8th HEAD Meeting, 8-11 September, 2004
Session 4 Jets and Blazars
Poster, Wednesday, September 8, 2004, 9:00am-10:00pm

[Previous] | [Session 4] | [Next]

[4.08] Structure, Spectra, and Flaring in the M87 Jet

D. E. Harris (SAO), C. C. Cheung (SAO and Brandeis), J. A. Biretta (STSci), W Junor (LANL), E. S. Perlman (U. Maryland), W. B. Sparks (STSci), A. S. Wilson (U. Maryland)

Some results of multi-year monitoring of the M87 jet with Chandra, HST, and the VLA are presented. The flaring knot, HST-1, in the X-rays currently out-shines the nucleus and the rest of the jet combined. The radio and optical intensities are also rising. There is reasonable evidence that the X-ray spectrum hardens with increasing intensity. We note the similarity of HST-1 variability to that of BL Lac objects, and this translates to an implicit warning for variability model builders. We also examine the X-ray morphologies and spectra for all components of the jet and compare these to the optical and radio data. We revisit 'offsets' (of structure/location) between observing bands and the spectral 'bowtie' problem (alpha[x] < alpha[ox]). These data are consistent with the 'modest beaming' synchrotron model previously proposed. This project was partially supported by NASA grants GO2-3144X, GO3-4124A, and GO4-5131X.

The author(s) of this abstract have provided an email address for comments about the abstract: harris@cfa.harvard.edu

[Previous] | [Session 4] | [Next]

Bulletin of the American Astronomical Society, 36 #3
© 2004. The American Astronomical Soceity.