K2-203 Overview

K2-203 0.78 R_⦿ 4956.93 K

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EPIC 220170303.02

0.105 R_Jup

K2-203 b

0.122 R_Jup

Overview System Parameters Nearby Data Legend

Architecture: K2-203; K2-203

Other Data: Bibliography 7; Nearby Data 5

Discovery Data

Host	Planet	Method	Year	Reference	Disposition
K2-203	EPIC 220170303.02	Transit	2019	Kruse et al. 2019	Candidate Planet
K2-203	K2-203 b	Transit	2018	Mayo et al. 2018	Confirmed Planet

K2-203 Stellar Parameters (5 Solutions)

RA: 00h51m05.69s

Dec: -01d11m45.18s

Distance: 166.147+1.572-1.543
pc

Parallax: 5.9905700±0.0560082 mas

Ecliptic Latitude: -6.14691 deg

Ecliptic Longitude: 11.2818 deg

Galactic Latitude: -64.0675 deg

Galactic Longitude: 122.7358 deg

Total Proper Motion: 11.2473261±0.0958135 mas/yr

Proper Motion (RA): -11.2312000±0.0959066 mas/yr

Proper Motion (Dec): 0.6020720±0.0544639 mas/yr

Photometry: m_V
12.391±0.069; m_TESS
11.5474±0.0060; m_J
10.773±0.024; m_H
10.281±0.026; m_Ks
10.206±0.023; m_Kep
12.114; m_W1
10.145±0.023; m_W2
10.217±0.020; m_W3
10.100±0.083; m_W4
8.659; m_Gaia
12.121900±0.000271; m_B
13.262±0.040; m_g
13.0329000±0.0012587; m_i
11.9231000±0.0008177; m_r
12.1490000±0.0010816; m_u
15.68520±0.00745; m_z
12.0061000±0.0030231

Mission: K2 : Observed in Campaign 8

Tools: ExoFOP Target Overview Page; IRSA Finding Chart; K2 Names; K2 Planets and Candidates; K2 Targets; Stellar Hosts; K2 Time Series

Source	TICv8	Gaia DR2	Mayo et al. 2018	Kruse et al. 2019	Kruse et al. 2019	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eff (K)	5028.000+133.615-118.177	4956.9330+153.0370-83.8363	5000.0±50.0	---	---
L_✶ (log₁₀(L_⦿))	-0.4748284+0.0155017-0.0148368	-0.48462513+0.00539318-0.00546101	---	---	---
γ (km/s)	---	20.19050016882094±0.57179955857405	---	---	---
R_✶ (R_⦿)	0.7628650+0.0547040-0.0401704	0.77609336+0.02693340-0.04578980	0.762994 +0.029937-0.024120	0.776 +0.046-0.027	0.776 +0.046-0.027
Metallicity (dex)	---	---	-0.07±0.08 [Fe/H]	---	---
M_✶ (M_⦿)	0.836000+0.101143-0.101238	---	0.793531 +0.032511-0.027674	---	---
log g (log₁₀(cm/s²))	4.5953800+0.0952352-0.0839576	---	4.43±0.1	---	---
ρ_✶ (g/cm³)	2.6547734+0.6904526-0.7127476	---	---	---	---

K2-203 b Planetary Parameters (2 Solutions)

Status: Confirmed Planet
Detected By: Transit

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

Source	Mayo et al. 2018	Kruse et al. 2019	Show Candidate Solutions >>	<< Hide Candidate Solutions
a/R_✶	19.031555 +3.773746-8.456554	18.1 +7.2-3.3
i (deg)	88.430468 +1.151653-3.258172	---
P (days)	9.695101 +0.001285-0.001334	9.6897 +0.0017-0.0014
R_p (R_⨁)	1.37068602469 +0.275488616097-0.120681619072	1.37 +0.13-0.26
R_p (R_Jup)	0.1222844165 +0.0245774481-0.0107664929	0.122 +0.012-0.023
R_p/R_✶	0.016470 +0.003246-0.001353	0.0162 +0.0012-0.0030
T_C (days)	2457396.63878 +0.005765-0.005844	2457396.6577 +0.0048-0.0056
δ (%)	---	0.0284±0.0017
T₁₄ (hours)	---	3.55200+0.21600-0.33600

EPIC 220170303.02 Candidate Planet Parameters (1 Solutions)

Status: Candidate Planet
Detected By: Transit

Tools: Transit Prediction Service; K2 Planets and Candidates

Source	Kruse et al. 2019
a/R_✶	15.6 +10.5-4.3
P (days)	4.9234 +0.0011-0.0012
R_p (R_⨁)	1.18 +0.16-0.61
R_p (R_Jup)	0.105 +0.014-0.054
R_p/R_✶	0.0140 +0.0017-0.0072
δ (%)	0.021 +0.0021-0.0022
T₁₄ (hours)	2.01600+0.28800-0.40800
T_C (days)	2457396.4093 +0.0077-0.0080

Nearby Data (5 Data Types within 30 arcseconds)

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)

System

Star

Confirmed

Candidate

False Positive Planet

Controversial

False Positive

Aliases

Data Access

Transit Prediction Service

Time Series

Kepler | K2

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