0.044-0.04
4.825±0.087 4.825±0.087 4.825±0.087 4.760±0.300 4.72
L
(log10(L⦿))
-1.44279+0.09380-0.11980
--- --- --- --- --- --- --- --- ---
ρ
(g/cm3)
5.2776143±0.2688778 --- --- ---
9.26842 +0.30379-0.54573
882.74500 +117.10028-561.59393
882.74500 +117.10028-561.59393
882.74500 +117.10028-561.59393
--- ---
M
(M⦿)
0.5133310±0.0204908 --- --- ---
0.465 +0.032-0.06
0.43±0.06 0.43±0.06 0.4300±0.0600 0.5060±0.0340 ---
Age
(Gyr)
--- --- --- --- --- --- --- --- 13.9±3.6 ---
Status
False Positive Candidate
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
P
(days)
1.378649746±4e-07 1.378649746±4e-07 1.378651791±1.29e-06 1.378651791±1.29e-06 1.378651791±1.29e-06 1.3786789±1.8e-06
TC
(days)
2455002.78±0.000222 2455002.78±0.000222 2455002.779±0.000736 2455002.779±0.000736 2455002.779±0.000736 2455002.774±0.00024
a/R
--- 9.765±0.32 44.6±5.9 44.6±5.9 44.6±5.9 4.47±0.28
Teq
(K)
--- 734 729 729 729 851
b
---
0.099 +0.081-0.099
37.636 +1.034-16.34
37.636 +1.034-16.34
37.636 +1.034-16.34
1.23±0.95
S
(S)
---
68.34 +17.82-19.72
66.79 +25.61-20.94
66.79 +25.61-20.94
66.79 +25.61-20.94
---
e
--- 0 0 0 0 0
i
(deg)
--- 89.42 32.66 32.66 32.66 73.91
Rp
(R)
---
6.51 +0.52-0.77
1687.9±241.1 1687.9±241.1 1687.9±241.1 24±12
Rp
(RJup)
---
0.581+0.046-0.069
150.585+21.512-21.511
150.585+21.512-21.511
150.585+21.512-21.511
2.141±1.071
Rp/R
---
0.135797 +0.000847-0.000664
36.802391 +0.996967-16.38471
36.802391 +0.996967-16.38471
36.802391 +0.996967-16.38471
0.44±0.22
a
(au)
--- .0188 .0183 .0183 .0183 .019
δ
(%)
---
2.24620+0.01650-0.01650
2.57870+0.06140-0.06140
2.57870+0.06140-0.06140
2.57870+0.06140-0.06140
2.64060
T14
(hours)
--- 1.2232±0.0105 1.5657±0.0403 1.5657±0.0403 1.5657±0.0403 1.852
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 Object of Interest
KepID 11548140 11548140 11548140 11548140 11548140 11548140 11548140
KOI Name K00256.01 K00256.01 K00256.01 K00256.01 K00256.01 K00256.01 K00256.01
Exoplanet Archive Disposition FALSE POSITIVE FALSE POSITIVE CANDIDATE NOT DISPOSITIONED NOT DISPOSITIONED CANDIDATE CANDIDATE
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 FALSE POSITIVE FALSE POSITIVE CANDIDATE NOT DISPOSITIONED NOT DISPOSITIONED CANDIDATE CANDIDATE
Not Transit-Like False Positive Flag 0 0 0 0 0 --- ---
Stellar Eclipse False Positive Flag 1 1 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] 1.378649746±4e-07 1.378649746±4e-07 1.378651791±1.29e-06 1.378651791±1.29e-06 1.378651791±1.29e-06 1.3786789±1.8e-06 1.3786789±1.8e-06
Transit Epoch [BKJD] 169.780113±0.000222 169.780113±0.000222 169.779348±0.000736 169.779348±0.000736 169.779348±0.000736 169.774±0.00024 169.774±0.00024
Transit Epoch [BJD] 2455002.78±0.000222 2455002.78±0.000222 2455002.779±0.000736 2455002.779±0.000736 2455002.779±0.000736 2455002.774±0.00024 2455002.774±0.00024
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 1 1 1 1 1 1 1
