HD 88522

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HD 88522
Observation data
Epoch J2000      Equinox J2000
Constellation Antlia
Right ascension 10h 12m 02.852s[1]
Declination −28° 36′ 21.45″[1]
Apparent magnitude (V) 6.28
Characteristics
Spectral type A1V + A2V[2]
U−B color index -0.01
B−V color index 0.01
Astrometry
Radial velocity (Rv) 18 km/s
Proper motion (μ) RA: −38.74 ± 0.46[1] mas/yr
Dec.: −1.24 ± 0.48[1] mas/yr
Parallax (π) 6.55 ± 0.58[1] mas
Distance 500 ± 40 ly
(150 ± 10 pc)
Details
Mass 3.1 M
Radius 2.1 R
Luminosity 40 L
Temperature 7,500–10,000 K
Other designations
SAO 178526, CD-27° 7266, HIP 49967, HR 4003.
Database references
SIMBAD data

HD 88522 is a double or multiple star. The component stars are two white stars of similar spectral type—A1V and A2V—and luminosity.[2]

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. arXiv:0708.1752Freely accessible. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
  2. ^ a b Cvetkovic, Z.; Ninkovic, S. (2010). "On the Component Masses of Visual Binaries". Serbian Astronomical Journal. 180: 71–80. Bibcode:2010SerAJ.180...71C. doi:10.2298/SAJ1080071C.