Kepler-488 Overview

Kepler-488 0.82 R⦿ 5883.00 K
Kepler-488 b
1.409 RJup
Architecture
Kepler-488
Kepler-488
Kepler-488 b
Discovery Data
Host Planet Method Year Reference Disposition
Kepler-488 Kepler-488 b Transit 2016 Morton et al. 2016 False Positive Planet
Kepler-488 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)
  • Confirmed planet signal refuted in ref. (Li & Shporer 2024)
RA
18h51m51.89s
Dec
+48d20m42.20s
Distance
1145.28+29.90-28.43
pc
Parallax
0.8444730±0.0220621 mas
Ecliptic Latitude
70.58671 deg
Ecliptic Longitude
296.6548 deg
Galactic Latitude
19.85198 deg
Galactic Longitude
77.97014 deg
Total Proper Motion
1.9982579±0.0424576 mas/yr
Proper Motion (RA)
1.5653900±0.0429248 mas/yr
Proper Motion (Dec)
1.2420100±0.0417048 mas/yr
Photometry
mV
14.868±0.103
mTESS
14.3168±0.0071
mJ
13.724±0.023
mH
13.403±0.026
mKs
13.412±0.044
mKep
14.804
mW1
13.320±0.024
mW2
13.327±0.026
mW3
12.876±0.429
mW4
9.596
mGaia
14.751500±0.000724
mB
15.809±0.042
mg
15.217
mi
14.627
mr
14.749
mz
14.589
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 ExoFOP-TESS TOI 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)
5983.0±122.0 6134±215
5813.000+243.500-110.201
5970.000+97.433-95.082
5883 5883 ---
6122 +165-201
5983±122
6122 +146-187
6122 +146-187
6122.00 +146.00-187.00
6115.00±90.00 5883
Metallicity
(dex)
--- --- ---
0.0300+0.1390-0.1720
[Fe/H]
--- -0.086 [Fe/H] ---
-0.1 +0.25-0.35
[Fe/H]
---
-0.100 +0.200-0.300
[Fe/H]
-0.100 +0.200-0.300
[Fe/H]
-0.100 +0.200-0.300
[Fe/H]
--- ---
R
(R⦿)
1.09921
1.059+0.086-0.078
1.1283016+0.0440279-0.0889023
1.090+0.266-0.104
0.96 0.820 ---
0.996 +0.312-0.104
1.09921002388
0.996 +0.373-0.09
0.996 +0.373-0.09
0.9960 +0.3730-0.0900
0.9800±0.4100 .96
log g
(log10(cm/s2))
4.3973 --- ---
4.390+0.072-0.171
4.50 4.63 ---
4.471 +0.052-0.208
4.3973
4.471 +0.045-0.271
4.471 +0.045-0.271
4.471 +0.045-0.271
4.490±0.300 4.5
L
(log10(L⦿))
0.1445328 ---
0.11714646+0.02893635-0.03100283
--- --- --- --- --- --- --- --- --- --- ---
Age
(Gyr)
--- --- ---
3.47+2.02-1.77
--- --- --- --- --- --- --- --- 0.3±1.8 ---
M
(M⦿)
1.1 --- ---
1.070+0.073-0.065
--- --- --- 1.07±0.137 ---
1.07 +0.177-0.13
1.07 +0.177-0.13
1.0700 +0.1770-0.1300
1.0750±0.0960 ---
ρ
(g/cm3)
1.1676576 --- --- --- --- --- ---
1.37644 +0.39705-0.24839
---
1.44320 +0.05919-0.03807
1.44320 +0.05919-0.03807
1.44320 +0.05919-0.03807
--- ---
Status
False Positive Planet
Detected By
Transit
Source Morton et al. 2016 GajdoĊĦ et al. 2019 Berger et al. 2018 Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table ExoFOP-TESS TOI 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
--- --- --- --- 8.92±2.6 --- 9.057±0.371 9.057±0.371 9.057±0.371 9±0.11
Teq
(K)
--- --- --- --- 1303 1332.21081852325 1303 1303 1303 1287
