CCD measurements of visual double stars at Calar Alto.

  1. Docobo, J.A. 1
  2. Alvarez, C. 1
  3. Lahulla, J.F. 2
  4. Lancharesi, V. 3
  5. Aguirre, A. 4
  1. 1 Observ. Astron. Ramon Maria Aller, Santiago de Compostela, Spain
  2. 2 Observ. Astronómico Nacional, Madrid, Spain
  3. 3 Universidad de La Rioja
    info

    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

  4. 4 Ctro. Astron. Hispano-Aleman, Almeria, Spain
Journal:
Astronomische Nachrichten

ISSN: 0004-6337

Year of publication: 2000

Volume: 321

Issue: 1

Pages: 5-54

Type: Article

More publications in: Astronomische Nachrichten

Institutional repository: lock_openOpen access Editor

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.