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 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.

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; 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/0202458Freely accessible. 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″