Beta Circini b
Exoplanet | List of exoplanets
| |
---|---|---|
Parent star | ||
Star | β Circini | |
Right ascension | (α) | 15h 17m 30.8494s[1] |
Declination | (δ) | −58° 48′ 04.349″[1] |
Distance | 97 ± 2 ly (29.6 ± 0.7 pc) | |
Spectral type | A3Va | |
Mass | (m) | 1.96 M☉ |
Radius | (r) | 1.3 R☉ |
Temperature | (T) | 8,892[2] K |
Orbital elements | ||
Semi-major axis | (a) | 6656.0[3] AU |
Eccentricity | (e) | N/A[3] |
Orbital period | (P) | N/A[3] d |
Physical characteristics | ||
Mass | (m) | 56.0 (± 7.0)[3] MJ |
Discovery information | ||
Discovery date | October 30, 2015 | |
Discoverer(s) | ||
Discovery method | Direct imaging | |
Discovery status | Published |
Beta Circini b (also known as Beta Cir b, β Circini b, β Cir b)[4] is an exoplanet[3] or Brown dwarf[4] orbiting the A-type star β Circini, in the constellation of Circinus.[3] It has a surface temperature of 2084.0 K. Its mass was discovered using the Spectrum method which concluded that the object has a mass of 56.0±7.0 MJ.[3]
References
- 1 2 * bet Cir -- Star, database entry, SIMBAD. Accessed on line September 5, 2008.
- ↑ Song, Inseok; et al. (February 2001), "Ages of A-Type Vega-like Stars from uvbyβ Photometry", The Astrophysical Journal 546 (1): 352–357, arXiv:astro-ph/0010102, Bibcode:2001ApJ...546..352S, doi:10.1086/318269
- 1 2 3 4 5 6 7 "β Circini b". Retrieved 2015-10-30.
- 1 2 Discovery of a brown dwarf companion to the A3V star β Circini. Retrieved 2015-11-9.
|
Coordinates: 15h 17m 30.8494s, −58° 48′ 04.349″
This article is issued from Wikipedia - version of the Monday, April 04, 2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.