HD 217958 Overview

HD 217958 1.33 R_⦿ 5930.64 K

HD 217958 b

Overview Parameters Nearby Data Bibliography 2 Legend Expand All

HD 217958 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
HD 217958
HD 217958 b	2560.2 d	166.54 M_⨁	Radial Velocity	2022	Feng et al. 2022	Confirmed Planet

HD 217958 Stellar Parameters (2 Solutions)

RA: 23h04m32.78s

Dec: -25d41m30.39s

Distance: 61.7957+0.2099-0.2086
pc

Parallax: 16.153700±0.054386 mas

Ecliptic Latitude: -18.17182 deg

Ecliptic Longitude: 337.04148 deg

Galactic Latitude: -66.06766 deg

Galactic Longitude: 30.27288 deg

Total Proper Motion: 174.5792456±0.0961025 mas/yr

Proper Motion (RA): -80.697500±0.107459 mas/yr

Proper Motion (Dec): -154.8090000±0.0927768 mas/yr

Photometry: m_V
8.05±0.03; m_TESS
7.4701±0.0060; m_J
6.875±0.021; m_H
6.590±0.024; m_Ks
6.513±0.026; m_W1
6.503±0.085; m_W2
6.469±0.025; m_W3
6.524±0.015; m_W4
6.462±0.067; m_Gaia
7.89501±0.00051; m_B
8.656±0.107

Abundances (Hypatia Catalog): [Fe/H] 0.29±0.12 dex; [C/H] 0.34±0.05 dex; [O/H] 0.26±0.04 dex; [Na/H] 0.45±0.06 dex; [Mg/H] 0.30±0.13 dex; [Al/H] 0.30±0.13 dex; [Si/H] 0.33±0.02 dex; [Ca/H] 0.28±0.06 dex; [Y/H] 0.29±0.02 dex; [BaII/H] 0.16±0.22 dex

Tools: Planetary Systems; ExoFOP Target Overview Page; IRSA Finding Chart; Stellar Hosts

Source	Feng et al. 2022	TICv8
M_✶ (M_⦿)	1.080±0.141	1.080000+0.113964-0.168741
T_eff (K)	---	5930.640+108.901-161.075
L_✶ (log₁₀(L_⦿))	---	0.29231257+0.01162947-0.01331761
Metallicity (dex)	---	0.2865310±0.0257143 [M/H]
ρ_✶ (g/cm³)	---	0.6527876+0.1752541-0.1100757
R_✶ (R_⦿)	---	1.3261900+0.0606834-0.0752362
log g (log₁₀(cm/s²))	---	4.2262800+0.1091720-0.0520636

HD 217958 b Planetary Parameters (1 Solution)

Status: Confirmed Planet

Detected By: Radial Velocity

Tools: Planetary Systems

Source	Feng et al. 2022
T_p (days)	2450608.775+281.218-1475.949 (BJD)
ω (deg)	252.258+81.413-117.420
M_p (M_⨁)	167+110-20
M_p (M_Jup)	0.524+0.347-0.063
e	0.156+0.093-0.081
i (deg)	91.3570+31.0780-38.7710
P (days)	2560.19774+66.52293-91.15204
K (m/s)	7.474+1.424-1.117
a (au)	3.758+0.169-0.200

Nearby Data (within 30 arcseconds) Browse Nearby Data

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

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

Bibliography (2 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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