83 Ursae Majoris

From Wikipedia, the free encyclopedia
Jump to: navigation, search
83 Ursae Majoris
Observation data
Epoch J2000      Equinox J2000
Constellation Ursa Major
Right ascension 13h 40m 44.27335s[1]
Declination +54° 40′ 53.8891″[1]
Characteristics
Evolutionary stage M2III[2]
Variable type SRb[3]
Astrometry
Radial velocity (Rv) -18.61[2] km/s
Proper motion (μ) RA: -19.06[1] mas/yr
Dec.: -10.56[1] mas/yr
Parallax (π) 6.23 ± 0.22[1] mas
Distance 520 ± 20 ly
(161 ± 6 pc)
Other designations
83 UMa, IQ UMa, HR 5154, HIP 66738, HD 119228, SAO 28843, BD+55° 1625
Database references
SIMBAD data

83 Ursae Majoris (83 UMa) is a star in the constellation Ursa Major. Its apparent magnitude is 4.65.

83 Ursae Majoris is a semiregular variable star, like Mira; for that reason it has been given the variable star designation IQ Ursae Majoris.[3]

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. Bibcode:2007A&A...474..653V. arXiv:0708.1752Freely accessible. doi:10.1051/0004-6361:20078357. 
  2. ^ a b "83 UMa". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 29 January 2017. 
  3. ^ a b Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/gcvs. Originally published in: 2009yCat....102025S. 1. Bibcode:2009yCat....102025S. 

External links[edit]