The HD 1605 System
HD 1605 is a planetary system in the constellation Andromeda hosting 2 confirmed exoplanets, about 290 light-years from Earth. One of its planets orbits within the habitable zone, where liquid water could exist on a planetary surface.
HD 1605: Star and Habitable Zone
HD 1605
- Spectral type
- K1 IV
- Surface temperature
- 4,915 K (Sun: 5,772 K)
- Mass
- 1.33 M☉
- Radius
- 3.49 R☉
- Luminosity
- 6.4565 L☉
- Age
- 4.4 billion years (Sun: 4.6)
Habitable zone of HD 1605: 1.998–4.848 AU (conservative: 2.531–4.596 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 1605 System
Discovery History
The first planet found here, HD 1605 b, was discovered in 2015 using the radial velocity method.
Frequently Asked Questions About HD 1605
How many planets does HD 1605 have?
HD 1605 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 1605 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 1605?
HD 1605 is about 290 light-years from Earth in the constellation Andromeda.