HD 217958 Overview
-
Star:
HD 217958
- Stellar Radius: 1.33 Solar Radius
- Stellar Effective Temperature: 5930.64 K
-
Planet:
HD 217958 b
- Disposition Confirmed
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 |
- RA
- 23h04m32.78s
- Dec
- -25d41m30.39s
- Distance
-
61.7957+0.2099-0.2086pc
- 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
- mV 8.05±0.03
- mTESS 7.4701±0.0060
- mJ 6.875±0.021
- mH 6.590±0.024
- mKs 6.513±0.026
- mW1 6.503±0.085
- mW2 6.469±0.025
- mW3 6.524±0.015
- mW4 6.462±0.067
- mGaia 7.89501±0.00051
- mB 8.656±0.107
-
Abundances
(Hypatia Catalog) - [Fe/H] 0.29±0.12 dex
- [C/H] 0.34±0.05 dex
- [O/H] 0.27±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
| Source | Feng et al. 2022 | TICv8 |
|---|---|---|
|
M✶
(M⦿)
|
1.080±0.141 |
1.080000+0.113964-0.168741
|
|
Teff
(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
|
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
- Planetary Systems
| Source | Feng et al. 2022 |
|---|---|
|
Tp
(days)
|
2450608.775+281.218-1475.949
(BJD)
|
|
ω
(deg)
|
252.258+81.413-117.420
|
|
Mp
(M⨁)
|
167+110-20
|
|
Mp
(MJup)
|
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
- System
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- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
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- Time Series
- Kepler | K2
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