Browsing by Subject "Mrk 421"

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Observations of Mrk 421 with the CELESTE Heliostat array

Le Gallou, R; Smith, D. A (Astronomical Society of India, 2002)

Since CELESTE first began routine observations in November 1999 in the 50 GeV range Mrk 421 has been a prime target. Here we report the preliminary average integral flux measurement obtained with 31.5 hours of ON-source ...
Study of variability in BL Lac objects

Baliyan, K. S; Ganesh, S; Joshi, U. C; Shah, C. R; Vadher, N. M; Deshpande, M. R (Astronomical Society of India, 2001)

We have monitored some of the BL Lac objects, such as OJ287, Mrk 421, Mrk 501 etc from Mt Abu Infrared Observatory, using optical photopolarimeter, CCD and NICMOS-3 IR array mounted at the Cassegrain focus of the 1.2 m ...

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