HD 36780

HD 36780
Location of HD 36780 (circled) in the Orion's Belt region
Credit: Martin Mutti
Observation data
Epoch J2000      Equinox J2000
Constellation Orion
Right ascension 05h 34m 04.04767s[1]
Declination −01° 28′ 12.9115″[1]
Apparent magnitude (V) +5.895[2]
Characteristics
Spectral type K4III[3]
U−B color index +1.87[4]
B−V color index +1.55[4]
Astrometry
Radial velocity (Rv)88.40 ± 1.7[5] km/s
Proper motion (μ) RA: −13.59[1] mas/yr
Dec.: −19.95[1] mas/yr
Parallax (π)4.77 ± 0.54[1] mas
Distanceapprox. 680 ly
(approx. 210 pc)
Other designations
HD 36780, BD−01° 950, HIP 26108, HR 1874, SAO 132270[6]
Database references
SIMBADdata

HD 36780 is an orange giant star with a visual magnitude of 5.92, barely visible by the naked eye. It is located in Orion's belt, 843 light years distant from Earth.

References

  1. 1 2 3 4 5 van Leeuwen, F.; et al. (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.
  2. ↑ Høg, E.; et al. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics. 355: L27–L30. Bibcode:2000A&A...355L..27H.
  3. ↑ Houk, N.; Swift, C. (1999). "Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5". Michigan Spectral Survey. 5: 0. Bibcode:1999MSS...C05....0H.
  4. 1 2 Johnson, H. L. (1966). "UBVRIJKL Photometry of the Bright Stars". Communications of the Lunar and Planetary Laboratory. 4: 99. Bibcode:1966CoLPL...4...99J.
  5. ↑ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.
  6. ↑ "HD 36780". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 13 March 2017.


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