Short Timescale X-ray Variability in the M87 Jet: the TeV connection

Details Short Timescale X-ray Variability in the M87 Jet: the TeV connection Short Timescale X-ray Variability in the M87 Jet: the TeV connection

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006cxo..prop.2298h&link_type=abstract

Chandra Proposal ID #08708264

Computer Science

Chandra Proposal Id #08708264

Scientific paper

The recent interpretation of TeV observations of M87 (Aharonian, 2006 Sci. 314, 1424) hinged on the conventional perception that variability of a few days requires extremely small emitting volumes which can only be found close to the nuclear black hole. So in spite of the agreement in lightcurve peaks (X-ray HST-1 and TeV whole source), the HESS group argued that the TeV emission originated close to the SMBH rather than at the distance of HST-1, 200 pc (deproj) from the nucleus. This proposal requests 8 observations of 5ks each, to measure amplitudes of X-ray variability of HST-1 and the nucleus for intervals of 3 to 20 days. We already know that HST-1 manifests 2 of the defining characteristics of blazars: a broad-band intensity flare (factor of 50) and the launching of superluminal radio components. Determination of which component of M87 has the larger amplitude for day time scale variability will test the current TeV blazar model and assess the need for a new blazar paradigm.

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