b
--- --- --- ---
0.784 +0.029-0.054
---
0.7783 +0.0032-0.0093
0.7783 +0.0032-0.0093
0.7783 +0.0032-0.0093
0.78±0.1
e
--- --- --- --- 0 --- 0 0 0 0
i
(deg)
--- --- --- --- 84.95 --- 84.8 84.8 84.8 84.8
P
(days)
3.120829229±3.76e-07 3.1208291786±0.0000001299 --- 3.120828136±1.986e-06 3.120828136±1.986e-06 3.12083962396792±0.00001594364000 3.120829229±3.76e-07 3.120829229±3.76e-07 3.120829229±3.76e-07 3.12082903±4.6e-07
Rp
(R)
15.79+3.85-1.51
---
15.054+1.222-1.239
---
14.16 +4.43-1.48
16.2108254295111±0.5737162000000
14.51 +5.44-1.31
14.51 +5.44-1.31
14.51 +5.44-1.31
14.5±6.1
Rp/R
0.13342 +0.00029-0.000687
--- --- ---
0.130153 +0.001033-0.004862
---
0.13342 +0.00029-0.000687
0.13342 +0.00029-0.000687
0.13342 +0.00029-0.000687
0.13587±0.00061
a
(au)
--- --- --- --- .0428 --- .0428 .0428 .0428 .043
δ
(%)
--- --- --- ---
1.64560+0.02130-0.02130
1.70274064902025±0.08170337500000 1.73789±0.00442 1.73789±0.00442 1.73789±0.00442 1.72540
T14
(hours)
2.1799±0.0112 --- --- --- 2.1878±0.0645 2.40527802281124±0.10575633000000 2.1799±0.0112 2.1799±0.0112 2.1799±0.0112 2.0209
TC
(days)
2454972.466272±0.000100 2454972.46628000±0.00003411 --- 2454972.467±0.000513 2454972.467±0.000513 2459422.767820±0.002958 2454972.466±0.0001 2454972.466±0.0001 2454972.466±0.0001 2454972.46556±0.0001
S
(S)
--- ---
778.510+52.212-48.578
---
680.79 +625.11-203.01
744.411075837015
680.79 +732.54-183.21
680.79 +732.54-183.21
680.79 +732.54-183.21
---
Rp
(RJup)
1.409+0.343-0.135
---
1.3430+0.1090-0.1105
--- --- 1.44623546630882±0.05118361922061 --- --- --- ---
Kepler Detection Products (4 File Types, 19 Files)
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 10904857 10904857 10904857 10904857 10904857 10904857 10904857
KOI Name K00194.01 K00194.01 K00194.01 K00194.01 K00194.01 K00194.01 K00194.01
Kepler Name Kepler-488 b Kepler-488 b Kepler-488 b Kepler-488 b Kepler-488 b Kepler-488 b Kepler-488 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 FALSE POSITIVE CANDIDATE
Not Transit-Like False Positive Flag 0 0 0 0 0 --- ---
Stellar Eclipse False Positive Flag 0 1 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] 3.120828136±1.986e-06 3.120828136±1.986e-06 3.120829229±3.76e-07 3.120829229±3.76e-07 3.120829229±3.76e-07 3.12082903±4.6e-07 3.12083±1.1e-06
Transit Epoch [BKJD] 139.466594±0.000513 139.466594±0.000513 139.466272±0.0001 139.466272±0.0001 139.466272±0.0001 139.46556±0.0001 139.46539±0.00013
Transit Epoch [BJD] 2454972.467±0.000513 2454972.467±0.000513 2454972.466±0.0001 2454972.466±0.0001 2454972.466±0.0001 2454972.46556±0.0001 2454972.46539±0.00013
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 kplr010904857-20160209194854_dvr.pdf kplr010904857-20160209194854_dvr.pdf kplr010904857-20141002224145_dvr.pdf kplr010904857-20130815195353_dvr.pdf kplr010904857-20121029204534_dvr.pdf --- ---
