K2-271 Overview

K2-271 0.93 R_⦿ 5744.50 K

K2-271 b

0.649 R_Jup

Overview System Parameters Nearby Data Legend

Architecture: K2-271; K2-271

Other Data: Bibliography 11; Nearby Data 6

Discovery Data

Host	Planet	Method	Year	Reference	Disposition
K2-271	K2-271 b	Transit	2018	Livingston et al. 2018	Confirmed Planet

K2-271 Stellar Parameters (8 Solutions)

RA: 08h20m53.74s

Dec: +16d05m26.86s

Distance: 564.454±13.700 pc

Parallax: 1.7433500±0.0426635 mas

Ecliptic Latitude: -3.32077 deg

Ecliptic Longitude: 123.71439 deg

Galactic Latitude: 26.8561 deg

Galactic Longitude: 207.78938 deg

Total Proper Motion: 35.9003470±0.0375323 mas/yr

Proper Motion (RA): 9.7383400±0.0678635 mas/yr

Proper Motion (Dec): -34.5543000±0.0339818 mas/yr

Photometry: m_V
13.845±0.103; m_TESS
13.2027±0.0073; m_J
12.555±0.023; m_H
12.203±0.022; m_Ks
12.154±0.022; m_Kep
13.640; m_W1
12.101±0.023; m_W2
12.152±0.024; m_W3
12.171±0.402; m_W4
8.423; m_Gaia
13.658200±0.000234; m_B
14.488±0.052; m_g
14.5977000±0.0044646; m_i
13.6758000±0.0027201; m_r
13.8071000±0.0032567; m_u
15.6574000±0.0056077; m_z
13.6506000±0.0055668

Mission: K2 : Observed in Campaigns 5, 18

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

Source	TICv8	Livingston et al. 2018	Gaia DR2	Kruse et al. 2019	Petigura et al. 2018	ExoFOP-TESS TOI	Pope et al. 2016	Barros et al. 2016	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eff (K)	5545.28±88.61	5644±71	5744.5+236.5-163.5	---	---	5545.3±88.6	---	---
L_✶ (log₁₀(L_⦿))	-0.04982244	---	-0.07329596+0.02332021-0.02464384	---	---	---	---	---
R_✶ (R_⦿)	1.02304	0.990±0.030	0.92789793+0.05516340-0.07193090	0.928 +0.072-0.055	0.83	1.02	---	---
Metallicity (dex)	-0.422±0.086 [M/H]	-0.30±0.05 [Fe/H]	---	---	---	---	---	---
ρ_✶ (g/cm³)	1.2903520	2.284+0.467-0.409	---	---	---	---	---	---
M_✶ (M_⦿)	0.98	0.83±0.03	---	---	---	---	---	---
log g (log₁₀(cm/s²))	4.4095	4.37±0.03	---	---	---	4.41	---	---

K2-271 b Planetary Parameters (6 Solutions)

Status: Confirmed Planet
Detected By: Transit

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

Source	Livingston et al. 2018	Kruse et al. 2019	Petigura et al. 2018	ExoFOP-TESS TOI	Pope et al. 2016	Barros et al. 2016	Show Candidate Solutions >>	<< Hide Candidate Solutions
a/R_✶	20.69+0.88-1.98	20.80 +1.73-0.71	---	---	---	---
P (days)	8.562421±0.000127	8.56222 +0.00019-0.00013	8.562405 +0.000125-0.000124	8.5623265±0.0000025	8.562	8.56394776
R_p (R_⨁)	7.28±0.23	6.89 +0.55-0.49	6.0 +0.4-0.3	7.63717	---	---
R_p (R_Jup)	0.649±0.021	0.615 +0.049-0.044	0.54 +0.04-0.03	0.681344	---	---
R_p/R_✶	0.0674+0.0016-0.0008	0.0681 +0.0011-0.0027	0.0665 +0.0018-0.0007	---	0.06768	---
δ (%)	---	0.5513 +0.0043-0.0041	---	0.56080000±0.00557646	0.4581	0.524±0.012
T₁₄ (hours)	---	3.25680+0.03840-0.04320	3.24000+0.03120-0.01920	3.180±0.067	2.97504	3.51000+0.09800-0.09800
T_C (days)	2457149.71271±0.00053	2457141.15021±0.00043	2457149.71272 +0.000486-0.000479	2460274.962182±0.000751	2457141.15	2457149.70957
T_eq (K)	893±17	---	---	842	---	---
S (S_⨁)	---	---	---	83.4514	---	---
b	0.30+0.21-0.20	---	0.23 +0.19-0.16	---	0.109	---
a (au)	0.0770+0.0008-0.0009	---	---	---	---	---

Nearby Data (6 Data Types within 30 arcseconds)

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

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

Bibliography (11 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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