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Title: Study of variability in BL Lac objects
Authors: Baliyan, K. S
Ganesh, S
Joshi, U. C
Shah, C. R
Vadher, N. M
Deshpande, M. R
Keywords: AGN;Blazars;Variability;Polarization;OJ287;Mrk 421
Issue Date: 2001
Publisher: Astronomical Society of India
Citation: BASI, Vol. 29, No. 3, pp. 421 - 424
Abstract: 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 telescope. The data obtained indicate existence of variability at various time scales. Some of the results on OJ 287 and Mrk 421 are presented here.
Appears in Collections:BASI Publications

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