HD 180902

HD 180902
Observation data
Epoch       Equinox
Constellation Sagittarius
Right ascension 19h 19m 18.0s
Declination −23° 33 29
Characteristics
Details
Mass1.52 ± 0.11 M
Radius4.1 ± 0.1 R
Temperature5030 ± 44 K
Metallicity [Fe/H]0.04 ± 0.03 dex
Age2.8 ± 0.7 Gyr years
Database references

HD 180902 is a K-type star HD 180902 approximately 359 light years away in the constellation Sagittarius. It has one planet, HD 180902 b.[1]

Planetary system

The HD 180902 system is known to have one planet.

The HD 180902 planetary system[2]
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity Inclination Radius
b 1.6 ± 0.2 MJ 1.39 ± 0.04 AU 479 ± 13 0.09 ± 0.11

References

  1. Johnson, John Asher; et al. (2010). "Retired A Stars and Their Companions IV. Seven Jovian Exoplanets from Keck Observatory". Publications of the Astronomical Society of the Pacific 122 (892): 701–711. arXiv:1003.3445 [astro-ph.EP]. Bibcode:2010PASP..122..701J. doi:10.1086/653809.
  2. exoplanet.eu. "Planet HD 180902 b". Retrieved 2013-06-03.
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