Astronomy:HD 155035

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Short description: Star in the constellation Ara
HD 155035
Observation data
Equinox J2000.0]] (ICRS)
Constellation Ara
Right ascension  17h 11m 38.68225s[1]
Declination –48° 52′ 24.2305″[1]
Apparent magnitude (V) 5.92[2]
Spectral type M1.5 III[3]
U−B color index +1.85[4]
B−V color index +1.82[2]
Variable type LB[5]
Proper motion (μ) RA: 8.42[1] mas/yr
Dec.: –3.71[1] mas/yr
Parallax (π)2.93 ± 0.43[1] mas
Distanceapprox. 1,100 ly
(approx. 340 pc)
Other designations
V854 Ara, CD–48 11492, HD 155035, HIP 84105, HR 6374, SAO 227699, V854 Arae.[4]
Database references

HD 155035 is the Henry Draper Catalogue designation for a star in the constellation Ara, the Altar. It is located at a distance of approximately 1,100 light-years (340 parsecs)[1] from Earth and has an apparent visual magnitude of 5.92,[2] making it is faintly visible to the naked eye. This is a red giant star with a stellar classification of M1.5 III.[3] It an irregular variable that changes brightness over an amplitude range of 0.12 magnitudes.[6]


  1. 1.0 1.1 1.2 1.3 1.4 1.5 van Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics 474 (2): 653–664, doi:10.1051/0004-6361:20078357, Bibcode2007A&A...474..653V. 
  2. 2.0 2.1 2.2 Corben, P. M.; Stoy, R. H. (1968), "Photoelectric Magnitudes and Colours for Bright Southern Stars", Monthly Notes of the Astronomical Society of Southern Africa 27: 11, Bibcode1968MNSSA..27...11C. 
  3. 3.0 3.1 Houk, Nancy (1978), Michigan catalogue of two-dimensional spectral types for the HD stars, 2, Ann Arbor: Dept. of Astronomy, University of Michigan, 
  4. 4.0 4.1 "V854 Ara -- Pulsating variable Star", SIMBAD Astronomical Database (Centre de Données astronomiques de Strasbourg),, retrieved 2012-08-03. 
  5. Samus, N. N. 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. Bibcode2009yCat....102025S. 
  6. Adelman, S. J. (October 2000), "On the Variability of K5-M Stars", Information Bulletin on Variable Stars 4959 (1): 1, Bibcode2000IBVS.4959....1A. 

External links