NASA
Exoplanet
Archive
A
service of
NASA
Exoplanet
Science
Institute

KOI-81 Overview

KOI-81 3.31 R⦿ 9799.00 K
Χ
KOI-81.01
Architecture
KOI-81
KOI-81
KOI-81.01
Other Data
Bibliography 11
Nearby Data 5
Discovery Data
Host Planet Method Year Reference Disposition
KOI-81 KOI-81.01 Transit 2013 Q1-Q6 KOI Table False Positive Candidate
RA
19h35m08.58s
Dec
+45d01m06.42s
Distance
1597.04+114.69-100.54
pc
Parallax
0.5989190±0.0410908 mas
Ecliptic Latitude
64.99399 deg
Ecliptic Longitude
312.41106 deg
Galactic Latitude
11.72926 deg
Galactic Longitude
77.78916 deg
Total Proper Motion
2.1038836±0.0813726 mas/yr
Proper Motion (RA)
0.06782680±0.07682090 mas/yr
Proper Motion (Dec)
-2.1027900±0.0813772 mas/yr
Photometry
mV
11.325±0.013
mTESS
11.3150±0.0105
mJ
11.164±0.022
mH
11.141±0.014
mKs
11.115±0.018
mKep
11.409
mW1
11.116±0.022
mW2
11.145±0.020
mW3
11.089±0.109
mW4
8.775
mGaia
11.334200±0.000635
mB
11.507±0.155
mg
11.296
mi
11.610
mr
11.447
mz
11.715
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 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)
9799.0000+188.3590-208.0810
 9751 ---
9974 +275-413
9974 +288-376
9974 +288-376
9974.00 +288.00-376.00
9974.00±200.00 9751
L✶
(log10(L⦿))
1.9591307+0.0781229-0.0666826
 --- --- --- --- --- --- --- ---
ρ✶
(g/cm3)
0.09717230+0.02511420-0.02320190
 --- ---
0.27909 +0.00083-0.03870
0.28003 +0.00522-0.03231
0.28003 +0.00522-0.03231
0.28003 +0.00522-0.03231
--- ---
M✶
(M⦿)
2.500000+0.444524-0.260178
 --- ---
2.615 +0.371-0.278
2.615 +0.567-0.312
2.615 +0.567-0.312
2.6150 +0.5670-0.3120
2.4900±0.3100 ---
R✶
(R⦿)
3.310200+0.290039-0.188152
 2.380 ---
2.533 +0.965-0.414
2.533 +1.879-0.33
2.533 +1.879-0.33
2.5330 +1.8790-0.3300
2.6000±0.9800 ---
log g
(log10(cm/s2))
3.7963000+0.0817886-0.0935095
 4.00 ---
4.048 +0.115-0.214
4.048 +0.086-0.402
4.048 +0.086-0.402
4.048 +0.086-0.402
4.000±0.300 4.003
Metallicity
(dex)
--- 0.188 [Fe/H] ---
0.21 +0.05-0.4
[Fe/H]
0.210 +0.150-0.140
[Fe/H]
0.210 +0.150-0.140
[Fe/H]
0.210 +0.150-0.140
[Fe/H] 		--- ---
Age
(Gyr)
--- --- --- --- --- --- --- 0.413±0.096 ---
Print
Status
False Positive Candidate
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 Q1-Q16 KOI Table Q1-Q12 KOI Table Q1-Q8 KOI Table
a/R✶
--- 20.3363±0.0605 20.359±0.38 20.359±0.38 20.359±0.38 19.18±0.12
Teq
(K)
--- 1481 1480 1480 1480 1514
b
---
0.014 +0.214-0.014
0.1055 +0.1588-0.1053
0.1055 +0.1588-0.1053
0.1055 +0.1588-0.1053
0.3605±0.1
e
--- 0 0 0 0 0
i
(deg)
--- 89.96 89.95 89.95 89.95 88.81
P
(days)
23.8761144±2.239e-05 23.8761144±2.239e-05 23.87609229±2.651e-05 23.87609229±2.651e-05 23.87609229±2.651e-05 23.876191±1.2e-05
Rp
(R⨁)
---
10.45 +3.98-1.71
10.3 +7.64-1.34
10.3 +7.64-1.34
10.3 +7.64-1.34
10.7±4
Rp/R✶
---
0.037786 +0.000203-0.000101
0.037245 +0.000258-0.000104
0.037245 +0.000258-0.000104
0.037245 +0.000258-0.000104
0.03757±0.00011
a
(au)
--- .2237 .2237 .2237 .2237 .22
δ
(%)
--- 0.16117±0.00085 0.15627±0.00104 0.15627±0.00104 0.15627±0.00104 0.15580
T14
(hours)
--- 9.3113±0.0271 9.2487±0.0322 9.2487±0.0322 9.2487±0.0322 9.2561
TC
(days)
2454976.07±0.000773 2454976.07±0.000773 2454976.072±0.000905 2454976.072±0.000905 2454976.072±0.000905 2454976.07075±0.0004
S
(S⨁)
---
1135.60 +1278.98-464.56
1135.60 +2725.18-399.01
1135.60 +2725.18-399.01
1135.60 +2725.18-399.01
---
Print
