Kepler-1998 Overview

Kepler-1998 0.95 R⦿ 5525.00 K
Kepler-1998 b
0.054 RJup
KOI-2583.02
Architecture
Kepler-1998
Kepler-1998
Kepler-1998 b
KOI-2583.02
Other Data
Bibliography 13
Nearby Data 8
Discovery Data
Host Planet Method Year Reference Disposition
Kepler-1998 Kepler-1998 b Transit 2023 Valizadegan et al. 2023 Confirmed Planet
Kepler-1998 KOI-2583.02 Transit 2017 Q1-Q17 DR25 KOI Table False Positive Candidate
RA
18h53m43.00s
Dec
+47d35m32.63s
Distance
340.965+2.539-2.502
pc
Parallax
2.9041000±0.0215137 mas
Ecliptic Latitude
69.77853 deg
Ecliptic Longitude
296.9409 deg
Galactic Latitude
19.3122 deg
Galactic Longitude
77.32348 deg
Total Proper Motion
18.6631044±0.0377553 mas/yr
Proper Motion (RA)
-0.5731990±0.0387193 mas/yr
Proper Motion (Dec)
-18.6543000±0.0377544 mas/yr
Photometry
mV
12.74±0.08
mTESS
12.1297±0.0060
mJ
11.462±0.020
mH
11.142±0.018
mKs
11.076±0.016
mKep
12.623
mW1
11.041±0.023
mW2
11.091±0.021
mW3
10.958±0.079
mW4
9.385
mGaia
12.60240±0.00017
mB
14.226±0.066
mg
---
mi
---
mr
---
mz
---
Abundances
(Hypatia Catalog)
[Fe/H] 0.03±0.04 dex
[C/H] -0.04±0.09 dex
[O/H] -0.13±0.09 dex
[Na/H] -0.12±0.04 dex
[Mg/H] 0.00±0.07 dex
[Al/H] -0.06±0.06 dex
[Si/H] 0.02±0.05 dex
[Ca/H] 0.04±0.06 dex
[Y/H] 0.05±0.08 dex
Source TICv8 Batalha et al. 2013 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-Q16 KOI Table Q1-Q12 KOI Table Q1-Q8 KOI Table Q1-Q6 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5581.440+108.637-183.783
5525 5525 --- ---
5640 +101-113
5640 +101-113
5725 +153-135
5725 +153-135
5725.00 +153.00-135.00
5740.00±64.00 5525
Metallicity
(dex)
0.0960±0.0230 [M/H] --- -0.259 [Fe/H] --- --- 0.06±0.15 [Fe/H] 0.06±0.15 [Fe/H]
-0.260 +0.300-0.260
[Fe/H]
-0.260 +0.300-0.260
[Fe/H]
-0.260 +0.300-0.260
[Fe/H]
--- ---
R
(R⦿)
0.99142500+0.07043620-0.04994570
0.87 0.954 --- ---
0.921 +0.131-0.061
0.921 +0.131-0.061
0.881 +0.368-0.088
0.881 +0.368-0.088
0.8810 +0.3680-0.0880
0.9100±0.4400 .87
log g
(log10(cm/s2))
4.4389800+0.0914863-0.0829342
4.49 4.49 --- ---
4.492 +0.045-0.113
4.492 +0.045-0.113
4.489 +0.061-0.276
4.489 +0.061-0.276
4.489 +0.061-0.276
4.490±0.300 4.49
M
(M⦿)
0.9850000+0.1485320-0.1043940
0.85 --- --- ---
0.962 +0.054-0.068
0.962 +0.054-0.068
0.874 +0.117-0.072
0.874 +0.117-0.072
0.8740 +0.1170-0.0720
0.9330±0.0900 ---
L
(log10(L⦿))
-0.06580061+0.01588858-0.01455327
--- --- --- --- --- --- --- --- --- --- ---
ρ
(g/cm3)
1.4250242+0.3656455-0.3413697
--- --- --- ---
4.29145 +0.82743-2.08919
1.33370 +115.68237-0.39469
2.66459 +2.48908-2.53016
2.66459 +2.48908-2.53016
2.66459 +2.48908-2.53016
--- ---
Age
(Gyr)
--- --- --- --- --- --- --- --- --- --- 4.7±3.1 ---
Status
Confirmed Planet
Detected By
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 Q1-Q12 KOI Table Q1-Q8 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
a/R
