HD 220035

Last updated
HD 220035
Observation data
Epoch J2000       Equinox J2000
Constellation Aquarius [1]
Right ascension 23h 20m 40.88873s [2]
Declination −05° 54′ 28.6987″ [2]
Apparent magnitude  (V)6.17 [3]
Characteristics
Evolutionary stage red giant branch [4]
Spectral type K0III [5]
U−B color index +0.97 [3]
B−V color index +1.07 [3]
Variable type suspected [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]
Distance 370 ± 20  ly
(113 ± 7  pc)
Absolute magnitude  (MV)+0.91 [1]
Details
Mass 1.2 [8]   M☉
Radius 13 [4]   R☉
Luminosity 62 [8]   L☉
Temperature 4,590 [8]   K
Metallicity [Fe/H]−0.35 [9]   dex
Rotational velocity (v sin i)<1.6 [10]  km/s
Age 6.8 [8]   Gyr
Other designations
BD−06°6191, HD 220035, HIP 115257, HR 8879, SAO 146652
Database references
SIMBAD data

HD 220035 is suspected variable star in the equatorial constellation of Aquarius.

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 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.
  3. 1 2 3 Johnson, 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. 1 2 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.
  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. Retrieved 2025-04-29.
  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. 1 2 3 4 Fouesneau, 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.


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