activity
20032018
most citedThe 2010 very high energy gamma-ray flare & 10 years of multi-wavelength observations of M 87

188 citations · 1.8k across the 29 of their papers we have counts for

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9 papers · 1 filter

astro-ph2007★ 165 cited

Superluminal Radio Features in the M87 Jet and the Site of Flaring TeV Gamma-ray Emission

C. C. Cheung, D. E. Harris, L. Stawarz

Superluminal motion is a common feature of radio jets in powerful gamma-ray emitting active galactic nuclei. Conventionally, the variable emission is assumed to originate near the…

astro-ph2007★ 63 cited

Chandra and HST observations of gamma-ray blazars: comparing jet emission at small and large scales

F. Tavecchio, L. Maraschi, A. Wolter +3

We present new Chandra and HST data for four gamma-ray blazars selected on the basis of radio morphology with the aim of revealing X-ray and optical emission from their jets at lar…

astro-ph2006★ 27 cited

Confronting X-ray Emission Models with the Highest-Redshift Kiloparsec-scale Jets: the z=3.89 Jet in Quasar 1745+624

C. C. Cheung, L. Stawarz, A. Siemiginowska

A newly identified kiloparsec-scale X-ray jet in the high-redshift z=3.89 quasar 1745+624 is studied with multi-frequency Very Large Array, Hubble Space Telescope, and Chandra X-ra…

astro-ph2005★ 29 cited

Deceleration from Entrainment in the jet of the quasar 1136-135?

F. Tavecchio, L. Maraschi, R. M. Sambruna +4

Modeling the multiwavelength emission of successive regions in the jet of the quasar PKS 1136-135 we find indication that the jet suffers deceleration near its end on a (deprojecte…

astro-ph2005★ 148 cited

The Outburst of HST-1 in the M87 Jet

D. E. Harris, C. C. Cheung, J. A. Biretta +4

The X-ray intensity of knot HST-1, 0.85" from the nucleus of the radio galaxy M87, has increased by more than a factor of 50 during the last 5 years. The optical increase is simila…

astro-ph2005★ 53 cited

Deep Chandra and multicolor HST follow-up of the jets in two powerful radio quasars

R. Sambruna, M. Gliozzi, D. Donato +5

We present deep (70-80 ks) Chandra and multicolor HST ACS images of two jets hosted by the powerful quasars 1136-135 and 1150+497, together with new radio observations. The sources…