The HD 13908 System
HD 13908 is a planetary system in the constellation Cassiopeia hosting 2 confirmed exoplanets, about 260 light-years from Earth. One of its planets orbits within the habitable zone, where liquid water could exist on a planetary surface.
HD 13908: Star and Habitable Zone
HD 13908
- Spectral type
- F8 V
- Surface temperature
- 6,255 K (Sun: 5,772 K)
- Mass
- 1.29 M☉
- Radius
- 1.67 R☉
- Luminosity
- 3.9994 L☉
- Age
- 2.9 billion years (Sun: 4.6)
Habitable zone of HD 13908: 1.458–3.398 AU (conservative: 1.847–3.222 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.
See the full interactive habitable-zone view in the Exoplanet Explorer app ›
All 2 Planets in the HD 13908 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 13908 b | Cold Gas Giant | 19 d | — | 0.07 | 2013 |
| HD 13908 c HZ | Cold Gas Giant | 931 d | — | 0.40 | 2013 |
Discovery History
The first planet found here, HD 13908 b, was discovered in 2013 using the radial velocity method.
- 2013 — HD 13908 b (Radial Velocity)
- 2013 — HD 13908 c (Radial Velocity)
Frequently Asked Questions About HD 13908
How many planets does HD 13908 have?
HD 13908 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 13908 system habitable?
One planet in the system orbits within the habitable zone, where liquid water could exist. Actual habitability depends on atmospheres and composition, which are not yet known.
How far away is HD 13908?
HD 13908 is about 260 light-years from Earth in the constellation Cassiopeia.
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