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Radio‐optical variability correlation in QSO 0957+561: evidence for beamed hard radiation
Author(s) -
Oknyanskij V.L.
Publication year - 1999
Publication title -
astronomische nachrichten
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.394
H-Index - 63
eISSN - 1521-3994
pISSN - 0004-6337
DOI - 10.1002/1521-3994(199908)320:4/5<314::aid-asna314>3.0.co;2-7
Subject(s) - physics , citation , astrophysics , negative correlation , positive correlation , library science , computer science , medicine