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Kepler-1981 Overview

  • Star: Kepler-1981
    • Stellar Radius: 1.23 Solar Radius
    • Stellar Effective Temperature: 5831.00 K
    • Planet: KOI-6103.02
      • Disposition Candidate
    • Planet: Kepler-1981 b
      • Disposition Confirmed
      • Planet Radius 0.823 Jupiter Radius

Kepler-1981 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
Kepler-1981
KOI-6103.02 122.81 d --- Transit 2014 Q1-Q16 KOI Table Candidate Planet
Kepler-1981 b 453.54 d 9.23 R⨁ Transit 2023 Valizadegan et al. 2023 Confirmed Planet
RA
19h11m54.11s
Dec
+38d44m25.08s
Distance
659.395+6.820-6.684
pc
Parallax
1.4877500±0.0154112 mas
Ecliptic Latitude
60.37396 deg
Ecliptic Longitude
299.13583 deg
Galactic Latitude
12.91169 deg
Galactic Longitude
70.08397 deg
Total Proper Motion
3.4360216±0.0309443 mas/yr
Proper Motion (RA)
1.8332400±0.0254615 mas/yr
Proper Motion (Dec)
2.9061100±0.0328727 mas/yr
Photometry
mV 13.563±0.114
mTESS 12.9475±0.0118
mJ 12.334±0.022
mH 12.055±0.023
mKs 11.951±0.023
mKep 13.436
mW1 11.942±0.024
mW2 11.966±0.022
mW3 12.316±0.279
mW4 9.29
mGaia 13.381100±0.000244
mB 14.648±0.067
mg 14.0759000±0.0031915
mi 13.4506000±0.0019513
mr 13.5474000±0.0043238
mu 15.2420000±0.0046416
mz 13.296500±0.003892
Mission
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
Kepler Names
KOI
Kepler Stellar Data
Kepler Positional Probabilities
Q1-Q17 DR25 False Positive Probabilities
Kepler Certified False Positive
Q1-Q16 DR25 TCE
Stellar Hosts
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 DR25 KOI Table Q1-Q17 DR24 KOI Table Q1-Q17 DR24 KOI Table Q1-Q16 KOI Table Q1-Q16 KOI Table
Teff
(K)
5883.4500+120.8890-91.6607
 5831 --- ---
5874 +87-79
5874 +87-79
6109 +146-186
6109 +146-186
6109 +146-186
6109 +146-186
Metallicity
(dex)
-0.1958720±0.0203832 [M/H] -0.084 [Fe/H] --- --- 0.12±0.15 [Fe/H] 0.12±0.15 [Fe/H]
-0.080 +0.240-0.300
[Fe/H]
-0.080 +0.240-0.300
[Fe/H]
-0.080 +0.240-0.300
[Fe/H]
-0.080 +0.240-0.300
[Fe/H]
R✶
(R⦿)
1.2740000+0.0580246-0.0624176
 1.230 --- ---
3.006 +0.572-1.335
3.006 +0.572-1.335
1.179 +0.614-0.18
1.179 +0.614-0.18
1.179 +0.614-0.18
1.179 +0.614-0.18
log g
(log10(cm/s2))
4.2571200+0.0787250-0.0702426
 4.30 --- ---
3.664 +0.375-0.125
3.664 +0.375-0.125
4.312 +0.127-0.292
4.312 +0.127-0.292
4.312 +0.127-0.292
4.312 +0.127-0.292
L✶
(log10(L⦿))
0.24355914+0.02880029-0.01515660
 --- --- --- --- --- --- --- --- ---
ρ✶
(g/cm3)
0.7295329+0.1935029-0.1105844
 --- --- ---
0.41255 +0.35242-0.28684
0.48001 +5.03280-0.37609
136.55765 +32.52222-63.96835
0.40930 +0.39496-0.02158
0.40930 +0.39496-0.02158
136.55765 +32.52222-63.96835
M✶
(M⦿)
1.0700000+0.1758170-0.0832309
 --- --- ---
1.519 +0.15-0.376
1.519 +0.15-0.376
1.038 +0.236-0.117
1.038 +0.236-0.117
1.038 +0.236-0.117
1.038 +0.236-0.117
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
Kepler Names
KOI
Transit
Source Q1-Q17 DR25 KOI Table Valizadegan et al. 2023 Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR24 KOI Table Q1-Q16 KOI Table
a/R✶
164.9±70.4 --- --- 164.5±79.4 164.5±79.4
