IPAC Logo
NASA
Exoplanet
Archive
A
service of
NASA
Exoplanet
Science
Institute

K2-131 Overview

  • Star: K2-131
    • Stellar Radius: 0.81 Solar Radius
    • Stellar Effective Temperature: 5200.00 K
    • Planet: K2-131 b
      • Disposition Confirmed
      • Planet Radius 0.151 Jupiter Radius

K2-131 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
K2-131
K2-131 b 0.37 d 1.69 R⨁ Transit 2017 Dai et al. 2017 Confirmed Planet
RA
12h11m00.34s
Dec
-09d45m54.86s
Distance
152.509+1.079-1.063
pc
Parallax
6.5285100±0.0456876 mas
Ecliptic Latitude
-7.86259 deg
Ecliptic Longitude
186.42232 deg
Galactic Latitude
51.82615 deg
Galactic Longitude
286.68054 deg
Total Proper Motion
39.8487450±0.0909938 mas/yr
Proper Motion (RA)
-39.4851000±0.0911357 mas/yr
Proper Motion (Dec)
-5.3711600±0.0829632 mas/yr
Photometry
mV 12.129±0.092
mTESS 11.3328±0.0061
mJ 10.570±0.026
mH 10.122±0.022
mKs 10.051±0.026
mKep 11.937
mW1 9.950±0.024
mW2 9.9970±0.0210
mW3 9.907±0.057
mW4 8.667
mGaia 11.899900±0.000602
mB 13.054±0.036
Abundances
(Hypatia Catalog)
[Fe/H] 0.02±0.04 dex
[Mg/H] -0.06±0.07 dex
Mission
K2: Observed in Campaign 10
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
K2 Names
K2 Planets and Candidates
K2 Targets
Stellar Hosts
K2 Time Series
Source Bonomo et al. 2023 Adams et al. 2021 TICv8 Dai et al. 2019 Livingston et al. 2018 Gaia DR2 Mayo et al. 2018 Dai et al. 2017 ExoFOP
Teff
(K)
5120±71 5200±100
5129.000+138.532-119.522
 5200±100
5245+46-52
5048.25+228.70-68.83
 5113.0±50.0 5200±100 5129.000±129.027
Metallicity
(dex)
-0.040±0.070 [Fe/H] -0.02±0.08 [Fe/H] --- -0.02±0.08 [Fe/H] -0.17±0.03 [Fe/H] --- -0.15±0.08 [Fe/H] 0.0±0.1 [Fe/H] ---
v sin i
(km/s)
--- --- --- --- 4.30±0.20 --- --- 4.4±1.0 ---
ρ✶
(g/cm3)
--- ---
2.8222326+0.7838958-0.5995568
2.71+0.14-0.19
 --- --- --- 2.23±0.33 ---
M✶
(M⦿)
0.803±0.034 ---
0.864000+0.109078-0.101517
0.793+0.024-0.040
 0.84±0.01 ---
0.802828 +0.028165-0.029804
0.84±0.03 ---
R✶
(R⦿)
0.7595+0.0087-0.0089
 0.81±0.03
0.7557220+0.0530502-0.0391508
0.744+0.010-0.009
 0.75±0.01
0.75308275+0.02096340-0.06386190
0.765322 +0.033417-0.026030
0.81±0.03 0.755721986293793±0.046100500000000
log g
(log10(cm/s2))
--- 4.6±0.1
4.6178600+0.0878848-0.0822538
 4.62±0.10 4.61±0.01 --- 4.5±0.1 4.62±0.10 4.6178600±0.0850693
Prot
(days)
9.194±0.065 --- --- --- --- --- --- 9.37±1.85 ---
L✶
(log10(L⦿))
--- ---
-0.4484503+0.0197315-0.0130396
 --- ---
-0.47905652+0.00426347-0.00430572
 --- --- ---
γ
(km/s)
--- --- --- --- --- -5.272756713213875±1.130114353353466 --- --- ---
Age
(Gyr)
5.30+4.90-3.70
 --- --- --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
K2 Names
K2 Planets and Candidates
Transit
Source Bonomo et al. 2023 Adams et al. 2021 Dai et al. 2019 Livingston et al. 2018 Mayo et al. 2018 Dai et al. 2017 ExoFOP
a/R✶
--- 3.0±0.2 ---
2.6+0.2-0.4
2.298600 +0.371556-0.622215
2.66+0.18-0.36
 ---
Teq
(K)
2223±37 --- --- 2062±23 --- --- 2008.02296489722
b
--- --- ---
0.40+0.27-0.26
 --- --- ---
P
(days)
0.3693038±0.0000091 0.369311±0.000030 0.369 0.36931±0.00001
0.369311 +0.000008-0.000009
0.3693038±0.0000091 0.369305719843571±0.000007676090000
Rp
(R⨁)
1.690+0.085-0.058
1.50+0.07-0.06
1.651+0.065-0.056
1.70+0.09-0.05
1.7615691398 +0.223225606593-0.127949630608
1.81+0.16-0.12
 2.13418185649227±1.68659560000000
Rp
(RJup)
0.1508+0.0076-0.0052
0.134+0.006-0.005
0.1473+0.0058-0.0050
0.152+0.008-0.004
0.1571566723 +0.0199148547-0.0114149015
0.161+0.014-0.011
 0.190399280149735±0.150468240167458
Rp/R✶
---
0.01720+0.00041-0.00027
0.02032+0.00076-0.00064
0.0207+0.0010-0.0005
0.021102 +0.002510-0.001354
0.0204+0.0010-0.0006
 ---
a
(au)
0.00936±0.00014 --- --- 0.009500±0.000000 --- --- ---
δ
(%)
--- --- --- 0.04 --- --- 0.0755653593485102±0.0063054474000000
T14
(hours)
--- --- --- 1.0 --- --- 1.00277809611943±0.21695538000000
TC
(days)
2457582.9360±0.0011
(BJD-TDB)
2457605.09575+0.00091-0.00025
(HJD)
---
2457582.9355+0.0011-0.0010
(BJD)
2457582.93557 +0.000994-0.000977
2457582.9360±0.0011
(BJD)
2459280.98948800±0.00063759
(BJD)
i
(deg)
85.0+9.0-10.0
89.7+7.0-6.0
 --- ---
76.935339 +9.320737-17.005494
85+9-10
 ---
S
(S⨁)
4070±280 --- --- --- --- --- 3842.33921376018
Mp
(M⨁)
7.9±1.3 --- 6.3±1.4 --- --- 6.5±1.6 ---
Mp
(MJup)
0.025±0.004 --- 0.020±0.004 --- --- 0.020±0.005 ---
e
0 --- --- --- --- 0 ---
ρ
(g/cm3)
8.80+1.90-1.70
 ---
7.70+2.70-2.60
 --- ---
6.0+3.0-2.7
 ---
K
(m/s)
8.0±1.3 --- 6.55±1.48 --- --- 6.55±1.48 ---
Print
Known Objects
1 Confirmed Planets
1 K2 Targets
1 2MASS Point Source Catalog
Data Files
1 K2 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
  • External Link
  • Search
  • Browse
  • Download

NASA Exoplanet Archive is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program.