CCD measurements of visual double stars at Calar Alto.
- Docobo, J.A. 1
- Alvarez, C. 1
- Lahulla, J.F. 2
- Lancharesi, V. 3
- Aguirre, A. 4
- 1 Observ. Astron. Ramon Maria Aller, Santiago de Compostela, Spain
- 2 Observ. Astronómico Nacional, Madrid, Spain
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3
Universidad de La Rioja
info
- 4 Ctro. Astron. Hispano-Aleman, Almeria, Spain
ISSN: 0004-6337
Year of publication: 2000
Volume: 321
Issue: 1
Pages: 5-54
Type: Article
More publications in: Astronomische Nachrichten
Abstract
342 CCD measurements of relative positions and magnitude differences for 145 visual double stars are presented. Observations were carried out at the 1.23m telescope of the German-Spanish Astronomical Center at Calar Alto (Spain), all of them in V and R photometric bands.