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UBV CCD Photometry of “Close” Visual Double Stars1

Published online by Cambridge University Press:  12 April 2016

E. Van Dessel ,
D. Sinachopoulos  and
P. Prado
E. Van Dessel
Affiliation:
Royal Belgian Observatory, Ringlaan 3, B-1180 Brussels, Belgium
D. Sinachopoulos
Affiliation:
Royal Belgian Observatory, Ringlaan 3, B-1180 Brussels, Belgium
P. Prado
Affiliation:
University of Toronto Southern Observatory, Las Campanas Observatory, Casilla 601, La Serena, Chile

Abstract

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We use the CCD cameras of the 61-cm UTSO and the 90-cm Dutch telescopes of the Las Campanas and European Southern Observatories respectively in order to perform UBV photometry of visual double stars.

Our sample contains southern visual binaries with A–type (470 pairs) and G–type primaries (170 pairs), which have angular separations mainly between 1″.5 and 5″. The double stars of our sample have been selected from the WDS according to their astrophysical interest and the technological limits of contemporary CCDs.

Type
Classical Methods, Catalogs, & Databases
Information
International Astronomical Union Colloquium , Volume 135: Complementary Approaches to Double and Multiple Star Research , 1992 , pp. 362 - 364
Copyright
Copyright © Astronomical Society of the Pacific 1992

Footnotes

1

Based on observations made at UTSO Las Campanas and ESO La Silla, Chile

References

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