HD 158220

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HD 158220
Observation data
Epoch J2000      Equinox J2000
Constellation Ara
Right ascension 17h 31m 23.2833s
Declination -56° 55′ 15.471″
Apparent magnitude (V) 5.987
Characteristics
Spectral type B7II-III
B−V color index -0.08
Variable type Be star
Astrometry
Radial velocity (Rv) -3 km/s
Proper motion (μ) RA: -0.85 mas/yr
Dec.: -4.16 mas/yr
Parallax (π) 1.52 ± 0.76 mas
Distance approx. 2,000 ly
(approx. 700 pc)
Absolute magnitude (MV) -1.87
Details
Mass 18 M
Radius R
Luminosity 6,11525999 L
Temperature 10,000–30,000 K
Rotational velocity (v sin i) <= 41 km/s
Other designations
V* V862 Arae, CD-56° 6893, SAO 244808, HIP 85751, HR 6505.
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

HD 158220 or V862 Arae is a Be Star.

References[edit]