AAS 203rd Meeting, January 2004
Session 88 Bl-Lac-Ish Objects
Poster, Wednesday, January 7, 2004, 9:20am-6:30pm, Grand Hall

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[88.02] Multi-Color Microvariability in HBLs: 1ES 1959+650

W. L. Wills, M.T. Carini (Western Kentucky University)

BL Lac objects are the most extreme members of the class of objects known as AGN. The defining characteristics of BL Lac objects are large amplitude continuum variations at all wavelengths, a featureless optical spectrum, and large amplitude, highly variable polarization. BL Lacs can be divided into subclasses, based on the peak of the synchrotron portion of their SED. In the HBL sub class, this peak occurs in the UV/X-ray wavelength range. We present the results of a study of the color dependency of microvariability(variations on timescales of minutes to hours) for the HBL 1ES 1959+650, using the Bell Observatory 0.6m telescope and the 1.3m Robotically Controlled Telescope.

This research was funded via the Kentucky Space Grant Consortium, the Kentucky NSF EPSCoR program, the Kentucky NASA/EPSCoR program and the Applied Research and Technology Program at Western Kentucky University.

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Bulletin of the American Astronomical Society, 35#5
© 2003. The American Astronomical Soceity.