HD 160529

HD 160529

A visual band light curve for V905 Scorpii. The red points are from Sterken et al. (1997),[1] and the blue points are ASAS data.[2]
Observation data
Epoch J2000      Equinox J2000
Constellation Scorpius
Right ascension 17h 41m 59.025s[3]
Declination −33° 30′ 13.71″[3]
Apparent magnitude (V) 6.66[4] (6.3–6.9[5])
Characteristics
Spectral type LBV
U−B color index +0.30[4]
B−V color index +1.21[4]
Variable type LBV[5]
Astrometry
Radial velocity (Rv)−35[6] km/s
Proper motion (μ) RA: −1.75[3] mas/yr
Dec.: −1.49[3] mas/yr
Parallax (π)0.54 ± 0.54 mas[3]
Distance2,500[7] pc
Absolute magnitude (MV)−8.9[8]
Details
Mass13[8] M☉
Radius150–330[5] R☉
Luminosity290,000[7] L☉
Surface gravity (log g)0.55[8] cgs
Temperature8,000–12,000[5] K
Rotational velocity (v sin i)45[5] km/s
Other designations
V905 Sco, HD 160529, CD −33°12361, SAO 209151, HIP 86624
Database references
SIMBADdata

HD 160529 (V905 Scorpii) is a luminous blue variable (LBV) star located in the constellation of Scorpius. With an apparent magnitude of around +6.8 cannot be seen with the naked eye except under very favourable conditions, but it is easy to see with binoculars or amateur telescopes.

  1. ^ Cite error: The named reference Sterken was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference ASASServer was invoked but never defined (see the help page).
  3. ^ a b c d e Van Leeuwen, F. (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. S2CID 18759600.
  4. ^ a b c 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: 0. Bibcode:2002yCat.2237....0D.
  5. ^ a b c d e Cite error: The named reference stahl2003 was invoked but never defined (see the help page).
  6. ^ 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. S2CID 119231169.
  7. ^ a b Nazé, Y.; Rauw, G.; Hutsemékers, D. (2012). "The first X-ray survey of Galactic luminous blue variables". Astronomy & Astrophysics. 538: A47. arXiv:1111.6375. Bibcode:2012A&A...538A..47N. doi:10.1051/0004-6361/201118040. S2CID 43688343.
  8. ^ a b c Cite error: The named reference sterken1991 was invoked but never defined (see the help page).