Astronomy:HD 218061

From HandWiki
Short description: Orange giant star in the constellation Aquarius
HD 218061
Observation data
Equinox J2000.0]] (ICRS)
Constellation Aquarius[1]
Right ascension  23h 5m 12.854s[2]
Declination −17° 4′ 45.28″[2]
Apparent magnitude (V) 6.14[3]
Characteristics
Evolutionary stage red giant branch[2]
Spectral type K4III[4]
Astrometry
Radial velocity (Rv)14.67±0.17[5] km/s
Proper motion (μ) RA: −40.851[2] mas/yr
Dec.: −37.904[2] mas/yr
Parallax (π)5.2458 ± 0.0418[2] mas
Distance622 ± 5 ly
(191 ± 2 pc)
Absolute magnitude (MV)−0.31[1]
Details
Mass1.8[2] M☉
Radius25[6] R☉
Luminosity196[6] L☉
Surface gravity (log g)1.50[7] cgs
Temperature4,291[6] K
Metallicity [Fe/H]−0.20[7] dex
Age1.6[2] Gyr
Other designations
BD−17°6661, HD 218061, HIP 113998, HR 8783, SAO 165481[8]
Database references
SIMBADdata

HD 218061 is a class K4III (orange giant) star in the constellation Aquarius. Its apparent magnitude is 6.14 and it is approximately 622 light years away based on parallax.

It has a companion B of apparent magnitude 11.4 and separation 55.1".[9]

References

  1. ↑ 1.0 1.1 Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters 38 (5): 331. doi:10.1134/S1063773712050015. Bibcode: 2012AstL...38..331A. 
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 Vallenari, A. et al. (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. doi:10.1051/0004-6361/202243940  Gaia DR3 record for this source at VizieR.
  3. ↑ Høg, E.; Fabricius, C.; Makarov, V. V.; Urban, S.; Corbin, T.; Wycoff, G.; Bastian, U.; Schwekendiek, P. et al. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics 355. Bibcode: 2000A&A...355L..27H. 
  4. ↑ Houk, N.; Smith-Moore, M. (1988). "Michigan Catalogue of Two-dimensional Spectral Types for the HD Stars. Volume 4, Declinations -26°.0 to -12°.0.". Michigan Catalogue of Two-dimensional Spectral Types for the HD Stars. Volume 4 4. Bibcode: 1988mcts.book.....H. 
  5. ↑ Brown, A. G. A. (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics 616: A1. doi:10.1051/0004-6361/201833051. Bibcode: 2018A&A...616A...1G.  Gaia DR2 record for this source at VizieR.
  6. ↑ 6.0 6.1 6.2 Fetherolf, Tara; Pepper, Joshua; Simpson, Emilie; Kane, Stephen R.; Močnik, Teo; English, John Edward; Antoci, Victoria; Huber, Daniel et al. (2023). "Variability Catalog of Stars Observed during the TESS Prime Mission". The Astrophysical Journal Supplement Series 268 (1): 4. doi:10.3847/1538-4365/acdee5. Bibcode: 2023ApJS..268....4F. 
  7. ↑ 7.0 7.1 Matsuno, Tadafumi; Starkenburg, Else; Balbinot, Eduardo; Helmi, Amina (2024). "Improving metallicity estimates for very metal-poor stars in the Gaia DR3 GSP-Spec catalog". Astronomy and Astrophysics 685: A59. doi:10.1051/0004-6361/202245762. Bibcode: 2024A&A...685A..59M. 
  8. ↑ "HD 218061". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+218061. 
  9. ↑ Catalog of Components of Double and Multiple Stars, CCDM J23052-1705B (accessed 20 September 2015)



Retrieved from "https://handwiki.org/wiki/index.php?title=Astronomy:HD_218061&oldid=3920910"