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Cover Picture: Astron. Nachr. 7/2013
Publication year - 2013
Publication title -
astronomische nachrichten
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 0.394
H-Index - 63
eISSN - 1521-3994
pISSN - 0004-6337
DOI - 10.1002/asna.201390011
Subject(s) - astron , cover (algebra) , binary number , physics , astrophysics , variation (astronomy) , astronomy , mathematics , engineering , mechanical engineering , arithmetic
The spot activity of the spectroscopic binary V2253 Oph indicates a cyclic variation of about ten years and a phase coherence with the orbital period (see K. Olah et al., this issue, p. 625). (© 2013 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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