Chandra Observations of a Uniform Sample of FRI Galaxies

Details Chandra Observations of a Uniform Sample of FRI Galaxies Chandra Observations of a Uniform Sample of FRI Galaxies

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002cxo..prop.1280s&link_type=abstract

Chandra Proposal ID #04700577

Computer Science

Chandra Proposal Id #04700577

Scientific paper

An important open question in the study of radio galaxies is the origin of the FRI and FRII division. Possibilities include jet deceleration in FRI sources by a hot circumnuclear medium, or intrinsically less powerful jets in FRIs. To address this issue, we propose ACIS-S observations of a sample of FRIs, well-matched to our FRII sample from cycle 2. The Chandra observations will: 1) study the jet X-ray emission, and with available data at longer wavelengths derive jet Lorentz factor and kinetic power; 2) study the X-ray emission from the cores, determining the fraction of core power channeled into the jet; and 3) search for the hot decelerating medium around the cores. Comparing with our AO2 sample of FRIIs, we will unravel the origin of the FRI/II dichotomy.

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