K2-137 Overview

K2-137 0.53 R⦿ 3359.00 K
K2-137 b
0.057 RJup

K2-137 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
K2-137
K2-137 b 0.18 d 0.64 R Transit 2017 Smith et al. 2018 Confirmed Planet
RA
12h27m28.90s
Dec
-06d11m42.78s
Distance
98.8765+0.6176-0.6101
pc
Parallax
10.0853000±0.0623176 mas
Ecliptic Latitude
-2.96382 deg
Ecliptic Longitude
188.75304 deg
Galactic Latitude
56.17618 deg
Galactic Longitude
292.19218 deg
Total Proper Motion
79.5954471±0.1345623 mas/yr
Proper Motion (RA)
-79.532900±0.134635 mas/yr
Proper Motion (Dec)
3.1548400±0.0753036 mas/yr
Photometry
mV
15.94±0.20
mTESS
13.2396000±0.0074097
mJ
11.764±0.026
mH
11.126±0.022
mKs
10.882±0.023
mKep
14.534
mW1
10.705±0.024
mW2
10.65±0.02
mW3
10.647±0.096
mW4
8.368
mGaia
14.434500±0.000618
mB
17.007±0.086
Source Adams et al. 2021 TICv8 Gaia DR2 Smith et al. 2018
Teff
(K)
3697±109 3450.0±157.0
3359.000+323.813-28.750
3492±70
L
(log10(L⦿))
---
-1.57134+0.09476-0.12137
-1.483884+0.005701-0.005777
---
R
(R⦿)
0.29±0.06 0.4585040±0.0138686
0.5349221+0.0092758-0.0899312
0.442±0.044
Metallicity
(dex)
-0.0590±0.1800 [Fe/H] --- --- 0.080±0.120 [Fe/H]
ρ
(g/cm3)
--- 6.6636850±0.3055897 --- 13±2
M
(M⦿)
--- 0.4555940±0.0204624 --- 0.463±0.052
log g
(log10(cm/s2))
5.00±0.06 4.7739600±0.0067618 --- 4.815±0.043
Sp. T
--- --- --- M3 V
Source Adams et al. 2021 Smith et al. 2018
a/R
2.1+0.4-0.3
2.82±0.14
Teq
(K)
--- 1471±47
b
--- 0.020±0.100
Mp
(M)
--- <159
Mp
(MJup)
--- <0.5
e
--- 0
i
(deg)
93.10+10.00-20.00
89.6±3.3
P
(days)
0.179719±0.000028 0.179715±0.000001
Rp
(R)
0.64±0.10 0.89±0.09
Rp
(RJup)
0.057±0.009 0.079±0.008
Rp/R
0.02000+0.00160-0.00081
0.0184±0.0006
a
(au)
--- 0.0058±0.0006
T14
(hours)
--- 0.629±0.026
TC
(days)
2457639.27571+0.00077-0.00068
(HJD)
2457583.0242±0.0004
(BJD-TDB)
Known Objects
1 Confirmed Planets
1 K2 Targets
1 2MASS Point Source Catalog
Data Files
1 K2 Time Series
1 Associated Literature Data
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