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Kepler-98 Overview

Kepler-98 1.88 R⦿ 5544.00 K
Kepler-98 b
0.178 RJup
Architecture
Kepler-98
Kepler-98
Kepler-98 b
Discovery Data
Host Planet Orbital Separation Planet Size Method Year Reference Disposition
Kepler-98 Kepler-98 b 1.54 d 1.99 R⨁ Transit 2014 Marcy et al. 2014 Confirmed Planet
Kepler-98 b
  • Orbital period, transit mid-point, transit duration, Rp/Rs and their errors taken from DR24 KOI table. Planet radius error propagated from stellar radius error in ref. and Rp/Rs error. (Morton et al. 2016)
RA
19h02m38.81s
Dec
+37d57m52.44s
Distance
350.315+2.978-2.929
pc
Parallax
2.8258900±0.0238868 mas
Ecliptic Latitude
60.03971 deg
Ecliptic Longitude
295.22119 deg
Galactic Latitude
14.25314 deg
Galactic Longitude
68.59512 deg
Total Proper Motion
17.9890110±0.0467974 mas/yr
Proper Motion (RA)
8.8577500±0.0411918 mas/yr
Proper Motion (Dec)
15.6571000±0.0484547 mas/yr
Photometry
mV
12.996±0.080
mTESS
12.3704±0.0061
mJ
11.672±0.019
mH
11.316±0.021
mKs
11.253±0.017
mKep
12.899
mW1
11.229±0.023
mW2
11.276±0.022
mW3
11.335±0.128
mW4
9.16
mGaia
12.869400±0.000255
mB
14.182±0.066
mg
13.424
mi
12.675
mr
12.843
mz
12.618
Abundances
(Hypatia Catalog)
[Fe/H] 0.12±0.04 dex
[C/H] 0.06±0.09 dex
[O/H] 0.00±0.09 dex
[Na/H] -0.06±0.04 dex
[Mg/H] 0.08±0.07 dex
[Al/H] -0.02±0.06 dex
[Si/H] 0.08±0.05 dex
[Ca/H] 0.13±0.06 dex
[Y/H] 0.16±0.02 dex
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 Weiss et al. 2024 TICv8 Berger et al. 2018 Gaia DR2 Morton et al. 2016 Marcy et al. 2014 Batalha et al. 2013 Latham et al. 2005 Fulton & Petigura 2018 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)
---
5506.000+171.188-111.585
 5567±111
5444.5+99.5-83.5
5571.000+78.771-68.221
 5539±73 5538 5544 5567±60 --- 5533±110
5580 +101-109
5580 +101-109
5580.00 +101.00-109.00
5538.00±44.00 5538
Metallicity
(dex)
--- 0.1±0.1 [M/H] --- ---
0.120+0.088-0.084
[Fe/H] 		0.18±0.07 [Fe/H] --- 0.070 [Fe/H] 0.20±0.04 [Fe/H] --- 0.18±0.15 [Fe/H]
0.140 +0.120-0.140
[Fe/H]
0.140 +0.120-0.140
[Fe/H]
0.140 +0.120-0.140
[Fe/H] 		--- ---
R✶
(R⦿)
---
0.94267600+0.04120950-0.07004670
0.917+0.039-0.037
0.9284392+0.0291470-0.0330269
1.020+0.154-0.100
 1.11±0.12 1.11 1.876 0.910±0.022 --- 1.089±0.161
0.886 +0.117-0.034
0.886 +0.117-0.034
0.8860 +0.1170-0.0340
1.1100±0.1200 1.11
log g
(log10(cm/s2))
---
4.4743200+0.0868827-0.0924604
 --- ---
4.400+0.100-0.119
 4.341±0.10 4.34 3.97 --- ---
4.337 +0.132-0.108
4.538 +0.017-0.112
4.538 +0.017-0.112
4.538 +0.017-0.112
4.340±0.100 4.34
v sin i
(km/s)
--- --- --- --- --- 0.5 --- --- --- --- --- --- --- --- --- ---
Age
(Gyr)
--- --- --- ---
8.320+3.240-5.050
 2.79 --- ---
0.950+2.210-0.580
 --- --- --- --- --- 9±2.5 ---
ρ✶
(g/cm3)
---
1.6257553+0.5102500-0.3172659
 --- --- --- 1.12±0.34 --- ---
1.33+0.02-0.07
 ---
1.62021 +0.42447-0.24556
0.28419 +1.36906-0.00471
0.28419 +1.36906-0.00471
0.28419 +1.36906-0.00471
--- ---
M✶
(M⦿)
1.001±0.022
0.9660000+0.1333010-0.1082510
 --- ---
0.960+0.035-0.033
 0.99±0.06 --- ---
1.001+0.013-0.030
 ---
0.94 +0.067-0.047
0.989 +0.032-0.071
0.989 +0.032-0.071
0.9890 +0.0320-0.0710
0.9880±0.0240 ---
L✶
(log10(L⦿))
---
-0.1332356+0.0116603-0.0162980
 ---
-0.16596630+0.00672375-0.00682949
 --- --- --- --- --- --- --- --- --- --- --- ---
γ
(km/s)
