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[vsnet-obs 2570] historical outbursts of SW UMa



  A list of historical outbursts of SW UMa (AN 307 + new data)

      date         JD         observer
  1909 Mar 24                 Ceraski
  1937 Apr  7    2428631      Parenago,Zinner
  1939 Nov 17      29585      AAVSO
  1942 Jan 17      30377      AAVSO
  1943 Jul         30921?     Himpel
  1943 Dec 14      31073      AAVSO
  1945 Mar  7      31522      AAVSO, single obs. 12.5 mv
  1946 Feb  1      31853      AAVSO, single obs. 13.6 mv
  1947 Mar 12      32257      Beyer,Wellmann
  1947 Jul 21      32388      Beyer,Wellmann
  1948 Nov  5      32861      Beyer,Wellmann
  1950 May  9      33414      Beyer,Wellmann,Sonneberg
  1952 Mar 20      34092      Ashbrook,Beyer,Wellmann,Sonneberg
  1957 Apr  2      35931      Sonneberg (one day long at 12.4 mp)
  1960 Dec 12      37281      Sonneberg
  1965 Feb 15      38807      AAVSO,BAA,Sonneberg
  1968 Mar  4      39920      AAVSO (not fully confirmed)
  1969 Nov 20      40546      AAVSO
  1970 Feb  7      40625      AAVSO,Sonneberg
  1973 May 24      41831      AAVSO,AFOEV,Sonneberg
  1975 Sep 16      42672      AFOEV,Sonneberg
  1976 Nov 17      43100      AFOEV
  1977 Jan  8      43152      AFOEV, single obs. 12.2 mv
  1977 Dec 11      43489      AFOEV,Sonneberg
  1979 Feb 23      43928      AFOEV,Sonneberg
  1980 Jun 12      44403      AFOEV
  1981 Dec 21      44960      AFOEV,BAA,Sonneberg

  1986 Mar  3      46493      
  1990 Mar 14      47965      
  1991 Feb 25      48313      
  1992 Mar  3      48685      
  1993 Feb 17      49036      well-observed normal outburst
  1993 Aug 10      49210