Teq
(K)
390 --- --- 270 270
b
0.633 +0.219-0.405
--- ---
0.6293 +0.0241-0.4733
0.6293 +0.0241-0.4733
S
(S⨁)
5.45 +2.74-3.85
--- ---
1.26 +1.95-0.46
1.26 +1.95-0.46
e
0 --- --- 0 0
i
(deg)
89.78 --- --- 89.95 89.95
P
(days)
453.54212±0.003501 453.5429993 453.54212±0.003501 453.543999±0.004065 453.543999±0.004065
Rp
(R⨁)
9.23 +1.76-4.1
9.411999702 ---
3.71 +1.93-0.56
3.71 +1.93-0.56
Rp
(RJup)
0.823+0.157-0.366
 0.8396838173 ---
0.331+0.172-0.050
0.331+0.172-0.050
Rp/R✶
0.02813 +0.002815-0.001308
--- ---
0.028831 +0.002414-0.001322
0.028831 +0.002414-0.001322
a
(au)
1.3292 --- --- 1.1712 1.1712
δ
(%)
0.08610±0.00186 --- --- 0.09023±0.00206 0.09023±0.00206
T14
(hours)
17.026±0.24 --- --- 17.145±0.251 17.145±0.251
TC
(days)
2455193.062±0.00473
(BJD)
--- 2455193.062±0.00473
(BJD)
2455193.062±0.00478
(BJD)
2455193.062±0.00478
(BJD)
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 Q1-Q16 KOI Table
a/R✶
--- 72.6±36.2 477±114 477±114
Teq
(K)
--- 602 418 418
b
---
1.346 +6.945-0.062
0.2578 +0.1936-0.2578
0.2578 +0.1936-0.2578
S
(S⨁)
---
31.11 +15.64-22.00
7.21 +11.12-2.64
7.21 +11.12-2.64
e
--- 0 0 0
i
(deg)
--- 88.94 89.95 89.95
P
(days)
122.8054416±0.0009181 122.8054416±0.0009181 122.8056263±0.000927 122.8056263±0.000927
Rp
(R⨁)
---
118.62 +22.57-52.68
1.99 +1.04-0.3
1.99 +1.04-0.3
Rp
(RJup)
---
10.583+2.014-4.700
0.178+0.093-0.027
0.178+0.093-0.027
Rp/R✶
---
0.361369 +6.952184-0.064837
0.015457 +0.000819-0.001319
0.015457 +0.000819-0.001319
a
(au)
--- .5563 .4902 .4902
δ
(%)
--- 0.03130±0.00337 0.02806±0.00329 0.02806±0.00329
T14
(hours)
--- 2.663±0.261 1.93±0.153 1.93±0.153
TC
(days)
2455012.317±0.00621
(BJD)
2455012.317±0.00621
(BJD)
2455012.317±0.00658
(BJD)
2455012.317±0.00658
(BJD)
Print
Kepler Detection Products (4 File Types, 16 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_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 Detection Products
Kepler Pipeline Data Validation Summaries q1_q16_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Object of Interest
KepID 3634051 3634051 3634051 3634051
KOI Name K06103.02 K06103.02 K06103.02 K06103.02
Exoplanet Archive Disposition CANDIDATE CANDIDATE CANDIDATE CANDIDATE
Vetting Status Done Done Done Done
Date of Last Parameter Update 2018-08-16 2017-08-31 2015-09-24 2014-12-18
Disposition Using Kepler Data CANDIDATE CANDIDATE CANDIDATE CANDIDATE
Not Transit-Like False Positive Flag 0 0 0 0
Stellar Eclipse False Positive Flag 0 0 0 0
Centroid Offset False Positive Flag 0 0 0 0
Ephemeris Match Indicates Contamination False Positive Flag 0 0 0 0
Disposition Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi q1_q16_koi
Orbital Period [days] 122.8054416±0.0009181 122.8054416±0.0009181 122.8056263±0.000927 122.8056263±0.000927
Transit Epoch [BKJD] 179.31732±0.00621 179.31732±0.00621 179.31737±0.00658 179.31737±0.00658
Transit Epoch [BJD] 2455012.317±0.00621 2455012.317±0.00621 2455012.317±0.00658 2455012.317±0.00658
Parameters Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi q1_q16_koi
Number of Planets 2 2 2 2
