Zeta Monocerotis

ζ Monocerotis
Observation data
Epoch J2000      Equinox J2000
Constellation Monoceros
Right ascension 08h 08m 35.64663s[1]
Declination −2° 59′ 01.6361″[1]
Apparent magnitude (V) 4.33[2]
Characteristics
Spectral type G2Ib[3]
U−B color index +0.72[2]
B−V color index +0.97[2]
Astrometry
Radial velocity (Rv)+29.80[4] km/s
Proper motion (μ) RA: -18.81[1] mas/yr
Dec.: -4.50[1] mas/yr
Parallax (π)3.08 ± 0.27[1] mas
Distance1,060 ± 90 ly
(320 ± 30 pc)
Absolute magnitude (MV)-3.18[5]
Details
Mass6.2[6] M☉
Luminosity2207[5] L☉
Surface gravity (log g)1.75[7] cgs
Temperature5,289[8] K
Metallicity [Fe/H]+0.01[7] dex
Rotational velocity (v sin i)17[3] km/s
Other designations
BD-02 2450, CCDM J08086-0259A, 29 Monocerotis, 29 Mon, GC 11051, HIP 39863, HR 3188, HD 67594, SAO 135551, WDS J08086-0259A
Database references
SIMBADdata

Zeta Monocerotis (ζ Mon) is a class G2I[3] (yellow supergiant) star in the constellation Monoceros. Its apparent magnitude is 4.33[2] and it is approximately 1060 light years away based on parallax.[1]

It has three reported companions, B, with separation 33.3" and magnitude 10.32, C, with separation 65.1" and magnitude 9.68, and D, with separation 38.1" and magnitude 13.4.[9]

References

  1. 1 2 3 4 5 6 Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752Freely accessible. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
  2. 1 2 3 4 Ducati, J. R. (2002). "VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system". CDS/ADC Collection of Electronic Catalogues. 2237. Bibcode:2002yCat.2237....0D.
  3. 1 2 3 Hoffleit, D.; Warren, W. H. (1995). "VizieR Online Data Catalog: Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)". VizieR On-line Data Catalog: V/50. Originally published in: 1964BS....C......0H. 5050. Bibcode:1995yCat.5050....0H.
  4. ↑ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.
  5. 1 2 Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971Freely accessible. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. Vizier catalog entry
  6. ↑ Tetzlaff, N.; Neuhäuser, R.; Hohle, M. M. (2011). "A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun". Monthly Notices of the Royal Astronomical Society. 410: 190. arXiv:1007.4883Freely accessible. Bibcode:2011MNRAS.410..190T. doi:10.1111/j.1365-2966.2010.17434.x. Vizier catalog entry
  7. 1 2 Soubiran, Caroline; Le Campion, Jean-François; Brouillet, Nathalie; Chemin, Laurent (2016). "The PASTEL catalogue: 2016 version". Astronomy & Astrophysics. 591: A118. arXiv:1605.07384Freely accessible. Bibcode:2016A&A...591A.118S. doi:10.1051/0004-6361/201628497.
  8. ↑ McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental parameters and infrared excesses of Hipparcos stars". Monthly Notices of the Royal Astronomical Society. 427: 343. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x. Vizier catalog entry
  9. ↑ Mason, Brian D.; Wycoff, Gary L.; Hartkopf, William I.; Douglass, Geoffrey G.; Worley, Charles E. (2001). "The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog". The Astronomical Journal. 122 (6): 3466. Bibcode:2001AJ....122.3466M. doi:10.1086/323920. Vizier catalog entry
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