HD 89307

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HD 89307
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Leo
Right ascension  10h 18m 21.2877s
Declination +12° 37′ 15.990″
Apparent magnitude (V) 7.06
Absolute magnitude (V)4.47
Distance108 ly
(33 pc)
Spectral typeG0V
Other designations
HIP 50473, SAO 99049
Database references

HD 89307 is a yellow main-sequence star located approximately 108 light-years away in the constellation of Leo. The apparent magnitude is 7.06. The mass of the star is identical in value to the Sun.

Planetary system[edit]

In December 2004, it was found to have a long-period 1.78 MJ giant planet in orbit around it.[1]

The HD 89307 planetary system[1]
(in order from star)
Mass Semimajor axis
Orbital period
Eccentricity Inclination Radius
b ≥1.78 ± 0.13 MJ 3.27 ± 0.07 2157 ± 63 0.241 ± 0.07

See also[edit]


  1. ^ a b Fischer, Debra; et al. (2009). "Five planets and an independent confirmation of HD 196885 Ab from Lick Observatory". The Astrophysical Journal. 703 (2): 1545–1556. arXiv:0908.1596. Bibcode:2009ApJ...703.1545F. doi:10.1088/0004-637X/703/2/1545.

External links[edit]

Coordinates: Sky map 10h 18m 21.2877s, +12° 37′ 15.990″