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HD 211575

HD 211575

The region around HD 211575
Observation data
Epoch J2000      Equinox J2000
Constellation Aquarius
Right ascension 22h 18m 04.2722s[1]
Declination −00° 14′ 15.557″[1]
Apparent magnitude (V) 6.40[2]
Characteristics
Spectral type F3 V[3]
B−V color index 0.441±0.003[4]
Astrometry
Radial velocity (Rv)+14.8±0.5[5] km/s
Proper motion (μ) RA: −41.997[1] mas/yr
Dec.: +54.407[1] mas/yr
Parallax (π)24.13 ± 0.29 mas[6]
Distance135 ± 2 ly
(41.4 ± 0.5 pc)
Absolute magnitude (MV)3.31[2]
Details
Mass1.27[7] M☉
Luminosity4.30[4] L☉
Surface gravity (log g)4.15[2] cgs
Temperature6,574±224[7] K
Metallicity [Fe/H]+0.11±0.11[5] dex
Rotational velocity (v sin i)19.0[2] km/s
Age150[5] Myr
Other designations
BD−00° 4333, HD 203222, HIP 110091, HR 8507, SAO 146004[8]
Database references
SIMBADdata

HD 211575 is a star in the constellation Aquarius in between "Gamma Aquarii", "Pi Aquarii" and "Sadalmelik". It is a member of the corona of the Ursa Major moving group.[9]

References

  1. ^ a b c d Brown, A. G. A.; et al. (2016), "Gaia Data Release 1. Summary of the astrometric, photometric, and survey properties", Astronomy and Astrophysics, 595, A2, arXiv:1609.04172, Bibcode:2016A&A...595A...2G, doi:10.1051/0004-6361/201629512, S2CID 1828208.
  2. ^ a b c d Paunzen, E.; et al. (July 2014), "Investigating the possible connection between λ Bootis stars and intermediate Population II type stars", Astronomy & Astrophysics, 567: 8, arXiv:1406.3936, Bibcode:2014A&A...567A..67P, doi:10.1051/0004-6361/201423817, S2CID 56332289, A67.
  3. ^ Houk, N.; Swift, C. (1999), "Michigan catalogue of two-dimensional spectral types for the HD Stars", Michigan Spectral Survey, 5, Bibcode:1999MSS...C05....0H.
  4. ^ a b 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, S2CID 119257644.
  5. ^ a b c Casagrande, L.; et al. (2011), "New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s). Improved astrophysical parameters for the Geneva-Copenhagen Survey", Astronomy & Astrophysics, 530 (A138): 21, arXiv:1103.4651, Bibcode:2011A&A...530A.138C, doi:10.1051/0004-6361/201016276, S2CID 56118016.
  6. ^ 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.
  7. ^ a b David, Trevor J.; Hillenbrand, Lynne A. (2015), "The Ages of Early-Type Stars: Strömgren Photometric Methods Calibrated, Validated, Tested, and Applied to Hosts and Prospective Hosts of Directly Imaged Exoplanets", The Astrophysical Journal, 804 (2): 146, arXiv:1501.03154, Bibcode:2015ApJ...804..146D, doi:10.1088/0004-637X/804/2/146, S2CID 33401607.
  8. ^ "HD 211575". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2018-05-11.
  9. ^ Chupina, N. V.; et al. (June 2006), "Kinematic structure of the corona of the Ursa Major flow found using proper motions and radial velocities of single stars", Astronomy and Astrophysics, 451 (3): 909−916, Bibcode:2006A&A...451..909C, doi:10.1051/0004-6361:20054009.
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