K2-208 Overview

K2-208 0.87 R_⦿ 5500.00 K

K2-208 b

0.149 R_Jup

Overview System Parameters Nearby Data Legend

Architecture: K2-208; K2-208

Other Data: Bibliography 8; Nearby Data 5

Discovery Data

Host	Planet	Method	Year	Reference	Disposition
K2-208	K2-208 b	Transit	2018	Mayo et al. 2018	Confirmed Planet

K2-208 Stellar Parameters (5 Solutions)

RA: 01h23m06.96s

Dec: +00d53m20.43s

Distance: 256.887+3.221-3.144
pc

Parallax: 3.8645100±0.0478641 mas

Ecliptic Latitude: -7.28846 deg

Ecliptic Longitude: 19.52754 deg

Galactic Latitude: -60.96448 deg

Galactic Longitude: 139.4218 deg

Total Proper Motion: 47.3817757±0.0772210 mas/yr

Proper Motion (RA): -26.3462000±0.0817161 mas/yr

Proper Motion (Dec): -39.3816000±0.0751221 mas/yr

Photometry: m_V
12.577±0.092; m_TESS
11.8333±0.0064; m_J
11.164±0.026; m_H
10.824±0.022; m_Ks
10.746±0.019; m_Kep
12.302; m_W1
10.697±0.022; m_W2
10.739±0.021; m_W3
10.645±0.089; m_W4
8.617; m_Gaia
12.313500±0.000279; m_B
13.227±0.043; m_g
12.8814000±0.0012326; m_i
14.696400±0.010921; m_r
12.3448000±0.0010021; m_u
15.3656000±0.0084563; m_z
13.443300±0.006601

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	Thygesen et al. 2023	TICv8	Gaia DR2	Mayo et al. 2018	Kruse et al. 2019	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eff (K)	5500.0±100.0	5529.000+124.066-127.199	5412.000+679.928-144.750	5582.0±50.0	---
L_✶ (log₁₀(L_⦿))	-0.201+0.018-0.018	-0.2093312+0.0153137-0.0154555	-0.2138930+0.0074136-0.0075423	---	---
Metallicity (dex)	-0.0640±0.0540 [Fe/H]	---	---	-0.11±0.08 [Fe/H]	---
Age (Gyr)	6.10+4.80-4.10	---	---	---	---
ρ_✶ (g/cm³)	1.88+0.24-0.23	2.1769833+0.6356738-0.3552833	---	---	---
M_✶ (M_⦿)	0.881+0.045-0.042	0.9700000+0.1404300-0.1031790	---	0.925184 +0.029876-0.030027	---
R_✶ (R_⦿)	0.872+0.033-0.030	0.8564340+0.0547653-0.0346518	0.889181850+0.049542900-0.187409000	0.862368 +0.034372-0.030095	0.889 +0.187-0.050
log g (log₁₀(cm/s²))	4.503+0.040-0.042	4.5594500+0.0749081-0.0855109	---	4.62±0.1	---
γ (km/s)	---	---	11.585431430445105±0.793646208463018	---	---

K2-208 b Planetary Parameters (3 Solutions)

Status: Confirmed Planet
Detected By: Transit

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

Source	Thygesen et al. 2023	Mayo et al. 2018	Kruse et al. 2019	Show Candidate Solutions >>	<< Hide Candidate Solutions
a/R_✶	12.03+0.50-0.51	14.156898 +2.132162-4.003238	12.8 +5.8-2.3
i (deg)	86.94+1.80-0.76	88.043139 +1.375763-2.501505	---
P (days)	4.19097±0.00023	4.190948 +0.000230-0.000248	4.19121±0.00027
R_p (R_⨁)	1.675+0.123-0.092	1.67866112608 +0.16479098309-0.124838346007	1.75 +0.40-0.49
R_p (R_Jup)	0.1494+0.0110-0.0082	0.1497601147 +0.0147016668-0.0111373313	0.156 +0.04-0.044
R_p/R_✶	0.01757+0.00110-0.00073	0.017846 +0.001601-0.001172	0.0180 +0.0017-0.0050
T_C (days)	2457430.0390±0.0016	2457396.51164 +0.002480-0.002349	2457392.3184 +0.0033-0.0032
T_eq (K)	1122.0+15.0-14.0	---	---
b	0.49+0.24-0.33	---	---
ω (deg)	-210.0+160.0-110.0	---	---
e	0.37+0.31-0.21	---	---
a (au)	0.04878+0.00082-0.00079	---	---
δ (%)	0.0309+0.0039-0.0025	---	0.0365 +0.0021-0.0022
T₁₄ (hours)	1.9440+0.0864-0.0840	---	2.18400+0.16800-0.24000

Nearby Data (5 Data Types within 30 arcseconds)

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

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

Bibliography (8 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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