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K2-187 Overview

K2-187 0.92 R⦿ 5337.00 K
K2-187 b
0.107 RJup
K2-187 c
0.125 RJup
K2-187 d
0.214 RJup
K2-187 e
0.170 RJup
Architecture
K2-187
K2-187
K2-187 b
K2-187 c
K2-187 d
K2-187 e
Other Data
Bibliography 12
Exoplanet Archive Notes 3
Nearby Data 7
Discovery Data
Host Planet Method Year Reference Disposition
K2-187 K2-187 b Transit 2018 Mayo et al. 2018 Confirmed Planet
K2-187 K2-187 c Transit 2018 Mayo et al. 2018 Confirmed Planet
K2-187 K2-187 d Transit 2018 Mayo et al. 2018 Confirmed Planet
K2-187 K2-187 e Transit 2018 Mayo et al. 2018 Confirmed Planet
K2-187 K2-187 b K2-187 c
RA
08h50m05.65s
Dec
+23d11m32.90s
Distance
330.916+5.727-5.539
pc
Parallax
2.993900±0.051039 mas
Ecliptic Latitude
5.27026 deg
Ecliptic Longitude
128.60223 deg
Galactic Latitude
35.76402 deg
Galactic Longitude
202.77723 deg
Total Proper Motion
32.9140281±0.0514144 mas/yr
Proper Motion (RA)
-11.8636000±0.0747951 mas/yr
Proper Motion (Dec)
-30.7016000±0.0469343 mas/yr
Photometry
mV
13.102±0.069
mTESS
12.3562±0.0069
mJ
11.687±0.022
mH
11.289±0.028
mKs
11.196±0.021
mKep
12.864
mW1
11.169±0.022
mW2
11.235±0.021
mW3
11.069±0.186
mW4
8.362001
mGaia
12.867300±0.000247
mB
13.986±0.290
mg
13.5671000±0.0015621
mi
12.7502000±0.0014716
mr
12.9476000±0.0012166
mu
15.6548000±0.0070151
mz
13.3229000±0.0078603
Mission
K2 : Observed in Campaigns 5, 18
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
K2 Names
K2 Planets and Candidates
K2 Targets
Stellar Hosts
K2 Time Series
Source Adams et al. 2021 TICv8 Livingston et al. 2018 Gaia DR2 Mayo et al. 2018 Kruse et al. 2019 Kruse et al. 2019 Kruse et al. 2019 Petigura et al. 2018 Petigura et al. 2018 Pope et al. 2016 Barros et al. 2016 Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5438±63
5374.670+138.451-110.647
 5484±81
5337.000+105.967-203.133
 5477.0±50.0 --- --- --- --- --- --- ---
L✶
(log10(L⦿))
---
-0.1960678+0.0204804-0.0185014
 ---
-0.2096031+0.0104329-0.0106897
 --- --- --- --- --- --- --- ---
R✶
(R⦿)
0.83±0.11
0.9202700+0.0525452-0.0542638
 0.92±0.02
0.9188755+0.0741534-0.0354301
0.894913 +0.041087-0.025505
0.919 +0.035-0.074
0.919 +0.035-0.074
0.919 +0.035-0.074
0.96 0.96 --- ---
Metallicity
(dex)
0.0±0.1 [Fe/H] 0.266±0.070 [M/H] 0.23±0.06 [Fe/H] --- 0.26±0.08 [Fe/H] --- --- --- --- --- --- ---
M✶
(M⦿)
---
0.93000000+0.14335900-0.08878640
 0.980±0.040 ---
0.966999 +0.025227-0.024169
--- --- --- --- --- --- ---
log g
(log10(cm/s2))
4.60±0.08
4.4787200+0.0843214-0.0843234
 4.50±0.03 --- 4.62±0.1 --- --- --- --- --- --- ---
ρ✶
(g/cm3)
---
1.6823034+0.4874545-0.3030182
 --- --- --- --- --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Transit Prediction Service
