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HD 215114

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HD 215114
Observation data
Epoch J2000      Equinox J2000
Constellation Aquarius[1]
Right ascension 22h 43m 03.41351s[2]
Declination −08° 18′ 41.1864″[2]
Apparent magnitude (V) 6.45[3]
Characteristics
Spectral type A5V[4]
U−B color index +0.12[3]
B−V color index +0.17[3]
Astrometry
Radial velocity (Rv)5.00[5] km/s
Proper motion (μ) RA: +15.73[2] mas/yr
Dec.: −4.03[2] mas/yr
Parallax (π)5.28±1.75 mas[2]
Distanceapprox. 600 ly
(approx. 190 pc)
Absolute magnitude (MV)+0.67[1]
Details
A
Mass1.9[6] M☉
Radius3.4[6] R☉
Luminosity41[6] L☉
Surface gravity (log g)3.67[6] cgs
Temperature7,980[6] K
Rotational velocity (v sin i)159[7] km/s
Age288[8] Myr
B
Mass1.8[6] M☉
Radius2.1[6] R☉
Luminosity14[6] L☉
Surface gravity (log g)4.03[6] cgs
Temperature7,648[6] K
Other designations
BD−09°6038, HIP 112168, HR 8645, SAO 146271, WDS J22431-0819
Database references
SIMBADdata

HD 215114 is a double star in the equatorial constellation of Aquarius. As of 2012, the pair have an angular separation of 2.29″ along a position angle of 306.4°.[9]

References

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  1. ^ 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.
  2. ^ a b c d e 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. ^ a b c Nicolet, B. (1978), "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System", Astronomy and Astrophysics Supplement Series, 34: 1–49, Bibcode:1978A&AS...34....1N
  4. ^ Cowley, A.; et al. (April 1969), "A study of the bright A stars. I. A catalogue of spectral classifications", Astronomical Journal, 74: 375–406, Bibcode:1969AJ.....74..375C, doi:10.1086/110819
  5. ^ Kharchenko, N. V.; et al. (2007), "Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ˜55000 stars and mean radial velocities of 516 Galactic open clusters and associations", Astronomische Nachrichten, 328 (9): 889, arXiv:0705.0878, Bibcode:2007AN....328..889K, doi:10.1002/asna.200710776, S2CID 119323941
  6. ^ a b c d e f g h i j Stassun, Keivan G.; et al. (2019). "The Revised TESS Input Catalog and Candidate Target List". The Astronomical Journal. 158 (4): 138. arXiv:1905.10694. Bibcode:2019AJ....158..138S. doi:10.3847/1538-3881/ab3467.
  7. ^ Royer, F.; et al. (February 2007), "Rotational velocities of A-type stars. III. Velocity distributions", Astronomy and Astrophysics, 463 (2): 671–682, arXiv:astro-ph/0610785, Bibcode:2007A&A...463..671R, doi:10.1051/0004-6361:20065224, S2CID 18475298
  8. ^ 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.
  9. ^ Mason, Brian D.; et al. (September 2013), "Speckle Interferometry at the U.S. Naval Observatory. XIX" (PDF), The Astronomical Journal, 146 (3): 9, Bibcode:2013AJ....146...56M, doi:10.1088/0004-6256/146/3/56, 56, archived from the original on June 12, 2017
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