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Kepler-998 Overview

Kepler-998 0.91 R⦿ 5738.00 K
Kepler-998 b
0.207 RJup
Architecture
Kepler-998
Kepler-998
Kepler-998 b
Discovery Data
Host Planet Orbital Separation Planet Size Method Year Reference Disposition
Kepler-998 Kepler-998 b 5.65 d 2.32 R⨁ Transit 2016 Morton et al. 2016 Confirmed Planet
Kepler-998 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
19h47m01.00s
Dec
+49d12m31.35s
Distance
986.3640+15.6660-15.1970
pc
Parallax
0.98510800±0.01574120 mas
Ecliptic Latitude
67.9216 deg
Ecliptic Longitude
321.47935 deg
Galactic Latitude
11.86453 deg
Galactic Longitude
82.53844 deg
Total Proper Motion
2.3015076±0.0315924 mas/yr
Proper Motion (RA)
1.8666800±0.0308216 mas/yr
Proper Motion (Dec)
-1.3462700±0.0330238 mas/yr
Photometry
mV
14.463±0.080
mTESS
13.8748±0.0074
mJ
13.229±0.022
mH
12.943±0.021
mKs
12.888±0.031
mKep
14.377
mW1
12.868±0.023
mW2
12.898±0.023
mW3
12.507
mW4
9.614
mGaia
14.340800±0.000233
mB
15.304±0.023
mg
14.844
mi
14.176
mr
14.327
mz
14.114
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 Berger et al. 2018 Gaia DR2 Morton et al. 2016 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)
5822.0±122.0 5990±210
5804.500+926.820-409.515
6058.000+104.495-165.401
 5738 5738 ---
5988 +161-179
5988 +152-180
5988 +152-180
5988.00 +152.00-180.00
5973.00±92.00 5738
Metallicity
(dex)
--- --- ---
0.0700+0.1420-0.1490
[Fe/H] 		--- -0.112 [Fe/H] --- -0.12±0.3 [Fe/H]
-0.120 +0.220-0.300
[Fe/H]
-0.120 +0.220-0.300
[Fe/H]
-0.120 +0.220-0.300
[Fe/H] 		--- ---
R✶
(R⦿)
1.22732
1.179+0.090-0.082
1.172322+0.184728-0.300604
1.180+0.308-0.149
 0.90 0.913 ---
0.934 +0.294-0.078
0.934 +0.386-0.08
0.934 +0.386-0.08
0.9340 +0.3860-0.0800
0.9300±0.4200 .9
log g
(log10(cm/s2))
4.28134 --- ---
4.340+0.095-0.170
 4.52 4.54 ---
4.507 +0.039-0.221
4.507 +0.038-0.298
4.507 +0.038-0.298
4.507 +0.038-0.298
4.520±0.300 4.52
M✶
(M⦿)
1.05 --- ---
1.120+0.098-0.083
 0.99 --- --- 1.021±0.134
1.021 +0.138-0.128
1.021 +0.138-0.128
1.0210 +0.1380-0.1280
1.0290±0.0880 ---
L✶
(log10(L⦿))
0.1928965 ---
0.14784781+0.01995672-0.02091813
 --- --- --- --- --- --- --- --- --- ---
Age
(Gyr)
--- --- ---
3.31+1.55-1.53
 --- --- --- --- --- --- --- 0.3±2.4 ---
ρ✶
(g/cm3)
0.8007292 --- --- --- --- --- ---
5.00238 +2.17202-0.65837
5.80107 +1.49563-1.22307
5.80107 +1.49563-1.22307
5.80107 +1.49563-1.22307
--- ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
Kepler Names
KOI
Transit
Source Morton et al. 2016 Gajdoš et al. 2019 Berger et al. 2018 Holczer et al. 2016 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
a/R✶
--- --- --- --- --- 20.37±8.8 21.4±5.5 21.4±5.5 21.4±5.5 12.2±5.7
Teq
(K)
--- --- --- --- --- 1020 1020 1020 1020 1010
b
--- --- --- --- ---
0.439 +0.451-0.247
0.3062 +0.1226-0.3062
0.3062 +0.1226-0.3062
0.3062 +0.1226-0.3062
0.83±0.4
S
(S⨁)
--- ---
409.917+17.712-16.924
 --- ---
256.14 +236.21-65.59
256.14 +309.42-66.61
256.14 +309.42-66.61
256.14 +309.42-66.61
---
e
--- --- --- --- --- 0 0 0 0 0
i
(deg)
--- --- --- --- --- 88.77 89.38 89.38 89.38 85.94
P
(days)
5.65377733±1.059e-05 5.6537836687±0.0000127528 --- 5.65376987±0.00000272 5.65378163±1.105e-05 5.65378163±1.105e-05 5.65377733±1.059e-05 5.65377733±1.059e-05 5.65377733±1.059e-05 5.653717±3.9e-05
Rp
(R⨁)
2.32+0.61-0.30
 ---
2.303+0.178-0.182
 --- ---
1.82 +0.58-0.15
1.88 +0.78-0.16
1.88 +0.78-0.16
1.88 +0.78-0.16
1.97±0.93
Rp
(RJup)
0.207+0.054-0.027
 ---
0.2055+0.0159-0.0162
 --- ---
0.162+0.052-0.013
0.168+0.070-0.014
0.168+0.070-0.014
0.168+0.070-0.014
0.176+0.083-0.083
Rp/R✶
0.018451 +0.000425-0.000525
--- --- --- ---