--- --- --- -30.984750071110106±1.631301534011467 --- --- --- --- --- --- --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Planetary Systems
Transit Prediction Service
Kepler Names
KOI
Transit
Source Marcy et al. 2014 Weiss et al. 2024 Gajdoš et al. 2019 Berger et al. 2018 Holczer et al. 2016 Morton et al. 2016 Fulton & Petigura 2018 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 Show Candidate Solutions >> << Hide Candidate Solutions
P
(days)
1.54168 1.541676628 1.5416766295±0.0000008573 --- 1.54167548±0.00000072 1.541676628±1.204e-06 1.541676628±0.000001204 1.541676547±1.139e-06 1.541676547±1.139e-06 1.541676628±1.204e-06 1.541676628±1.204e-06 1.541676628±1.204e-06 1.5416829±3.1e-06
δ
(%)
--- --- --- --- 0.0304 --- --- --- 0.02965±0.00037 0.03097±0.00039 0.03097±0.00039 0.03097±0.00039 0.02970
T14
(hours)
--- --- --- --- 2.2022 1.9874±0.0149 --- --- 1.9118±0.0213 1.9874±0.0149 1.9874±0.0149 1.9874±0.0149 1.9378
TC
(days)
2455003.54328
(BJD)
--- 2455003.54399000±0.00044593
(BJD)
--- 2454954.210851±0.000618
(BJD)
2455003.544037±0.000640
(JD)
--- 2455003.544±0.000605
(BJD)
2455003.544±0.000605
(BJD)
2455003.544±0.00064
(BJD)
2455003.544±0.00064
(BJD)
2455003.544±0.00064
(BJD)
2455003.54195±0.00052
(BJD)
Rp
(R⨁)
1.99±0.22 1.870±0.127 ---
1.581+0.069-0.078
 --- 2.11±0.32 1.870±0.127 ---
1.88 +0.27-0.28
1.82 +0.24-0.07
1.82 +0.24-0.07
1.82 +0.24-0.07
1.98±0.22
Rp
(RJup)
0.178±0.020 0.1668±0.0113 ---
0.1410+0.0062-0.0070
 --- 0.188±0.029 0.1668±0.0113 ---
0.168+0.024-0.025
0.162+0.021-0.006
0.162+0.021-0.006
0.162+0.021-0.006
0.177+0.020-0.020
Rp/R✶
0.016377 --- --- --- ---
0.018805 +0.000133-0.002241
0.018805+0.000133-0.002241
 ---
0.015785 +0.000136-0.000457
0.018805 +0.000133-0.002241
0.018805 +0.000133-0.002241
0.018805 +0.000133-0.002241
0.0163±0.00027
a/R✶
--- --- --- --- --- --- --- --- 5.88±1.5 3.29±1.6 3.29±1.6 3.29±1.6 5.1±0.89
Teq
(K)
--- --- --- --- --- --- --- --- 1592 1437 1437 1437 1597
b
0.56±0.14 --- --- --- --- --- --- ---
0.362 +0.067-0.362
0.868 +0-0.6224
0.868 +0-0.6224
0.868 +0-0.6224
0.587±0.1
S
(S⨁)
--- --- ---
1107.389+25.883-25.258
 --- --- 1044.0±69.5 ---
1517.84 +645.82-492.42
1007.55 +379.72-146.54
1007.55 +379.72-146.54
1007.55 +379.72-146.54
---
e
--- 0 --- --- --- --- --- --- 0 0 0 0 0
i
(deg)
--- --- --- --- --- --- --- --- 86.47 74.48 74.48 74.48 83.65
a
(au)
--- 0.02612642988 --- --- --- --- 0.02614±0.00019 --- .0256 .026 .026 .026 .026
Mp
(M⨁)
3.55±1.6 --- --- --- --- --- --- --- --- --- --- --- ---
Mp
(MJup)
0.011±0.005 --- --- --- --- --- --- --- --- --- --- --- ---
ρ
(g/cm3)
2.18±1.21 1.746253928±1.764743444 --- --- --- --- --- --- --- --- --- --- ---
K
(m/s)
1.82±0.8 1.134081±1.150705 --- --- --- --- --- --- --- --- --- --- ---
Mp sin i
(M⨁)
--- 2.072433562±2.080140291 --- --- --- --- --- --- --- --- --- --- ---
Mp sin i
(MJup)
--- 0.0064503011280±0.0065448532860 --- --- --- --- --- --- --- --- --- --- ---
Print
Kepler Detection Products (4 File Types, 18 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_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_q12_tce q1_q16_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Object of Interest
KepID 2692377 2692377 2692377 2692377 2692377 2692377 2692377
KOI Name K00299.01 K00299.01 K00299.01 K00299.01 K00299.01 K00299.01 K00299.01
