K2-140 Overview

K2-140 0.99 R_⦿ 5654.00 K

K2-140 b

1.210 R_Jup

Overview Notes 1 Parameters Nearby Data Bibliography 11 Legend

Architecture: K2-140; K2-140

Discovery Data

Host	Planet	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
K2-140	K2-140 b	6.57 d	13.56 R_⨁	Transit	2017	Giles et al. 2018	Confirmed Planet

Exoplanet Archive Notes (1)

K2-140 b

Equilibrium temperature was calculated assuming a Bond albedo of 0.3. (Korth et al. 2019)

K2-140 Stellar Parameters (7 Solutions)

RA: 12h32m32.96s

Dec: -09d36m27.40s

Distance: 347.917+8.287-7.917
pc

Parallax: 2.8473100±0.0663889 mas

Ecliptic Latitude: -5.60176 deg

Ecliptic Longitude: 191.26225 deg

Galactic Latitude: 52.97976 deg

Galactic Longitude: 295.18424 deg

Total Proper Motion: 9.1626225±0.0828093 mas/yr

Proper Motion (RA): -6.831110±0.100677 mas/yr

Proper Motion (Dec): 6.1065200±0.0524851 mas/yr

Photometry: m_V
12.727±0.092; m_TESS
12.0213±0.0060; m_J
11.421±0.026; m_H
11.068±0.021; m_Ks
10.995±0.021; m_Kep
12.483; m_W1
10.985±0.024; m_W2
11.030±0.021; m_W3
10.891±0.119; m_W4
8.898; m_Gaia
12.481400±0.000166; m_B
13.349±0.033

Abundances (Hypatia Catalog): [Fe/H] 0.19±0.04 dex; [C/H] 0.24±0.09 dex; [O/H] 0.17±0.09 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	TICv8	Korth et al. 2019	Gaia DR2	Livingston et al. 2018	Giles et al. 2018	Mayo et al. 2018	ExoFOP-TESS TOI	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eff (K)	5712.000+118.655-143.093	5585±120	5485.000+114.333-24.000	5705+50-48	5654±55	5637.0±50.0	5712.000±130.874
L_✶ (log₁₀(L_⦿))	-0.0034964272+0.0273507598-0.0200826083	---	-0.01921705+0.01284376-0.01323520	---	-0.0491+0.0232-0.0240	---	---
Metallicity (dex)	---	0.10±0.10 [Fe/H]	---	0.13±0.04 [Fe/H]	0.120±0.045 [Fe/H]	0.29±0.08 [Fe/H]	---
v sin i (km/s)	---	3.6±1.0	---	3.80±0.20	3.8±0.2	---	---
Age (Gyr)	---	9.80+3.40-4.60	---	---	4.22±0.95	---	---
ρ_✶ (g/cm³)	1.3643608+0.3171686-0.2952219	1.133±0.284	---	---	1.477±0.058	---	---
M_✶ (M_⦿)	1.018000+0.175136-0.085568	0.960+0.060-0.040	---	1.00±0.02	1.005+0.021-0.020	1.017113 +0.036492-0.034383	---
R_✶ (R_⦿)	1.0170200+0.0477859-0.0618824	1.06+0.07-0.06	1.0831556+0.0095414-0.0437826	0.99±0.01	0.987±0.011	1.047599 +0.144209-0.083013	1.0170199871063232±0.0548341000000000
log g (log₁₀(cm/s²))	4.4311600+0.0799661-0.0823247	4.4±0.2	---	4.45±0.01	4.452+0.010-0.009	4.33±0.1	4.4311600±0.0811454
Sp. T	---	G6 V	---	---	G5	---	---
P_rot (days)	---	14.6±4.1	---	---	16.3±0.1	---	---
γ (km/s)	---	1.2150+0.0040-0.0014	1.4664789964241685±1.0343846625570932	---	---	---	---

K2-140 b Planetary Parameters (6 Solutions)

Status: Confirmed Planet

Detected By: Radial Velocity, Transit

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

Source	Korth et al. 2019	Kokori et al. 2023	Livingston et al. 2018	Giles et al. 2018	Mayo et al. 2018	ExoFOP-TESS TOI	Show Candidate Solutions >>	<< Hide Candidate Solutions
a/R_✶	14.1±0.2	13.84+0.04-0.07	15.1+0.1-0.3	---	15.303844 +0.084933-0.189546	---
i (deg)	88.3±0.1	88.3±0.1	---	88.51+0.69-0.53	89.643698 +0.252810-0.379408	---
P (days)	6.569188±0.000031	6.5692045±0.0000015	6.56918±0.00004	6.569300+0.000017-0.000020	6.569213 +0.000019-0.000020	6.56920797691±0.00069841220
R_p/R_✶	0.117±0.001	0.117±0.001	0.1130+0.0006-0.0005	0.1140+0.0015-0.0012	0.114173 +0.000560-0.000426	---
T_C (days)	2457588.28509±0.00005 (BJD)	2457732.80773±0.00010 (BJD-TDB)	2457588.2851±0.0002 (BJD)	2457588.28380±0.00014	2457588.28503 +0.000116-0.000115	2459559.04535000±0.00102172 (BJD)
T_eq (K)	962±28	---	957±11	1114±34	---	212.67532950161547
b	0.42±0.04	---	0.12+0.10-0.08	0.33±0.14	---	---
R_p (R_⨁)	13.6±1.0	---	12.25±0.17	12.27±0.20	13.0463534279 +1.79705787954-1.03495615868	12.33083014838784±0.75270500000000
R_p (R_Jup)	1.21±0.09	---	1.093±0.015	1.095±0.018	1.163917694 +0.160322766-0.092332604	1.100084876440892±0.067151957893906
a (au)	0.068±0.001	---	0.0687±0.0005	0.0591±0.0034	---	---
δ (%)	1.557±0.002	---	1.28	---	---	1.44560192142442±0.03176754800000
T₁₄ (hours)	3.81±0.04	---	3.3	4.56±0.29	---	3.661702231205262±0.107870250000000
S (S_⨁)	204±10	---	---	188.5±7.7	---	0.4834921854375145
ω (deg)	90	---	---	98.880+3.850-4.160	---	---
M_p (M_⨁)	296±13	---	---	323.9±22.2	---	---
M_p (M_Jup)	0.93±0.04	---	---	1.019±0.070	---	---
e	0	---	---	0.120+0.056-0.046	---	---
ρ (g/cm³)	0.66±0.18	---	---	0.9630±0.0820	---	---
K (m/s)	104.1±2.7	---	---	111.2+7.6-7.3	---	---