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]
| Discovery | |
|---|---|
| Discovered by | Setiawan et al.[1] |
| Discovery site |  Chile |
| Discovery date | January 22, 2003[2] |
| Radial velocity | |
| Orbital characteristics | |
| Apastron | 1.96 AU (293,000,000 km) |
| Periastron | 1.26 AU (188,000,000 km) |
| 1.61 AU (241,000,000 km) | |
| Eccentricity | 0.2 ± 0.08 |
| 430 d 1.18 y | |
Average orbital speed | 40.8 |
| 2,451,599 ± 21.5 | |
| 260.8 ± 23.7 | |
| Semi-amplitude | 113 ± 11 |
| Star | HD 47536 |
See also
References
- 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.
- "Distant World in Peril Discovered from La Silla" (Press release). Garching, Germany: European Southern Observatory. January 22, 2003. Retrieved December 30, 2012.
- 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.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.