Kepler Name Kepler-98 b Kepler-98 b Kepler-98 b Kepler-98 b Kepler-98 b Kepler-98 b Kepler-98 b
Exoplanet Archive Disposition CONFIRMED CONFIRMED CONFIRMED CONFIRMED CONFIRMED CONFIRMED CONFIRMED
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 CANDIDATE CANDIDATE CANDIDATE NOT DISPOSITIONED NOT DISPOSITIONED 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 q1_q8_koi q1_q6_kepler_candidates
Orbital Period [days] 1.541676547±1.139e-06 1.541676547±1.139e-06 1.541676628±1.204e-06 1.541676628±1.204e-06 1.541676628±1.204e-06 1.5416829±3.1e-06 1.5416821±4.2e-06
Transit Epoch [BKJD] 170.543719±0.000605 170.543719±0.000605 170.544037±0.00064 170.544037±0.00064 170.544037±0.00064 170.54195±0.00052 170.542±0.00062
Transit Epoch [BJD] 2455003.544±0.000605 2455003.544±0.000605 2455003.544±0.00064 2455003.544±0.00064 2455003.544±0.00064 2455003.54195±0.00052 2455003.542±0.00062
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 q1_q12_tce --- ---
Link to DV Report kplr002692377-20160209194854_dvr.pdf kplr002692377-20160209194854_dvr.pdf kplr002692377-20141002224145_dvr.pdf kplr002692377-20130815195353_dvr.pdf kplr002692377-20121029204534_dvr.pdf --- ---
RA [decimal degrees] 285.66165 285.66165 285.66165 285.66165 285.66165 285.66165 285.66165
Dec [decimal degrees] 37.9645 37.9645 37.9645 37.9645 37.9645 37.9645 37.9645
Kepler-band [mag] 12.899000000000001 12.899000000000001 12.899000000000001 12.899000000000001 12.899000000000001 12.899000000000001 12.899000000000001
g'-band [mag] 13.424000000000001 13.424000000000001 13.424000000000001 13.424000000000001 13.424000000000001 13.424000000000001 13.424000000000001
r'-band [mag] 12.843 12.843 12.843 12.843 12.843 12.843 12.843
i'-band [mag] 12.675 12.675 12.675 12.675 12.675 12.675 12.675
z'-band [mag] 12.618 12.618 12.618 12.618 12.618 12.618 12.618
J-band [mag] 11.672 11.672 11.672 11.672 11.672 11.672 11.672
H-band [mag] 11.316 11.316 11.316 11.316 11.316 11.316 11.316
K-band [mag] 11.253 11.253 11.253 11.253 11.253 11.253 11.253
Disposition Score --- 1.0 --- --- --- --- ---
Comment --- NO_COMMENT --- --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
0.362 +0.067-0.362
0.868 +0-0.6224
0.868 +0-0.6224
0.868 +0-0.6224
0.587±0.1 0.72±0.35
Transit Duration [hrs] --- 1.9118±0.0213 1.9874±0.0149 1.9874±0.0149 1.9874±0.0149 1.9378 1.9612
Transit Depth [ppm] --- 296.5±3.7 309.7±3.9 309.7±3.9 309.7±3.9 297 301
Planet-Star Radius Ratio ---
0.015785 +0.000136-0.000457
0.018805 +0.000133-0.002241
0.018805 +0.000133-0.002241
0.018805 +0.000133-0.002241
0.0163±0.00027 0.01708±0.00054
Fitted Stellar Density [g/cm**3] ---
1.62021 +0.42447-0.24556
0.28419 +1.36906-0.00471
0.28419 +1.36906-0.00471
0.28419 +1.36906-0.00471
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
1.88 +0.27-0.28
1.82 +0.24-0.07
1.82 +0.24-0.07
1.82 +0.24-0.07
1.98±0.22 2.07
Orbit Semi-Major Axis [au] --- .0256 .026 .026 .026 .026 .026
Inclination [deg] --- 86.47 74.48 74.48 74.48 83.65 ---
Equilibrium Temperature [K] --- 1592 1437 1437 1437 1597 1597
Insolation Flux [Earth flux] ---
1517.84 +645.82-492.42
1007.55 +379.72-146.54
1007.55 +379.72-146.54
1007.55 +379.72-146.54
--- ---
Planet-Star Distance over Star Radius --- 5.88±1.5 3.29±1.6 3.29±1.6 3.29±1.6 5.1±0.89 4.4±1.6
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 -0.45170000000000005 ---
