Temperature
5638 K
5599 to 5717
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Stellar HostProfile
HD 4208
Unclassified star • 34.19 pc
Records
20
literature rows
Planets
1
system count
References
21
distinct source labels
HD: HD 4208HIP: HIP 3479TIC: TIC 43400838
Approximate color
from effective temperature
Canonical Summary
Adopted host values from one source row
Values come from the row with the most populated summary measurements. Missing values stay missing. Ranges and counts describe all source rows.
Stellar source: Ghezzi et al. 2010 • System source: TICv8
Mass
0.90 Msun
0.83 to 1
Radius
0.85 Rsun
0.85 to 0.94
Age
6 Gyr
3.81 to 6
Luminosity
-0.19 log(Lsun)
-0.19 to -0.10
Distance
34.19 pc
single adopted value
Planets
1
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 0.85 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
HD 4208
0.85 R☉
System Layout
Known planets
1 planets linked to this host
HD 4208 b
Radial Velocity
◌
Discovery
2001
Period
833.0 days
Radius
—
Mass
257.4 M⊕
Eq. Temp
—
HD 4208 and Its Planet
HD 4208 is a G0 star 112 light-years away with one known planet in orbit. The star is 6 billion years old and has a mass of 0.9 solar masses, a radius of 0.85 solar radii, and a temperature of 5640 K. Its radius is smaller than the Sun's, and its temperature is cooler than the Sun's.
The planet HD 4208 b was discovered in 2001 by the radial velocity method. It has a minimum mass of 257 Earth masses, larger than Earth's, and an orbital period of 833 days.
Provenance
Underlying measurements and references
Evidence Summary
Rows
20
Stellar refs
20
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massdisputed
Radiusdisputed
Agedisputed
Luminositydisputed
Surface Gravitydisputed
Metallicitydisputed
Spectral Typedisputed
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| 5638 | 0.90 | 0.85 | 6 | -0.19 | — | 34.19 | Ghezzi et al. 2010 | TICv8 |
| 5600 | 0.87 | — | — | — | — | 34.19 | Butler et al. 2006 | TICv8 |
| 5600 | — | — | — | — | — | 34.19 | Suárez-Andrés et al. 2016 | TICv8 |
| 5599 | 0.83 | — | — | -0.15 | — | 34.19 | Sousa et al. 2008 | TICv8 |
| 5639 | 1 | 0.93 | — | -0.10 | — | 34.19 | TICv8 | TICv8 |
| — | — | — | — | — | — | 34.19 | Valenti & Fischer 2005 | TICv8 |
| — | — | — | — | — | — | 34.19 | Nordstrom et al. 2004 | TICv8 |
| — | — | — | — | — | — | 34.19 | Henry et al. 1996 | TICv8 |
| 5625 | 0.86 | — | — | — | — | 34.19 | Santos et al. 2003 | TICv8 |
| — | 0.93 | — | — | — | — | 34.19 | Vogt et al. 2002 | TICv8 |
| — | — | — | — | — | G7 V Fe-1 CH-0.5 | 34.19 | Gray et al. 2006 | TICv8 |
| — | — | — | — | — | G5 V | 34.19 | Michigan Catalog, Vol. 3 | TICv8 |
| 5669.8 | 0.85 | 0.94 | — | — | — | 34.19 | Rosenthal et al. 2021 | TICv8 |
| — | — | — | — | — | — | 34.19 | Wright et al. 2004 | TICv8 |
| 5717 | 0.88 | 0.85 | 3.81 | — | — | 34.19 | Barbato et al. 2018 | TICv8 |
| 5644 | — | 0.93 | — | -0.10 | — | 34.19 | Gaia DR2 | TICv8 |
| 5626 | 0.86 | — | — | — | — | 34.19 | Santos et al. 2004 | TICv8 |
| — | — | — | — | — | G0 | 34.19 | Cannon & Pickering 1918 | TICv8 |
| 5629 | 0.90 | 0.92 | — | — | — | 34.19 | Stassun et al. 2017 | TICv8 |
| — | — | — | — | — | — | 34.19 | Nidever et al. 2002 | TICv8 |