RA [decimal degrees] 282.96616 282.96616 282.96616 282.96616 282.96616 282.96616 282.96616
Dec [decimal degrees] 48.34507 48.34507 48.34507 48.34507 48.34507 48.34507 48.34507
Kepler-band [mag] 14.804 14.804 14.804 14.804 14.804 14.804 14.804
g'-band [mag] 15.217 15.217 15.217 15.217 15.217 15.217 15.217
r'-band [mag] 14.749 14.749 14.749 14.749 14.749 14.749 14.749
i'-band [mag] 14.627 14.627 14.627 14.627 14.627 14.627 14.627
z'-band [mag] 14.589 14.589 14.589 14.589 14.589 14.589 14.589
J-band [mag] 13.724 13.724 13.724 13.724 13.724 13.724 13.724
H-band [mag] 13.403 13.403 13.403 13.403 13.403 13.403 13.403
K-band [mag] 13.412 13.412 13.412 13.412 13.412 13.412 13.412
Disposition Score --- 0.802 --- --- --- --- ---
Comment --- MOD_SEC_DV---MOD_SEC_ALT---PLANET_OCCULT_ALT---HAS_SEC_TCE SIG_SEC_IN_DV_MODEL_SHIFT---SIG_SEC_IN_ALT_MODEL_SHIFT---ALT_SEC_COULD_BE_DUE_TO_PLANET---OTHER_TCE_AT_SAME_PERIOD_DIFF_EPOCH --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
0.784 +0.029-0.054
0.7783 +0.0032-0.0093
0.7783 +0.0032-0.0093
0.7783 +0.0032-0.0093
0.78±0.1 0.8±0.11
Transit Duration [hrs] --- 2.1878±0.0645 2.1799±0.0112 2.1799±0.0112 2.1799±0.0112 2.0209 2.0122
Transit Depth [ppm] --- 16456±213 17378.9±44.2 17378.9±44.2 17378.9±44.2 17254 16411
Planet-Star Radius Ratio ---
0.130153 +0.001033-0.004862
0.13342 +0.00029-0.000687
0.13342 +0.00029-0.000687
0.13342 +0.00029-0.000687
0.13587±0.00061 0.13377±0.00077
Fitted Stellar Density [g/cm**3] ---
1.37644 +0.39705-0.24839
1.44320 +0.05919-0.03807
1.44320 +0.05919-0.03807
1.44320 +0.05919-0.03807
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
14.16 +4.43-1.48
14.51 +5.44-1.31
14.51 +5.44-1.31
14.51 +5.44-1.31
14.5±6.1 13.96
Orbit Semi-Major Axis [au] --- .0428 .0428 .0428 .0428 .043 .043
Inclination [deg] --- 84.95 84.8 84.8 84.8 84.8 ---
Equilibrium Temperature [K] --- 1303 1303 1303 1303 1287 1224
Insolation Flux [Earth flux] ---
680.79 +625.11-203.01
680.79 +732.54-183.21
680.79 +732.54-183.21
680.79 +732.54-183.21
--- ---
Planet-Star Distance over Star Radius --- 8.92±2.6 9.057±0.371 9.057±0.371 9.057±0.371 9±0.11 8.76±0.13
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 0.2975 0.2975 0.2975 0.5527000000000001 ---
Limb Darkening Coeff. 1 --- 0.3511 0.33690000000000003 0.33690000000000003 0.33690000000000003 0.3773 ---
Maximum Single Event Statistic --- 95.42833999999999 110.4316 --- --- --- ---
Maximum Multiple Event Statistic --- 1089.1381000000001 1149.038 --- --- --- ---
Transit Signal-to-Noise --- 113.5 642.6 642.6 642.6 752.6 566.6
Number of Transits --- 435 436 --- --- --- ---