K2 Names
K2 Planets and Candidates
Transit
Source Adams et al. 2021 Livingston et al. 2018 Mayo et al. 2018 Kruse et al. 2019 Show Candidate Solutions >> << Hide Candidate Solutions
a/R✶
3.9+0.4-0.8
4.13+0.97-1.05
3.377096 +0.483481-0.981878
3.38 +1.06-0.49
Teq
(K)
--- 1815±35 --- ---
b
---
0.41+0.34-0.28
 --- ---
P
(days)
0.774010±0.000083
0.773920+0.000095-0.000092
0.773981 +0.000052-0.000050
0.773987±0.000035
Rp
(R⨁)
1.2±0.2 1.30±0.13
1.38335970421 +0.160668169685-0.0890792663392
1.50 +0.10-0.21
Rp
(RJup)
0.11±0.02 0.116±0.012
0.1234150865 +0.0143338540-0.0079471198
0.13 +0.009-0.019
Rp/R✶
0.01320+0.00110-0.00053
0.0129+0.0014-0.0012
0.014172 +0.001512-0.000818
0.01499 +0.00085-0.00174
a
(au)
--- 0.0164±0.0002 --- ---
TC
(days)
2457184.43637+0.00160-0.00180
2457142.64378+0.00487-0.00517
2457141.09349 +0.002758-0.003045
2457140.318 +0.0019-0.0020
i
(deg)
89.7+10.0-8.0
 ---
81.930168 +5.825258-11.735217
---
δ
(%)
--- --- ---
0.0237 +0.0011-0.0012
T14
(hours)
--- --- ---
1.57920+0.08400-0.12000
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Transit Prediction Service
K2 Names
K2 Planets and Candidates
Transit
Source Adams et al. 2021 Livingston et al. 2018 Mayo et al. 2018 Kruse et al. 2019 Petigura et al. 2018 Show Candidate Solutions >> << Hide Candidate Solutions
a/R✶
9.20+0.80-2.00
8.080+1.150-2.170
7.553559 +1.249475-2.981331
8.1 +3.2-1.4
---
P
(days)
2.871512±0.000120
2.872042+0.000424-0.000420
2.871788 +0.000256-0.000257
2.87162 +0.00021-0.00019
2.871348 +0.000537-0.000546
Rp
(R⨁)
1.4±0.2 1.80±0.14
1.70058745958 +0.251510072751-0.114855273292
1.90 +0.16-0.40
1.8 +0.3-0.2
Rp
(RJup)
0.12±0.02 0.161±0.012
0.1517162512 +0.0224382258-0.0102467012
0.17 +0.014-0.04
0.16 +0.03-0.02
Rp/R✶
0.01540+0.00150-0.00067
0.0179+0.0016-0.0011
0.017422 +0.002449-0.001067
0.0189 +0.0014-0.0037
0.0176 +0.0021-0.0013
δ
(%)
--- --- ---
0.039 +0.002-0.0021
---
T14
(hours)
--- --- ---
2.37600+0.14400-0.19200
2.18880+0.24960-0.24000
TC
(days)
2457144.63842+0.00270-0.00240
2457141.75680+0.00617-0.00650
2457141.76377 +0.003643-0.003895
2457141.7708 +0.0027-0.0029
2457141.7649 +0.008115-0.007467
i
(deg)
90.4+5.0-4.0
 ---
86.067367 +2.836604-6.998926
--- ---
Teq
(K)
--- 1173±22 --- --- ---
b
---
0.43+0.33-0.29
 --- ---
0.52 +0.32-0.35
a
(au)
--- 0.0392±0.0005 --- --- ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Transit Prediction Service
K2 Names
K2 Planets and Candidates
Transit
Source Adams et al. 2021 Livingston et al. 2018 Mayo et al. 2018 Kruse et al. 2019 Petigura et al. 2018 Barros et al. 2016 Pope et al. 2016 Show Candidate Solutions >> << Hide Candidate Solutions
P
(days)
7.149584±0.000120
