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HD 76700 is a yellow dwarf star (spectral type G6V) 195 light years from Earth in the constellation of Volans. It has a mass very similar to (1.1 times) that of our Sun, but is cooler and brighter (with a surface temperature of 5694 K and luminosity of 1.69 Suns) and thus much older—around 6.9 billion years old.[3] It is orbited by a recently discovered planet.[4]

HD 76700
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Volans
Right ascension  08h 53m 55.5159s[1]
Declination −66° 48′ 03.5743″[1]
Apparent magnitude (V) 8.13
Characteristics
Spectral type G6V
Astrometry
Proper motion (μ) RA: −282.828±0.056[1] mas/yr
Dec.: 120.362±0.056[1] mas/yr
Parallax (π)16.3960 ± 0.0314[1] mas
Distance198.9 ± 0.4 ly
(61.0 ± 0.1 pc)
Details
Other designations
CD−66 656, HIP 43686, SAO 250370, LTT 3291, NLTT 20555, 2MASS J08535550-6648034[2]
Database references
SIMBADdata
The HD 76700 planetary system[5]
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity Inclination Radius
b >0.233 ± 0.024 MJ 0.0511 ± 0.0030 3.97097 ± 0.00023 0.095 ± 0.075

See alsoEdit

ReferencesEdit

  1. ^ a b c d e Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  2. ^ "HD 76700". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2018-11-07.
  3. ^ Bonfanti, A.; Ortolani, S.; Piotto, G.; Nascimbeni, V. (2015). "Revising the ages of planet-hosting stars". Astronomy & Astrophysics. 575 (A18): 17. arXiv:1411.4302. Bibcode:2015A&A...575A..18B. doi:10.1051/0004-6361/201424951.
  4. ^ Tinney, C. G.; et al. (2003). "Four New Planets Orbiting Metal-enriched Stars". The Astrophysical Journal. 587 (1): 423–428. arXiv:astro-ph/0207128. Bibcode:2003ApJ...587..423T. doi:10.1086/368068.
  5. ^ Butler, R. P.; et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal. 646 (1): 505–522. arXiv:astro-ph/0607493. Bibcode:2006ApJ...646..505B. doi:10.1086/504701.

External linksEdit

Coordinates:   08h 53m 55.5153s, −66° 48′ 03.571″