HD 141937
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 nearly the same as our Sun, 1.1 solar masses, and it is slightly larger in radius, at 1.06 times solar. It is younger than our Sun by a factor of 1.79.
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 |
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 | — | — |
References
- "Exoplanets: The Hunt Continues!" (Press release). Garching, Germany: European Southern Observatory. April 4, 2001. Retrieved December 29, 2012.
- Udry; 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
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