HR 8768

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HR 8768
Observation data
Epoch J2000      Equinox J2000
Constellation Andromeda
Right ascension 23h 02m 45.148s[1]
Declination +44° 03′ 31.50″[1]
Apparent magnitude (V) 6.40[2]
Characteristics
Spectral type B2V[3]
U−B color index -0.58[3]
B−V color index 0.04[3]
Variable type SPB[2]
Astrometry
Radial velocity (Rv) -11.30 ± 0.1[4] km/s
Proper motion (μ) RA: 0.35 ± 0.41[1] mas/yr
Dec.: -5.82 ± 0.44[1] mas/yr
Parallax (π) 3.07 ± 0.59[1] mas
Distance approx. 1,100 ly
(approx. 330 pc)
Absolute magnitude (MV) -1.16
Other designations
HR 8768, BD+43° 4378, HD 217811, SAO 52626, HIP 113802.
Database references
SIMBAD data

HR 8768, also known as LN Andromedae, is a slowly pulsating B star[2] in the constellation Andromeda. Located approximately 326 parsecs (1,060 ly) distant, it varies between apparent magnitudes 6.37 and 6.40 over a period of approximately 3.25 days.[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:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
  2. ^ a b c d VSX; Otero, S. A. (20 July 2012). "LN Andromedae". AAVSO Website. American Association of Variable Star Observers. Retrieved 10 October 2014. 
  3. ^ a b c "HR 378". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 22 June 2014. 
  4. ^ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters 32 (11): 759. doi:10.1134/S1063773706110065.  edit