K2-44 Overview

K2-44 1.62 R_⦿ 5812.50 K

K2-44 b

0.217 R_Jup

Overview Parameters Nearby Data Bibliography 11 Legend Expand All

K2-44 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
K2-44
K2-44 b	5.66 d	2.43 R_⨁	Transit	2016	Crossfield et al. 2016	Confirmed Planet

K2-44 Stellar Parameters (8 Solutions)

RA: 11h36m02.80s

Dec: -02d31m15.36s

Distance: 476.703+10.202-9.791
pc

Parallax: 2.0695800±0.0436449 mas

Ecliptic Latitude: -4.69279 deg

Ecliptic Longitude: 175.50002 deg

Galactic Latitude: 55.22474 deg

Galactic Longitude: 268.46993 deg

Total Proper Motion: 14.0778353±0.0612612 mas/yr

Proper Motion (RA): 6.4846300±0.0797592 mas/yr

Proper Motion (Dec): -12.4954000±0.0552303 mas/yr

Photometry: m_V
12.270±0.069; m_TESS
11.5968±0.0066; m_J
11.018±0.026; m_H
10.696±0.022; m_Ks
10.693±0.024; m_Kep
12.126; m_W1
10.635±0.024; m_W2
10.685±0.022; m_W3
10.748±0.116; m_W4
8.453; m_Gaia
12.023800±0.000293; m_B
12.783±0.036

Abundances (Hypatia Catalog): [Fe/H] 0.13±0.04 dex; [C/H] 0.10±0.09 dex; [O/H] 0.09±0.09 dex; [Na/H] -0.02±0.04 dex; [Mg/H] 0.09±0.07 dex; [Al/H] 0.00±0.06 dex; [Si/H] 0.10±0.05 dex; [Ca/H] 0.14±0.06 dex; [Y/H] 0.15±0.08 dex

Mission: K2 : Observed in Campaign 1

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

Source	del Ser & Fors 2020	TICv8	Gaia DR2	Mayo et al. 2018	Crossfield et al. 2016	Kruse et al. 2019	Vanderburg et al. 2016	Montet et al. 2015
T_eff (K)	5912±51	5795.0000+88.6688-121.9320	5812.5000+50.5000-53.1665	5722.0±50.0	5912±51	---	5840	5989 +100-81
L_✶ (log₁₀(L_⦿))	---	0.4460069+0.0180277-0.0293023	0.42967554+0.01286362-0.01325631	---	---	---	---	---
γ (km/s)	---	---	47.458911642868905±0.997520252742916	---	---	---	---	---
R_✶ (R_⦿)	1.58±0.15	1.6578700+0.0659849-0.0913518	1.6172028+0.0299958-0.0277391	1.561446 +0.255936-0.194060	1.58±0.15	1.617 +0.028-0.030	1.03	1.09 +0.20-0.11
Metallicity (dex)	0 [Fe/H]	0.13±0.10 [M/H]	---	0.04±0.08 [Fe/H]	---	---	---	-0.02 +0.15-0.18 [Fe/H]
M_✶ (M_⦿)	1.150±0.060	1.040000+0.133043-0.106384	---	1.049582 +0.068180-0.044860	1.150±0.060	---	---	---
log g (log₁₀(cm/s²))	4.101±0.063	4.0160000+0.0761797-0.0716459	---	4.02±0.1	4.101±0.063	---	---	---
ρ_✶ (g/cm³)	---	0.3217745+0.0725157-0.0601956	---	---	---	---	---	---

K2-44 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	del Ser & Fors 2020	Mayo et al. 2018	Crossfield et al. 2016	Kruse et al. 2019	Vanderburg et al. 2016	Montet et al. 2015
a/R_✶	---	9.377576 +0.921681-2.266163	---	9.1 +2.4-1.1	---	12.94±4.07
P (days)	5.6570±0.0002	5.656304 +0.000366-0.000323	5.65688±0.00059	5.65621 +0.00026-0.00027	5.6562560	5.65706±0.00079
R_p (R_⨁)	2.433+0.089-0.072	2.93920584211 +0.496465103254-0.376603037856	2.72±0.32	3.13 +0.13-0.30	2.08	2.16±0.57
R_p (R_Jup)	0.2171+0.0079-0.0064	0.2622183818 +0.0442916499-0.0335982726	0.243±0.029	0.279 +0.012-0.03	0.186	0.193±0.051
R_p/R_✶	0.0141+0.0005-0.0004	0.017257 +0.000704-0.000538	0.0156±0.0012	0.01775 +0.00066-0.00165	0.01714	---
δ (%)	---	---	---	0.03342 +0.00094-0.00097	0.0342	---
T₁₄ (hours)	---	---	4.36±0.13	4.29600+0.08880-0.11280	4.28000	---
T_C (days)	2456811.7094+0.0012-0.0011 (BJD)	2456811.72011 +0.002565-0.002557	2456811.7176±0.0044 (BJD-TDB)	2456811.7221±0.0019 (BJD)	2456811.720 (BJD)	2456811.7187±0.0082 (BJD)
b	0.29+0.15-0.17	---	---	---	0.43	---
i (deg)	87.9933+1.0218-1.1633	87.354350 +1.856108-3.300347	---	---	---	---
a (au)	0.0600+0.0019-0.0029	---	0.0651±0.0011	---	---	---
S (S_⨁)	---	---	646±126	---	---	---
T_eq (K)	---	---	---	---	---	1211.0±154.0

Nearby Data (within 30 arcseconds) Browse Nearby Data

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Known Objects: 1 Confirmed Planets; 1 K2 Targets; 3 2MASS Point Source Catalog

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

Bibliography (11 References)

TFAW survey - I. Wavelet-based denoising of K2 light curves. Discovery and validation of two new Earth-sized planets in K2 campaign 1
del Ser & Fors 2020 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
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10
Mayo et al. 2018 Reference Overview
197 Candidates and 104 Validated Planets in K2’s First Five Fields
Crossfield 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
Planetary Candidates from the First Year of the K2 Mission
Vanderburg et al. 2016 Reference Overview
Stellar and Planetary Properties of K2 Campaign 1 Candidates and Validation of 17 Planets, Including a Planet Receiving Earth-like Insolation
Montet et al. 2015 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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