HD 65216

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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
Distance116 ± 2 ly
(35.6 ± 0.7 pc)
Details
Mass0.95 ± 0.01[2] M
Radius0.864 ± 0.003[2] R
Luminosity0.716 ± 0.001[2] L
Surface gravity (log g)4.53 ± 0.01[2] cgs
Temperature5718 ± 8[2] K
Age1.7 ± 0.5[2] Gyr
Other designations
CD−63°359, HIP 38558, SAO 250002
Database references
SIMBADdata

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[edit]

An extrasolar planet (designated as HD 65216 b) is known to orbit the star.

The HD 65216 planetary system[3]
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[edit]

References[edit]

  1. ^ a b c d e 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
  2. ^ a b c d e f 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.
  3. ^ 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[edit]

Coordinates: Sky map 07h 53m 41.3223s, −63° 38′ 50.363″