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HD 24577


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New aperture photometry for 217 galaxies in the Virgo and Fornax clusters.
We present photo electric multi-aperture photometry in UBVRI of 171 and46 galaxies in the Virgo and Fornax clusters, respectively. Many of thegalaxies have not been observed in at least one of these passbandsbefore. We discuss the reduction and transformation into the Cousinsphotometric system as well as the extinction coefficients obtainedbetween 1990 and 1993.

UBV (RI)c standard stars in the E- and F-regions and in the Magellanic Clouds - a revised catalogue.
Not Available

UBV photometry of E region standard stars of intermediate brightness
Photometry data are given for 335 stars in the nine E regions.Observations were made using a photometer and filters on the 47 cmreflector at Cape Town. The stellar dispersions are summarized. Data arepresented in tabular form.

Up-To UBVRI Values for the E-Region Standard Stars
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1981A&AS...46....7V&db_key=AST

Photoelectric standards of intermediate brightness in the E-regions. I. UBV photometry.
Not Available

Photometric standard stars for the UBV and (RI)KC systems.
Not Available

Fainter Standards for VRI Photometry in the E Regions
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Standard magnitudes in the E regions.
Not Available

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Dades d'Observació i Astrometria

Constel·lació:Horologium
Ascensió Recta:03h52m37.97s
Declinació:-45°34'13.0"
Magnitud Aparent:8.646
Distancia:322.581 parsecs
Moviment propi RA:6.2
Moviment propi Dec:-7.7
B-T magnitude:10.089
V-T magnitude:8.766

Catàlegs i designacions:
Noms Propis   (Edit)
HD 1989HD 24577
TYCHO-2 2000TYC 8067-761-1
USNO-A2.0USNO-A2 0375-01269121
HIPHIP 18134
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