HD 179791

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HD 179791
Observation data
Epoch J2000      Equinox J2000
Constellation Aquila
Right ascension 19h 13m 44.0264s
Declination +05° 30′ 56.179″
Apparent magnitude (V) 6.482
Characteristics
Spectral type A3V
U−B color index 0.11
B−V color index 0.09
Variable type Variable star
Astrometry
Radial velocity (Rv) 9 km/s
Proper motion (μ) RA: 7.51 mas/yr
Dec.: -13.44 mas/yr
Parallax (π) 5.45 ± 0.95 mas
Distance approx. 600 ly
(approx. 180 pc)
Absolute magnitude (MV) 6.57
Details
Mass 3.1 M
Radius 2.1 R
Luminosity 40 L
Temperature 7,500–10,000 K
Rotational velocity (v sin i) 175 km/s
Other designations
BD+05° 4081, HIP 94478, SAO 124410, HR 7288.
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

HD 179791 is variable star.

References[edit]