HD 165493

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HD 165493
Observation data
Epoch J2000      Equinox J2000
Constellation Ara
Right ascension 18h 08m 30.1082s
Declination -45° 46′ 01.254″
Apparent magnitude (V) 6.153
Characteristics
Spectral type B7.5II
U−B color index -0.49
B−V color index -0.08
Astrometry
Radial velocity (Rv) -35 km/s
Proper motion (μ) RA: -2.56 mas/yr
Dec.: -17.39 mas/yr
Parallax (π) 4.0 ± 1.01 mas
Distance approx. 800 ly
(approx. 250 pc)
Absolute magnitude (MV) 6.065
Details
Mass 18 M
Radius R
Luminosity 2,24268 L
Temperature 10,000–30,000 K
Other designations
CD-45 12215, SAO 228734, HIP 88859.
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

HD 165493 is double star.

References[edit]