HD 218061

Last updated
HD 218061
Observation data
Epoch J2000       Equinox J2000
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  mas [2]
Distance 622 ± 5  ly
(191 ± 2  pc)
Absolute magnitude  (MV)−0.31 [1]
Details
Mass 1.8 [2]   M☉
Radius 25 [6]   R☉
Luminosity 196 [6]   L☉
Surface gravity (log g)1.50 [7]   cgs
Temperature 4,291 [6]   K
Metallicity [Fe/H]−0.20 [7]   dex
Age 1.6 [2]   Gyr
Other designations
BD−17°6661, HD 218061, HIP 113998, HR 8783, SAO 165481 [8]
Database references
SIMBAD data

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 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 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. ↑ Høg, E.; Fabricius, C.; Makarov, V. V.; Urban, S.; Corbin, T.; Wycoff, G.; Bastian, U.; Schwekendiek, P.; Wicenec, A. (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.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics . 616. A1. arXiv: 1804.09365 . Bibcode: 2018A&A...616A...1G . doi: 10.1051/0004-6361/201833051 . Gaia DR2 record for this source at VizieR.
  6. 1 2 3 Fetherolf, Tara; Pepper, Joshua; Simpson, Emilie; Kane, Stephen R.; Močnik, Teo; English, John Edward; Antoci, Victoria; Huber, Daniel; Jenkins, Jon M.; Stassun, Keivan; Twicken, Joseph D.; Vanderspek, Roland; Winn, Joshua N. (2023). "Variability Catalog of Stars Observed during the TESS Prime Mission". The Astrophysical Journal Supplement Series. 268 (1): 4. arXiv: 2208.11721 . Bibcode:2023ApJS..268....4F. doi: 10.3847/1538-4365/acdee5 .
  7. 1 2 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. arXiv: 2212.11639 . Bibcode:2024A&A...685A..59M. doi:10.1051/0004-6361/202245762.
  8. ↑ "HD 218061". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2025-04-29.
  9. ↑ Catalog of Components of Double and Multiple Stars, CCDM J23052-1705B (accessed 20 September 2015)
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