KOI-8246 Overview

KOI-8246 1.31 R⦿ 6240.00 K
KOI-8246.01
Architecture
KOI-8246
KOI-8246
KOI-8246.01
Other Data
Bibliography 6
Nearby Data 5
Discovery Data
Host Planet Method Year Reference Disposition
KOI-8246 KOI-8246.01 Transit 2017 Q1-Q17 DR25 KOI Table Candidate Planet
RA
19h02m25.98s
Dec
+39d34m45.38s
Distance
851.445±13.607 pc
Parallax
1.1457800±0.0186249 mas
Ecliptic Latitude
61.62401 deg
Ecliptic Longitude
295.87092 deg
Galactic Latitude
14.92958 deg
Galactic Longitude
70.1108 deg
Total Proper Motion
7.5511543±0.0353076 mas/yr
Proper Motion (RA)
4.9441600±0.0299989 mas/yr
Proper Motion (Dec)
-5.7074700±0.0388174 mas/yr
Photometry
mV
14.052±0.080
mTESS
13.3739±0.0066
mJ
12.710±0.021
mH
12.39±0.02
mKs
12.336±0.021
mKep
13.855
mW1
12.290±0.023
mW2
12.314±0.023
mW3
12.761
mW4
8.807
mGaia
13.842800±0.000233
mB
14.816±0.025
mg
14.3960000±0.0032281
mi
13.8525000±0.0009148
mr
13.9219000±0.0061157
mu
15.6656000±0.0053024
mz
13.6235000±0.0042751
Source TICv8 Latham et al. 2005 Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5921.49±60.08 6240 --- 6067±182
Metallicity
(dex)
-0.311±0.058 [M/H] -0.357 [Fe/H] --- -0.36±0.3 [Fe/H]
R
(R⦿)
1.29907 1.309 ---
1.195 +0.342-0.279
log g
(log10(cm/s2))
4.24423 4.26 ---
4.253 +0.22-0.18
L
(log10(L⦿))
0.2716832 --- --- ---
ρ
(g/cm3)
0.6945326 --- ---
2.38564 +0.83019-2.35300
M
(M⦿)
1.08 --- ---
0.934 +0.142-0.107
Status
Candidate Planet
Detected By
Transit
Source Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table
a/R
--- 283.8±98.7
Teq
(K)
--- 281
b
---
0.303 +0.15-0.303
S
(S)
---
1.48 +1.27-0.71
e
--- 0
i
(deg)
--- 89.94
P
(days)
425.64971±0.02019 425.64971±0.02019
Rp
(R)
---
1.58 +0.45-0.37
Rp/R
---
0.012108 +0.000752-0.001551
a
(au)
--- 1.0826
δ
(%)
--- 0.01712±0.00278
T14
(hours)
--- 11.07±1.3
TC
(days)
2455117.348±0.0357 2455117.348±0.0357
Kepler Detection Products (4 File Types, 7 Files)
Kepler Pipeline Data Validation Reports q1_q17_dr25_tce
Kepler Pipeline Data Validation Summaries q1_q17_dr25_tce
Kepler TCERT Reports 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_q17_dr25_tce
Kepler Object of Interest
KepID 4446859 4446859
KOI Name K08246.01 K08246.01
Exoplanet Archive Disposition CANDIDATE CANDIDATE
Vetting Status Done Done
Date of Last Parameter Update 2018-08-16 2017-08-31
Disposition Using Kepler Data CANDIDATE CANDIDATE
Not Transit-Like False Positive Flag 0 0
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_q17_dr25_koi
Orbital Period [days] 425.64971±0.02019 425.64971±0.02019
Transit Epoch [BKJD] 284.3479±0.0357 284.3479±0.0357
Transit Epoch [BJD] 2455117.348±0.0357 2455117.348±0.0357
Parameters Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi
Number of Planets 1 1
TCE Delivery q1_q17_dr25_tce q1_q17_dr25_tce
Link to DV Report kplr004446859-20160209194854_dvr.pdf kplr004446859-20160209194854_dvr.pdf
RA [decimal degrees] 285.60822 285.60822
Dec [decimal degrees] 39.5793 39.5793
Kepler-band [mag] 13.855 13.855
g'-band [mag] 14.309000000000001 14.309000000000001
r'-band [mag] 13.829 13.829
i'-band [mag] 13.661000000000001 13.661000000000001
z'-band [mag] 13.601 13.601
J-band [mag] 12.71 12.71
H-band [mag] 12.39 12.39
K-band [mag] 12.336 12.336
Disposition Score --- 0.228
Comment --- CENT_FEW_DIFFS
Eccentricity --- 0
Impact Parameter ---
0.303 +0.15-0.303
Transit Duration [hrs] --- 11.07±1.3
Transit Depth [ppm] --- 171.2±27.8
Planet-Star Radius Ratio ---
0.012108 +0.000752-0.001551
Fitted Stellar Density [g/cm**3] ---
2.38564 +0.83019-2.35300
Planetary Fit Type --- LS+MCMC
Planetary Radius [Earth radii] ---
1.58 +0.45-0.37
Orbit Semi-Major Axis [au] --- 1.0826
Inclination [deg] --- 89.94
Equilibrium Temperature [K] --- 281
Insolation Flux [Earth flux] ---
1.48 +1.27-0.71
Planet-Star Distance over Star Radius --- 283.8±98.7
Limb Darkening Model --- Claret (2011 A&A 529 75) ATLAS LS
Limb Darkening Coeff. 4 --- 0.0
Limb Darkening Coeff. 3 --- 0.0
Limb Darkening Coeff. 2 --- 0.29650000000000004
Limb Darkening Coeff. 1 --- 0.3342
Maximum Single Event Statistic --- 4.9392586000000005
Maximum Multiple Event Statistic --- 7.156312
Transit Signal-to-Noise --- 7.6000000000000005
Number of Transits --- 4
TCE Planet Number --- 1
Quarters --- 11111111111111111000000000000000
Odd-Even Depth Comparision Statistic --- 0.9073
Transit Model --- Mandel and Agol (2002 ApJ 580 171)
Link to DV Summary --- kplr004446859-001-20160209194854_dvs.pdf
Stellar Effective Temperature [K] --- 6067±182
Stellar Surface Gravity [log10(cm/s**2)] ---
4.253 +0.22-0.18
Stellar Metallicity [dex] --- -0.36±0.3
Stellar Radius [Solar radii] ---
1.195 +0.342-0.279
Stellar Mass [Solar mass] ---
0.934 +0.142-0.107
Stellar Parameter Provenance --- q1_q17_dr25_stellar
FW Offset Significance [percent] --- 0.17
FW Source α(OOT) [hrs] --- 19.040564±0.000056
FW Source δ(OOT) [deg] --- 39.57999±0.00071
FW Source Δα(OOT) [sec] --- 0.6±2.3
FW Source Δδ(OOT) [arcsec] --- 2.5±2.6
FW Δα(OOT) [sec] --- -0.0001±0.00037
FW Δδ(OOT) [arcsec] --- -0.00042±0.0004
PRF ΔαSQ(OOT) [arcsec] --- 1.47±0.98
PRF ΔδSQ(OOT) [arcsec] --- 1.75±0.92
PRF ΔθSQ(OOT) [arcsec] --- 2.3±1.3
PRF ΔαSQ(KIC) [arcsec] --- 1.5±1.3
PRF ΔδSQ(KIC) [arcsec] --- 1.7±1.1
PRF ΔθSQ(KIC) [arcsec] --- 2.3±1.7
Known Objects
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
3 2MASS Point Source Catalog
Data Files
1 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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