HD 183144

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HD 183144
Observation data
Epoch J2000      Equinox J2000
Constellation Aquila
Right ascension 19h 27m 33.90886s[1]
Declination +14° 16′ 56.9328″[1]
Apparent magnitude (V) 6.32[2]
Characteristics
Spectral type B4III[3]
U−B color index -0.52[2]
B−V color index -0.07[2]
R−I color index 1.41
Astrometry
Radial velocity (Rv) +4.0[4] km/s
Proper motion (μ) RA: 8.07[1] mas/yr
Dec.: −4.12[1] mas/yr
Parallax (π) 3.96 ± 0.50[1] mas
Distance approx. 800 ly
(approx. 250 pc)
Details
Mass 5.01±0.05[5] M
Luminosity 179[6] L
Temperature 9,682[6] K
Rotational velocity (v sin i) 200[7] km/s
Other designations
BD+13° 4020, HD 183144, HIP 95664, HR 7396, SAO 104862.
Database references
SIMBAD data

HD 183144 is suspected[8] variable star in the equatorial constellation of Aquila.

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:0708.1752free to read. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. 
  2. ^ a b c Crawford, D. L.; et al. (1971), "Four-color, H-beta, and UBV photometry for bright B-type stars in the northern hemisphere", The Astronomical Journal, 76: 1058, Bibcode:1971AJ.....76.1058C, doi:10.1086/111220 
  3. ^ Lesh, Janet Rountree (December 1968), "The Kinematics of the Gould Belt: an Expanding Group?", Astrophysical Journal Supplement, 17: 371, Bibcode:1968ApJS...17..371L, doi:10.1086/190179 
  4. ^ Wielen, R.; et al. (1999), Sixth Catalogue of Fundamental Stars (FK6). Part I. Basic fundamental stars with direct solutions, 35, Veröffentlichungen des Astronomisches Rechen-Institut Heidelberg, Bibcode:1999VeARI..35....1W 
  5. ^ Hohle, M. M.; Neuhäuser, R.; Schutz, B. F. (April 2010), "Masses and luminosities of O- and B-type stars and red supergiants", Astronomische Nachrichten, 331 (4): 349, arXiv:1003.2335free to read, Bibcode:2010AN....331..349H, doi:10.1002/asna.200911355 
  6. ^ a b McDonald, I.; et al. (2012), "Fundamental Parameters and Infrared Excesses of Hipparcos Stars", Monthly Notices of the Royal Astronomical Society, 427 (1): 343–57, arXiv:1208.2037free to read, Bibcode:2012MNRAS.427..343M, doi:10.1111/j.1365-2966.2012.21873.x 
  7. ^ Abt, Helmut A.; et al. (July 2002), "Rotational Velocities of B Stars", The Astrophysical Journal, 573 (1): 359–365, Bibcode:2002ApJ...573..359A, doi:10.1086/340590 
  8. ^ Kukarkin, B. V.; et al. (1981), "Nachrichtenblatt der Vereinigung der Sternfreunde e.V. (Catalogue of suspected variable stars)", Nachrichtenblatt der Vereinigung der Sternfreunde e.V. (1981), Moscow: Academy of Sciences USSR Shternberg, Bibcode:1981NVS...C......0K 

External links[edit]