TCE Delivery q1_q17_dr25_tce q1_q17_dr25_tce q1_q17_dr24_tce q1_q16_tce --- --- ---
Link to DV Report kplr011548140-20160209194854_dvr.pdf kplr011548140-20160209194854_dvr.pdf kplr011548140-20141002224145_dvr.pdf kplr011548140-20130815195353_dvr.pdf --- --- ---
RA [decimal degrees] 285.18512 285.18512 285.18512 285.18512 285.18512 285.18512 285.18512
Dec [decimal degrees] 49.565369 49.565369 49.565369 49.565369 49.565369 49.565369 49.565369
Kepler-band [mag] 15.373000000000001 15.373000000000001 15.373000000000001 15.373000000000001 15.373000000000001 15.373000000000001 15.373000000000001
g'-band [mag] 17.092000000000002 17.092000000000002 17.092000000000002 17.092000000000002 17.092000000000002 17.092000000000002 17.092000000000002
r'-band [mag] 15.754000000000001 15.754000000000001 15.754000000000001 15.754000000000001 15.754000000000001 15.754000000000001 15.754000000000001
i'-band [mag] 14.636000000000001 14.636000000000001 14.636000000000001 14.636000000000001 14.636000000000001 14.636000000000001 14.636000000000001
z'-band [mag] 14.059000000000001 14.059000000000001 14.059000000000001 14.059000000000001 14.059000000000001 14.059000000000001 14.059000000000001
J-band [mag] 12.701 12.701 12.701 12.701 12.701 12.701 12.701
H-band [mag] 12.001000000000001 12.001000000000001 12.001000000000001 12.001000000000001 12.001000000000001 12.001000000000001 12.001000000000001
K-band [mag] 11.783000000000001 11.783000000000001 11.783000000000001 11.783000000000001 11.783000000000001 11.783000000000001 11.783000000000001
Disposition Score --- 0.0 --- --- --- --- ---
Comment --- SWEET_EB EYEBALL---SIGNIF_OFFSET --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
0.099 +0.081-0.099
37.636 +1.034-16.34
37.636 +1.034-16.34
37.636 +1.034-16.34
1.23±0.95 1.23±0.91
Transit Duration [hrs] --- 1.2232±0.0105 1.5657±0.0403 1.5657±0.0403 1.5657±0.0403 1.852 1.852
Transit Depth [ppm] --- 22462±165 25787±614 25787±614 25787±614 26406 24218
Planet-Star Radius Ratio ---
0.135797 +0.000847-0.000664
36.802391 +0.996967-16.38471
36.802391 +0.996967-16.38471
36.802391 +0.996967-16.38471
0.44±0.22 0.44±0.22
Fitted Stellar Density [g/cm**3] ---
9.26842 +0.30379-0.54573
882.74500 +117.10028-561.59393
882.74500 +117.10028-561.59393
882.74500 +117.10028-561.59393
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
6.51 +0.52-0.77
1687.9±241.1 1687.9±241.1 1687.9±241.1 24±12 25.34
Orbit Semi-Major Axis [au] --- .0188 .0183 .0183 .0183 .019 .02
Inclination [deg] --- 89.42 32.66 32.66 32.66 73.91 ---
Equilibrium Temperature [K] --- 734 729 729 729 851 821
Insolation Flux [Earth flux] ---
68.34 +17.82-19.72
66.79 +25.61-20.94
66.79 +25.61-20.94
66.79 +25.61-20.94
--- ---
Planet-Star Distance over Star Radius --- 9.765±0.32 44.6±5.9 44.6±5.9 44.6±5.9 4.47±0.28 4.47±0.28
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 0.2722 ---
