Search Results - "Harris, D. E"

Superluminal Radio Features in the M87 Jet and the Site of Flaring TeV Gamma-Ray Emission by Cheung, C. C, Harris, D. E, Stawarz, Ł

“…Superluminal motion is a common feature of radio jets in powerful y-ray-emitting active galactic nuclei. Conventionally, the variable emission is assumed to…”
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Novel Analysis of the Multiwavelength Structure of the Relativistic Jet in Quasar 3C 273 by Marchenko, Volodymyr, Harris, D. E., Ostrowski, Micha, Stawarz, ukasz, Bohdan, Artem, Jamrozy, Marek, Hnatyk, Bohdan

“…We present a detailed analysis of the best-quality multiwavelength data gathered for the large-scale jet in the core-dominated quasar 3C 273. We analyze all…”
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An X-Ray Study of Magnetic Field Strengths and Particle Content in the Lobes of FR II Radio Sources by Croston, J. H, Hardcastle, M. J, Harris, D. E, Belsole, E, Birkinshaw, M, Worrall, D. M

“…We present a Chandra and XMM-Newton study of X-ray emission from the lobes of 33 classical double radio galaxies and quasars. We report new detections of…”
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X-Ray Emission from Extragalactic Jets by Harris, D.E., Krawczynski, Henric

“…This review focuses on the X-ray emission processes of extragalactic jets on scales resolvable by the subarcsec resolution of the Chandra X-ray Observatory. It…”
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New Chandra Observations of the Jet in 3C 273. I. Softer X-Ray than Radio Spectra and the X-Ray Emission Mechanism by Jester, Sebastian, Harris, D. E, Marshall, Herman L, Meisenheimer, Klaus

“…The jet in 3C 273 is a high-power quasar jet with radio, optical, and X-ray emission, whose size and brightness allow a detailed study of the emission…”
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Variability Timescales in the M87 Jet: Signatures of E 2 Losses, Discovery of a Quasi Period in HST-1, and the Site of TeV Flaring by Harris, D. E, Cheung, C. C, Stawarz, Łukasz, Biretta, J. A, Perlman, E. S

“…We investigate the variability timescales in the jet of M87 with two goals. The first is to use the rise times and decay times in the radio, ultraviolet, and…”
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X-ray emission from the extended emission-line region of the powerful radio galaxy 3C 171 by Hardcastle, M. J., Massaro, F., Harris, D. E.

“…We present Chandra X-ray observations of the powerful radio galaxy 3C 171, which reveal an extended region of X-ray emission spatially associated with the…”
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The 300 kpc Long X-Ray Jet in PKS 1127–145, z = 1.18 Quasar: Constraining X-Ray Emission Models by Siemiginowska, Aneta, Stawarz, Łukasz, Cheung, C. C, Harris, D. E, Sikora, Marek, Aldcroft, Thomas L, Bechtold, Jill

“…We present a 6100 ks Chandra X-ray observation and new VLA radio data of the large-scale, 300 kpc long X-ray jet in PKS 1127-145, a radio-loud quasar at…”
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The Origins of X-Ray Emission from the Hot Spots of FR II Radio Sources by Hardcastle, M. J, Harris, D. E, Worrall, D. M, Birkinshaw, M

“…We use new and archival Chandra data to investigate the X-ray emission from a large sample of compact hot spots of FR II radio galaxies and quasars from the 3C…”
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Optical Polarization and Spectral Variability in the M87 Jet by Perlman, Eric S, Adams, Steven C, Cara, Mihai, Bourque, Matthew, Harris, D. E, Madrid, Juan P, Simons, Raymond C, Clausen-Brown, Eric, Cheung, C. C, Stawarz, Lukasz, Georganopoulos, Markos, Sparks, William B, Biretta, John A

“…During the last decade, M87's jet has been the site of an extraordinary variability event, with one knot (HST-1) increasing by over a factor 100 in brightness…”
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The Outburst of HST-1 in the M87 Jet by Harris, D. E, Cheung, C. C, Biretta, J. A, Sparks, W. B, Junor, W, Perlman, E. S, Wilson, A. S

“…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 yr. The optical…”
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A Multi-band Study of the Remarkable Jet in Quasar 4C+19.44 by Harris, D. E., Lee, N. P., Schwartz, D. A., Siemiginowska, A., Massaro, F., Birkinshaw, M., Worrall, D. M., Cheung, C. C., Gelbord, J. M., Jorstad, Svetlana G., Marscher, Alan P., Landt, H., Marshall, H., Perlman, E. S., Stawarz, L., Uchiyama, Y., Urry, C. M.

