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K2-331 Overview

  • Star: K2-331
    • Stellar Radius: 1.06 Solar Radius
    • Stellar Effective Temperature: 5797.00 K
    • Planet: K2-331 b
      • Disposition Confirmed
      • Planet Radius 0.160 Jupiter Radius
    • Planet: K2-331 c
      • Disposition Confirmed
      • Planet Radius 0.243 Jupiter Radius

K2-331 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
K2-331
K2-331 b 9.4 d 1.79 R⨁ Transit 2021 de Leon et al. 2021 Confirmed Planet
K2-331 c 23 d 2.72 R⨁ Transit 2021 de Leon et al. 2021 Confirmed Planet
RA
08h50m57.03s
Dec
+13d10m12.97s
Distance
211.430+1.759-1.731
pc
Parallax
4.7011700±0.0387507 mas
Ecliptic Latitude
-4.3257 deg
Ecliptic Longitude
131.50071 deg
Galactic Latitude
32.3837 deg
Galactic Longitude
214.18022 deg
Total Proper Motion
20.9050377±0.0514828 mas/yr
Proper Motion (RA)
-5.8935000±0.0679067 mas/yr
Proper Motion (Dec)
-20.0571000±0.0498115 mas/yr
Photometry
mV 11.305±0.029
mTESS 10.7578±0.0061
mJ 10.159±0.021
mH 9.893±0.022
mKs 9.804±0.016
mKep 11.617
mW1 9.775±0.023
mW2 9.815±0.020
mW3 9.773±0.053
mW4 8.833
mGaia 11.19450±0.00077
mB 12.310±0.329
mg 11.8030000±0.0008881
mi 11.0635000±0.0012641
mr 11.1771000±0.0007651
mu 15.5371000±0.0092262
mz 13.6315000±0.0136534
Abundances
(Hypatia Catalog)
[Fe/H] 0.27±0.04 dex
[Mg/H] 0.27±0.07 dex
Mission
K2: Observed in Campaign 16
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
K2 Names
K2 Planets and Candidates
K2 Targets
Stellar Hosts
K2 Time Series
Source de Leon et al. 2021 TICv8 Yu et al. 2018
Teff
(K)
5994+93-91
5797.000+121.161-109.808
 6010±170
L✶
(log10(L⦿))
---
0.059426709+0.016823058-0.010988130
 ---
ρ✶
(g/cm3)
---
1.2266983+0.3167654-0.2078154
 ---
M✶
(M⦿)
1.10+0.03-0.04
1.041000+0.143286-0.117948
 ---
R✶
(R⦿)
1.06+0.03-0.02
1.0616000+0.0604663-0.0368804
 1.043±0.015
log g
(log10(cm/s2))
4.43+0.02-0.03
4.4036000+0.0873745-0.0682872
 4.426±0.031
Metallicity
(dex)
0.080±0.080 [Fe/H] --- ---
Prot
(days)
9.980±0.710 --- ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
K2 Names
K2 Planets and Candidates
Transit
Source de Leon et al. 2021
a/R✶
16.76+1.93-4.78
Teq
(K)
909±14
b
0.43+0.34-0.29
P
(days)
9.398977+0.001506-0.001348
Rp
(R⨁)
1.79+0.14-0.10
Rp
(RJup)
0.160+0.012-0.009
Rp/R✶
0.0155+0.0012-0.0007
T14
(hours)
3.92+0.22-0.19
TC
(days)
2458100.920192+0.005312-0.005582
(BJD)
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
K2 Names
K2 Planets and Candidates
Transit
Source de Leon et al. 2021 Yu et al. 2018
P
(days)
22.996591+0.001848-0.001859
 22.995920
Rp
(R⨁)
2.72+0.14-0.10
 2.5
Rp
(RJup)
0.243+0.012-0.009
 .22
δ
(%)
--- 0.0470
T14
(hours)
4.43+0.10-0.09
 3.72000
TC
(days)
2458113.304754+0.002330-0.002335
(BJD)
2458113.30425
(BJD)
a/R✶
37.87+2.65-7.38
 ---
Teq
(K)
673+12-11
 ---
b
0.37+0.30-0.25
 ---
Rp/R✶
0.0235+0.0011-0.0007
 ---
Print
Known Objects
2 Confirmed Planets
1 K2 Targets
1 2MASS Point Source Catalog
Data Files
1 K2 Time Series
2 Associated Literature Data
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  • Candidate
  • False Positive Planet
  • Controversial
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  • Aliases
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  • Transit Prediction Service
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  • Kepler | K2
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