12.78±2.5 --- --- 10.9±5.1 10.9±5.1 10.9±5.1 3±1.2
Teq
(K)
1187 --- --- 1197 1197 1197 1209
b
0.238 +0.232-0.238
--- ---
0.5731 +0.3729-0.3546
0.5731 +0.3729-0.3546
0.5731 +0.3729-0.3546
0.957±0.1
S
(S)
468.31 +187.65-91.73
--- ---
485.61 +599.01-127.98
485.61 +599.01-127.98
485.61 +599.01-127.98
---
e
0 --- --- 0 0 0 0
i
(deg)
88.93 --- --- 87.09 87.09 87.09 71.62
P
(days)
3.03267135±1.374e-05 3.03263998 3.03267135±1.374e-05 3.03266154±1.318e-05 3.03266154±1.318e-05 3.03266154±1.318e-05 3.032802±5.3e-05
Rp
(R)
0.6 +0.08-0.04
0.694199979 ---
0.61 +0.25-0.06
0.61 +0.25-0.06
0.61 +0.25-0.06
0.75±0.37
Rp
(RJup)
0.054+0.007-0.004
0.0619324805 ---
0.054+0.022-0.005
0.054+0.022-0.005
0.054+0.022-0.005
0.067+0.033-0.033
Rp/R
0.005931 +0.000327-0.00028
--- ---
0.006299 +0.000135-0.000458
0.006299 +0.000135-0.000458
0.006299 +0.000135-0.000458
0.00757±0.00041
a
(au)
.0405 --- --- .0392 .0392 .0392 .04
δ
(%)
0.00424±0.00032 --- --- 0.00440±0.00035 0.00440±0.00035 0.00440±0.00035 0.00410
T14
(hours)
1.774±0.122 --- --- 1.762±0.111 1.762±0.111 1.762±0.111 2.5603
TC
(days)
2454967.067±0.00381 --- 2454967.067±0.00381 2454967.07±0.0036 2454967.07±0.0036 2454967.07±0.0036 2454967.0497±0.0055
Status
False Positive Candidate
Detected By
Transit
Source Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table
a/R
--- 164.7±82.1
Teq
(K)
--- 272
b
---
0.943 +0.032-0.671
S
(S)
---
1.29 +0.52-0.25
e
--- 0
i
(deg)
--- 89.67
P
(days)
251.7512±0.002883 251.7512±0.002883
Rp
(R)
---
1.25 +0.18-0.08
Rp
(RJup)
---
0.112+0.016-0.007
Rp/R
---
0.01244 +0.002675-0.001671
a
(au)
--- .7703
δ
(%)
--- 0.01143±0.00186
T14
(hours)
--- 4.314±0.436
TC
(days)
2455104.069±0.00693 2455104.069±0.00693
Kepler Detection Products (4 File Types, 16 Files)
Kepler Detection Products
Kepler Pipeline Data Validation Summaries q1_q12_tce q1_q16_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Detection Products
Kepler Pipeline Data Validation Summaries q1_q17_dr25_tce
Kepler Object of Interest
KepID 10387742 10387742 10387742 10387742 10387742 10387742 10387742
KOI Name K02583.01 K02583.01 K02583.01 K02583.01 K02583.01 K02583.01 K02583.01
Kepler Name Kepler-1998 b Kepler-1998 b Kepler-1998 b Kepler-1998 b Kepler-1998 b Kepler-1998 b Kepler-1998 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] 3.03267135±1.374e-05 3.03267135±1.374e-05 3.03266154±1.318e-05 3.03266154±1.318e-05 3.03266154±1.318e-05 3.032802±5.3e-05 3.032802±5.3e-05
Transit Epoch [BKJD] 134.0668±0.00381 134.0668±0.00381 134.07031±0.0036 134.07031±0.0036 134.07031±0.0036 134.0497±0.0055 134.0497±0.0055
Transit Epoch [BJD] 2454967.067±0.00381 2454967.067±0.00381 2454967.07±0.0036 2454967.07±0.0036 2454967.07±0.0036 2454967.0497±0.0055 2454967.0497±0.0055
