HD 141937

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HD 141937
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]

The HD 141937 planetary system[2]
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[edit]

References[edit]

  1. ^ "Exoplanets: The Hunt Continues!" (Press release). Garching, Germany: European Southern Observatory. April 4, 2001. Retrieved December 29, 2012. 
  2. ^ 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[edit]

Coordinates: Sky map 15h 52m 17.5474s, −18° 26′ 09.834″