K2-253 Overview

K2-253 1.12 R_⦿ 5227.92 K

K2-253 b

1.130 R_Jup

Overview Parameters Nearby Data Bibliography 7 Legend Expand All

K2-253 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
K2-253
K2-253 b	4 d	12.67 R_⨁	Transit	2018	Livingston et al. 2018	Confirmed Planet

K2-253 Stellar Parameters (4 Solutions)

RA: 12h24m20.47s

Dec: -06d22m44.23s

Distance: 876.565+28.779-27.037
pc

Parallax: 1.1121300±0.0360414 mas

Ecliptic Latitude: -3.44147 deg

Ecliptic Longitude: 188.10812 deg

Galactic Latitude: 55.85724 deg

Galactic Longitude: 290.87617 deg

Total Proper Motion: 23.2994939±0.0688234 mas/yr

Proper Motion (RA): -18.5921000±0.0789632 mas/yr

Proper Motion (Dec): -14.0428000±0.0459342 mas/yr

Photometry: m_V
15.002±0.149; m_TESS
14.1768±0.0077; m_J
13.492±0.026; m_H
13.097±0.037; m_Ks
12.947±0.033; m_Kep
14.665; m_W1
12.904±0.024; m_W2
12.941±0.028; m_W3
12.348±0.483; m_W4
9.029; m_Gaia
14.704200±0.000415; m_B
15.806±0.079

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	Gaia DR2	Livingston et al. 2018	ExoFOP
T_eff (K)	5318.0±122.0	5227.915+249.000-206.263	6027+221-240	5318±122
L_✶ (log₁₀(L_⦿))	-0.07151781	-0.077382979+0.031590328-0.034069718	---	---
R_✶ (R_⦿)	1.08492	1.1150751+0.0934839-0.0990858	1.10±0.04	1.08492004871368
Metallicity (dex)	---	---	-0.0+0.2-0.2 [Fe/H]	---
M_✶ (M_⦿)	0.92	---	1.08+0.05-0.08	---
log g (log₁₀(cm/s²))	4.33106	---	4.39+0.03-0.05	4.33106
ρ_✶ (g/cm³)	1.0156924	---	---	---

K2-253 b Planetary Parameters (2 Solutions)

Status: Confirmed Planet

Detected By: Transit

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

Source	Livingston et al. 2018	ExoFOP
T_eq (K)	1238+57-53	1115.41422214137
S (S_⨁)	---	365.818540292479
P (days)	4.00167±0.00013	4.00357732993897±0.00088797754000
R_p (R_⨁)	12.67+0.69-0.61	12.9627878525774±1.9405705000000
R_p (R_Jup)	1.130+0.062-0.054	1.15646446358654±0.17312640211790
δ (%)	1.259	1.42738513136905±0.11394954000000
T₁₄ (hours)	2.1	2.09581532830142±0.29475176000000
T_C (days)	2457583.9993+0.0013-0.0014 (BJD)	2459552.70728600±0.00368175 (BJD)
a/R_✶	13.9+0.8-2.0	---
b	0.34+0.26-0.23	---
R_p/R_✶	0.1050+0.0046-0.0024	---
a (au)	0.0506+0.0010-0.0011	---

Nearby Data (within 30 arcseconds) Browse Nearby Data

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

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

Bibliography (7 References)

The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
Gaia Data Release 2
Gaia DR2 Reference Overview
44 Validated Planets from K2 Campaign 10
Livingston et al. 2018 Reference Overview
ExoFOP TOI Table
ExoFOP
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

Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2

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