K2-273 Overview

K2-273 0.84 R_⦿ 5200.00 K

K2-273 b

0.272 R_Jup

Overview Parameters Nearby Data Bibliography 13 Legend Expand All

K2-273 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
K2-273
K2-273 b	11.72 d	3.05 R_⨁	Transit	2018	Livingston et al. 2018	Confirmed Planet

K2-273 Stellar Parameters (10 Solutions)

RA: 08h39m06.45s

Dec: +19d00m36.02s

Distance: 308.105+2.980-2.923
pc

Parallax: 3.217000±0.030855 mas

Ecliptic Latitude: .5626 deg

Ecliptic Longitude: 127.22032 deg

Galactic Latitude: 31.96885 deg

Galactic Longitude: 206.52056 deg

Total Proper Motion: 32.8612984±0.0492590 mas/yr

Proper Motion (RA): -32.4197000±0.0496729 mas/yr

Proper Motion (Dec): -5.3691700±0.0305528 mas/yr

Photometry: m_V
13.246±0.080; m_TESS
12.5831±0.0061; m_J
11.811±0.021; m_H
11.372±0.023; m_Ks
11.300±0.022; m_Kep
13.131; m_W1
11.232±0.023; m_W2
11.297±0.022; m_W3
11.344±0.327; m_W4
8.291; m_Gaia
13.146100±0.000319; m_B
14.257±0.040; m_g
14.9882000±0.0054305; m_i
13.042900±0.002873; m_r
13.2153000±0.0015076; m_u
16.1587000±0.0072515; m_z
13.4481000±0.0058594

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	Livingston et al. 2018	Gaia DR2	Kruse et al. 2019	Yu et al. 2018	Petigura et al. 2018	Libralato et al. 2016	Barros et al. 2016	Pope et al. 2016
T_eff (K)	5161+53-47	5051.830+116.511-120.341	5200±67	5022.0000+41.6924-97.0000	---	5170±60	---	---	---	---
Metallicity (dex)	0.20±0.04 [Fe/H]	0.179±0.078 [M/H]	0.20±0.06 [Fe/H]	---	---	---	---	---	---	---
ρ_✶ (g/cm³)	---	1.8068193+0.4535397-0.4199915	0.037+0.018-0.014	---	---	---	---	---	---	---
M_✶ (M_⦿)	0.89±0.03	0.8430000+0.0945104-0.1015320	0.90±0.03	---	---	---	---	---	---	---
R_✶ (R_⦿)	0.85±0.02	0.8696800+0.0530362-0.0514362	0.84±0.01	0.8722978+0.0346990-0.0143051	0.872 +0.014-0.035	0.838±0.008	0.86	0.799	---	---
log g (log₁₀(cm/s²))	4.53±0.03	4.4851800+0.0777553-0.0906917	4.55±0.02	---	---	4.556±0.015	---	---	---	---
L_✶ (log₁₀(L_⦿))	---	-0.3527914+0.0159097-0.0135708	---	-0.3604689+0.0099254-0.0101576	---	---	---	---	---	---

K2-273 b Planetary Parameters (8 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	Livingston et al. 2018	Kruse et al. 2019	Yu et al. 2018	Petigura et al. 2018	Libralato et al. 2016	Pope et al. 2016	Barros et al. 2016
b	0.37+0.30-0.26	0.96+0.04-0.03	---	---	0.96 +0.06-0.04	---	0	---
P (days)	11.7195663+0.0000134-0.0000135	11.716332+0.001172-0.001198	11.71885±0.00060	11.722103	11.716603 +0.001173-0.001188	11.722228±0.000439	11.72	11.71571445
R_p/R_✶	0.0327+0.0025-0.0008	0.0484+0.0233-0.0050	0.0351 +0.0023-0.0056	---	0.0454 +0.0289-0.0043	0.0308±0.0002	0.032422	---
δ (%)	---	---	0.1434±0.0034	0.0958	---	0.1296±0.0055	0.1051	0.111±0.004
T₁₄ (hours)	---	---	4.87200+0.14400-0.24000	3.71040	5.19120+0.18960-0.36000	---	4.40592	4.35800+0.49100-0.49100
T_C (days)	2457149.0961619+0.0009530-0.0009911 (BJD)	2457149.10117+0.00377-0.00376 (BJD)	2457149.0999 +0.0020-0.0019 (BJD)	2458098.36820 (BJD)	2457149.10026 +0.003573-0.003716 (BJD)	2457149.084281±0.001422 (BJD)	2457149.097 (BJD)	2457149.106617 (BJD)
a/R_✶	18.49+1.24-3.62	6.48+1.15-0.77	16.9 +4.7-2.2	---	---	---	---	---
T_eq (K)	849+7-29	672±11	---	---	---	---	---	---
R_p (R_⨁)	3.05+0.23-0.12	4.42±1.28	3.34 +0.23-0.55	2.8	4.2 +2.7-0.4	2.7	---	---
R_p (R_Jup)	0.272+0.021-0.011	0.394±0.114	0.298 +0.021-0.049	.25	0.37 +0.24-0.04	0.240	---	---
a (au)	0.0729+0.0053-0.0141	0.0974±0.0011	---	---	---	---	---	---
i (deg)	---	---	---	---	---	90.00±0.09	---	---

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 (13 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
Sixty Validated Planets from K2 Campaigns 5-8
Livingston et al. 2018 Reference Overview
Gaia Data Release 2
Gaia DR2 Reference Overview
Planetary Candidates from K2 Campaign 16
Yu et al. 2018 Reference Overview
Planet Candidates from K2 Campaigns 5─8 and Follow-up Optical Spectroscopy
Petigura et al. 2018 Reference Overview
A PSF-based approach to Kepler/K2 data - II. Exoplanet candidates in Praesepe (M 44)
Libralato et al. 2016 Reference Overview
Transiting exoplanet candidates from K2 Campaigns 5 and 6
Pope et al. 2016 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

System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2

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