HD 72659

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HD 72659
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Hydra
Right ascension 08h 34m 03.190s[1]
Declination −01° 34′ 05.58″[1]
Apparent magnitude (V) 7.48
Characteristics
Spectral type G0V
Astrometry
Proper motion (μ) RA: −112.36±0.64[1] mas/yr
Dec.: −97.72±0.51[1] mas/yr
Parallax (π) 20.07 ± 0.75[1] mas
Distance 163 ± 6 ly
(50 ± 2 pc)
Details
Mass 1.07±0.02[2] M
Radius 1.38±0.02[2] R
Luminosity 2.16±0.01[2] L
Surface gravity (log g) 4.19±0.02[2] cgs
Temperature 5956±43[2] K
Age 7.0±0.7[2] Gyr
Other designations
BD−01° 2075, HIP 42030, SAO 136045
Database references
SIMBAD data

HD 72659 is a yellow dwarf star in the Hydra constellation. The apparent magnitude is +7.48 and the distance is 168 light years away from Earth. An extrasolar planet was discovered orbiting this star in 2003.[3]

The HD 72659 planetary system[4]
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity Inclination Radius
b >3.30 ± 0.29 MJ 4.77 ± 0.37 3630 ± 230 0.269 ± 0.038

See also[edit]

References[edit]

  1. ^ a b c d e 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 c d e f Bonfanti, A.; et al. (2015). "Revising the ages of planet-hosting stars". Astronomy and Astrophysics. 575. A18. arXiv:1411.4302Freely accessible. Bibcode:2015A&A...575A..18B. doi:10.1051/0004-6361/201424951. 
  3. ^ Butler, R. Paul; et al. (2003). "Seven New Keck Planets Orbiting G and K Dwarfs". The Astrophysical Journal. 582 (1): 455–466. Bibcode:2003ApJ...582..455B. doi:10.1086/344570. 
  4. ^ Butler, R. P.; et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal. 646 (1): 505–522. arXiv:astro-ph/0607493Freely accessible. Bibcode:2006ApJ...646..505B. doi:10.1086/504701. 

External links[edit]

Coordinates: Sky map 08h 34m 03.1895s, −01° 34′ 05.583″