K2-339 Overview

K2-339 0.72 R_⦿ 4678.76 K

EPIC 211897691.01

0.179 R_Jup

K2-339 b

0.171 R_Jup

Overview Parameters Nearby Data Bibliography 8 Legend Expand All

K2-339 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
K2-339
EPIC 211897691.01	5.75 d	2.01 R_⨁	Transit	2016	Pope et al. 2016	Candidate Planet
K2-339 b	19.51 d	1.92 R_⨁	Transit	2021	de Leon et al. 2021	Confirmed Planet

K2-339 Stellar Parameters (6 Solutions)

RA: 08h40m19.81s

Dec: +18d41m34.46s

Distance: 360.360±5.236 pc

Parallax: 2.7466400±0.0400117 mas

Ecliptic Latitude: .32987 deg

Ecliptic Longitude: 127.58096 deg

Galactic Latitude: 32.12682 deg

Galactic Longitude: 206.9914 deg

Total Proper Motion: 3.3156414±0.0541658 mas/yr

Proper Motion (RA): -2.0465000±0.0666899 mas/yr

Proper Motion (Dec): -2.6087000±0.0447484 mas/yr

Photometry: m_V
14.487±0.206; m_TESS
13.7069±0.0075; m_J
12.796±0.021; m_H
12.295±0.024; m_Ks
12.173±0.023; m_Kep
14.313; m_W1
12.114±0.023; m_W2
12.156±0.024; m_W3
12.083±0.407; m_W4
8.848; m_Gaia
14.343600±0.000523; m_B
15.584±0.075; m_g
15.2099000±0.0036796; m_i
14.3100000±0.0027021; m_r
14.3540000±0.0093126; m_u
17.3176000±0.0096423; m_z
13.8694000±0.0043937

Mission: K2 : Observed in Campaigns 5, 16, 18

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	Kruse et al. 2019	Kruse et al. 2019	Libralato et al. 2016	Pope et al. 2016
T_eff (K)	4857+86-84	4678.76±62.94	---	---	---	---
L_✶ (log₁₀(L_⦿))	---	-0.6517284	---	---	---	---
Metallicity (dex)	-0.11±0.14 [Fe/H]	-0.179±0.060 [M/H]	---	---	---	---
ρ_✶ (g/cm³)	---	2.8486950	---	---	---	---
M_✶ (M_⦿)	0.74+0.04-0.03	0.75	---	---	---	---
R_✶ (R_⦿)	0.72±0.03	0.718666	0.576 +0.018-0.043	0.576 +0.018-0.043	0.765	---
log g (log₁₀(cm/s²))	4.59±0.02	4.60008	---	---	---	---
P_rot (days)	11.13±0.83	---	---	---	---	---

K2-339 b Planetary Parameters (2 Solutions)

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	Kruse et al. 2019
a/R_✶	40.71+4.50-11.08	35.6 +11.2-5.3
T_eq (K)	508±12	---
b	0.44+0.33-0.30	---
P (days)	19.507428+0.000116-0.000113	19.5080±0.0019
R_p (R_⨁)	1.92+0.19-0.12	2.11 +0.15-0.32
R_p (R_Jup)	0.171+0.017-0.011	0.188 +0.013-0.029
R_p/R_✶	0.0244+0.0023-0.0012	0.0336 +0.0022-0.0044
T₁₄ (hours)	3.40+0.18-0.16	3.79200+0.19200-0.26400
T_C (days)	2457153.004667+0.004642-0.005128 (BJD)	2457153.0076 +0.0032-0.0034 (BJD)
δ (%)	---	0.1237 +0.0069-0.0071

EPIC 211897691.01 Candidate Planet Parameters (3 Solutions)

Status: Candidate Planet
Detected By: Transit

Tools: Transit Prediction Service; K2 Planets and Candidates

Source	Kruse et al. 2019	Libralato et al. 2016	Pope et al. 2016
i (deg)	---	86.89±0.04	---
P (days)	5.75052 +0.00032-0.00037	5.749481±0.000240	5.75
R_p (R_⨁)	2.01 +0.21-0.55	2.93	---
R_p (R_Jup)	0.179 +0.019-0.049	0.261	---
R_p/R_✶	0.0321 +0.0033-0.0084	0.0351±0.0013	0.030749
δ (%)	0.1123 +0.0066-0.0071	0.0753±0.0091	0.0945
T_C (days)	2457142.4955±0.0018	2457142.495219±0.001717	2457142.497
b	---	---	0
T₁₄ (hours)	1.44000+0.12000-0.16800	---	1.25496
a/R_✶	27.2 +12.8-5.4	---	---

Nearby Data (within 30 arcseconds) Browse Nearby Data

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

Data Files: 1 KELT Praesepe Time Series; 2 K2 Time Series; 1 Associated Literature Data

Bibliography (8 References)

37 new validated planets in overlapping K2 campaigns
de Leon et al. 2021 Reference Overview
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
Detection of Hundreds of New Planet Candidates and Eclipsing Binaries in K2 Campaigns 0-8
Kruse et al. 2019 Reference Overview
A PSF-based approach to Kepler/K2 data - II. Exoplanet candidates in Praesepe (M 44)
Libralato et al. 2016 Reference Overview
Transiting exoplanet candidates from K2 Campaigns 5 and 6
Pope et al. 2016 Reference Overview
The K2 Ecliptic Plane Input Catalog (EPIC) and Stellar Classifications of 138,600 Targets in Campaigns 1-8
EPIC Catalog Reference Overview
All WISE Data Release
Cutri et al. 2014 Reference Overview
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview

Legend

System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2

External Link
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Debug Info

https://vmexoweb2.ipac.caltech.edu/data/Overviews_2.0/13/K2-339.json

K2-339

Catalog Parameters

08h40m19.81s

Dec

dec

+18d41m34.46s

elat

.32987

elon

127.58096

glat

32.12682

glon

206.9914

m_V

sy_vmag

14.487±0.206

m_TESS

sy_tmag

13.7069±0.0075

m_J

sy_jmag

12.796±0.021

m_H

sy_hmag

12.295±0.024

m_Ks

sy_kmag

12.173±0.023

m_Kep

sy_kepmag

14.313

m_W1

sy_w1mag

12.114±0.023

m_W2

sy_w2mag

12.156±0.024

m_W3

sy_w3mag

12.083±0.407

m_W4

sy_w4mag

8.848

sy_icmag

no_data

m_Gaia

sy_gaiamag

14.343600±0.000523

m_B

sy_bmag

15.584±0.075

m_g

sy_gmag

15.2099000±0.0036796

m_i

sy_imag

14.3100000±0.0027021

m_r

sy_rmag

14.3540000±0.0093126

m_u

sy_umag

17.3176000±0.0096423

m_z

sy_zmag

13.8694000±0.0043937

sy_pm

3.3156414±0.0541658

μ_δ

sy_pmdec

-2.6087000±0.0447484

μ_α

sy_pmra

-2.0465000±0.0666899

sy_plx

2.7466400±0.0400117

Distance

sy_dist

360.360±5.236

Set Parameters

R_✶

st_rad

0.718666

T_eff

st_teff

4678.76±62.94