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HD 81564


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Articoli relazionati

BVRI photometry of spectroscopic binaries
Not Available

Statistical Analysis of a Sample of Spectroscopic Binaries Containing Late Type Giants
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1993A&A...271..125B&db_key=AST

Spectroscopic binary orbits from photoelectric radial velocities. A synopsis of papers 1-100
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Spectroscopic binary orbits from photoelectric radial velocities. Paper 91: HD 81564
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Photoelectric radial velocities, Paper XIII - 406 ninth-magnitude K0 stars in the Clube Selected Areas
Radial velocities are given for 406 ninth-magnitude late-type stars. Thestars are grouped in 10 small regions located on a systematic plan atGalactic latitudes of + or - 35 deg. Each star has been observed atleast twice, and the mean velocities are accurate to about less than 1km/s. Thirty spectroscopic binaries have been discovered; orbits havealready been given for 13 of them, and observations of the others arecontinuing.

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Osservazione e dati astrometrici

Costellazione:Leone
Ascensione retta:09h26m44.26s
Declinazione:+12°30'28.4"
Magnitudine apparente:8.871
Moto proprio RA:8.8
Moto proprio Dec:-48.7
B-T magnitude:10.453
V-T magnitude:9.002

Cataloghi e designazioni:
Nomi esatti   (Edit)
HD 1989HD 81564
TYCHO-2 2000TYC 826-514-1
USNO-A2.0USNO-A2 0975-06243764
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