HD 89307
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| 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 |
| Distance | 108 ly (33 pc) |
| Spectral type | G0V |
| Other designations | |
| Database references | |
| SIMBAD | data |
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.
Contents |
[edit] Planetary system
In December 2004, it was found to have a long-period 1.92 MJ giant planet in orbit around it.
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity |
|---|---|---|---|---|
| b | ≥1.78 ± 0.13 MJ | 3.27 ± 0.07 | 2157 ± 63 | 0.241 ± 0.07 |
[edit] See also
[edit] References
- ^ Fischer et al. (2009). "Five Planets and an Independent Confirmation of HD 196885Ab from Lick Observatory" (abstract). The Astrophysical Journal 703 (2): 1545–1556. doi:10.1088/0004-637X/703/2/1545. http://www.iop.org/EJ/abstract/0004-637X/703/2/1545. (web Preprint)
[edit] External links
- "Notes for star HD 89307". The Extrasolar Planets Encyclopaedia. http://exoplanet.eu/star.php?st=HD+89307. Retrieved 2008-08-18.
- "HD 89307". Extrasolar Visions. http://www.extrasolar.net/planettour.asp?StarCatId=normal&StarId=264. Retrieved 2008-08-18.
Coordinates: 
10h 18m 21.2877s, +12° 37′ 15.990″
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