K2-139 Overview

K2-139 0.86 R_⦿ 5340.00 K

K2-139 b

0.813 R_Jup

Overview Notes 1 Parameters Nearby Data Bibliography 10 Legend Expand All

K2-139 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
K2-139
K2-139 b	28.38 d	9.11 R_⨁	Transit	2017	Barragán et al. 2018	Confirmed Planet

Exoplanet Archive Notes (1)

K2-139

Systemic velocity taken from FIES measurement in Table 5. Stellar density taken from spectroscopic value in Table 5. (Barragán et al. 2018)

K2-139 Stellar Parameters (7 Solutions)

RA: 19h16m16.01s

Dec: -17d54m38.57s

Distance: 153.856+0.932-0.921
pc

Parallax: 6.4710100±0.0388505 mas

Ecliptic Latitude: 4.33438 deg

Ecliptic Longitude: 288.15959 deg

Galactic Latitude: -13.40289 deg

Galactic Longitude: 19.45003 deg

Total Proper Motion: 38.7241554±0.0825460 mas/yr

Proper Motion (RA): 37.2813000±0.0838795 mas/yr

Proper Motion (Dec): -10.4721000±0.0632543 mas/yr

Photometry: m_V
11.652±0.020; m_TESS
10.9139±0.0062; m_J
10.177±0.022; m_H
9.768±0.022; m_Ks
9.660±0.023; m_Kep
11.470; m_W1
9.604±0.023; m_W2
9.677±0.020; m_W3
9.566±0.050; m_W4
8.242; m_Gaia
11.462600±0.000529; m_B
12.434±0.285

Abundances (Hypatia Catalog): [Fe/H] 0.18±0.04 dex; [C/H] 0.21±0.09 dex; [O/H] 0.04±0.09 dex

Mission: K2 : Observed in Campaign 7

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	Livingston et al. 2018	Gaia DR2	Barragán et al. 2018	Mayo et al. 2018	Kruse et al. 2019	Petigura et al. 2018
T_eff (K)	5195.000+144.841-126.714	5370±68	5083.6504+115.8500-143.2500	5340±110	5425.0±50.0	---	---
Metallicity (dex)	---	0.24±0.05 [Fe/H]	---	0.22±0.08 [Fe/H]	0.23±0.08 [Fe/H]	---	---
γ (km/s)	---	---	-30.509055519121702±0.407074817574880	-31.3575±0.0064	---	---	---
v sin i (km/s)	---	---	---	2.8±0.6	---	---	---
Age (Gyr)	---	---	---	1.8±0.3	---	---	---
ρ_✶ (g/cm³)	1.7414879+0.4249132-0.4249231	2.477+0.193-0.185	---	2.02+0.25-0.22	---	---	---
M_✶ (M_⦿)	0.8820000+0.1354360-0.0850637	0.96±0.02	---	0.919±0.033	0.948628 +0.023751-0.022167	---	---
R_✶ (R_⦿)	0.8937950+0.0631573-0.0457171	0.88±0.01	0.91318524+0.05372470-0.04023990	0.862±0.032	0.872288 +0.034165-0.022798	0.913 +0.040-0.054	0.93
log g (log₁₀(cm/s²))	4.4810600+0.0909913-0.0808741	4.54±0.02	---	4.50±0.09	4.66±0.1	---	---
Sp. T	---	---	---	K0 V	---	---	---
P_rot (days)	---	---	---	17.24±0.12	---	---	---
L_✶ (log₁₀(L_⦿))	-0.2804870+0.0173185-0.0158576	---	-0.29948484+0.00383409-0.00386818	---	---	---	---

K2-139 b Planetary Parameters (5 Solutions)

Status: Confirmed Planet

Detected By: Radial Velocity, Transit

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

Source	Livingston et al. 2018	Barragán et al. 2018	Mayo et al. 2018	Kruse et al. 2019	Petigura et al. 2018
a/R_✶	47.25+0.73-1.98	44.8+4.7-6.7	45.812319 +2.071643-2.530236	46.0 +2.7-1.5	---
T_eq (K)	524±8	565+48-32	---	---	---
b	0.17+0.16-0.12	0.30+0.21-0.19	---	---	0.08 +0.08-0.06
P (days)	28.380619+0.000551-0.000528	28.38236±0.00026	28.382071 +0.000275-0.000274	28.38246±0.00020	28.382206±0.000318
R_p (R_⨁)	9.11±0.17	9.06+0.38-0.37	9.26802367728 +0.42219631984-0.30585764843	9.62 +0.48-0.69	9.5 +0.6-0.5
R_p (R_Jup)	0.813±0.015	0.808+0.034-0.033	0.8268376909 +0.0376658328-0.0272867917	0.858 +0.043-0.062	0.85 +0.05-0.04
R_p/R_✶	0.0951+0.0012-0.0007	0.0961+0.0023-0.0015	0.097408 +0.002266-0.001963	0.0966 +0.0022-0.0040	0.0936±0.0003
a (au)	0.1796±0.0015	0.179+0.021-0.027	---	---	---
T_C (days)	2457325.81750+0.00058-0.00059 (BJD)	2457325.81714±0.00033 (BJD-TDB)	2457325.81728 +0.000355-0.000358	2457325.81726 +0.00031-0.00029 (BJD)	2457325.81687 +0.000442-0.000449 (BJD)
ω (deg)	---	124+175-79	---	---	---
M_p (M_⨁)	---	123+26-24	---	---	---
M_p (M_Jup)	---	0.387+0.083-0.075	---	---	---
e	---	0.12+0.12-0.08	---	---	---
i (deg)	---	89.62+0.25-0.36	89.556684 +0.256667-0.198088	---	---
ρ (g/cm³)	---	0.910+0.240-0.200	---	---	---
K (m/s)	---	27.7+6.0-5.3	---	---	---
T₁₄ (hours)	---	4.89+0.08-0.22	---	4.98720+0.03600-0.03360	4.93920+0.01920-0.01920
δ (%)	---	---	---	1.1093 +0.0064-0.0073	---

Nearby Data (within 30 arcseconds) Browse Nearby Data

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Known Objects: 1 Confirmed Planets; 1 K2 Targets; 7 2MASS Point Source Catalog

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

Bibliography (10 References)

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
Sixty Validated Planets from K2 Campaigns 5-8
Livingston et al. 2018 Reference Overview
Gaia Data Release 2
Gaia DR2 Reference Overview
K2-139 b: a low-mass warm Jupiter on a 29-d orbit transiting an active K0 V star
Barragán et al. 2018 Reference Overview
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10
Mayo et al. 2018 Reference Overview
Planet Candidates from K2 Campaigns 5─8 and Follow-up Optical Spectroscopy
Petigura et al. 2018 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

System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

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Transit Prediction Service
Time Series
Kepler | K2

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