HD 38283
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Mensa |
| Right ascension | 05h 37m 02s[1] |
| Declination | −73° 41′ 58″[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 mas[1] |
| Distance | 125 ± 1 ly (38.3 ± 0.5 pc) |
| Details | |
| Other designations | |
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.
| 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
- ^ a b c d e f van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
- ^ 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.
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