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 2 2 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 kplr010387742-20160209194854_dvr.pdf kplr010387742-20160209194854_dvr.pdf kplr010387742-20141002224145_dvr.pdf kplr010387742-20130815195353_dvr.pdf kplr010387742-20121029204534_dvr.pdf --- ---
RA [decimal degrees] 283.42911 283.42911 283.42911 283.42911 283.42911 283.42911 283.42911
Dec [decimal degrees] 47.59251 47.59251 47.59251 47.59251 47.59251 47.59251 47.59251
Kepler-band [mag] 12.623000000000001 12.623000000000001 12.623000000000001 12.623000000000001 12.623000000000001 12.623000000000001 12.623000000000001
g'-band [mag] 13.089 13.089 13.089 13.089 13.089 13.089 13.089
r'-band [mag] 12.572000000000001 12.572000000000001 12.572000000000001 12.572000000000001 12.572000000000001 12.572000000000001 12.572000000000001
i'-band [mag] 12.423 12.423 12.423 12.423 12.423 12.423 12.423
z'-band [mag] 12.381 12.381 12.381 12.381 12.381 12.381 12.381
J-band [mag] 11.462 11.462 11.462 11.462 11.462 11.462 11.462
H-band [mag] 11.142000000000001 11.142000000000001 11.142000000000001 11.142000000000001 11.142000000000001 11.142000000000001 11.142000000000001
K-band [mag] 11.076 11.076 11.076 11.076 11.076 11.076 11.076
Disposition Score --- 0.998 --- --- --- --- ---
Comment --- NO_COMMENT --- --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
0.238 +0.232-0.238
0.5731 +0.3729-0.3546
0.5731 +0.3729-0.3546
0.5731 +0.3729-0.3546
0.957±0.1 0.96±0.18
Transit Duration [hrs] --- 1.774±0.122 1.762±0.111 1.762±0.111 1.762±0.111 2.5603 2.5603
Transit Depth [ppm] --- 42.4±3.2 44±3.5 44±3.5 44±3.5 41 46
Planet-Star Radius Ratio ---
0.005931 +0.000327-0.00028
0.006299 +0.000135-0.000458
0.006299 +0.000135-0.000458
0.006299 +0.000135-0.000458
0.00757±0.00041 0.00757±0.00041
Fitted Stellar Density [g/cm**3] ---
4.29145 +0.82743-2.08919
2.66459 +2.48908-2.53016
2.66459 +2.48908-2.53016
2.66459 +2.48908-2.53016
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
0.6 +0.08-0.04
0.61 +0.25-0.06
0.61 +0.25-0.06
0.61 +0.25-0.06
0.75±0.37 .72
Orbit Semi-Major Axis [au] --- .0405 .0392 .0392 .0392 .04 .039
Inclination [deg] --- 88.93 87.09 87.09 87.09 71.62 ---
Equilibrium Temperature [K] --- 1187 1197 1197 1197 1209 1150
Insolation Flux [Earth flux] ---
468.31 +187.65-91.73
485.61 +599.01-127.98
485.61 +599.01-127.98
485.61 +599.01-127.98
--- ---
Planet-Star Distance over Star Radius --- 12.78±2.5 10.9±5.1 10.9±5.1 10.9±5.1 3±1.2 3±1.2
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 -0.1673 ---
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 0.1796 ---
Limb Darkening Coeff. 2 --- 0.2602 0.27 0.27 0.27 0.2876 ---
Limb Darkening Coeff. 1 --- 0.4096 0.388 0.388 0.388 0.434 ---
Maximum Single Event Statistic --- 3.291521 8.498103 --- --- --- ---
Maximum Multiple Event Statistic --- 12.880581999999999 14.129681999999999 --- --- --- ---
Transit Signal-to-Noise --- 15.6 15.4 15.4 15.4 17.3 12.8
