HD_215114 Knowpia

HD 215114
Observation data; Epoch J2000 Equinox J2000
Constellation	Aquarius
Right ascension	22h 43m 03.41351s
Declination	−08° 18′ 41.1864″
Apparent magnitude (V)	6.45
Characteristics
Spectral type	A5V
U−B color index	+0.12
B−V color index	+0.17
Astrometry
Radial velocity (Rv)	5.00 km/s
Proper motion (μ)	RA: +15.73 mas/yr ; Dec.: −4.03 mas/yr
Parallax (π)	5.28 ± 1.75 mas
Distance	approx. 600 ly ; (approx. 190 pc)
Details
Rotational velocity (v sin i)	159 km/s
Other designations
	BD-09° 6038, HIP 112168, HR 8645, SAO 146271, WDS J22431-0819.
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 edit

^ ^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
^ ^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
^ 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
^ 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
^ 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
^ 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

Observation data Epoch J2000 Equinox J2000
Constellation	Aquarius
Right ascension	22^h 43^m 03.41351^s^[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 (R_v)	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 mas^[1]
Distance	approx. 600 ly (approx. 190 pc)

Details

Rotational velocity (v sin i)	159^[5] km/s

Other designations
BD-09° 6038, HIP 112168, HR 8645, SAO 146271, WDS J22431-0819.
Database references
SIMBAD	data