K2-124 Overview

K2-124 0.34 R_⦿ 3560.70 K

K2-124 b

0.259 R_Jup

Overview Notes 1 Parameters Nearby Data Bibliography 11 Legend Expand All

K2-124 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
K2-124
K2-124 b	6.41 d	2.9 R_⨁	Transit	2017	Dressing et al. 2017	Confirmed Planet

Exoplanet Archive Notes (1)

K2-124 b

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

K2-124 Stellar Parameters (9 Solutions)

RA: 08h54m33.85s

Dec: +23d07m58.62s

Distance: 140.385+1.320-1.296
pc

Parallax: 7.095270±0.065856 mas

Ecliptic Latitude: 5.49338 deg

Ecliptic Longitude: 129.60746 deg

Galactic Latitude: 36.72574 deg

Galactic Longitude: 203.23147 deg

Total Proper Motion: 32.7273697±0.0971539 mas/yr

Proper Motion (RA): -30.274100±0.101159 mas/yr

Proper Motion (Dec): 12.4322000±0.0687673 mas/yr

Photometry: m_V
16.692±0.183; m_TESS
14.2787000±0.0074632; m_J
12.838±0.023; m_H
12.227±0.022; m_Ks
11.975±0.018; m_Kep
15.105; m_W1
11.846±0.023; m_W2
11.704±0.022; m_W3
11.448±0.250; m_W4
8.916; m_Gaia
15.46180±0.00053; m_B
18.427±0.163; m_g
17.3547000±0.0051925; m_i
14.7601000±0.0046007; m_r
15.9066000±0.0044326; m_u
20.0203000±0.0421491; m_z
14.1469000±0.0046973

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	TICv8	Livingston et al. 2019	Livingston et al. 2018	Gaia DR2	Dressing et al. 2017	Kruse et al. 2019	Yu et al. 2018	Petigura et al. 2018	Pope et al. 2016
T_eff (K)	3471.0±157.0	3570+63-70	3560±51	3358.00+235.75-28.00	3560.697266+86.881973-84.270401	---	3620±80	---	---
M_✶ (M_⦿)	0.4020510±0.0204609	0.390+0.013-0.042	0.43±0.01	---	0.436372+0.054435-0.062281	---	---	---	---
R_✶ (R_⦿)	0.409400±0.012444	0.388+0.016-0.009	0.41±0.01	---	0.344292+0.030011-0.029800	0.299 +0.076-0.060	0.394±0.010	0.35	---
Metallicity (dex)	---	0.0230+0.0610-0.1060 [Fe/H]	-0.080±0.140 [Fe/H]	---	---	---	---	---	---
ρ_✶ (g/cm³)	8.2604402±0.3328501	9.580+0.470-2.120	11.050+3.805-3.111	---	---	---	---	---	---
log g (log₁₀(cm/s²))	4.8180500±0.0042886	4.858+0.012-0.088	4.85±0.01	---	---	---	4.863±0.014	---	---
L_✶ (log₁₀(L_⦿))	-1.65919+0.09447-0.12090	---	---	---	---	---	---	---	---

K2-124 b Planetary Parameters (7 Solutions)

Status: Confirmed Planet

Detected By: Transit

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

Source	Livingston et al. 2019	Livingston et al. 2018	Dressing et al. 2017	Kruse et al. 2019	Yu et al. 2018	Petigura et al. 2018	Pope et al. 2016
a/R_✶	28.0+1.5-1.7	28.85+2.10-4.33	30.09+2.39-2.70	29.8 +5.7-2.6	---	---	---
P (days)	6.413651+0.000036-0.000031	6.413766+0.000301-0.000303	6.413539+0.000252-0.000258	6.41362±0.00016	6.414008	6.413718 +0.000296-0.000292	6.414
R_p (R_⨁)	2.9±0.1	3.03±0.12	2.64±0.24	2.36 +0.61-0.49	2.9	2.6 +1.1-1.0	---
R_p (R_Jup)	0.26±0.01	0.270±0.011	0.236±0.021	0.211 +0.054-0.044	.26	0.23 +0.10-0.09	---
R_p/R_✶	0.069±0.002	0.0678+0.0027-0.0021	0.070444+0.001959-0.001659	0.0723 +0.0029-0.0039	---	0.0676 +0.0070-0.0027	0.068141
δ (%)	---	---	---	0.553±0.016	0.4614	---	0.4643
T₁₄ (hours)	1.7±0.0	---	---	1.64880+0.06240-0.07920	1.67760	1.74960+0.08880-0.06960	1.52112
T_C (days)	2457142.18106+0.00105-0.00107 (BJD)	2457142.18031+0.00201-0.00195 (BJD)	2457142.183±0.002 (BJD)	2457142.18149 +0.00096-0.00094 (BJD)	2458097.81383 (BJD)	2457142.18061 +0.001985-0.002016 (BJD)	2457142.181 (BJD)
T_eq (K)	442±17	445±8	---	---	---	---	---
b	0.47+0.10-0.14	0.33+0.27-0.23	---	---	---	0.36 +0.29-0.25	0.102
a (au)	0.049±0.002	0.0510±0.0004	0.051+0.002-0.003	---	---	---	---
i (deg)	89.03+0.32-0.27	---	89.51+0.34-0.44	---	---	---	---
S (S_⨁)	---	---	8.7+1.2-1.1	---	---	---	---
ω (deg)	---	---	-26.8000000+137.5335170-110.8237920	---	---	---	---
e	---	---	0.0800000+0.1551900-0.0666300	---	---	---	---

Nearby Data (within 30 arcseconds) Browse Nearby Data

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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 (11 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
Spitzer Transit Follow-up of Planet Candidates from the K2 Mission
Livingston 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
Planetary Candidates from K2 Campaign 16
Yu et al. 2018 Reference Overview
Planet Candidates from K2 Campaigns 5─8 and Follow-up Optical Spectroscopy
Petigura et al. 2018 Reference Overview
Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. II. Planetary Systems Observed During Campaigns 1-7
Dressing et al. 2017 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
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview

System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2

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