X-Ray Luminosity and Spectral Variability in the TEV BL Lac 1ES2344+514

Details X-Ray Luminosity and Spectral Variability in the TEV BL Lac 1ES2344+514 X-Ray Luminosity and Spectral Variability in the TEV BL Lac 1ES2344+514

1998-02-02

arxiv.org/abs/astro-ph/9802018v1

Astronomy and Astrophysics

Astrophysics

To appear in The Active X-ray Sky: Results from BeppoSAX and Rossi-XTE, Rome, Italy, 21-24 October, 1997. Eds.: L. Scarsi, Bra

Scientific paper

10.1016/S0920-5632(98)00250-3

The results of a series of five \sax observations of the TeV BL Lac object 1ES2344+514 are briefly presented. Large amplitude luminosity variability, associated to impressive spectral changes in the hard X-rays, have been found. The shape of the lightcurve depends on energy, with the flare starting and ending in the hard band, but with maximum intensity possibly reached earlier in the soft X-rays. The luminosity and spectral changes may be due to a shift of the peak of the synchrotron emission from the soft X-rays to the hard X-ray band similar to that detected during \sax observations of MKN 501.

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