HD 16175

HD 16175 is an approximately 200 light-years distant supergiant of spectral type G0 in the constellation Andromeda. It has an apparent visual magnitude of 7.3 mag and is a foreground star to the open star cluster Messier 34

The star has a spectroscopic companion with the systematic name HD 16175 b and an orbital period of about 2.7 years. With a minimum mass of about 4.4 Jupiter masses it could be in the companion to an exoplanet, or a brown dwarf. The eccentricity of the orbit is estimated to be 0.59 ± 0.11; with an estimated mass of 1.3 solar masses for the central star, the object has a semi-major axis of about 2.1 astronomical units.

Links and References

  • The exoplanet in the " Encyclopedia of extrasolar planets " (English)
  • Individual star fifth size and darker
  • Andromeda ( constellation )
  • Star with exoplanet
  • Subgiant
Andromeda (constellation) Declination Astrometry Radial velocity Intrinsic brightness Proper motion Durchmusterung Smithsonian Astrophysical Observatory Star Catalog
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