Number of Transits --- 447 444 --- --- --- ---
TCE Planet Number --- 1 1 1 1 --- ---
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.9702000000000001 --- --- --- --- ---
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 --- kplr010387742-001-20160209194854_dvs.pdf kplr010387742-001-20141002224145_dvs.pdf kplr010387742-001-20130826182306_dvs.pdf kplr010387742-001-20121115231752_dvs.pdf --- ---
Stellar Effective Temperature [K] ---
5640 +101-113
5725 +153-135
5725 +153-135
5725.00 +153.00-135.00
5740.00±64.00 5525
Stellar Surface Gravity [log10(cm/s**2)] ---
4.492 +0.045-0.113
4.489 +0.061-0.276
4.489 +0.061-0.276
4.489 +0.061-0.276
4.490±0.300 4.49
Stellar Metallicity [dex] --- 0.06±0.15
-0.260 +0.300-0.260
-0.260 +0.300-0.260
-0.260 +0.300-0.260
--- ---
Stellar Radius [Solar radii] ---
0.921 +0.131-0.061
0.881 +0.368-0.088
0.881 +0.368-0.088
0.8810 +0.3680-0.0880
0.9100±0.4400 .87
Stellar Mass [Solar mass] ---
0.962 +0.054-0.068
0.874 +0.117-0.072
0.874 +0.117-0.072
0.8740 +0.1170-0.0720
0.9330±0.0900 ---
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault KIC
FW Offset Significance [percent] --- 0.0 0.0 0.24200000000000002 0.001 --- ---
FW Source α(OOT) [hrs] --- 18.895255±0.000025 18.895268±0.000025 18.895299±0.000023 18.895250000±0.000032000 --- ---
FW Source δ(OOT) [deg] --- 47.59313±0.00024 47.59296±0.00022 47.59239±0.0002 47.59293000±0.00026000 --- ---
FW Source Δα(OOT) [sec] --- -0.71±0.9 -0.24±0.91 0.89±0.85 -0.10000±0.12000 --- ---
FW Source Δδ(OOT) [arcsec] --- 2.22±0.86 1.64±0.78 -0.42±0.73 0.12400±0.06300 --- ---
FW Δα(OOT) [sec] --- 3.3e-05±3.6e-05 1.5e-05±3.8e-05 -3.5e-05±3.9e-05 4.3e-06±5e-06 --- ---
FW Δδ(OOT) [arcsec] --- -0.000104±3.5e-05 -8.4e-05±3.3e-05 3e-06±3.3e-05 -5.3e-06±2.7e-06 --- ---
PRF ΔαSQ(OOT) [arcsec] --- 0.2±1.2 0.42±0.32 0.12±0.68 0.1700±0.5100 --- ---
PRF ΔδSQ(OOT) [arcsec] --- 0.7±1.3 0.76±0.49 0.91±0.54 1.0900±0.7700 --- ---
PRF ΔθSQ(OOT) [arcsec] --- 0.8±1.3 0.87±0.45 0.92±0.74 1.1000±0.7600 --- ---
PRF ΔαSQ(KIC) [arcsec] --- 0.3±1.2 0.48±0.32 0.18±0.66 0.2300±0.5100 --- ---
PRF ΔδSQ(KIC) [arcsec] --- 0.4±1.3 0.47±0.48 0.62±0.54 0.8000±0.7700 --- ---
PRF ΔθSQ(KIC) [arcsec] --- 0.5±1.3 0.67±0.41 0.65±0.77 0.8300±0.7500 --- ---
Chi-Square --- --- --- --- --- 1.28 1.26
Stellar Age [Gyr] --- --- --- --- --- 4.7±3.1 ---
KepID 10387742 10387742
KOI Name K02583.02 K02583.02
Exoplanet Archive Disposition FALSE POSITIVE FALSE POSITIVE
Vetting Status Done Done
Date of Last Parameter Update 2018-08-16 2017-08-31
Disposition Using Kepler Data FALSE POSITIVE FALSE POSITIVE
Not Transit-Like False Positive Flag 1 1
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] 251.7512±0.002883 251.7512±0.002883
Transit Epoch [BKJD] 271.06864±0.00693 271.06864±0.00693
Transit Epoch [BJD] 2455104.069±0.00693 2455104.069±0.00693
