Continuing a Chandra Survey of Quasar Radio Jets

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dc.creatorGelbord, J. M.
dc.creatorMarshall, H. L.
dc.creatorSchwartz, D. A.
dc.creatorWorrall, D. M.
dc.creatorBirkinshaw, M.
dc.creatorLovell, J. E. J.
dc.creatorJauncey, D. L.
dc.creatorPerlman, E. S.
dc.creatorMurphy, D. W.
dc.creatorPreston, R. A.
dc.date2004-11-30
dc.date.accessioned2026-07-07T02:16:05Z
dc.date.available2026-07-07T02:16:05Z
dc.descriptionWe are conducting an X-ray survey of flat spectrum radio quasars (FSRQs) with extended radio structures. We summarize our results from the first stage of our survey, then we present findings from its continuation. We have discovered jet X-ray emission from 12 of our first 20 Chandra targets, establishing that strong 0.5-7.0 keV emission is a common feature of FSRQ jets. The X-ray morphology is varied, but in general closely matches the radio structure until the first sharp radio bend. In the sources with optical data as well as X-ray detections we rule out simple synchrotron models for X-ray emission, suggesting these systems may instead be dominated by inverse Compton (IC) scattering. Fitting models of IC scattering of cosmic microwave background photons suggests that these jets are aligned within a few degrees of our line of sight, with bulk Lorentz factors of a few to ten and magnetic fields a bit stronger than $10^{-5}$ G. In the weeks prior to this meeting, we have discovered two new X-ray jets at $z > 1$. One (PKS B1055+201) has a dramatic, $20''$-long jet. The other (PKS B1421-490) appears unremarkable at radio frequencies, but at higher frequencies the jet is uniquely powerful: its optically-dominated, with jet/core flux ratios of 3.7 at 1 keV and 380 at 480 nm.
dc.description4 pages, 8 figures. To appear in `X-Ray and Radio Connections', ed. L.O. Sjouwerman and K.K. Dyer (published electronicly at http://www.aoc.nrao.edu/events/xraydio/). Additional material and higher resolution figures may be found at http://space.mit.edu/home/jonathan/jets/
dc.identifierhttps://arxiv.org/abs/astro-ph/0411804
dc.identifierhttp://arxiv.org/abs/astro-ph/0411804
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/8657
dc.subjectAstrophysics
dc.titleContinuing a Chandra Survey of Quasar Radio Jets
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