Astronomy:HD 215114
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Short description: Double star in the constellation Aquarius
Observation data Equinox J2000.0]] (ICRS) | |
---|---|
Constellation | Aquarius |
Right ascension | 22h 43m 03.41351s[1] |
Declination | −08° 18′ 41.1864″[1] |
Apparent magnitude (V) | 6.45[2] |
Characteristics | |
Spectral type | A5V[3] |
U−B color index | +0.12[2] |
B−V color index | +0.17[2] |
Astrometry | |
Radial velocity (Rv) | 5.00[4] km/s |
Proper motion (μ) | RA: +15.73[1] mas/yr Dec.: −4.03[1] mas/yr |
Parallax (π) | 5.28 ± 1.75[1] mas |
Distance | approx. 600 ly (approx. 190 pc) |
Details | |
Rotational velocity (v sin i) | 159[5] km/s |
Other designations | |
Database references | |
SIMBAD | data |
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°.[6]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 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
- ↑ 2.0 2.1 2.2 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
- ↑ 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
- ↑ 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
- ↑ 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
- ↑ 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
External links
Original source: https://en.wikipedia.org/wiki/HD 215114.
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