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HD 23596

HD 23596 is a 7th magnitude star approximately 170 light years away in the constellation Perseus. The visual luminosity of the star is 1.71 times greater than our Sun. HD 23596 dwarfs the Sun is terms of physical properties; including mass, radius, age, metallicity, and temperature. The spectrum of the star is F8.

Planetary system

In June 2002, a massive long-period planet orbiting the star was announced.[1]

The HD 23596 system[1]
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity
b >8.10 MJ 2.88 1565 ± 21 0.292 ± 0.023

References

1. ^ a b Perrier et al.; Sivan, J.-P.; Naef, D.; Beuzit, J. L.; Mayor, M.; Queloz, D.; Udry, S. (2003). "The ELODIE survey for northern extra-solar planets. I. Six new extra-solar planet candidates". Astronomy and Astrophysics 410 (3): 1039–1049. doi:10.1051/0004-6361:20031340. http://www.aanda.org/articles/aa/full/2003/42/aa2924/aa2924.html.


External links

* "Notes for star HD 23596". The Extrasolar Planet Encyclopaedia. http://exoplanet.eu/star.php?st=HD+23596.
* "HD 23596 – Yellow Main Sequence Star". Extrasolar Visions. http://www.extrasolar.net/startour.asp?StarCatID=normal&StarID=169.
* "HD 23596 – Star". SIMBAD. http://simbad.u-strasbg.fr/simbad/sim-id?protocol=html&Ident=HD+23596.

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