HD 93083 b

HD 93083 b [1]
Exoplanet List of exoplanets
Parent star
Star HD 93083
Constellation Antlia
Right ascension (α) 10h 44m 20.914s[2]
Declination (δ) –35° 34′ 37.28″[2]
Distance91 ± 2[2] ly
(27.9 ± 0.7[2] pc)
Spectral type K2IV-V
Orbital elements
Semi-major axis(a) 0.477 AU
Periastron (q) 0.410 AU
Apastron (Q) 0.544 AU
Eccentricity (e) 0.14 ± 0.03
Orbital period(P) 143.58 ± 0.6 d
(0.3931 y)
Orbital speed (υ) 36.3 km/s
Argument of
periastron		 (ω) 333.5 ± 7.9°
Time of periastron (T0) 2,453,181.7 ± 3.0 JD
Semi-amplitude (K) 18.30 ± 0.5 m/s
Physical characteristics
Mass(m)>0.37 MJ
(>118 M⊕)
Discovery information
Discovery date 14 February 2005
Discoverer(s) Lovis et al.[3]
Discovery method Radial Velocity
Discovery site La Silla Observatory, Chile
Discovery status Published[3]
Other designations
GJ 1137 b, HIP 52521 b
Database references
Extrasolar Planets
Encyclopaedia		data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

HD 93083 b is an extrasolar planet orbiting the K-type subgiant star HD 93083 in Antlia constellation. It is probably much less massive than Jupiter, although only the minimum mass is known. The planet's mean distance from the star is about half that of Earth, and the orbit is slightly eccentric. This planet is another discovery by the HARPS search team.[3]

Stability analysis reveals that the orbits of Earth-sized planets located in HD 93083 b's Trojan points would be stable for long periods of time.[4]

See also

References

  1. ↑ "HD 93083 b". Geneva Observatory. Retrieved 2008-10-03.
  2. 1 2 3 4 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
  3. 1 2 3 Lovis, C.; et al. (2005). "The HARPS search for southern extra-solar planets III. Three Saturn-mass planets around HD 93083, HD 101930 and HD 102117". Astronomy and Astrophysics. 437 (3): 1121–1126. arXiv:astro-ph/0503660. Bibcode:2005A&A...437.1121L. doi:10.1051/0004-6361:20052864.
  4. ↑ Schwarz; Dvorak, R.; Süli, Á.; Érdi, B. (2007). "Survey of the stability region of hypothetical habitable Trojan planets" (PDF). Astronomy and Astrophysics. 474 (3): 1023–1029. Bibcode:2007A&A...474.1023S. doi:10.1051/0004-6361:20077994.
  • "HD 93083". Exoplanets.
  • Corot Simulation
  • www.universeguide.com

Coordinates: 10h 44m 20.9149s, −35° 34′ 37.279″


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