K2-239 Overview

K2-239 0.36 R_⦿ 3720.77 K

K2-239 b

0.098 R_Jup

K2-239 c

0.089 R_Jup

K2-239 d

0.098 R_Jup

Overview Parameters Nearby Data Bibliography 6 Legend

Architecture: K2-239; K2-239

Discovery Data

Host	Planet	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
K2-239	K2-239 b	5.24 d	1.1 R_⨁	Transit	2018	Díez Alonso et al. 2018	Confirmed Planet
K2-239	K2-239 c	7.78 d	1 R_⨁	Transit	2018	Díez Alonso et al. 2018	Confirmed Planet
K2-239	K2-239 d	10.12 d	1.1 R_⨁	Transit	2018	Díez Alonso et al. 2018	Confirmed Planet

K2-239 Stellar Parameters (3 Solutions)

RA: 10h42m22.59s

Dec: +04d26m28.95s

Distance: 31.0849+0.0831-0.0826
pc

Parallax: 32.1414000±0.0851176 mas

Ecliptic Latitude: -3.48106 deg

Ecliptic Longitude: 160.40247 deg

Galactic Latitude: 51.77727 deg

Galactic Longitude: 243.59017 deg

Total Proper Motion: 42.4516694±0.1550037 mas/yr

Proper Motion (RA): -42.265100±0.154269 mas/yr

Proper Motion (Dec): 3.975620±0.222951 mas/yr

Photometry: m_V
14.632±0.126; m_TESS
12.235200±0.007632; m_J
10.781±0.026; m_H
10.192±0.021; m_Ks
9.971±0.021; m_Kep
13.545; m_W1
9.774±0.022; m_W2
9.634±0.020; m_W3
9.513±0.042; m_W4
8.765; m_Ic
12.718±0.030; m_Gaia
13.436700±0.000696; m_B
16.206±0.061; m_g
15.6965000±0.0046656; m_i
16.0683000±0.0146256; m_r
15.7609000±0.0129255; m_u
18.1529000±0.0151057; m_z
12.3650000±0.0053804

Abundances (Hypatia Catalog): [Fe/H] -0.70±0.04 dex; [Al/H] -0.90±0.06 dex; [Si/H] 0.34±0.05 dex; [Ca/H] -0.36±0.06 dex

Mission: K2 : Observed in Campaign 14

Tools: Planetary Systems; ExoFOP Target Overview Page; IRSA Finding Chart; K2 Names; K2 Planets and Candidates; K2 Targets; Stellar Hosts; K2 Time Series

Source	TICv8	Díez Alonso et al. 2018	Gaia DR2
T_eff (K)	3435.0±157.0	3420±18	3720.7734+324.4370-363.4400
L_✶ (log₁₀(L_⦿))	-2.08622+0.09495-0.12169	-1.8+0.0-0.0	---
Metallicity (dex)	---	-0.1±0.1 [Fe/H]	---
M_✶ (M_⦿)	0.22703±0.02014	0.40±0.01	---
R_✶ (R_⦿)	0.2556760±0.0077017	0.36±0.01	---
log g (log₁₀(cm/s²))	4.9787700±0.0124557	4.9±0.1	---
Sp. T	---	M3.0 V	---
ρ_✶ (g/cm³)	19.1505165±0.0494896	---	---

K2-239 b Planetary Parameters (1 Solution)

Status: Confirmed Planet

Detected By: Transit

Tools: Planetary Systems; Transit Prediction Service; K2 Names; K2 Planets and Candidates; Transit

Source	Díez Alonso et al. 2018
a/R_✶	24.6+1.9-2.0
T_eq (K)	502+22-18
b	0.44+0.33-0.29
i (deg)	88.99+0.68-0.87
P (days)	5.240±0.001
R_p (R_⨁)	1.1±0.1
R_p (R_Jup)	0.098±0.009
R_p/R_✶	0.0259+0.0013-0.0012
a (au)	0.0441±0.0008
δ (%)	0.067+0.007-0.006
T₁₄ (hours)	1.47+0.16-0.31
T_C (days)	2457908.191 (BJD)

K2-239 c Planetary Parameters (1 Solution)

Status: Confirmed Planet

Detected By: Transit

Tools: Planetary Systems; Transit Prediction Service; K2 Names; K2 Planets and Candidates; Transit

Source	Díez Alonso et al. 2018
a/R_✶	34.0+3.3-3.5
T_eq (K)	427+24-19
b	0.730+0.240-0.390
i (deg)	88.77+0.70-0.57
P (days)	7.775±0.001
R_p (R_⨁)	1.0±0.1
R_p (R_Jup)	0.089±0.009
R_p/R_✶	0.0241+0.0016-0.0014
a (au)	0.0576±0.0009
δ (%)	0.058+0.008-0.006
T₁₄ (hours)	1.2+0.3-0.6
T_C (days)	2457916.86 (BJD)

K2-239 d Planetary Parameters (1 Solution)

Status: Confirmed Planet

Detected By: Transit

Tools: Planetary Systems; Transit Prediction Service; K2 Names; K2 Planets and Candidates; Transit

Source	Díez Alonso et al. 2018
a/R_✶	38.8+2.9-3.3
T_eq (K)	399+18-15
b	0.39±0.25
i (deg)	89.43+0.38-0.45
P (days)	10.115±0.001
R_p (R_⨁)	1.1±0.1
R_p (R_Jup)	0.098±0.009
R_p/R_✶	0.0255±0.0012
a (au)	0.0685±0.0012
δ (%)	0.065±0.006
T₁₄ (hours)	1.84+0.14-0.18
T_C (days)	2457908.381 (BJD)

Nearby Data (within 30 arcseconds)

Known Objects: 3 Confirmed Planets; 1 K2 Targets; 2 2MASS Point Source Catalog

Data Files: 1 K2 Time Series; 3 Associated Literature Data

Bibliography (6 References)

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