A Possible Optical/Gamma-Ray Short-Term Correlation in 3C 279
Astronomical Society of the Pacific Conference Series(2001)
摘要
Evidence is presented for possible day-scale correlations between R-band optical fluxes and gamma -rays detected by the EGRET instrument on the Compton Gamma-Ray Observatory during 1999 January 20 through February 2. At that time, the gamma -ray time variations appear to have lagged behind those in optical by about 3.5 days. Similar monitoring about 13 months later yielded no apparent correlation between the gamma -ray and optical fluxes.
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关键词
gamma ray
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