HD 47536 b

HD 47536 b is an extrasolar planet located approximately 400 light-years away. Its inclination and thereby true mass is being calculated via astrometry with Hubble. The astrometricians expect publication by mid-2009.^[3]

HD 47536 b

Discovery
Discovered by	Setiawan et al.[1]
Discovery site	Chile
Discovery date	January 22, 2003[2]
Detection method	Radial velocity
Orbital characteristics
Apastron	1.96 AU (293,000,000 km)
Periastron	1.26 AU (188,000,000 km)
Semi-major axis	1.61 AU (241,000,000 km)
Eccentricity	0.2 ± 0.08
Orbital period (sidereal)	430 d 1.18 y
Average orbital speed	40.8
Time of periastron	2,451,599 ± 21.5
Argument of periastron	260.8 ± 23.7
Semi-amplitude	113 ± 11
Star	HD 47536

See also

• HD 47536 c

References

1. Setiawan, J.; et al. (2003). "Evidence of a sub-stellar companion around HD 47536". Astronomy and Astrophysics. 398 (2): L19 – L23. Bibcode:2003A&A...398L..19S. doi:10.1051/0004-6361:20021846.
2. "Distant World in Peril Discovered from La Silla" (Press release). Garching, Germany: European Southern Observatory. January 22, 2003. Retrieved December 30, 2012.
3. Fritz Benedict, G.; McArthur, Barbara E.; Bean, Jacob L. (2008). "HST FGS astrometry - the value of fractional millisecond of arc precision". arXiv:0803.0296v1 [astro-ph].

External links

• "HD 47536". Exoplanets. Archived from the original on 2009-11-24. Retrieved 2008-08-23.