| Discovery | |
|---|---|
| Discovered by | Jones et al.[1] |
| Discovery site |  Anglo-AustralianTelescope |
| Discovery date | 15 October 2001 |
| Doppler spectroscopy | |
| Orbital characteristics[2] | |
| 3.31+0.13 −0.15 AU | |
| Eccentricity | 0.642+0.0007 −0.0006 |
| 5.719 ± 0.001 years (2,088.86 ± 0.37 d) | |
| Inclination | 54.4°+5.9° −3.7° |
| 278.5°+6.7° −9.8° | |
| 2456540.34±0.75 | |
| 331.02°+0.23° −0.22° | |
| Semi-amplitude | 193.98+0.38 −0.38 m/s |
| Star | Pi Mensae |
| Physical characteristics[2] | |
| Mass | 12.3+1.2 −1.4 MJ |
Pi Mensae b (π Men b, π Mensae b), also known as HD 39091 b, is an extrasolar planet[3] approximately 60 light-years away in the constellation of Mensa. The planet was announced orbiting the yellow main-sequence star[4] Pi Mensae in October 2001.
- ^ Jones H., Vogt S., Butler P., Marcy G., Fischer D., Pourbaix D., Apps K., & Laughlin G.
- ^ a b Cite error: The named reference
Feng2022was invoked but never defined (see the help page). - ^ Cite error: The named reference
cnewas invoked but never defined (see the help page). - ^ Gray, R. O.; et al. (July 2006). "Contributions to the Nearby Stars (NStars) Project: spectroscopy of stars earlier than M0 within 40 pc-The Southern Sample". The Astronomical Journal. 132 (1): 161–170. arXiv:astro-ph/0603770. Bibcode:2006AJ....132..161G. doi:10.1086/504637. S2CID 250741593.