0.017893 +0.000205-0.00068
0.018451 +0.000425-0.000525
0.018451 +0.000425-0.000525
0.018451 +0.000425-0.000525
0.0195±0.0027
a
(au)
--- --- --- --- --- .0626 .0626 .0626 .0626 .063
δ
(%)
--- --- --- 0.0408 --- 0.03668±0.00114
0.03986+0.00120-0.00120
0.03986+0.00120-0.00120
0.03986+0.00120-0.00120
 0.03570
T14
(hours)
1.9612±0.049 --- --- 2.2836 --- 1.9483±0.0489 1.9612±0.049 1.9612±0.049 1.9612±0.049 2.1148
TC
(days)
2454964.71214±0.00155
(JD)
2454964.70994000±0.00186284
(BJD)
--- 2454964.713599±0.002454
(BJD)
2454964.712±0.00164
(BJD)
2454964.712±0.00164
(BJD)
2454964.712±0.00155
(BJD)
2454964.712±0.00155
(BJD)
2454964.712±0.00155
(BJD)
2454964.7143±0.0025
(BJD)
Print
Kepler Detection Products (4 File Types, 15 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_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 11413812 11413812 11413812 11413812 11413812 11413812 11413812
KOI Name K01885.01 K01885.01 K01885.01 K01885.01 K01885.01 K01885.01 K01885.01
Kepler Name Kepler-998 b Kepler-998 b Kepler-998 b Kepler-998 b Kepler-998 b Kepler-998 b Kepler-998 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 NOT DISPOSITIONED 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] 5.65378163±1.105e-05 5.65378163±1.105e-05 5.65377733±1.059e-05 5.65377733±1.059e-05 5.65377733±1.059e-05 5.653717±3.9e-05 5.653717±3.9e-05
Transit Epoch [BKJD] 131.71154±0.00164 131.71154±0.00164 131.71214±0.00155 131.71214±0.00155 131.71214±0.00155 131.7143±0.0025 131.7143±0.0025
Transit Epoch [BJD] 2454964.712±0.00164 2454964.712±0.00164 2454964.712±0.00155 2454964.712±0.00155 2454964.712±0.00155 2454964.7143±0.0025 2454964.7143±0.0025
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 kplr011413812-20160209194854_dvr.pdf kplr011413812-20160209194854_dvr.pdf kplr011413812-20141002224145_dvr.pdf kplr011413812-20130815195353_dvr.pdf kplr011413812-20121029204534_dvr.pdf --- ---
RA [decimal degrees] 296.75415 296.75415 296.75415 296.75415 296.75415 296.75415 296.75415
Dec [decimal degrees] 49.20874 49.20874 49.20874 49.20874 49.20874 49.20874 49.20874
Kepler-band [mag] 14.377 14.377 14.377 14.377 14.377 14.377 14.377
g'-band [mag] 14.844000000000001 14.844000000000001 14.844000000000001 14.844000000000001 14.844000000000001 14.844000000000001 14.844000000000001
r'-band [mag] 14.327 14.327 14.327 14.327 14.327 14.327 14.327
i'-band [mag] 14.176 14.176 14.176 14.176 14.176 14.176 14.176
z'-band [mag] 14.114 14.114 14.114 14.114 14.114 14.114 14.114
J-band [mag] 13.229000000000001 13.229000000000001 13.229000000000001 13.229000000000001 13.229000000000001 13.229000000000001 13.229000000000001
H-band [mag] 12.943000000000001 12.943000000000001 12.943000000000001 12.943000000000001 12.943000000000001 12.943000000000001 12.943000000000001
K-band [mag] 12.888 12.888 12.888 12.888 12.888 12.888 12.888
Disposition Score --- 1.0 --- --- --- --- ---
Comment --- NO_COMMENT --- --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
0.439 +0.451-0.247
0.3062 +0.1226-0.3062
0.3062 +0.1226-0.3062
0.3062 +0.1226-0.3062
0.83±0.4 0.83±0.64
Transit Duration [hrs] --- 1.9483±0.0489 1.9612±0.049 1.9612±0.049 1.9612±0.049 2.1148 2.1148
Transit Depth [ppm] --- 366.8±11.4 398.6±12 398.6±12 398.6±12 357 362
Planet-Star Radius Ratio ---
0.017893 +0.000205-0.00068
0.018451 +0.000425-0.000525
0.018451 +0.000425-0.000525
0.018451 +0.000425-0.000525
0.0195±0.0027 0.0195±0.0027
Fitted Stellar Density [g/cm**3] ---
5.00238 +2.17202-0.65837
5.80107 +1.49563-1.22307
5.80107 +1.49563-1.22307
5.80107 +1.49563-1.22307
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
