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HD 121781


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Pulkovo compilation of radial velocities for 35495 stars in a common system.
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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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Miembro de los siguientes grupos:

Datos observacionales y astrométricos

Constelación:Los Perros de Caza
Ascensión Recta:13h56m46.21s
Declinación:+35°27'22.7"
Magnitud Aparente:8.932
Distancia:510.204 parsecs
Movimiento Propio en Ascensión Recta:-39.8
Movimiento Propio en Declinación:20
B-T magnitude:9.04
V-T magnitude:8.941

Catálogos y designaciones:
Nombres Propios   (Edit)
HD 1989HD 121781
TYCHO-2 2000TYC 2550-936-1
USNO-A2.0USNO-A2 1200-07194082
HIPHIP 68120
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