TCE Planet Number --- 1 1 1 1 --- ---
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.0013000000000000002 --- --- --- --- ---
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 --- kplr010904857-001-20160209194854_dvs.pdf kplr010904857-001-20141002224145_dvs.pdf kplr010904857-001-20130826182306_dvs.pdf kplr010904857-001-20121115231752_dvs.pdf --- ---
Stellar Effective Temperature [K] ---
6122 +165-201
6122 +146-187
6122 +146-187
6122.00 +146.00-187.00
6115.00±90.00 5883
Stellar Surface Gravity [log10(cm/s**2)] ---
4.471 +0.052-0.208
4.471 +0.045-0.271
4.471 +0.045-0.271
4.471 +0.045-0.271
4.490±0.300 4.5
Stellar Metallicity [dex] ---
-0.1 +0.25-0.35
-0.100 +0.200-0.300
-0.100 +0.200-0.300
-0.100 +0.200-0.300
--- ---
Stellar Radius [Solar radii] ---
0.996 +0.312-0.104
0.996 +0.373-0.09
0.996 +0.373-0.09
0.9960 +0.3730-0.0900
0.9800±0.4100 .96
Stellar Mass [Solar mass] --- 1.07±0.137
1.07 +0.177-0.13
1.07 +0.177-0.13
1.0700 +0.1770-0.1300
1.0750±0.0960 ---
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 0.0 0.0 0.0 ---
FW Source α(OOT) [hrs] --- 18.86440956±0.00000031 18.86441025±0.00000031 18.86440946±0.00000028 18.864409170±0.000000430 18.864409400±0.000000370 ---
FW Source δ(OOT) [deg] --- 48.3451182±0.0000028 48.3451131±0.0000029 48.3451193±0.0000027 48.34511910±0.00000420 48.34512260±0.00000350 ---
FW Source Δα(OOT) [sec] --- -0.041±0.011 -0.016±0.011 -0.045±0.01 -0.00250±0.00150 -0.00120±0.00130 ---
FW Source Δδ(OOT) [arcsec] --- 0.173±0.01 0.155±0.011 0.1773±0.0097 -0.00350±0.00100 -0.00277±0.00085 ---
FW Δα(OOT) [sec] --- 9e-05±0.0009 -8e-05±0.00092 0.00042±0.00098 4e-05±0.00014 2.2e-05±1.2e-05 ---
FW Δδ(OOT) [arcsec] --- 0.0009±0.0013 0.001±0.0014 0.0008±0.0015 6e-05±0.00014 4.84e-05±7.4e-06 ---
PRF ΔαSQ(OOT) [arcsec] --- -0.015±0.067 -0.014±0.067 -0.016±0.067 --- -0.0160±0.0054 ---
PRF ΔδSQ(OOT) [arcsec] --- -0.008±0.067 -0.008±0.067 -0.006±0.067 --- -0.0097±0.0053 ---
PRF ΔθSQ(OOT) [arcsec] --- 0.017±0.067 0.016±0.067 0.017±0.067 --- 0.0187±0.0054 ---
PRF ΔαSQ(KIC) [arcsec] --- 0.119±0.068 0.123±0.068 0.121±0.067 --- 0.1180±0.0120 ---
PRF ΔδSQ(KIC) [arcsec] --- 0.005±0.068 0.005±0.068 0.013±0.068 --- 0.0190±0.0110 ---
PRF ΔθSQ(KIC) [arcsec] --- 0.119±0.068 0.123±0.068 0.122±0.067 --- 0.1190±0.0120 ---
Chi-Square --- --- --- --- --- 2.67 1.85
Stellar Age [Gyr] --- --- --- --- --- 0.3±1.8 ---
Known Objects
1 Kepler Objects of Interest (KOIs)
2 Threshold Crossing Events (TCEs)
2 2MASS Point Source Catalog
Data Files
2 Kepler Time Series
2 SuperWASP Time Series
1 TrES Time Series
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
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Time Series
Kepler | K2
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