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 -0.8042 ---
Limb Darkening Coeff. 2 --- 0.2823 0.2116 0.2116 0.2116 0.7713 ---
Limb Darkening Coeff. 1 --- 0.45580000000000004 0.5262 0.5262 0.5262 0.5760000000000001 ---
Maximum Single Event Statistic --- 27.948862 50.911274 --- --- --- ---
Maximum Multiple Event Statistic --- 110.819664 346.1535 --- --- --- ---
Transit Signal-to-Noise --- 172.20000000000002 66.7 66.7 66.7 117.9 175.0
Number of Transits --- 770 769 --- --- --- ---
TCE Planet Number --- 1 1 1 --- --- ---
Quarters --- 11111110111011101000000000000000 11111110111011101000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.4587 --- --- --- --- ---
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 --- kplr011548140-001-20160209194854_dvs.pdf kplr011548140-001-20141002224145_dvs.pdf kplr011548140-001-20130826182306_dvs.pdf --- --- ---
Stellar Effective Temperature [K] ---
3440 +68-75
3450 +50-58
3450 +50-58
3450.00 +50.00-58.00
3789.00±200.00 3639
Stellar Surface Gravity [log10(cm/s**2)] ---
4.82 +0.044-0.04
4.825±0.087 4.825±0.087 4.825±0.087 4.760±0.300 4.72
Stellar Metallicity [dex] ---
0.46 +0.05-0.15
0.310±0.100 0.310±0.100 0.310±0.100 --- ---
Stellar Radius [Solar radii] ---
0.439 +0.035-0.052
0.42±0.06 0.42±0.06 0.4200±0.0600 0.4930±0.0230 .52
Stellar Mass [Solar mass] ---
0.465 +0.032-0.06
0.43±0.06 0.43±0.06 0.4300±0.0600 0.5060±0.0340 ---
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault KIC
FW Offset Significance [percent] --- 0.0 0.0 0.0 --- --- ---
FW Source α(OOT) [hrs] --- 19.012349±0.0000044 19.01233638±0.00000033 19.01233685±0.00000046 --- --- ---
FW Source δ(OOT) [deg] --- 49.56458±0.000046 49.5653714±0.0000033 49.565362±0.0000043 --- --- ---
FW Source Δα(OOT) [sec] --- 0.24±0.15 -0.197±0.012 -0.181±0.016 --- --- ---
FW Source Δδ(OOT) [arcsec] --- -2.85±0.16 0.005±0.012 -0.029±0.015 --- --- ---
FW Δα(OOT) [sec] --- -0.00088±0.00049 -0.0017±0.0048 -0.0015±0.0044 --- --- ---
FW Δδ(OOT) [arcsec] --- 0.00552±0.00069 0.0051±0.0074 0.0044±0.0068 --- --- ---
PRF ΔαSQ(OOT) [arcsec] --- 0.11±0.071 0.119±0.071 0.121±0.072 --- --- ---
PRF ΔδSQ(OOT) [arcsec] --- -0.177±0.067 -0.172±0.067 -0.167±0.067 --- --- ---
PRF ΔθSQ(OOT) [arcsec] --- 0.208±0.068 0.209±0.068 0.206±0.069 --- --- ---
PRF ΔαSQ(KIC) [arcsec] --- -0.057±0.071 -0.066±0.07 -0.065±0.07 --- --- ---
PRF ΔδSQ(KIC) [arcsec] --- -0.165±0.072 -0.167±0.071 -0.175±0.068 --- --- ---
PRF ΔθSQ(KIC) [arcsec] --- 0.174±0.073 0.179±0.073 0.187±0.069 --- --- ---
Chi-Square --- --- --- --- --- 1.51 1.52
Stellar Age [Gyr] --- --- --- --- --- 13.9±3.6 ---
Known Objects
1 Kepler Objects of Interest (KOIs)
5 Threshold Crossing Events (TCEs)
1 2MASS Point Source Catalog
Data Files
1 Kepler 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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