The synchrotron spectrum of the M87 jet

Details The synchrotron spectrum of the M87 jet The synchrotron spectrum of the M87 jet

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002newar..46..399p&link_type=abstract

New Astronomy Reviews, Volume 46, Issue 2-7, p. 399-403.

Astronomy and Astrophysics

Astronomy

Scientific paper

We present 1998 HST observations which yield the first single-epoch spectrum of the M87 jet from 0.3 to 2.0 microns. The flattest optical spectra (αo~0.6, where Fν~ν-α comparable to αro) are found in two inner jet knots which contain the fastest superluminal components. Other knots have somewhat steeper optical (αo=0.8-1.1) than radio-optical (αro~0.65) spectra. We do not find significant evidence of near-IR to UV steepening for any component. We combine the HST data with published X-ray and radio data to explore synchrotron emission models and the nature of the jet's X-ray emission. We find break frequencies ~1015-16 Hz for most jet regions, considerably higher than predicted by previous workers. The highest break frequencies are in `strong shock' regions, consistent with possible particle injection or acceleration. Because `continuous injection' synchrotron models overpredict the X-ray emissions by large factors, it is likely that X-ray emitting regions take up only a small fraction of the jet volume.

Affiliated with

Also associated with

No associations

Rating

The synchrotron spectrum of the M87 jet does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with The synchrotron spectrum of the M87 jet, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The synchrotron spectrum of the M87 jet will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-984891