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HD 220035

From Wikipedia, the free encyclopedia
Star in the constellation Aquarius
HD 220035
Observation data
Epoch J2000      Equinox J2000
ConstellationAquarius[1]
Right ascension23h 20m 40.88873s[2]
Declination−05° 54′ 28.6987″[2]
Apparent magnitude (V)6.17[3]
Characteristics
Evolutionary stagered giant branch[4]
Spectral typeK0III[5]
U−Bcolor index+0.97[3]
B−Vcolor index+1.07[3]
Variable typesuspected[6]
Astrometry
Radial velocity (Rv)-1.9[7] km/s
Proper motion (μ)RA: -100.38[2]mas/yr
Dec.: -58.84[2]mas/yr
Parallax (π)8.84±0.52 mas[2]
Distance370 ± 20 ly
(113 ± 7 pc)
Absolute magnitude (MV)+0.91[1]
Details
Mass1.2[8] M☉
Radius13[4] R☉
Luminosity62[8] L☉
Temperature4,590[8] K
Metallicity[Fe/H]−0.35[9] dex
Rotational velocity (v sin i)<1.6[10] km/s
Age6.8[8] Gyr
Other designations
BD−06°6191,HD 220035,HIP 115257,HR 8879,SAO 146652
Database references
SIMBADdata

HD 220035 is suspectedvariable star in the equatorialconstellation ofAquarius.

References

[edit]
  1. ^abAnderson, 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. ^abcdevan 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.
  3. ^abcJohnson, H. L.; et al. (1966). "UBVRIJKL photometry of the bright stars".Communications of the Lunar and Planetary Laboratory.4 (99): 99.Bibcode:1966CoLPL...4...99J.
  4. ^abVallenari, 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 atVizieR.
  5. ^Cowley, A. P.; Bidelman, W. P. (February 1979)."MK spectral types for some F and G stars".Publications of the Astronomical Society of the Pacific.91:83–86.Bibcode:1979PASP...91...83C.doi:10.1086/130446.
  6. ^"NSV 14515".International Variable Star Index. Retrieved2025-04-29.
  7. ^Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system".Astronomy Letters.32 (11):759–771.arXiv:1606.08053.Bibcode:2006AstL...32..759G.doi:10.1134/S1063773706110065.S2CID 119231169.
  8. ^abcdFouesneau, M.; Andrae, R.; Dharmawardena, T.; Rybizki, J.; Bailer-Jones, C. A. L.; Demleitner, M. (2022). "Astrophysical parameters from Gaia DR2, 2MASS, and AllWISE".Astronomy and Astrophysics.662: A125.arXiv:2201.03252.Bibcode:2022A&A...662A.125F.doi:10.1051/0004-6361/202141828.
  9. ^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.
  10. ^De Medeiros, J. R.; Alves, S.; Udry, S.; Andersen, J.; Nordström, B.; Mayor, M. (2014). "A catalog of rotational and radial velocities for evolved stars. V. Southern stars".Astronomy and Astrophysics.561: A126.arXiv:1312.3474.Bibcode:2014A&A...561A.126D.doi:10.1051/0004-6361/201220762.

External links

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