Kepler Detection Products (4 File Types, 21 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_q16_tce q1_q17_dr24_tce q1_q17_dr24_tce q1_q17_dr24_tce q1_q17_dr25_tce q1_q17_dr25_tce q1_q17_dr25_tce q1_q17_dr25_tce q1_q17_dr25_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 q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Object of Interest
KepID 8823868 8823868 8823868 8823868 8823868 8823868 8823868
KOI Name K00081.01 K00081.01 K00081.01 K00081.01 K00081.01 K00081.01 K00081.01
Exoplanet Archive Disposition FALSE POSITIVE FALSE POSITIVE FALSE POSITIVE NOT DISPOSITIONED NOT DISPOSITIONED NOT DISPOSITIONED FALSE POSITIVE
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 FALSE POSITIVE NOT DISPOSITIONED NOT DISPOSITIONED NOT DISPOSITIONED FALSE POSITIVE
Not Transit-Like False Positive Flag 1 1 0 0 0 --- ---
Stellar Eclipse False Positive Flag 0 0 1 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] 23.8761144±2.239e-05 23.8761144±2.239e-05 23.87609229±2.651e-05 23.87609229±2.651e-05 23.87609229±2.651e-05 23.876191±1.2e-05 23.8761013
Transit Epoch [BKJD] 143.07006±0.000773 143.07006±0.000773 143.071857±0.000905 143.071857±0.000905 143.071857±0.000905 143.07075±0.0004 143.07086
Transit Epoch [BJD] 2454976.07±0.000773 2454976.07±0.000773 2454976.072±0.000905 2454976.072±0.000905 2454976.072±0.000905 2454976.07075±0.0004 2454976.07086
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 kplr008823868-20160209194854_dvr.pdf kplr008823868-20160209194854_dvr.pdf kplr008823868-20141002224145_dvr.pdf kplr008823868-20130815195353_dvr.pdf --- --- ---
RA [decimal degrees] 293.78574 293.78574 293.78574 293.78574 293.78574 293.78574 293.78574
Dec [decimal degrees] 45.01849 45.01849 45.01849 45.01849 45.01849 45.01849 45.01849
Kepler-band [mag] 11.409 11.409 11.409 11.409 11.409 11.409 11.409
g'-band [mag] 11.296000000000001 11.296000000000001 11.296000000000001 11.296000000000001 11.296000000000001 11.296000000000001 11.296000000000001
r'-band [mag] 11.447000000000001 11.447000000000001 11.447000000000001 11.447000000000001 11.447000000000001 11.447000000000001 11.447000000000001
i'-band [mag] 11.61 11.61 11.61 11.61 11.61 11.61 11.61
z'-band [mag] 11.715 11.715 11.715 11.715 11.715 11.715 11.715
J-band [mag] 11.164 11.164 11.164 11.164 11.164 11.164 11.164
H-band [mag] 11.141 11.141 11.141 11.141 11.141 11.141 11.141
K-band [mag] 11.115 11.115 11.115 11.115 11.115 11.115 11.115
Disposition Score --- 0.0 --- --- --- --- ---
Comment --- SAME_NTL_PERIOD---CENT_SATURATED SIG_SEC_IN_DV_MODEL_SHIFT---SIG_SEC_IN_ALT_MODEL_SHIFT---OTHER_TCE_AT_SAME_PERIOD_DIFF_EPOCH---EYEBALL---SATURATED --- --- --- Binary
Eccentricity --- 0 0 0 0 0 ---
Impact Parameter ---
0.014 +0.214-0.014
0.1055 +0.1588-0.1053
0.1055 +0.1588-0.1053
0.1055 +0.1588-0.1053
0.3605±0.1 ---
Transit Duration [hrs] --- 9.3113±0.0271 9.2487±0.0322 9.2487±0.0322 9.2487±0.0322 9.2561 9.42
Transit Depth [ppm] --- 1611.7±8.5 1562.7±10.4 1562.7±10.4 1562.7±10.4 1558 1624
Planet-Star Radius Ratio ---
0.037786 +0.000203-0.000101
0.037245 +0.000258-0.000104
0.037245 +0.000258-0.000104
0.037245 +0.000258-0.000104
0.03757±0.00011 ---
Fitted Stellar Density [g/cm**3] ---
0.27909 +0.00083-0.03870
0.28003 +0.00522-0.03231
0.28003 +0.00522-0.03231
0.28003 +0.00522-0.03231
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
10.45 +3.98-1.71
10.3 +7.64-1.34
10.3 +7.64-1.34
10.3 +7.64-1.34
10.7±4 ---
