HD 30562

HD 30562 is a 6th magnitude F-type main sequence star located approximately 85 light years away in the constellation of Eridanus. In August 2009, it was found that this star has a Jupiter-like planet that orbits in a very eccentric path.[3][4]

HD 30562
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Eridanus
Right ascension  04h 48m 36.3851s[1]
Declination −05° 40′ 26.5543″[1]
Apparent magnitude (V) 5.77
Characteristics
Spectral type F8V
Apparent magnitude (U) 6.60
Apparent magnitude (B) 6.40
Apparent magnitude (J) 4.984
Apparent magnitude (H) 4.574
Apparent magnitude (K) 4.310
U−B color index 0.20
B−V color index 0.63
Astrometry
Radial velocity (Rv)78.6 km/s
Proper motion (μ) RA: 311.420±0.139[1] mas/yr
Dec.: −249.057±0.120[1] mas/yr
Parallax (π)38.1981 ± 0.0817[1] mas
Distance85.4 ± 0.2 ly
(26.18 ± 0.06 pc)
Absolute magnitude (MV)3.65
Details
Mass1.25 ± 0.03[2] M☉
Radius1.57 ± 0.03[2] R☉
Luminosity2.82 ± 0.01[2] L☉
Surface gravity (log g)4.14 ± 0.02[2] cgs
Temperature5983 ± 37[2] K
Metallicity [Fe/H]0.243 ± 0.04 dex
Age4.4 ± 0.6[2] Gyr
Other designations
BD–05°1044, GCRV 2828, Gliese 177.1, HIP 22336, HR 1536, NLTT 13980, PPM 187358, SAO 131504
Database references
SIMBADdata
Exoplanet Archivedata
ARICNSdata
Extrasolar Planets
Encyclopaedia		data

The star HD 30562 is named Mouhoun. The name was selected in the NameExoWorlds campaign by Burkina Faso, during the 100th anniversary of the IAU. Mouhoun, also called Volta Noire, is the largest river in Burkina Faso.[5][6]

The HD 30562 planetary system[3][4]
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity Inclination Radius
b ≥1.373 ± 0.047 MJ 2.315 ± 0.004 1159.2 ± 2.8 0.778 ± 0.013 — —

See also
  • List of extrasolar planets

References
  1. 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. Bonfanti, A.; et al. (2015). "Revising the ages of planet-hosting stars". Astronomy and Astrophysics. 575. A18. arXiv:1411.4302. Bibcode:2015A&A...575A..18B. doi:10.1051/0004-6361/201424951.
  3. 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.
  4. Marmier, M.; et al. (2013). "The CORALIE survey for southern extrasolar planets XVII. New and updated long period and massive planets". Astronomy and Astrophysics. 551. A90. arXiv:1211.6444. Bibcode:2013A&A...551A..90M. doi:10.1051/0004-6361/201219639.
  5. "Approved names". NameExoworlds. Retrieved 2020-01-02.
  6. "International Astronomical Union | IAU". www.iau.org. Retrieved 2020-01-02.

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.