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 0.9633 ---
Limb Darkening Coeff. 2 --- 0.224 0.23800000000000002 0.23800000000000002 0.23800000000000002 -0.3514 ---
Limb Darkening Coeff. 1 --- 0.46950000000000003 0.4461 0.4461 0.4461 0.6285000000000001 ---
Maximum Single Event Statistic --- 5.5311894 8.973728 --- --- --- ---
Maximum Multiple Event Statistic --- 46.360554 48.052485999999995 --- --- --- ---
Transit Signal-to-Noise --- 94.10000000000001 101.7 101.7 101.7 122.2 80.7
Number of Transits --- 869 869 --- --- --- ---
TCE Planet Number --- 1 1 1 1 --- ---
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.9843000000000001 --- --- --- --- ---
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 --- kplr002692377-001-20160209194854_dvs.pdf kplr002692377-001-20141002224145_dvs.pdf kplr002692377-001-20130826182306_dvs.pdf kplr002692377-001-20121115231752_dvs.pdf --- ---
Stellar Effective Temperature [K] --- 5533±110
5580 +101-109
5580 +101-109
5580.00 +101.00-109.00
5538.00±44.00 5538
Stellar Surface Gravity [log10(cm/s**2)] ---
4.337 +0.132-0.108
4.538 +0.017-0.112
4.538 +0.017-0.112
4.538 +0.017-0.112
4.340±0.100 4.34
Stellar Metallicity [dex] --- 0.18±0.15
0.140 +0.120-0.140
0.140 +0.120-0.140
0.140 +0.120-0.140
--- ---
Stellar Radius [Solar radii] --- 1.089±0.161
0.886 +0.117-0.034
0.886 +0.117-0.034
0.8860 +0.1170-0.0340
1.1100±0.1200 1.11
Stellar Mass [Solar mass] ---
0.94 +0.067-0.047
0.989 +0.032-0.071
0.989 +0.032-0.071
0.9890 +0.0320-0.0710
0.9880±0.0240 ---
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 SME SME
FW Offset Significance [percent] --- 0.062 0.28800000000000003 0.037000000000000005 0.007 0.001 ---
FW Source α(OOT) [hrs] --- 19.0441015±0.0000038 19.0441094±0.0000047 19.0441052±0.0000045 19.044102000±0.000005600 19.044098900±0.000006000 ---
FW Source δ(OOT) [deg] --- 37.964416±0.000056 37.964444±0.00008 37.964445±0.000071 37.96442500±0.00008200 37.96441300±0.00009000 ---
FW Source Δα(OOT) [sec] --- -0.36±0.16 -0.02±0.2 -0.2±0.19 -0.03000±0.02000 -0.04100±0.02200 ---
FW Source Δδ(OOT) [arcsec] --- -0.3±0.2 -0.2±0.29 -0.2±0.26 -0.02000±0.02000 -0.02100±0.02200 ---
FW Δα(OOT) [sec] --- 5.1e-05±3.4e-05 7e-06±3.8e-05 4.2e-05±3.7e-05 5.7e-06±3.9e-06 7.8e-06±2e-06 ---
FW Δδ(OOT) [arcsec] --- 2e-05±4.2e-05 4.1e-05±5.4e-05 4.4e-05±4.9e-05 3.9e-06±3.7e-06 4.1e-06±2e-06 ---
PRF ΔαSQ(OOT) [arcsec] --- 0.156±0.097 0.104±0.095 0.09±0.094 0.1470±0.0960 0.1200±0.1000 ---
PRF ΔδSQ(OOT) [arcsec] --- 0.09±0.12 0.06±0.14 0.07±0.13 0.0000±0.1200 0.0400±0.1600 ---
PRF ΔθSQ(OOT) [arcsec] --- 0.18±0.12 0.12±0.13 0.11±0.12 0.1470±0.0960 0.1300±0.1100 ---
PRF ΔαSQ(KIC) [arcsec] --- 0.268±0.095 0.224±0.097 0.208±0.095 0.2600±0.1100 0.2300±0.1100 ---
PRF ΔδSQ(KIC) [arcsec] --- 0.2±0.1 0.16±0.11 0.18±0.13 0.0970±0.0980 0.0480±0.0890 ---
PRF ΔθSQ(KIC) [arcsec] --- 0.33±0.12 0.28±0.12 0.27±0.13 0.2800±0.1100 0.2400±0.1100 ---
Chi-Square --- --- --- --- --- 1.24 1.24
Stellar Age [Gyr] --- --- --- --- --- 9±2.5 ---
Known Objects
1 Confirmed Planets
1 Kepler Objects of Interest (KOIs)
2 Threshold Crossing Events (TCEs)
4 2MASS Point Source Catalog
Data Files
2 Kepler Time Series
2 SuperWASP Time Series
1 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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