Orbit Semi-Major Axis [au] --- .2237 .2237 .2237 .2237 .22 ---
Inclination [deg] --- 89.96 89.95 89.95 89.95 88.81 ---
Equilibrium Temperature [K] --- 1481 1480 1480 1480 1514 ---
Insolation Flux [Earth flux] ---
1135.60 +1278.98-464.56
1135.60 +2725.18-399.01
1135.60 +2725.18-399.01
1135.60 +2725.18-399.01
--- ---
Planet-Star Distance over Star Radius --- 20.3363±0.0605 20.359±0.38 20.359±0.38 20.359±0.38 19.18±0.12 ---
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 0.024 ---
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 -0.0971 ---
Limb Darkening Coeff. 2 --- 0.2923 0.2922 0.2922 0.2922 0.0993 ---
Limb Darkening Coeff. 1 --- 0.1963 0.1967 0.1967 0.1967 0.5688 ---
Maximum Single Event Statistic --- 98.85155999999999 86.32051 --- --- --- ---
Maximum Multiple Event Statistic --- 537.77026 470.18102999999996 --- --- --- ---
Transit Signal-to-Noise --- 225.5 187.70000000000002 187.70000000000002 187.70000000000002 72.7 54.800000000000004
Number of Transits --- 57 57 --- --- --- ---
TCE Planet Number --- 2 2 2 --- --- ---
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.3481 --- --- --- --- ---
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 --- kplr008823868-002-20160209194854_dvs.pdf kplr008823868-002-20141002224145_dvs.pdf kplr008823868-002-20130826182306_dvs.pdf --- --- ---
Stellar Effective Temperature [K] ---
9974 +275-413
9974 +288-376
9974 +288-376
9974.00 +288.00-376.00
9974.00±200.00 9751
Stellar Surface Gravity [log10(cm/s**2)] ---
4.048 +0.115-0.214
4.048 +0.086-0.402
4.048 +0.086-0.402
4.048 +0.086-0.402
4.000±0.300 4.003
Stellar Metallicity [dex] ---
0.21 +0.05-0.4
0.210 +0.150-0.140
0.210 +0.150-0.140
0.210 +0.150-0.140
--- ---
Stellar Radius [Solar radii] ---
2.533 +0.965-0.414
2.533 +1.879-0.33
2.533 +1.879-0.33
2.5330 +1.8790-0.3300
2.6000±0.9800 ---
Stellar Mass [Solar mass] ---
2.615 +0.371-0.278
2.615 +0.567-0.312
2.615 +0.567-0.312
2.6150 +0.5670-0.3120
2.4900±0.3100 ---
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] --- 19.58571414±0.00000056 19.58571436±0.00000061 19.58571389±0.0000006 --- --- ---
FW Source δ(OOT) [deg] --- 45.0184813±0.0000056 45.0184817±0.0000061 45.0184822±0.0000061 --- --- ---
FW Source Δα(OOT) [sec] --- -0.071±0.021 -0.063±0.023 -0.08±0.023 --- --- ---
FW Source Δδ(OOT) [arcsec] --- -0.031±0.02 -0.03±0.022 -0.028±0.022 --- --- ---
FW Δα(OOT) [sec] --- 0.000176±3.7e-05 0.000153±4.1e-05 0.000185±4e-05 --- --- ---
FW Δδ(OOT) [arcsec] --- -0±3.7e-05 2.7e-05±4.2e-05 1.2e-05±4.1e-05 --- --- ---
PRF ΔαSQ(OOT) [arcsec] --- -0.1±0.46 -0.3±0.45 -0.47±0.34 --- --- ---
PRF ΔδSQ(OOT) [arcsec] --- -0.09±0.21 -0.08±0.16 -0.24±0.16 --- --- ---
PRF ΔθSQ(OOT) [arcsec] --- 0.14±0.46 0.31±0.43 0.53±0.36 --- --- ---
PRF ΔαSQ(KIC) [arcsec] --- -0.15±0.44 -0.34±0.35 -0.53±0.34 --- --- ---
PRF ΔδSQ(KIC) [arcsec] --- -0.09±0.2 -0.09±0.16 -0.26±0.17 --- --- ---
PRF ΔθSQ(KIC) [arcsec] --- 0.18±0.46 0.35±0.34 0.59±0.37 --- --- ---
Chi-Square --- --- --- --- --- 2.97 ---
Stellar Age [Gyr] --- --- --- --- --- 0.413±0.096 ---
Known Objects
1 Kepler Objects of Interest (KOIs)
6 Threshold Crossing Events (TCEs)
4 2MASS Point Source Catalog
Data Files
2 Kepler Time Series
2 SuperWASP Time Series
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
External Link
Search
Browse
Download

NASA Exoplanet Archive is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program.