Structures and Spectra of Extended Emission Regions in Three BL Lac Objects

Details Structures and Spectra of Extended Emission Regions in Three BL Lac Objects Structures and Spectra of Extended Emission Regions in Three BL Lac Objects

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002cxo..prop.1262b&link_type=abstract

Chandra Proposal ID #04700285

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Chandra Proposal Id #04700285

Scientific paper

Our Chandra study of BL Lac PKS 0521-365 found X-rays from its core, jet, radio hot-spot, and surrounding atmosphere. The components' structures and spectra are consistent with our results for radio galaxies, after allowing for projection effects and a relativistic jet. This agrees with schemes that unify BL Lac objects with radio galaxies. However, PKS 0521-365 is a radio-selected object with unusual properties and may not be representative of the BL Lac population, so we must repeat this work on other sources. We have selected three representative weak-core BL Lacs for which we request 15 ks ACIS-S observations. The resulting data will be as detailed as for PKS 0521-365, and so will test unification models for BL Lacs and radio galaxies and allow detailed study of the source physics.

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