TCE Delivery q1_q17_dr25_tce q1_q17_dr25_tce q1_q17_dr24_tce q1_q16_tce
Link to DV Report kplr003634051-20160209194854_dvr.pdf kplr003634051-20160209194854_dvr.pdf kplr003634051-20141002224145_dvr.pdf kplr003634051-20130815195353_dvr.pdf
RA [decimal degrees] 287.97546 287.97546 287.97546 287.97546
Dec [decimal degrees] 38.74028 38.74028 38.74028 38.74028
Kepler-band [mag] 13.436 13.436 13.436 13.436
g'-band [mag] 13.858 13.858 13.858 13.858
r'-band [mag] 13.38 13.38 13.38 13.38
i'-band [mag] 13.255 13.255 13.255 13.255
z'-band [mag] 13.196 13.196 13.196 13.196
J-band [mag] 12.334 12.334 12.334 12.334
H-band [mag] 12.055 12.055 12.055 12.055
K-band [mag] 11.951 11.951 11.951 11.951
Disposition Score --- 0.755 --- ---
Comment --- NO_COMMENT --- ---
Eccentricity --- 0 0 0
Impact Parameter ---
1.346 +6.945-0.062
0.2578 +0.1936-0.2578
0.2578 +0.1936-0.2578
Transit Duration [hrs] --- 2.663±0.261 1.93±0.153 1.93±0.153
Transit Depth [ppm] --- 313±33.7 280.6±32.9 280.6±32.9
Planet-Star Radius Ratio ---
0.361369 +6.952184-0.064837
0.015457 +0.000819-0.001319
0.015457 +0.000819-0.001319
Fitted Stellar Density [g/cm**3] ---
0.48001 +5.03280-0.37609
136.55765 +32.52222-63.96835
136.55765 +32.52222-63.96835
Planetary Fit Type --- LS+MCMC MCMC MCMC
Planetary Radius [Earth radii] ---
118.62 +22.57-52.68
1.99 +1.04-0.3
1.99 +1.04-0.3
Orbit Semi-Major Axis [au] --- .5563 .4902 .4902
Inclination [deg] --- 88.94 89.95 89.95
Equilibrium Temperature [K] --- 602 418 418
Insolation Flux [Earth flux] ---
31.11 +15.64-22.00
7.21 +11.12-2.64
7.21 +11.12-2.64
Planet-Star Distance over Star Radius --- 72.6±36.2 477±114 477±114
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
Limb Darkening Coeff. 4 --- 0.0 0.0 0.0
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0
Limb Darkening Coeff. 2 --- 0.2701 0.2961 0.2961
Limb Darkening Coeff. 1 --- 0.3963 0.3378 0.3378
Maximum Single Event Statistic --- 4.6782465 5.6984076 ---
Maximum Multiple Event Statistic --- 9.364022 9.504027 ---
Transit Signal-to-Noise --- 10.6 10.3 10.3
Number of Transits --- 11 11 ---
TCE Planet Number --- 2 2 2
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 ---
Odd-Even Depth Comparision Statistic --- 0.6158 --- ---
Transit Model --- 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 --- kplr003634051-002-20160209194854_dvs.pdf kplr003634051-002-20141002224145_dvs.pdf kplr003634051-002-20130826182306_dvs.pdf
Stellar Effective Temperature [K] ---
5874 +87-79
6109 +146-186
6109 +146-186
Stellar Surface Gravity [log10(cm/s**2)] ---
3.664 +0.375-0.125
4.312 +0.127-0.292
4.312 +0.127-0.292
Stellar Metallicity [dex] --- 0.12±0.15
-0.080 +0.240-0.300
-0.080 +0.240-0.300
Stellar Radius [Solar radii] ---
3.006 +0.572-1.335
1.179 +0.614-0.18
1.179 +0.614-0.18
Stellar Mass [Solar mass] ---
1.519 +0.15-0.376
1.038 +0.236-0.117
1.038 +0.236-0.117
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16
FW Offset Significance [percent] --- 0.948 0.967 0.754
FW Source α(OOT) [hrs] --- 19.198366±0.00003 19.198361±0.000031 19.198364±0.000031
