Tau1 Gruis b

Tau1 Gruis b
Exoplanet List of exoplanets
Parent star
Star Tau1 Gruis
Constellation Grus
Right ascension (α) 22h 53m 37.9315s
Declination (δ) –48° 35′ 53.828″
Distance108.58 ly
(33.29 pc)
Spectral type G0V
Orbital elements
Semi-major axis(a) 2.561 AU
Eccentricity (e) 0.0703±0.0781
Orbital period(P) 1311 ± 49 d
Argument of
periastron		 (ω) 99.8°
Time of periastron (T0) 2,450,870±210 JD
Semi-amplitude (K) 19.6±1.5 m/s
Physical characteristics
Minimum mass(m sin i)1.26 MJ
Discovery information
Discovery date 17 September 2002
Discoverer(s) Jones, et al.
Discovery method Doppler spectroscopy
Discovery site  Australia
Discovery status Confirmed
Other designations

Tau1 Gruis b, also known as HD 216435 b, is an extrasolar planet approximately 109 light-years away in the constellation of Grus (the Crane). The planet was discovered orbiting the star Tau1 Gruis in September 2002. It was calculated that the planet orbits its sun at an average distance of 2.7 astronomical units. The planet is over 1.25 times as massive as Jupiter.

See also

References

  • Jones; Butler, R. Paul; Tinney, C. G.; Marcy, Geoffrey W.; Penny, Alan J.; McCarthy, Chris; Carter, Brad D. (2003). "An exoplanet in orbit around τ1 Gruis". Monthly Notices of the Royal Astronomical Society. 341 (3): 948–952. arXiv:astro-ph/0209302. Bibcode:2003MNRAS.341..948J. doi:10.1046/j.1365-8711.2003.06481.x. (web Preprint)
  • "Notes for planet HD 216435 b". The Extrasolar Planets Encyclopedia. Retrieved 2008-06-22.
  • "Tau1 Gruis". Solstation. Retrieved 2008-06-22.

Coordinates: 22h 53m 37.9315s, −48° 35′ 53.828″


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