Temporal and spectral gamma-ray properties of Mkn 421 above 250 GeV from CAT observations between 1996 and 2000

The γ-ray emission above $250 \mathrm{GeV}$ from the BL Lac object Markarian 421 was observed by the CAT Cherenkov imaging telescope between December, 1996, and June, 2000. In 1998, the source produced a series of small flares, making it the second extragalactic source detected by CAT. The time-aver...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 2001-08, Vol.374 (3), p.895-906
Hauptverfasser:	Piron, F., Djannati-Ataï, A., Punch, M., Tavernet, J.-P., Barrau, A., Bazer-Bachi, R., Chounet, L.-M., Debiais, G., Degrange, B., Dezalay, J.-P., Espigat, P., Fabre, B., Fleury, P., Fontaine, G., Goret, P., Gouiffes, C., Khelifi, B., Malet, I., Masterson, C., Mohanty, G., Nuss, E., Renault, C., Rivoal, M., Rob, L., Vorobiov, S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astrophysics BL Lacertæobjects: individual: Mkn 421 Cosmology and Extra-Galactic Astrophysics galaxies: active galaxies: nuclei gamma-rays: observations Physics Sciences of the Universe
Online-Zugang:	Volltext
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