EPIC 211822797 Overview

EPIC 211822797 0.64 R_⦿ 3797.00 K

EPIC 211822797 b

0.171 R_Jup

Overview Notes 1 Parameters Nearby Data Bibliography 12 Legend Expand All

EPIC 211822797 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
EPIC 211822797
EPIC 211822797 b	21.17 d	1.92 R_⨁	Transit	2016	Mann et al. 2017	Confirmed Planet

Exoplanet Archive Notes (1)

EPIC 211822797 b

Planet parameter values drawn from Table 3, "External stellar density prior" model in ref. (Mann et al. 2017)

EPIC 211822797 Stellar Parameters (9 Solutions)

RA: 08h41m38.45s

Dec: +17d38m23.91s

Distance: 186.1970±1.3645 pc

Parallax: 5.3420900±0.0390588 mas

Ecliptic Latitude: -.60769 deg

Ecliptic Longitude: 128.15245 deg

Galactic Latitude: 32.03739 deg

Galactic Longitude: 208.28299 deg

Total Proper Motion: 37.9241885±0.0626295 mas/yr

Proper Motion (RA): -36.1698000±0.0647034 mas/yr

Proper Motion (Dec): -11.4013000±0.0355638 mas/yr

Photometry: m_V
15.133±0.160; m_TESS
13.5357000±0.0073603; m_J
12.277±0.025; m_H
11.605±0.034; m_Ks
11.429±0.018; m_Kep
14.568; m_W1
11.341±0.022; m_W2
11.349±0.021; m_W3
11.503±0.327; m_W4
8.436; m_Gaia
14.526300±0.000323; m_B
16.708±0.072; m_g
16.0775000±0.0042864; m_i
14.2621000±0.0013171; m_r
14.660900±0.004478; m_u
18.7883000±0.0173117; m_z
13.5182000±0.0048475

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	Castro-González et al. 2022	TICv8	Gaia DR2	Dressing et al. 2017	Mann et al. 2017	Luo et al. 2018	Kruse et al. 2019	Rizzuto et al. 2017	Barros et al. 2016
T_eff (K)	4057+37-39	3811.0±157.0	3797.00+172.46-57.50	4148.209473+82.405815-80.214912	3880±67	---	---	---	---
L_✶ (log₁₀(L_⦿))	---	-1.16914+0.08829-0.11094	-1.112732+0.007216-0.007338	---	-1.15+0.01-0.01	---	---	---	---
R_✶ (R_⦿)	0.58±0.01	0.5970440±0.0177961	0.64180833+0.01988920-0.05455740	0.571699+0.027287-0.027283	0.59±0.03	---	0.642 +0.055-0.020	---	---
Metallicity (dex)	0.20+0.05-0.07 [Fe/H]	---	---	---	0.14±0.04 [Fe/H]	---	---	---	---
γ (km/s)	---	---	---	---	34.85±0.17	---	---	---	---
v sin i (km/s)	---	---	---	---	<2.6	---	---	---	---
Age (Gyr)	---	---	---	---	0.790±0.030	---	---	---	---
ρ_✶ (g/cm³)	---	3.8797151±0.2126511	---	---	4.20+0.55-0.56	---	---	---	---
M_✶ (M_⦿)	0.62±0.02	0.5856710±0.0203169	---	0.663459±0.066346	0.61±0.02	---	---	---	---
P_rot (days)	---	---	---	---	14.6±1.1	---	---	---	---
Sp. T	---	---	---	---	---	M0	---	---	---
log g (log₁₀(cm/s²))	4.70±0.01	4.653710±0.010826	---	---	---	---	---	---	---

EPIC 211822797 b Planetary Parameters (6 Solutions)

Status: Confirmed Planet

Detected By: Transit

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

Source	Castro-González et al. 2022	Dressing et al. 2017	Mann et al. 2017	Kruse et al. 2019	Rizzuto et al. 2017	Barros et al. 2016
a/R_✶	44.37+3.58-9.35	48.67+2.04-2.15	46.7+9.8-4.5	41.9 +11.1-5.3	---	---
T_eq (K)	431+4-17	---	---	---	---	---
b	0.38+0.30-0.27	---	0.38+0.33-0.26	---	---	---
P (days)	21.1701963+0.0000662-0.0000642	21.169861+0.001725-0.001695	21.169619+0.001665-0.001729	21.1686±0.0021	21.1595	21.17623917
R_p (R_⨁)	1.92+0.12-0.07	1.98±0.11	2.2+0.2-0.1	2.18 +0.22-0.23	---	---
R_p (R_Jup)	0.171+0.011-0.006	0.177±0.010	0.20+0.02-0.01	0.194 +0.020-0.021	---	---
R_p/R_✶	0.0303+0.0019-0.0010	0.031824+0.001016-0.000969	0.0336+0.0023-0.0013	0.0311 +0.0018-0.0032	---	---
a (au)	0.1195+0.0100-0.0251	0.131+0.004-0.005	---	---	---	---
T_C (days)	2457144.4052567+0.0022025-0.0022530 (BJD)	2457165.577±0.002 (BJD)	2457123.23803+0.00443-0.00430 (BJD)	2457144.4069 +0.0036-0.0034 (BJD)	2457123.30565 (BJD)	2457144.419434 (BJD)
S (S_⨁)	---	3.5±0.5	---	---	---	---
ω (deg)	---	-21.5100000+137.3197710-119.8417390	0.00+156.00-67.00	---	---	---
e	---	0.0600000+0.1359700-0.0487050	0.18+0.27-0.15	---	---	---
i (deg)	---	89.73+0.19-0.22	89.5+0.3-0.4	---	---	---
δ (%)	---	---	---	0.1041 +0.0063-0.0067	0.06	0.071±0.013
T₁₄ (hours)	---	---	3.20+0.60-1.02	3.57600+0.16800-0.19200	---	2.00800+1.20300-1.20300

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 (12 References)

The K2-OjOS Project: New and revisited planets and candidates in K2 campaigns 5, 16, & 18
Castro-González et al. 2022 Reference Overview
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
Gaia Data Release 2
Gaia DR2 Reference Overview
Zodiacal Exoplanets in Time (ZEIT). V. A Uniform Search for Transiting Planets in Young Clusters Observed by K2
Rizzuto et al. 2017 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
Zodiacal Exoplanets in Time (ZEIT). IV. Seven Transiting Planets in the Praesepe Cluster
Mann et al. 2017 Reference Overview
New planetary and eclipsing binary candidates from campaigns 1-6 of the K2 mission
Barros 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
All WISE Data Release
Cutri et al. 2014 Reference Overview
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview
LAMOST DR4 catalogs
Luo et al. 2018 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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