HD 199442

Last updated
HD 199442
Observation data
Epoch J2000       Equinox J2000
Constellation Aquarius [1]
Right ascension 20h 57m 10.57748s [2]
Declination +00° 27′ 49.6076″ [2]
Apparent magnitude  (V)6.065 [3]
Characteristics
Evolutionary stage red giant branch [2]
Spectral type K2III [3]
U−B color index +1.29 [4]
B−V color index +1.22 [4]
Astrometry
Radial velocity (Rv)−26.47 [3] km/s
Proper motion (μ)RA: +12.078 [2] mas/yr
Dec.: −62.766 [2] mas/yr
Parallax (π)10.0850±0.0398  mas [2]
Distance 323 ± 1  ly
(99.2 ± 0.4  pc)
Absolute magnitude  (MV)+1.2 [1]
Details
Mass 1.4 [5]   M☉
Radius 11.5 [2]   R☉
Luminosity 48 [2]   L☉
Surface gravity (log g)2.44 [5]   cgs
Temperature 4,625 [5]   K
Metallicity [Fe/H]0.01 [5]   dex
Rotational velocity (v sin i)2.7 [6]  km/s
Age 4.5 [2]   Gyr
Other designations
ADS 14457 A, BD−00°4132, HIP 103414, HR 8017, SAO 126396
Database references
SIMBAD data

HD 199442 is a giant star situated in the Aquarius constellation. It is located about 323 light years from the Solar System.

References

  1. 1 2 Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv: 1108.4971 . Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015.
  2. 1 2 3 4 5 6 7 8 9 Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv: 2208.00211 . Bibcode:2023A&A...674A...1G. doi: 10.1051/0004-6361/202243940 . S2CID   244398875. Gaia DR3 record for this source at VizieR.
  3. 1 2 3 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 .
  4. 1 2 Mermilliod, J.-C. (1986). "Compilation of Eggen's UBV data, transformed to UBV (unpublished)". Catalogue of Eggen's UBV Data. SIMBAD. Bibcode:1986EgUBV........0M.
  5. 1 2 3 4 Khalatyan, A.; Anders, F.; Chiappini, C.; Queiroz, A. B. A.; Nepal, S.; Dal Ponte, M.; Jordi, C.; Guiglion, G.; Valentini, M.; Torralba Elipe, G.; Steinmetz, M.; Pantaleoni-González, M.; Malhotra, S.; Jiménez-Arranz, Ó.; Enke, H.; Casamiquela, L.; Ardèvol, J. (2024). "Transferring spectroscopic stellar labels to 217 million Gaia DR3 XP stars with SHBoost". Astronomy and Astrophysics. 691: A98. arXiv: 2407.06963 . Bibcode:2024A&A...691A..98K. doi:10.1051/0004-6361/202451427.
  6. ↑ 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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