Astronomy:HD 215114

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Short description: Double star in the constellation Aquarius
HD 215114
Observation data
Equinox J2000.0]] (ICRS)
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[2] mas
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

  1. ↑ 1.0 1.1 Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters 38 (5): 331. doi:10.1134/S1063773712050015. Bibcode: 2012AstL...38..331A. 
  2. ↑ 2.0 2.1 2.2 2.3 2.4 van Leeuwen, F. (2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics 474 (2): 653–664, doi:10.1051/0004-6361:20078357, Bibcode: 2007A&A...474..653V 
  3. ↑ 3.0 3.1 3.2 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, doi:10.1086/110819, Bibcode: 1969AJ.....74..375C 
  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, doi:10.1002/asna.200710776, Bibcode: 2007AN....328..889K 
  6. ↑ 6.00 6.01 6.02 6.03 6.04 6.05 6.06 6.07 6.08 6.09 Stassun, Keivan G. et al. (2019). "The Revised TESS Input Catalog and Candidate Target List". The Astronomical Journal 158 (4): 138. doi:10.3847/1538-3881/ab3467. Bibcode: 2019AJ....158..138S. 
  7. ↑ Royer, F. et al. (February 2007), "Rotational velocities of A-type stars. III. Velocity distributions", Astronomy and Astrophysics 463 (2): 671–682, doi:10.1051/0004-6361:20065224, Bibcode: 2007A&A...463..671R 
  8. ↑ Vallenari, A. et al. (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. doi:10.1051/0004-6361/202243940  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", The Astronomical Journal 146 (3): 9, doi:10.1088/0004-6256/146/3/56, 56, Bibcode: 2013AJ....146...56M, https://apps.dtic.mil/sti/pdfs/ADA492428.pdf 




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