HD 199442

The topic of HD 199442 is an issue that has aroused great interest in contemporary society. Over the years, HD 199442 has been the subject of debate, research and discussion in various areas, which demonstrates its relevance and impact today. From its origin to its influence today, HD 199442 has played a fundamental role in people's lives, culture and history. In this article, we will thoroughly explore the impact of HD 199442, analyzing its different facets and its importance in today's society.

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 mas[1]
Distance310 ± 10 ly
(94 ± 4 pc)
Details
Mass1.20[2] M☉
Luminosity1.65[2] L☉
Surface gravity (log g)2.49[2] cgs
Temperature4,605[2] K
Metallicity 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
SIMBADdata

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

References

  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, S2CID 18759600
  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 ^ a b Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV Data.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, S2CID 121883397


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