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

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.