BL Lac: Striking activity

BL Lac showd striking activity. Massimo Villata, Gino Tosti, and Enrico Massaro organize an optical campaign on BL Lac contemporaneous with the high-energy campaign involving X-ray and TeV observatories such as BeppoSAX, RXTE, STACEE, CAT, HEGRA (July 17 - August 11). Related article: vsnet-campaign-blazar 11, 12, 13, 20(temporary faiding to <15mag), 29, 30, 36, 43(dropped to 15.4mag), 46(gradual brightening), 50, 51(mild activity), 60, 67(short term large variations), 69, 70, 72, 75, 76, 79, 80, 82, 83, 85(slightly faded), 87, 89, 90, 93(jump up by a magnitude within a day), 96, 97, 98, 99, 100, 103, 104(again brightening), 106, 108, 110, 112, 113, 114

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