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35 Aquarii, also known by its Flamsteed designation, is a single[9] star located approximately 2,200 light years away from the Sun in the zodiac constellation of Aquarius. It is visible to the naked eye as a faint, blue-white star with an apparent visual magnitude of 5.80.[2] This object is moving closer to Earth with a heliocentric radial velocity of −7 km/s,[2] and is suspected to be a runaway star, potentially ejected from an open cluster due to a binary–binary interaction.[10]

This star is a blue giant with a stellar classification of B2 III,[3] indicating that it is a massive star that has evolved off the main sequence. With an age of around 22.5[4] million years, it has a relatively low projected rotational velocity of 10 km/s.[7] The star has a mass of 10[4] times the mass of the Sun and is radiating 1,622[5] times the Sun's luminosity from its photosphere at an effective temperature of 17,400 K.[6]

References

  1. ^ a b c d e Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  2. ^ a b c d e 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.
  3. ^ a b Houk, Nancy; Smith-Moore, M. (1978), Michigan catalogue of two-dimensional spectral types for the HD stars, vol. 4, Ann Arbor: Dept. of Astronomy, University of Michigan, Bibcode:1988mcts.book.....H.
  4. ^ a b c d Tetzlaff, N.; et al. (January 2011), "A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun", Monthly Notices of the Royal Astronomical Society, 410 (1): 190–200, arXiv:1007.4883, Bibcode:2011MNRAS.410..190T, doi:10.1111/j.1365-2966.2010.17434.x, S2CID 118629873.
  5. ^ a b Simón-Díaz, S.; et al. (2017), "The IACOB project. III. New observational clues to understand macroturbulent broadening in massive O- and B-type stars", Astronomy and Astrophysics, 597: A22, arXiv:1608.05508, Bibcode:2017A&A...597A..22S, doi:10.1051/0004-6361/201628541, S2CID 3478126.
  6. ^ a b c Lyubimkov, Leonid S.; et al. (June 2002), "Surface abundances of light elements for a large sample of early B-type stars - II. Basic parameters of 107 stars", Monthly Notices of the Royal Astronomical Society, 333 (1): 9–26, Bibcode:2002MNRAS.333....9L, doi:10.1046/j.1365-8711.2002.05341.x.
  7. ^ a b Strom, Stephen E.; et al. (2005), "B Star Rotational Velocities in h and χ Persei: A Probe of Initial Conditions during the Star Formation Epoch?", The Astronomical Journal, 129 (2): 809–828, arXiv:astro-ph/0410337, Bibcode:2005AJ....129..809S, doi:10.1086/426748, S2CID 15059129.
  8. ^ "35 Aqr". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2019-05-16.
  9. ^ Eggleton, P. P.; Tokovinin, A. A. (2008), "A catalogue of multiplicity among bright stellar systems", Monthly Notices of the Royal Astronomical Society, 389 (2): 869, arXiv:0806.2878, Bibcode:2008MNRAS.389..869E, doi:10.1111/j.1365-2966.2008.13596.x, S2CID 14878976.
  10. ^ Leonard, Peter J. T.; Duncan, Martin J. (February 1990), "Runaway Stars from Young Star Clusters Containing Initial Binaries. II. A Mass Spectrum and a Binary Energy Spectrum", Astronomical Journal, 99: 608, Bibcode:1990AJ.....99..608L, doi:10.1086/115354.
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