HD 65216
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Carina |
| Right ascension | 07h 53m 41.321s[1] |
| Declination | −63° 38′ 50.37″[1] |
| Apparent magnitude (V) | 7.98 |
| Characteristics | |
| Spectral type | G5V |
| Astrometry | |
| Proper motion (μ) | RA: −122.93 ± 0.74[1] mas/yr Dec.: 145.51 ± 0.70[1] mas/yr |
| Parallax (π) | 28.11 ± 0.59[1] mas |
| Distance | 116 ± 2 ly (35.6 ± 0.7 pc) |
| Details | |
| Mass | 0.95 ± 0.01[2] M☉ |
| Radius | 0.864 ± 0.003[2] R☉ |
| Luminosity | 0.716 ± 0.001[2] L☉ |
| Surface gravity (log g) | 4.53 ± 0.01[2] cgs |
| Temperature | 5718 ± 8[2] K |
| Age | 1.7 ± 0.5[2] Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 65216 is an 8th magnitude G-type main sequence star located approximately 34.3 parsecs (112 ly) away in the constellation of Carina. It is a Sun-like yellow dwarf, 8% less massive and somewhat less luminous. It cannot be seen without technical aid, but with binoculars or telescope it should be visible.
Planetary system
An extrasolar planet (designated as HD 65216 b) is known to orbit the star.
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | >1.21 MJ | 1.37 | 613.1 ± 11.4 | 0.41 ± 0.06 | — | — |
See also
References
- 1 2 3 4 5 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 - 1 2 3 4 5 6 Bonfanti, A.; et al. (2015). "Revising the ages of planet-hosting stars". Astronomy and Astrophysics. 575. A18. arXiv:1411.4302. Bibcode:2015A&A...575A..18B. doi:10.1051/0004-6361/201424951.
- ↑ Mayor, M.; et al. (2004). "The CORALIE survey for southern extra-solar planets XII. Orbital solutions for 16 extra-solar planets discovered with CORALIE". Astronomy and Astrophysics. 415 (1): 391–402. arXiv:astro-ph/0310316. Bibcode:2004A&A...415..391M. doi:10.1051/0004-6361:20034250.
External links
- "Notes for star HD 65216". The Extrasolar Planets Encyclopaedia. Retrieved 2008-08-22.
Coordinates: 
07h 53m 41.3223s, −63° 38′ 50.363″
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