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HD 121781

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Pulkovo compilation of radial velocities for 35495 stars in a common system. Not Available
The Case Low-Dispersion Northern Sky Survey. XIV - A-F stars in a region in southern Canes Venatici Positions, estimated magnitudes, and finding charts are provided for 387A-F stars in an about 190 sq deg region in southern Canes Venatici. Thearea encompassed is between R.A. 12h00m and 14h10m and decl. +29 deg 00arcmin and +38 deg 30 arcmin (1950), excluding the region R.A. 12h00m to13h00m and decl. +29 deg to +34 deg, which was covered in a previouspaper. The A-F stars, whose blue magnitudes are within the range 8through 18 (median 14), were identified on low-dispersionobjective-prism plates taken with Case Western Reserve University'sBurrell Schmidt telescope at Kitt Peak.
Prediction of spectral classification from photometric observations - Application of the UVBY beta photometry and the MK spectra classification. II - General case Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1980A&A....85...93M&db_key=AST
Photoelectric UBV observations made on the Palomar 20-inch telescope Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1973MNRAS.164..133P&db_key=AST
Interstellar reddening near the north galactic pole Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1972PASP...84..497F&db_key=AST

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Osservazione e dati astrometrici

Costellazione:	Cani da Caccia
Ascensione retta:	13^h56^m46.21^s
Declinazione:	+35Â°27'22.7"
Magnitudine apparente:	8.932
Distanza:	510.204 parsec
Moto proprio RA:	-39.8
Moto proprio Dec:	20
B-T magnitude:	9.04
V-T magnitude:	8.941

Cataloghi e designazioni:

Nomi esatti	(Edit)
HD 1989	HD 121781
TYCHO-2 2000	TYC 2550-936-1
USNO-A2.0	USNO-A2 1200-07194082
HIP	HIP 68120

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