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HD 153950

HD 153950 is a F type star that is hotter and larger than our Sun. It is located in the southern constellation Scorpius. It is a 7th magnitude star at a distance of about 188 light years from Earth.[1]

Planetary system

In October 2008 an extrasolar planet, HD 153950 b, was reported to be orbiting this star. This object was detected using the radial velocity method by search programs conducted using the HARPS spectrograph.[2]

The HD 153950 system[2]
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity
HD 153950 b ≥2.73 ±0.05 MJ 1.28 ±0.01 499.4 ±3.6 0.34 ±0.021

See also

* List of extrasolar planets


References

1. ^ a b c d e f g h i j k l m "SIMBAD query result: NLTT 44077 -- High proper-motion Star". Centre de Données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-id?Ident=HD+153950. Retrieved 2009-06-11.
2. ^ a b Moutou et al.; Mayor, M.; Lo Curto, G.; Udry, S.; Bouchy, F.; Benz, W.; Lovis, C.; Naef, D. et al. (2009). "The HARPS search for southern extra-solar planets XVII. Six long-period giant planets around BD -17 0063, HD 20868, HD 73267, HD 131664, HD 145377, HD 153950" (abstract). Astronomy and Astrophysics 496 (2): 513–519. doi:10.1051/0004-6361:200810941. http://www.aanda.org/index.php?option=article&access=doi&doi=10.1051/0004-6361:200810941. (web Preprint)


External links

* "HD 153950". Exoplanets. http://media4.obspm.fr/exoplanets/base/etoile.php?nom=HD+153950.

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