Parameters Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi
Number of Planets 2 2
TCE Delivery q1_q17_dr25_tce q1_q17_dr25_tce
Link to DV Report kplr010387742-20160209194854_dvr.pdf kplr010387742-20160209194854_dvr.pdf
RA [decimal degrees] 283.42911 283.42911
Dec [decimal degrees] 47.59251 47.59251
Kepler-band [mag] 12.623000000000001 12.623000000000001
g'-band [mag] 13.089 13.089
r'-band [mag] 12.572000000000001 12.572000000000001
i'-band [mag] 12.423 12.423
z'-band [mag] 12.381 12.381
J-band [mag] 11.462 11.462
H-band [mag] 11.142000000000001 11.142000000000001
K-band [mag] 11.076 11.076
Disposition Score --- 0.217
Comment --- MOD_NONUNIQ_ALT
Eccentricity --- 0
Impact Parameter ---
0.943 +0.032-0.671
Transit Duration [hrs] --- 4.314±0.436
Transit Depth [ppm] --- 114.3±18.6
Planet-Star Radius Ratio ---
0.01244 +0.002675-0.001671
Fitted Stellar Density [g/cm**3] ---
1.33370 +115.68237-0.39469
Planetary Fit Type --- LS+MCMC
Planetary Radius [Earth radii] ---
1.25 +0.18-0.08
Orbit Semi-Major Axis [au] --- .7703
Inclination [deg] --- 89.67
Equilibrium Temperature [K] --- 272
Insolation Flux [Earth flux] ---
1.29 +0.52-0.25
Planet-Star Distance over Star Radius --- 164.7±82.1
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 --- 0.2602
Limb Darkening Coeff. 1 --- 0.4096
Maximum Single Event Statistic --- 4.265401
Maximum Multiple Event Statistic --- 7.3551683
Transit Signal-to-Noise --- 7.5
Number of Transits --- 6
TCE Planet Number --- 2
Quarters --- 11111111111111111000000000000000
Odd-Even Depth Comparision Statistic --- 0.6890000000000001
Transit Model --- Mandel and Agol (2002 ApJ 580 171)
Link to DV Summary --- kplr010387742-002-20160209194854_dvs.pdf
Stellar Effective Temperature [K] ---
5640 +101-113
Stellar Surface Gravity [log10(cm/s**2)] ---
4.492 +0.045-0.113
Stellar Metallicity [dex] --- 0.06±0.15
Stellar Radius [Solar radii] ---
0.921 +0.131-0.061
Stellar Mass [Solar mass] ---
0.962 +0.054-0.068
Stellar Parameter Provenance --- q1_q17_dr25_stellar
FW Offset Significance [percent] --- 0.665
FW Source α(OOT) [hrs] --- 18.895242±0.00005
FW Source δ(OOT) [deg] --- 47.59232±0.00049
FW Source Δα(OOT) [sec] --- -1.2±1.8
FW Source Δδ(OOT) [arcsec] --- -0.7±1.8
FW Δα(OOT) [sec] --- 0.0002±0.00028
FW Δδ(OOT) [arcsec] --- 5e-05±0.00027
PRF ΔαSQ(OOT) [arcsec] --- -1.89±0.59
PRF ΔδSQ(OOT) [arcsec] --- 0.82±0.13
PRF ΔθSQ(OOT) [arcsec] --- 2.06±0.58
PRF ΔαSQ(KIC) [arcsec] --- -1.91±0.61
PRF ΔδSQ(KIC) [arcsec] --- 0.6±0.14
PRF ΔθSQ(KIC) [arcsec] --- 2±0.61
Known Objects
1 Confirmed Planets
2 Kepler Objects of Interest (KOIs)
3 Threshold Crossing Events (TCEs)
4 2MASS Point Source Catalog
Data Files
3 Kepler Time Series
2 SuperWASP Time Series
3 TrES 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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