Wikipedia
HD 211575
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]
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] |
| Distance | 135 ± 2 ly (41.4 ± 0.5 pc) |
| Absolute magnitude (MV) | 3.31[2] |
| Details | |
| Mass | 1.27[7] M☉ |
| Luminosity | 4.30[4] L☉ |
| Surface gravity (log g) | 4.15[2] cgs |
| Temperature | 6,574±224[7] K |
| Metallicity [Fe/H] | +0.11±0.11[5] dex |
| Rotational velocity (v sin i) | 19.0[2] km/s |
| Age | 150[5] Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
References edit
- ^ 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.
- ^ 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.
- ^ Houk, N.; Swift, C. (1999), "Michigan catalogue of two-dimensional spectral types for the HD Stars", Michigan Spectral Survey, 5, Bibcode:1999MSS...C05....0H.
- ^ 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.
- ^ 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.
- ^ 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.
- ^ 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.
- ^ "HD 211575". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2018-05-11.
- ^ 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.