HD 222582 b

HD 222582 b
Exoplanet List of exoplanets
Parent star
Star HD 222582
Constellation Aquarius
Right ascension (α) 23h 41m 51.5299s
Declination (δ) –05° 59′ 08.726″
Distance136.8 ly
(41.95 pc)
Spectral type G5V
Orbital elements
Semi-major axis(a) 1.35 AU
Eccentricity (e) 0.76
Orbital period(P) 572 d
(1.57 y)
Orbital speed (υ) 25.7 km/s
Argument of
periastron		 (ω) 293°
Time of periastron (T0) 2,450,174.8 JD
Semi-amplitude (K) 276.6 m/s
Physical characteristics
Minimum mass(m sin i)7.75 MJ
Discovery information
Discovery date November 1, 1999[1]
Discoverer(s) Vogt et al.[2]
Discovery method radial velocity
Discovery site California and
Carnegie Planet Search
Discovery status Published[2]
Database references
Extrasolar Planets
Encyclopaedia		data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

HD 222582 b is an extrasolar planet over 7 times the mass of Jupiter orbiting the star HD 222582. The orbital period is 572 days and orbits at a semimajor axis of 1.35 AU in one of the most eccentric orbits of any known planets.[2]

See also

References

  1. ↑ "Astronomers discover six new planets orbiting nearby stars" (Press release). Kamuela, Hawaii: W. M. Keck Observatory. November 1, 1999. Retrieved December 19, 2017.
  2. 1 2 3 Vogt, Steven S.; et al. (2000). "Six New Planets from the Keck Precision Velocity Survey". The Astrophysical Journal. 536 (2): 902–914. arXiv:astro-ph/9911506. Bibcode:2000ApJ...536..902V. doi:10.1086/308981.
  • Gimenez; A. (2000). "uvby Photometry of stars with planets". Astronomy and Astrophysics. 356: 213. Bibcode:2000A&A...356..213G.
  • Han; Black, David C.; Gatewood, George (2001). "Preliminary astrometric masses for proposed exrasolar planetary companions". The Astrophysical Journal Letters. 548 (1): L57–L60. Bibcode:2001ApJ...548L..57H. doi:10.1086/318927.
  • "Notes for planet HD 222582 b". The Extrasolar Planets Encyclopaedia.
  • "HD 222582". Exoplanets. Simulation
  • "Location". planetquest1.jpl.nasa.gov. Archived from the original on 2011-07-26.
  • "Curve". exoplanets.org. Archived from the original on 2010-06-11.
  • "Notes for planet HD 222582 b". www.astrocosmos.net. Archived from the original on 2012-12-09.

Coordinates: 23h 41m 51.5299s, −05° 59′ 08.726″


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