HD 141937
From Wikipedia, the free encyclopedia
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Libra |
Right ascension | 15h 52m 17.5474s |
Declination | −18° 26′ 09.834″ |
Apparent magnitude (V) | 7.25 |
Distance | 109 ly (33.5 pc) |
Spectral type | G2/G3V |
Other designations | |
BD−17° 4442, HIP 77740, SAO 159551 | |
Database references | |
SIMBAD | data |
Extrasolar Planets Encyclopaedia | data |
HD 141937 is a star in the constellation of Libra at a distance of 109 ly. The apparent magnitude is 7.25, which is not visible to the naked eye. It is classified as a yellow dwarf similar to our Sun. Its mass is exactly the same as our Sun, 1 solar mass, and it is slightly larger in radius, at 1.06 times solar. It is younger than our Sun by a factor of 1.79.
The star has a very massive gas giant planet announced in 2001 by the European Southern Observatory.[1]
Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
---|---|---|---|---|---|---|
b | >9.7 MJ | 1.52 | 653.22 ± 1.21 | 0.41 ± 0.01 | — | — |
See also
References
- ↑ "Exoplanets: The Hunt Continues!" (Press release). Garching, Germany: European Southern Observatory. April 4, 2001. Retrieved December 29, 2012.
- ↑ Udry et al.; Mayor, M.; Naef, D.; Pepe, F.; Queloz, D.; Santos, N. C.; Burnet, M. (2002). "The CORALIE survey for southern extra-solar planets VIII. The very low-mass companions of HD141937, HD162020, HD168443, HD202206: brown dwarfs or superplanets?". Astronomy and Astrophysics 390 (1): 267–279. arXiv:astro-ph/0202458. Bibcode:2002A&A...390..267U. doi:10.1051/0004-6361:20020685.
External links
- "HD 141937". Extrasolar Visions.
Coordinates: 15h 52m 17.5474s, −18° 26′ 09.834″
|
This article is issued from Wikipedia. The text is available under the Creative Commons Attribution/Share Alike; additional terms may apply for the media files.