“…We present arcsecond-resolution data in the radio, IR, optical, and X-ray for 4C+19.44 (=PKS 1354+195), the longest and straightest quasar jet with deep X-ray…”
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Chandra Observations of 3C Radio Sources with z < 0.3: Nuclei, Diffuse Emission, Jets, and Hotspots by Massaro, F, Harris, D. E, Tremblay, G. R, Axon, D, Baum, S. A, Capetti, A, Chiaberge, M, Gilli, R, Giovannini, G, Grandi, P, Macchetto, F. D, O’Dea, C. P, Risaliti, G, Sparks, W

“…We report on our Chandra Cycle 9 program to observe half of the 60 (unobserved by Chandra) 3C radio sources at z < 0.3 for 8 ks each. Here we give the basic…”
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Chandra X-Ray Observations of the Hydra A Cluster: An Interaction between the Radio Source and the X-Ray-emitting Gas by McNamara, B. R, Wise, M, Nulsen, P. E. J, David, L. P, Sarazin, C. L, Bautz, M, Markevitch, M, Vikhlinin, A, Forman, W. R, Jones, C, Harris, D. E

“…We present Chandra X-ray observations of the Hydra A cluster of galaxies, and we report the discovery of structure in the central 80 kpc of the cluster's…”
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The Jet of 3C 17 and the Use of Jet Curvature as a Diagnostic of the X-ray Emission Process by Massaro, F, Harris, D. E, Chiaberge, M, Grandi, P, Macchetto, F. D, Baum, S. A, O'Dea, C. P, Capetti, A

“…We report on the X-ray emission from the radio jet of 3C 17 from Chandra observations and compare the X-ray emission with radio maps from the VLA archive and…”
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Cellular copper transport and metabolism by HARRIS, E. D

“…The transport and cellular metabolism of Cu depends on a series of membrane proteins and smaller soluble peptides that comprise a functionally integrated…”
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X-Ray Emission Processes in Radio Jets by Harris, D. E, Krawczynski, H

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Magnetic Field Strengths in the Hot Spots and Lobes of Three Powerful Fanaroff-Riley Type II Radio Sources by Hardcastle, M. J, Birkinshaw, M, Cameron, R. A, Harris, D. E, Looney, L. W, Worrall, D. M

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Complex particle acceleration processes in the hotspots of 3C105 and 3C445 by Orienti, M, Prieto, M. A, Brunetti, G, Mack, K.-H, Massaro, F, Harris, D. E

“…ABSTRACT We investigate the nature of the broad-band emission associated with the low-power radio hotspots 3C105 South and 3C445 South. Both hotspot regions…”
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Complete genome sequence of the model actinomycete Streptomyces coelicolor A3(2) by Bentley, S. D, Hopwood, D. A, Chater, K. F, Cerdeño-Tárraga, A.-M, Challis, G. L, Thomson, N. R, James, K. D, Harris, D. E, Quail, M. A, Kieser, H, Harper, D, Bateman, A, Brown, S, Chandra, G, Chen, C. W, Collins, M, Cronin, A, Fraser, A, Goble, A, Hidalgo, J, Hornsby, T, Howarth, S, Huang, C.-H, Kieser, T, Larke, L, Murphy, L, Oliver, K, O'Neil, S, Rabbinowitsch, E, Rajandream, M.-A, Rutherford, K, Rutter, S, Seeger, K, Saunders, D, Sharp, S, Squares, R, Squares, S, Taylor, K, Warren, T, Wietzorrek, A, Woodward, J, Barrell, B. G, Parkhill, J

“…Streptomyces coelicolor is a representative of the group of soil-dwelling, filamentous bacteria responsible for producing most natural antibiotics used in…”
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