PSR B1257+12 B
PSR B1257+12 B is an extrasolar planet in the constellation of Virgo. It is around 980 light years away from Earth. It was the first planet ever discovered outside of the Solar System. It is over four times bigger than Earth. It orbits the pulsar PSR B1257+12, going around it approximately every 66 days at a distance of 0.36 AU.
References[change | edit source]
- Konacki, M., Wolszczan, A. (2003). "Masses and Orbital Inclinations of Planets in the PSR B1257+12 System". The Astrophysical Journal 591 (2): L147–L150. doi:10.1086/377093. http://www.iop.org/EJ/article/1538-4357/591/2/L147/17269.html.
- Wolszczan, A., Frail, D. (1992). "A planetary system around the millisecond pulsar PSR1257 + 12". Nature 355 (6356): 145–147. Bibcode:1992Natur.355..145W. doi:10.1038/355145a0.