HD 33283

HD 33283 is an 8th magnitude star in the constellation Lepus. It is located 90 parsecs (294 light years) away from the solar system. HD 33283 is similar to our Sun in terms of spectral type [G4V].

HD 33283
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Lepus
Right ascension  05h 08m 01.0123s[1]
Declination −26° 47′ 50.8941″[1]
Apparent magnitude (V) 8.05[2]
Characteristics
Spectral type G3/5V[2]
B−V color index 0.641±0.009[2]
Astrometry
Radial velocity (Rv)+4.51±0.19[2] km/s
Proper motion (μ) RA: 56.184±0.046[1] mas/yr
Dec.: −46.058±0.055[1] mas/yr
Parallax (π)11.0993 ± 0.0286[1] mas
Distance293.9 ± 0.8 ly
(90.1 ± 0.2 pc)
Absolute magnitude (MV)3.19[2]
Details[3]
Mass1.39±0.04 M☉
Radius1.95±0.04 R☉
Luminosity4.37±0.02 L☉
Surface gravity (log g)3.99±0.03 cgs
Temperature5,985±57 K
Metallicity [Fe/H]0.35±0.08[2] dex
Rotational velocity (v sin i)1.09±0.26[4] km/s
Age3.6±0.6 Gyr
Other designations
CD–26°2029, FK5 4470, GC 6286, HD 33283, HIP 23889, SAO 170100, PPM 75021[5]
Database references
SIMBADdata

In 2006, Johnson found a jovian planet orbiting HD 33283.[6]

The HD 33283 planetary system[7]
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity Inclination Radius
b ≥0.329±0.071 MJ 0.1508±0.0087 18.1991±0.0017 0.399±0.056 — —

See also

References
  1. Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  2. Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015.
  3. 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.
  4. Jofré, E.; et al. (2015). "Stellar parameters and chemical abundances of 223 evolved stars with and without planets". Astronomy & Astrophysics. 574: A50. arXiv:1410.6422. Bibcode:2015A&A...574A..50J. doi:10.1051/0004-6361/201424474.
  5. "HD 33283". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-06-25.
  6. Johnson, John Asher; et al. (2006). "The N2K Consortium. VI. Doppler Shifts without Templates and Three New Short-Period Planets". The Astrophysical Journal. 647 (1): 600–611. arXiv:astro-ph/0604348. Bibcode:2006ApJ...647..600J. doi:10.1086/505173.
  7. Ment, Kristo; et al. (2018). "Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810". The Astronomical Journal. 156 (5). 213. arXiv:1809.01228. Bibcode:2018AJ....156..213M. doi:10.3847/1538-3881/aae1f5.


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