Results of the First Simultaneous X-ray, Optical, and Radio Campaign on the Blazar PKS 1622-297

Details Results of the First Simultaneous X-ray, Optical, and Radio Campaign on the Blazar PKS 1622-297 Results of the First Simultaneous X-ray, Optical, and Radio Campaign on the Blazar PKS 1622-297

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aj....136.1398o&link_type=abstract

The Astronomical Journal, Volume 136, Issue 3, pp. 1398-1405 (2008).

Astronomy and Astrophysics

Astronomy

3

Galaxies: Active, Galaxies: Individual: Pks 1622–297

Scientific paper

Coordinated X-ray, optical, and radio observations of the blazar PKS 1622-297 were obtained during a three-week campaign in 2006 using the Rossi X-Ray Timing Explorer (RXTE), the University of Michigan Radio Astronomy Observatory, and optical telescopes at Cerro Tololo Inter-American Observatory. The RXTE observations indicate that this object is a comparatively weak X-ray emitter for a Flat-Spectrum Radio Quasar. The observed broadband spectral shape indicates that X-rays were most likely produced by the Inverse Compton processes. Optical observations of this object produced unexpected results in that this object appeared redder when in a bright state and bluer when in a faint state, contrary to the observed behavior of BL Lac objects.

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