An International Weekly Journal

Impact Factor 2005: 4.223

Editor-in-Chief: C. Bertout
Letters Editor-in-Chief: M. Walmsley

ISSN (print edition): 0004-6361
ISSN (electronic edition): 1432-0746
Frequency: Four Times per Month

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Prior to 2001, A&A was published as A&A Main Journal (Springer Verlag, 1969-2000) and A&A Supplement Series (EDP Sciences, 1980-2000).

© The European Southern Observatory (ESO)