HD 38283

HD 38283
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Mensa
Right ascension 05h 37m 02.01847s[1]
Declination −73° 41′ 57.6320″[1]
Apparent magnitude (V) 6.70
Characteristics
Spectral type F9.5V
Astrometry
Proper motion (μ) RA: 139.67 ± 0.33[1] mas/yr
Dec.: -107.04 ± 0.33[1] mas/yr
Parallax (π)26.10 ± 0.31[1] mas
Distance125 ± 1 ly
(38.3 ± 0.5 pc)
Details
Other designations
CD-73 253, HIP 26380, SAO 256213
Database references
SIMBADdata

HD 38283 is a 7th magnitude F-type main sequence star located approximately 125 light-years away[1] in the constellation of Mensa. HD 38283 is not visible to the naked eyes for most people but can be easily seen using binoculars.

Planetary system

On April 11, 2011, a Saturnian planet, HD 38283 b, was discovered in an Earth-like orbit.

The HD 38283 planetary system[2]
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity Inclination Radius
b ≥0.34 ± 0.02 M⊕ 1.02 ± 0.07 363.2 ± 0.0056 0.41 ± 0.16 — —

See also

References

  1. 1 2 3 4 5 6 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. Bibcode:2007A&A...474..653V. arXiv:0708.1752 Freely accessible. doi:10.1051/0004-6361:20078357. Vizier catalog entry
  2. ↑ Tinney; et al. (April 2011). "The Anglo-Australian Planet Search. XXI. A Gas-giant Planet in a One Year Orbit and the Habitability of Gas-giant Satellites". The Astrophysical Journal. Bibcode:2011ApJ...732...31T. doi:10.1088/0004-637x/732/1/31.

Coordinates: 05h 37m 02s, −73° 41′ 58″


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