1.82 +0.58-0.15
1.88 +0.78-0.16
1.88 +0.78-0.16
1.88 +0.78-0.16
1.97±0.93 1.92
Orbit Semi-Major Axis [au] --- .0626 .0626 .0626 .0626 .063 .062
Inclination [deg] --- 88.77 89.38 89.38 89.38 85.94 ---
Equilibrium Temperature [K] --- 1020 1020 1020 1020 1010 966
Insolation Flux [Earth flux] ---
256.14 +236.21-65.59
256.14 +309.42-66.61
256.14 +309.42-66.61
256.14 +309.42-66.61
--- ---
Planet-Star Distance over Star Radius --- 20.37±8.8 21.4±5.5 21.4±5.5 21.4±5.5 12.2±5.7 12.2±5.7
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 -0.0005 ---
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 -0.2177 ---
Limb Darkening Coeff. 2 --- 0.2889 0.29250000000000004 0.29250000000000004 0.29250000000000004 0.5527000000000001 ---
Limb Darkening Coeff. 1 --- 0.3511 0.34590000000000004 0.34590000000000004 0.34590000000000004 0.3773 ---
Maximum Single Event Statistic --- 4.954757 5.4605049999999995 --- --- --- ---
Maximum Multiple Event Statistic --- 32.973895999999996 35.574635 --- --- --- ---
Transit Signal-to-Noise --- 37.800000000000004 39.4 39.4 39.4 43.1 26.7
Number of Transits --- 234 234 --- --- --- ---
TCE Planet Number --- 1 1 1 1 --- ---
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.108 --- --- --- --- ---
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 --- kplr011413812-001-20160209194854_dvs.pdf kplr011413812-001-20141002224145_dvs.pdf kplr011413812-001-20130826182306_dvs.pdf kplr011413812-001-20121115231752_dvs.pdf --- ---
Stellar Effective Temperature [K] ---
5988 +161-179
5988 +152-180
5988 +152-180
5988.00 +152.00-180.00
5973.00±92.00 5738
Stellar Surface Gravity [log10(cm/s**2)] ---
4.507 +0.039-0.221
4.507 +0.038-0.298
4.507 +0.038-0.298
4.507 +0.038-0.298
4.520±0.300 4.52
Stellar Metallicity [dex] --- -0.12±0.3
-0.120 +0.220-0.300
-0.120 +0.220-0.300
-0.120 +0.220-0.300
--- ---
Stellar Radius [Solar radii] ---
0.934 +0.294-0.078
0.934 +0.386-0.08
0.934 +0.386-0.08
0.9340 +0.3860-0.0800
0.9300±0.4200 .9
Stellar Mass [Solar mass] --- 1.021±0.134
1.021 +0.138-0.128
1.021 +0.138-0.128
1.0210 +0.1380-0.1280
1.0290±0.0880 ---
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault KIC
FW Offset Significance [percent] --- 0.183 0.018000000000000002 0.0 0.0 --- ---
FW Source α(OOT) [hrs] --- 19.783624±0.0000094 19.7836248±0.0000094 19.7836314±0.0000086 19.783647000±0.000011000 --- ---
FW Source δ(OOT) [deg] --- 49.20882±0.000095 49.208814±0.000093 49.20866±0.000094 49.20880000±0.00012000 --- ---
FW Source Δα(OOT) [sec] --- 0.49±0.33 0.52±0.33 0.76±0.3 0.12800±0.03900 --- ---
FW Source Δδ(OOT) [arcsec] --- 0.29±0.34 0.27±0.34 -0.29±0.34 0.01500±0.02900 --- ---
FW Δα(OOT) [sec] --- -0.00014±0.00012 -0.00017±0.00013 -0.00027±0.00012 -5.1e-05±1.5e-05 --- ---
FW Δδ(OOT) [arcsec] --- -9e-05±0.00013 -0.0001±0.00013 0.00011±0.00013 -6e-06±1.1e-05 --- ---
PRF ΔαSQ(OOT) [arcsec] --- -0.13±0.21 -0.15±0.2 -0.18±0.13 -0.1900±0.1700 --- ---
PRF ΔδSQ(OOT) [arcsec] --- 0.16±0.19 0.13±0.18 0.12±0.16 0.1800±0.1400 --- ---
PRF ΔθSQ(OOT) [arcsec] --- 0.2±0.14 0.2±0.18 0.22±0.17 0.2600±0.1600 --- ---
PRF ΔαSQ(KIC) [arcsec] --- -0.08±0.21 -0.11±0.2 -0.13±0.13 -0.1500±0.1700 --- ---
PRF ΔδSQ(KIC) [arcsec] --- 0.16±0.19 0.13±0.18 0.12±0.15 0.1800±0.1500 --- ---
PRF ΔθSQ(KIC) [arcsec] --- 0.18±0.15 0.17±0.19 0.17±0.16 0.2400±0.1600 --- ---
Chi-Square --- --- --- --- --- 1.16 1.1400000000000001
Stellar Age [Gyr] --- --- --- --- --- 0.3±2.4 ---
Known Objects
1 Confirmed Planets
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
5 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
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