HD 86264

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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
BD–15°2938, HIP 48780, PPM 222239, SAO 155612
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]

The HD 86264 planetary system[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[edit]

References[edit]

  1. ^ a b c d e f van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752Freely accessible. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
  2. ^ 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:0908.1596Freely accessible. Bibcode:2009ApJ...703.1545F. doi:10.1088/0004-637X/703/2/1545. 

Coordinates: Sky map 09h 56m 57.8388s, −15° 53′ 42.438″