Active Galactic Nuclei Studies with the Morehead State University 21-Meter Space Tracking Antenna: BL Lac, CTA 102 and 3C 454.3

Details Active Galactic Nuclei Studies with the Morehead State University 21-Meter Space Tracking Antenna: BL Lac, CTA 102 and 3C 454.3 Active Galactic Nuclei Studies with the Morehead State University 21-Meter Space Tracking Antenna: BL Lac, CTA 102 and 3C 454.3

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21441701p&link_type=abstract

American Astronomical Society, AAS Meeting #214, #417.01; Bulletin of the American Astronomical Society, Vol. 41, p.684

Astronomy and Astrophysics

Astronomy

Scientific paper

Blazars are amongst the most luminous astronomical sources known and have been studied extensively over an extremely broad range of the electromagnetic spectrum (gamma-ray through radio). Detailed studies of these sources require simultaneous or near-simultaneous observations made by observatories operating at multiple frequencies. To help supply needed observations at radio frequencies of blazars, the Space Science Center at Morehead State University is currently conducting a program of monitoring observations for a sample of blazars using the 21-Meter Space Tracking Antenna (STA). The STA is capable of observations at three frequency ranges, namely the KU-band (11.2-12.7 GHz), the S-band (2-4 GHz) and the expanded L-band (1.4-1.7 GHz). To illustrate this work, we present the results of a monitoring campaign of three well-known blazars -- BL Lac, CTA 102 and 3C 454.3 -- over a time range of approximately two years. Results and initial conclusions will be presented and discussed. This research is supported by a grant from the Kentucky Space Grants Consortium.

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