HD 86264
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Hydra |
Right ascension | 09h 56m 57.839s[1] |
Declination | –15° 53′ 42.43″[1] |
Apparent magnitude (V) | 7.42 |
Characteristics | |
Spectral type | F7V |
Apparent magnitude (B) | 7.88 |
Apparent magnitude (J) | 6.505 |
Apparent magnitude (H) | 6.344 |
Apparent magnitude (K) | 6.224 |
B−V color index | 0.46 |
Astrometry | |
Radial velocity (Rv) | +7.1 km/s |
Proper motion (μ) | RA: –13.13 ± 0.51[1] mas/yr Dec.: –65.74 ± 0.52[1] mas/yr |
Parallax (π) | 14.54 ± 0.56[1] mas |
Distance | 224 ± 9 ly (69 ± 3 pc) |
Absolute magnitude (MV) | 3.12 |
Details | |
Mass | 1.42 ± 0.05 M☉ |
Radius | 1.88 ± 0.12 R☉ |
Luminosity | 4.72 L☉ |
Surface gravity (log g) | 4.16 cgs |
Temperature | 6210 ± 44 K |
Metallicity [Fe/H] | 0.202 ± 0.04 dex |
Age | 2.24 Gyr |
Other designations | |
Database references | |
SIMBAD | data |
Exoplanet Archive | data |
Extrasolar Planets Encyclopaedia | data |
HD 86264 is a 7th magnitude F-type main sequence star located approximately 224 light years away[1] in the constellation Hydra. In August 2009, it was announced that an exoplanet was found in an eccentric orbit.[2]
Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
---|---|---|---|---|---|---|
b | ≥7 ± 1.6 MJ | 2.86 ± 0.07 | 1475 ± 55 | 0.7 ± 0.2 | — | — |
See also
References
- 1 2 3 4 5 6 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.Vizier catalog entry
- 1 2 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.
Coordinates: 09h 56m 57.8388s, −15° 53′ 42.438″
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