FW Source δ(OOT) [deg] --- 38.74025±0.00038 38.74035±0.00047 38.74048±0.00046
FW Source Δα(OOT) [sec] --- 0.1±1.2 -0.1±1.3 0±1.3
FW Source Δδ(OOT) [arcsec] --- -0.1±1.4 0.2±1.7 0.7±1.7
FW Δα(OOT) [sec] --- -1e-05±0.00038 4e-05±0.00039 1e-05±0.00038
FW Δδ(OOT) [arcsec] --- 7e-05±0.00042 -4e-05±0.00051 -0.00018±0.00049
PRF ΔαSQ(OOT) [arcsec] --- 0.29±0.41 0.34±0.49 0.33±0.65
PRF ΔδSQ(OOT) [arcsec] --- 0.66±0.45 0.84±0.45 -0.16±0.5
PRF ΔθSQ(OOT) [arcsec] --- 0.72±0.44 0.91±0.48 0.36±0.66
PRF ΔαSQ(KIC) [arcsec] --- 0.3±0.51 0.35±0.63 0.33±0.59
PRF ΔδSQ(KIC) [arcsec] --- 0.85±0.5 1.01±0.51 0.04±0.42
PRF ΔθSQ(KIC) [arcsec] --- 0.91±0.47 1.07±0.55 0.34±0.59
KepID 3634051 3634051 3634051 3634051
KOI Name K06103.01 K06103.01 K06103.01 K06103.01
Kepler Name Kepler-1981 b Kepler-1981 b Kepler-1981 b Kepler-1981 b
Exoplanet Archive Disposition CONFIRMED CONFIRMED CONFIRMED CONFIRMED
Vetting Status Done Done Done Done
Date of Last Parameter Update 2018-08-16 2017-08-31 2015-09-24 2014-12-18
Disposition Using Kepler Data CANDIDATE FALSE POSITIVE CANDIDATE CANDIDATE
Not Transit-Like False Positive Flag 0 1 0 0
Stellar Eclipse False Positive Flag 0 0 0 0
Centroid Offset False Positive Flag 0 0 0 0
Ephemeris Match Indicates Contamination False Positive Flag 0 0 0 0
Disposition Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi q1_q16_koi
Orbital Period [days] 453.54212±0.003501 453.54212±0.003501 453.543999±0.004065 453.543999±0.004065
Transit Epoch [BKJD] 360.0617±0.00473 360.0617±0.00473 360.06159±0.00478 360.06159±0.00478
Transit Epoch [BJD] 2455193.062±0.00473 2455193.062±0.00473 2455193.062±0.00478 2455193.062±0.00478
Parameters Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi q1_q16_koi
Number of Planets 2 2 2 2
TCE Delivery q1_q17_dr25_tce q1_q17_dr25_tce q1_q17_dr24_tce q1_q16_tce
Link to DV Report kplr003634051-20160209194854_dvr.pdf kplr003634051-20160209194854_dvr.pdf kplr003634051-20141002224145_dvr.pdf kplr003634051-20130815195353_dvr.pdf
RA [decimal degrees] 287.97546 287.97546 287.97546 287.97546
Dec [decimal degrees] 38.74028 38.74028 38.74028 38.74028
Kepler-band [mag] 13.436 13.436 13.436 13.436
g'-band [mag] 13.858 13.858 13.858 13.858
r'-band [mag] 13.38 13.38 13.38 13.38
i'-band [mag] 13.255 13.255 13.255 13.255
z'-band [mag] 13.196 13.196 13.196 13.196
J-band [mag] 12.334 12.334 12.334 12.334
H-band [mag] 12.055 12.055 12.055 12.055
K-band [mag] 11.951 11.951 11.951 11.951
Disposition Score --- 0.0 --- ---
Comment --- INDIV_TRANS_SKYE---CENT_FEW_DIFFS TOO_FEW_QUARTERS ---
Eccentricity --- 0 0 0
Impact Parameter ---
0.633 +0.219-0.405
0.6293 +0.0241-0.4733
0.6293 +0.0241-0.4733
Transit Duration [hrs] --- 17.026±0.24 17.145±0.251 17.145±0.251
Transit Depth [ppm] --- 861±18.6 902.3±20.6 902.3±20.6
Planet-Star Radius Ratio ---
0.02813 +0.002815-0.001308
0.028831 +0.002414-0.001322
0.028831 +0.002414-0.001322
Fitted Stellar Density [g/cm**3] ---
0.41255 +0.35242-0.28684
0.40930 +0.39496-0.02158
0.40930 +0.39496-0.02158
Planetary Fit Type --- LS+MCMC MCMC MCMC
Planetary Radius [Earth radii] ---
