K2-171 Overview

K2-171 2.38 R_⦿ 5037.00 K

K2-171 b

0.240 R_Jup

Overview Parameters Nearby Data Bibliography 8 Legend Expand All

K2-171 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
K2-171
K2-171 b	5.63 d	2.69 R_⨁	Transit	2018	Mayo et al. 2018	Confirmed Planet

K2-171 Stellar Parameters (5 Solutions)

RA: 22h09m21.79s

Dec: -13d25m43.90s

Distance: 606.128+18.747-17.673
pc

Parallax: 1.6222900±0.0491548 mas

Ecliptic Latitude: -1.91805 deg

Ecliptic Longitude: 329.53695 deg

Galactic Latitude: -49.81476 deg

Galactic Longitude: 44.59738 deg

Total Proper Motion: 9.0632341±0.0836960 mas/yr

Proper Motion (RA): -8.9460000±0.0836736 mas/yr

Proper Motion (Dec): 1.4530300±0.0845415 mas/yr

Photometry: m_V
12.745±0.092; m_TESS
11.8767±0.0074; m_J
11.101±0.024; m_H
10.614±0.023; m_Ks
10.529±0.025; m_Kep
12.445; m_W1
10.459±0.023; m_W2
10.522±0.020; m_W3
10.420±0.093; m_W4
8.898; m_Gaia
12.438600±0.000215; m_B
13.536±0.029

Mission: K2 : Observed in Campaign 3

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	Gaia DR2	Mayo et al. 2018	Kruse et al. 2019	Vanderburg et al. 2016
T_eff (K)	5153.0±122.0	5037.000+19.000-39.445	5250.0±50.0	---	5032
L_✶ (log₁₀(L_⦿))	---	0.51583352+0.01779322-0.01855347	---	---	---
γ (km/s)	---	-9.9710055292107036±1.4591354924979136	---	---	---
R_✶ (R_⦿)	2.31392	2.3780750+0.0376874-0.0178398	1.717458 +0.221392-0.193599	2.378 +0.018-0.038	0.77
Metallicity (dex)	---	---	-0.09±0.08 [Fe/H]	---	---
M_✶ (M_⦿)	---	---	0.891587 +0.060192-0.027038	---	---
log g (log₁₀(cm/s²))	---	---	3.95±0.1	---	---

K2-171 b Planetary Parameters (3 Solutions)

Status: Confirmed Planet

Detected By: Transit

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

Source	Mayo et al. 2018	Kruse et al. 2019	Vanderburg et al. 2016
a/R_✶	5.470213 +0.699784-2.090426	4.4 +2.1-1.1	---
P (days)	5.628466 +0.001731-0.001519	5.6228 +0.0017-0.0013	5.6315915
R_p (R_⨁)	2.68657205385 +0.400238334849-0.331539468686	3.71 +0.32-0.91	1.23
R_p (R_Jup)	0.2396799049 +0.0357068726-0.0295779703	0.331 +0.029-0.081	0.110
R_p/R_✶	0.014341 +0.001071-0.000720	0.0143 +0.0012-0.0035	0.01372
δ (%)	---	0.0219±0.0013	0.0217
T₁₄ (hours)	---	8.20800+0.62400-1.44000	6.71000
T_C (days)	2456979.46712 +0.007142-0.007098	2456979.4938 +0.0134-0.0080 (BJD)	2456979.452 (BJD)
b	---	---	0.54
i (deg)	85.048211 +3.650327-9.640885	---	---

Nearby Data (within 30 arcseconds) Browse Nearby Data

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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)

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
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10
Mayo et al. 2018 Reference Overview
The K2 Ecliptic Plane Input Catalog (EPIC) and Stellar Classifications of 138,600 Targets in Campaigns 1-8
EPIC Catalog Reference Overview
Planetary Candidates from the First Year of the K2 Mission
Vanderburg et al. 2016 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

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Transit Prediction Service
Time Series
Kepler | K2

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