Phi1 Hydrae

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For other stars with this Bayer designation, see φ Hydrae
Phi1 Hydrae
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Hydra
Right ascension 10h 32m 41.16026s[1]
Declination −16° 57′ 31.4110″[1]
Apparent magnitude (V) 7.61[2]
Characteristics
Spectral type G2 V[3]
Astrometry
Radial velocity (Rv) +15.80±0.30[4] km/s
Proper motion (μ) RA: −20.09[1] mas/yr
Dec.: −86.78[1] mas/yr
Parallax (π) 13.63 ± 0.79[1] mas
Distance 240 ± 10 ly
(73 ± 4 pc)
Details[5]
Mass 1.34 M
Surface gravity (log g) 3.90±0.08 cgs
Temperature 5,992±50 K
Metallicity [Fe/H] +0.15±0.05 dex
Age 4.1 Gyr
Other designations
φ1 Hya, 43 Hya, BD−16° 3078, HD 91369, HIP 51614, SAO 156047.[6]
Database references
SIMBAD data

Phi1 Hydrae (φ1 Hya) is a star in the constellation Hydra. Its apparent magnitude is 7.61.

References[edit]

  1. ^ a b c d e van Leeuwen, F. (2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752Freely accessible, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357. 
  2. ^ Høg, E.; et al. (2000), "The Tycho-2 catalogue of the 2.5 million brightest stars", Astronomy and Astrophysics, 355: L27, Bibcode:2000A&A...355L..27H. 
  3. ^ Houk, N.; Smith-Moore, M. (1988), Michigan Catalogue of Two-dimensional Spectral Types for the HD Stars, 4, Ann Arbor, MI, USA: Department of Astronomy, University of Michigan, Bibcode:1988MSS...C04....0H. 
  4. ^ de Bruijne, J. H. J.; Eilers, A.-C. (October 2012), "Radial velocities for the HIPPARCOS-Gaia Hundred-Thousand-Proper-Motion project", Astronomy & Astrophysics, 546: 14, arXiv:1208.3048Freely accessible, Bibcode:2012A&A...546A..61D, doi:10.1051/0004-6361/201219219, A61. 
  5. ^ Bensby, T.; et al. (2014), "Exploring the Milky Way stellar disk. A detailed elemental abundance study of 714 F and G dwarf stars in the solar neighbourhood", Astronomy & Astrophysics, 562 (A71): 28, arXiv:1309.2631Freely accessible, Bibcode:2014A&A...562A..71B, doi:10.1051/0004-6361/201322631. 
  6. ^ "43 Hya -- Star", SIMBAD Astronomical Database, Centre de Données astronomiques de Strasbourg, retrieved 2017-01-09.