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HD 47536

HD 47536 is a 5th magnitude K-type giant star located approximately 400 light-years away in the constellation of Canis Major. The exact mass of the star is unknown, either 1.1 or 3 MS. As of 2007, two planets are known in orbit around the lowest metallicity star.


Planetary system

Setiawan discovered both planets around the star: HD 47536 b in 2002[2] and HD 47536 c in 2007.

The HD 47536 system
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity
b >4.96 MJ 1.61 430 0.2 ± 0.08
c >6.98 MJ 3.72 2500  ?

See also

* HD 122430
* List of extrasolar planets


References

1. ^ a b c d e van Leeuwen, F. (2007). "HIP 31688". Hipparcos, the New Reduction. http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=I/311/hip2&recno=31604. Retrieved 2010-03-13.
2. ^ Setiawan et al. (2003). "Evidence of a sub-stellar companion around HD 47536". Astronomy and Astrophysics 398 (2): L19–L23. doi:10.1051/0004-6361:20021846. http://www.aanda.org/articles/aa/full/2003/05/aaek052/aaek052.html.


External links

* "HD 47536". Extrasolar Visions. http://www.extrasolar.net/planettour.asp?StarCatId=normal&StarId=. Retrieved 2008-08-23.

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