9.23 +1.76-4.1
3.71 +1.93-0.56
3.71 +1.93-0.56
Orbit Semi-Major Axis [au] --- 1.3292 1.1712 1.1712
Inclination [deg] --- 89.78 89.95 89.95
Equilibrium Temperature [K] --- 390 270 270
Insolation Flux [Earth flux] ---
5.45 +2.74-3.85
1.26 +1.95-0.46
1.26 +1.95-0.46
Planet-Star Distance over Star Radius --- 164.9±70.4 164.5±79.4 164.5±79.4
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
Limb Darkening Coeff. 4 --- 0.0 0.0 0.0
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0
Limb Darkening Coeff. 2 --- 0.2701 0.2961 0.2961
Limb Darkening Coeff. 1 --- 0.3963 0.3378 0.3378
Maximum Single Event Statistic --- 23.997772 24.525255 ---
Maximum Multiple Event Statistic --- 35.408863 37.387207 ---
Transit Signal-to-Noise --- 48.8 45.5 45.5
Number of Transits --- 3 3 ---
TCE Planet Number --- 1 1 1
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 ---
Odd-Even Depth Comparision Statistic --- 0.4186 --- ---
Transit Model --- 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 --- kplr003634051-001-20160209194854_dvs.pdf kplr003634051-001-20141002224145_dvs.pdf kplr003634051-001-20130826182306_dvs.pdf
Stellar Effective Temperature [K] ---
5874 +87-79
6109 +146-186
6109 +146-186
Stellar Surface Gravity [log10(cm/s**2)] ---
3.664 +0.375-0.125
4.312 +0.127-0.292
4.312 +0.127-0.292
Stellar Metallicity [dex] --- 0.12±0.15
-0.080 +0.240-0.300
-0.080 +0.240-0.300
Stellar Radius [Solar radii] ---
3.006 +0.572-1.335
1.179 +0.614-0.18
1.179 +0.614-0.18
Stellar Mass [Solar mass] ---
1.519 +0.15-0.376
1.038 +0.236-0.117
1.038 +0.236-0.117
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16
FW Offset Significance [percent] --- 0.438 0.166 0.245
FW Source α(OOT) [hrs] --- 19.1983575±0.0000097 19.198364±0.00001 19.1983686±0.0000097
FW Source δ(OOT) [deg] --- 38.74029±0.00012 38.74017±0.00015 38.74021±0.00013
FW Source Δα(OOT) [sec] --- -0.27±0.41 -0.02±0.43 0.2±0.41
FW Source Δδ(OOT) [arcsec] --- 0.03±0.43 -0.39±0.55 -0.26±0.47
FW Δα(OOT) [sec] --- 0.00028±0.00036 5e-05±0.00037 -0.00015±0.00037
FW Δδ(OOT) [arcsec] --- 8e-05±0.00038 0.00043±0.00047 0.00033±0.00042
PRF ΔαSQ(OOT) [arcsec] --- -0.28±0.29 -0.28±0.29 -0.28±0.29
PRF ΔδSQ(OOT) [arcsec] --- -0.32±0.075 -0.321±0.075 -0.336±0.09
PRF ΔθSQ(OOT) [arcsec] --- 0.42±0.2 0.43±0.2 0.44±0.2
PRF ΔαSQ(KIC) [arcsec] --- -0.26±0.25 -0.25±0.25 -0.26±0.26
PRF ΔδSQ(KIC) [arcsec] --- -0.127±0.071 -0.126±0.071 -0.142±0.082
PRF ΔθSQ(KIC) [arcsec] --- 0.29±0.23 0.28±0.22 0.3±0.24
Known Objects
1 Confirmed Planets
2 Kepler Objects of Interest (KOIs)
2 Threshold Crossing Events (TCEs)
4 2MASS Point Source Catalog
Data Files
1 Kepler Time Series
1 SuperWASP Time Series
1 Associated Literature Data
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  • False Positive Planet
  • Controversial
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  • Aliases
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  • Transit Prediction Service
  • Time Series
  • Kepler | K2
  • External Link
  • Search
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