7.149210+0.000776-0.000788
7.149079 +0.000360-0.000372
7.14998 +0.00032-0.00031
7.149336 +0.000573-0.000587
7.15451552 7.15
δ
(%)
--- --- ---
0.1224 +0.0031-0.0032
--- 0.097±0.004 0.1068
T14
(hours)
--- --- ---
3.28800+0.16800-0.24000
2.83920+0.18000-0.12000
 2.51400 2.80296
TC
(days)
2457203.52085+0.00190-0.00130
2457146.32610+0.00402-0.00392
2457146.32854 +0.002027-0.002001
2457146.3213 +0.0017-0.0018
2457146.32652 +0.002868-0.002940
2457146.313282 2457146.322
a/R✶
18.0+0.9-3.0
18.16+1.86-4.10
14.822537 +4.155907-6.632083
12.9 +4.8-4.4
--- --- ---
i
(deg)
90.3+2.0-1.0
 ---
87.483206 +1.886985-3.903548
--- --- --- ---
Rp
(R⨁)
2.4±0.3 3.17±0.18
3.22104537224 +0.507097396957-0.245633506534
3.51 +0.41-0.59
3.4 +0.5-0.2
--- ---
Rp
(RJup)
0.21±0.03 0.283±0.016
0.2873624206 +0.0452401996-0.0219139537
0.313 +0.037-0.053
0.30 +0.04-0.02
--- ---
Rp/R✶
0.02590+0.00150-0.00069
0.0315+0.0021-0.0013
0.032998 +0.004969-0.002334
0.0350 +0.0039-0.0052
0.0324 +0.0045-0.0016
--- 0.032683
b
---
0.41+0.31-0.27
 --- ---
0.55 +0.32-0.38
--- 0.03
Teq
(K)
---
865+17-16
 --- --- --- --- ---
a
(au)
--- 0.0720±0.0009 --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Transit Prediction Service
K2 Names
K2 Planets and Candidates
Transit
Source Adams et al. 2021 Livingston et al. 2018 Mayo et al. 2018 Kruse et al. 2019 Petigura et al. 2018 Show Candidate Solutions >> << Hide Candidate Solutions
a/R✶
28+2-6
23.94+2.96-6.15
26.251690 +3.439531-7.324186
20.5 +9.0-4.8
---
P
(days)
13.6066290±0.0000036
13.609878+0.003478-0.002786
13.608341 +0.001661-0.001580
13.60496 +0.00091-0.00085
13.608511 +0.002240-0.002110
Rp
(R⨁)
1.9±0.3 2.38±0.18
2.25541631018 +0.217609903151-0.132477684997
2.69 +0.23-0.54
2.5 +0.3-0.2
Rp
(RJup)
0.17±0.03 0.212±0.016
0.2012147658 +0.0194138552-0.0118188674
0.240 +0.021-0.048
0.22 +0.03-0.02
Rp/R✶
0.02060+0.00170-0.00077
0.0237+0.0020-0.0015
0.023105 +0.001961-0.001187
0.0268 +0.0021-0.0049
0.0243 +0.0026-0.0013
δ
(%)
--- --- --- 0.0748±0.0025 ---
T14
(hours)
--- --- ---
4.22400+0.16800-0.40800
4.02960+0.25920-0.24000
TC
(days)
2457155.08495+0.00310-0.00270
2457155.08541+0.00467-0.00477
2457141.47225 +0.004976-0.005515
2457141.4772 +0.0025-0.0027
2457155.08449 +0.004403-0.004500
i
(deg)
90.1+1.0-2.0
 ---
88.970197 +0.751147-1.318388
--- ---
Teq
(K)
--- 698±13 --- --- ---
b
---
0.43+0.32-0.29
 --- ---
0.49 +0.32-0.33
a
(au)
--- 0.1106±0.0013 --- --- ---
Print
Known Objects
4 Confirmed Planets
2 K2 Targets
1 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
1 KELT Praesepe Time Series
1 K2 Time Series
4 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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