HD 174179

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HD 174179[1]
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Lyra
Right ascension 18h 47m 57.3730s
Declination +31° 45' 24.607"
Apparent magnitude (V) 6.047
Characteristics
Spectral type B3IVp
U−B color index -0.67
B−V color index -0.13
Astrometry
Radial velocity (Rv) -15.0 km/s
Proper motion (μ) RA: 0.10 mas/yr
Dec.: -3.85 mas/yr
Parallax (π) 3.07 ± 0.56 mas
Distance approx. 1,100 ly
(approx. 330 pc)
Other designations
HD 174179, HR 7081, BD+31°3369, SAO 67396, HIP 92243, GC 25768, GSC 02638-00548

HD 174179 is a 6th magnitude star in the constellation Lyra, approximately 1,100 light years from Earth. It is a bluish white subgiant star of the spectral type B3IVp, meaning it possesses a surface temperature of 11,000 to 25,000 kelvins. Its surface is at least twice as hot as the Sun, and it is larger and brighter in comparison.[1] The "p" in its spectral type signifies that there is an unspecified peculiarity with the star's spectral type.[2]

References[edit]

  1. ^ a b "Simbad Query Result". Simbad. Retrieved October 17, 2007. 
  2. ^ SkyTonight: The Spectral Types of Stars