Multiwavelength Variability Analysis of 3C 279
نویسندگان
چکیده
Max-Planck-Institut für Radioastronomie, Bonn, Germany, Department of Physics and Astronomy, University of Texas at San Antonio, San Antonio, TX, United States, 3 Instituto Nacional de Astrofísica Óptica y Electrónica, Puebla, Mexico, 4 SOFIA Science Center, NASA Ames Center, Mountain View, CA, United States, Centre for Remote Sensing and Earth Observation Processes (TAP), Flemish Institute for Technological Research (VITO), Mol, Belgium
منابع مشابه
ar X iv : a st ro - p h / 99 06 32 6 v 1 2 1 Ju n 19 99 Ultraviolet and Multiwavelength Variability of the Blazar 3 C 279 : Evidence for Thermal Emission
The γ-ray blazar 3C 279 was monitored on a nearly daily basis with IUE, ROSAT and EGRET for three weeks between December 1992 and January 1993. During this period, the blazar was at a historical minimum at all wavelengths. Here we present the UV data obtained during the above multiwavelength campaign. A maximum UV variation of ∼50% is detected, while during the same period the X-ray flux varied...
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متن کاملar X iv : a st ro - p h / 01 11 49 9 v 1 2 7 N ov 2 00 1 Spectral Energy Distributions of 3 C 279 revisited : Beppo SAXobservations and variability models
We present the BeppoSAX observations of 3C 279 performed in 1997 January 13-23 simultaneously with γ-ray pointings with EGRET on board CGRO and optical observations at the Torino Observatory (1997 January 11-18). ISO data close to this epoch are also available. We compare the derived Spectral Energy Distribution with those obtained at all other epochs with adequate multiwavelength coverage. Sim...
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متن کاملar X iv : a st ro - p h / 97 11 34 5 v 1 2 8 N ov 1 99 7 COMPTEL OBSERVATIONS OF 3 C 279 DURING THE FIRST 4 YEARS OF THE CGRO - MISSION
The COMPTEL experiment aboard the Compton Gamma-Ray Observatory (CGRO) has observed the gamma-ray blazar 3C 279 several times between April 1991 and September 1995. This paper reports on a consistent analysis of these observations using the most recent COMPTEL data analysis tools. Detections and non-detections of 3C 279 along the CGRO-mission indicate a time-variable MeVflux. Spectral variabili...
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