HD 199442

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HD 199442
Observation data
Epoch J2000      Equinox J2000
Constellation Aquarius
Right ascension 20h 57m 10.57663s[1]
Declination +00° 27′ 49.6073″[1]
Apparent magnitude (V) 6.065[2]
Characteristics
Spectral type K2III[2]
U−B color index +1.29[3]
B−V color index +1.22[3]
Astrometry
Radial velocity (Rv) −26.47[2] km/s
Proper motion (μ) RA: +10.70[1] mas/yr
Dec.: −62.77[1] mas/yr
Parallax (π) 10.64 ± 0.44[1] mas
Distance 310 ± 10 ly
(94 ± 4 pc)
Details
Mass 1.20[2] M
Luminosity 1.65[2] L
Surface gravity (log g) 2.49[2] cgs
Temperature 4,605[2] K
Metallicity [Fe/H] 0.19[2] dex
Rotational velocity (v sin i) 2.7[4] km/s
Other designations
ADS 14457 A, BD-00° 4132, HIP 103414, HR 8017, SAO 126396
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

HD 199442 is a giant star situated in the Aquarius constellation. It is located about 310 light years from the solar system.

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 
  2. ^ a b c d e f g h Luck, R. Earle; Heiter, Ulrike (June 2007), "Giants in the Local Region", The Astronomical Journal 133 (6): 2464–2486, Bibcode:2007AJ....133.2464L, doi:10.1086/513194 
  3. ^ a b Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV data. SIMBAD, Bibcode:1986EgUBV........0M 
  4. ^ Massarotti, Alessandro et al. (January 2008), "Rotational and radial velocities for a sample of 761 HIPPARCOS giants and the role of binarity", The Astronomical Journal 135 (1): 209–231, Bibcode:2008AJ....135..209M, doi:10.1088/0004-6256/135/1/209 

External links[edit]