HD 30562 b

HD 30562 b
Exoplanet List of exoplanets
Parent star
Star HD 30562
Constellation Eridanus
Right ascension (α) 04h 48m 36.38s[1]
Declination (δ) –05° 40 26.6[1]
Apparent magnitude (mV) 5.77
Distance86.2 ± 0.8[1] ly
(26.4 ± 0.2[1] pc)
Spectral type F8V
Orbital elements
Semi-major axis(a) 2.30 ± 0.02 AU
Periastron (q) 0.55 AU
Apastron (Q) 4.05 AU
Eccentricity (e) 0.76 ± 0.05
Orbital period(P) 1157 ± 27 d
(3.17 ± 0.07 y)
Argument of
periastron
(ω) 81 ± 10°
Time of periastron (T0) 10131.5 ± 14 JD
Physical characteristics
Minimum mass(m sin i)1.29 ± 0.08 MJ
Discovery information
Discovery date August 12, 2009
Discoverer(s)
Discovery method Radial velocity
Discovery status Published[2]
Other designations
Gliese 177.1 b, HIP 22336 b, HR 1536 b
Database references
Extrasolar Planets
Encyclopaedia
data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

HD 30562 b is an extrasolar planet which orbits the F-type main sequence star HD 30562, located approximately 86 light years away in the constellation Eridanus.[2]

This planet is unusual that it orbits in a very oval path like comets in the Solar System. The semimajor axis of the orbit is 2.30 AU and it ranges from 0.55 AU to 4.05 AU. It has minimum mass 1.29 times that of Jupiter. The orbital period of this planet is 38 months compared with 12 months for the Earth.

This eccentric Jupiter was discovered on August 12, 2009 by using the radial velocity method which was designed to study the wobble of stars cause by their planet’s gravity over the course of their orbit. Another study confirmed it in 2012.[3]

References

  1. 1 2 3 4 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. 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:0908.1596Freely accessible. Bibcode:2009ApJ...703.1545F. doi:10.1088/0004-637X/703/2/1545.
  3. 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:1211.6444Freely accessible. Bibcode:2013A&A...551A..90M. doi:10.1051/0004-6361/201219639.

Coordinates: 04h 48m 36.3857s, −05° 40′ 26.561″

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