Search Results - "Johnstone, M R"

Avibactam and class C β-lactamases: mechanism of inhibition, conservation of the binding pocket, and implications for resistance by Lahiri, S D, Johnstone, M R, Ross, P L, McLaughlin, R E, Olivier, N B, Alm, R A

“…Avibactam is a novel non-β-lactam β-lactamase inhibitor that inhibits a wide range of β-lactamases. These include class A, class C, and some class D enzymes,…”
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A very deep Chandra observation of the Perseus cluster: shocks, ripples and conduction by Fabian, A. C., Sanders, J. S., Taylor, G. B., Allen, S. W., Crawford, C. S., Johnstone, R. M., Iwasawa, K.

“…ABSTRACT We present the first results from a very deep Chandra X‐ray observation of the core of the Perseus cluster of galaxies. A pressure map reveals a clear…”
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A wide Chandra view of the core of the Perseus cluster by Fabian, A. C., Sanders, J. S., Allen, S. W., Canning, R. E. A., Churazov, E., Crawford, C. S., Forman, W., GaBany, J., Hlavacek-Larrondo, J., Johnstone, R. M., Russell, H. R., Reynolds, C. S., Salomé, P., Taylor, G. B., Young, A. J.

“…We present new Chandra images of the X-ray emission from the core of the Perseus cluster of galaxies. The total observation time is now 1.4 Ms. New depressions…”
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Magnetic support of the optical emission line filaments in NGC 1275 by Fabian, A. C., Johnstone, R. M., Sanders, J. S., Conselice, C. J., Crawford, C. S., III, J. S. Gallagher, Zweibel, E.

“…The giant elliptical galaxy NGC 1275, at the centre of the Perseus cluster, is surrounded by a well-known giant nebulosity of emission-line filaments 1 , 2 ,…”
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Collisional heating as the origin of filament emission in galaxy clusters by Ferland, G. J., Fabian, A. C., Hatch, N. A., Johnstone, R. M., Porter, R. L., Van Hoof, P. A. M., Williams, R. J. R.

“…It has long been known that photoionization, whether by starlight or other sources, has difficulty in accounting for the observed spectra of the optical…”
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A deep Chandra observation of the Perseus cluster: shocks and ripples by Fabian, A. C., Sanders, J. S., Allen, S. W., Crawford, C. S., Iwasawa, K., Johnstone, R. M., Schmidt, R. W., Taylor, G. B.

“…We present preliminary results from a deep observation lasting almost 200 ks of the centre of the Perseus cluster of galaxies around NGC 1275. The X-ray…”
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On the origin and excitation of the extended nebula surrounding NGC 1275 by Hatch, N. A., Crawford, C. S., Johnstone, R. M., Fabian, A. C.

“…We use line-of-sight velocity information on the filamentary emission-line nebula of NGC 1275 to infer a dynamical model of the nebula's flow through the…”
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Cool X-ray emitting gas in the core of the Centaurus cluster of galaxies by Sanders, J. S., Fabian, A. C., Allen, S. W., Morris, R. G., Graham, J., Johnstone, R. M.

“…We use a deep XMM–Newton Reflection Grating Spectrometer observation to examine the X-ray emission from the core of the Centaurus cluster of galaxies. We…”
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The nature of the molecular gas system in the core of NGC 1275 by Wilman, R. J., Edge, A. C., Johnstone, R. M.

“…We present near-infrared integral field spectroscopy of the central kiloparsec of NGC 1275 at the heart of the Perseus cluster of galaxies, obtained with the…”
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The X-ray luminous cluster underlying the bright radio-quiet quasar H1821+643 by Russell, H. R., Fabian, A. C., Sanders, J. S., Johnstone, R. M., Blundell, K. M., Brandt, W. N., Crawford, C. S.

“…We present a Chandra observation of the only low redshift, z= 0.299, galaxy cluster to contain a highly luminous radio-quiet quasar, H1821+643. By simulating…”
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A multiwavelength view of cooling versus AGN heating in the X-ray luminous cool-core of Abell 3581 by Canning, R. E. A., Sun, M., Sanders, J. S., Clarke, T. E., Fabian, A. C., Giacintucci, S., Lal, D. V., Werner, N., Allen, S. W., Donahue, M., Edge, A. C., Johnstone, R. M., Nulsen, P. E. J., Salomé, P., Sarazin, C. L.

“…We report the results of a multiwavelength study of the nearby galaxy group, Abell 3581 (z = 0.0218). This system hosts the most luminous cool core of any…”
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Chandra imaging of the complex X-ray core of the Perseus cluster by Fabian, A. C., Sanders, J. S., Ettori, S., Taylor, G. B., Allen, S. W., Crawford, C. S., Iwasawa, K., Johnstone, R. M., Ogle, P. M.

“…We report subarcsec-resolution X-ray imaging of the core of the Perseus cluster around the galaxy NGC 1275 with the Chandra X-ray Observatory. The…”
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Dynamical analysis of galaxy cluster merger Abell 2146 by White, J. A., Canning, R. E. A., King, L. J., Lee, B. E., Russell, H. R., Baum, S. A., Clowe, D. I., Coleman, J. E., Donahue, M., Edge, A. C., Fabian, A. C., Johnstone, R. M., McNamara, B. R., O'Dea, C. P., Sanders, J. S.

“…We present a dynamical analysis of the merging galaxy cluster system Abell 2146 using spectroscopy obtained with the Gemini Multi-Object Spectrograph on the…”
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Discovery of atomic and molecular mid-infrared emission lines in off-nuclear regions of NGC 1275 and NGC 4696 with the Spitzer Space Telescope by Johnstone, R. M., Hatch, N. A., Ferland, G. J., Fabian, A. C., Crawford, C. S., Wilman, R. J.

“…We present Spitzer high-resolution spectra of off-nuclear regions in the central cluster galaxies NGC 1275 and NGC 4696 in the Perseus and Centaurus clusters,…”
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The origin of molecular hydrogen emission in cooling-flow filaments by Ferland, G. J., Fabian, A. C., Hatch, N. A., Johnstone, R. M., Porter, R. L., Van Hoof, P. A. M., Williams, R. J. R.

“…The optical filaments found in many cooling flows in galaxy clusters consist of low-density (∼103 cm−3) cool (∼103 K) gas surrounded by significant amounts of…”
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Star formation in the outer filaments of NGC 1275 by Canning, R. E. A., Fabian, A. C., Johnstone, R. M., Sanders, J. S., Conselice, C. J., Crawford, C. S., Gallagher, J. S., Zweibel, E.

“…We present photometry of the outer star clusters in NGC 1275, the brightest galaxy in the Perseus cluster. The observations were taken using the Hubble Space…”
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The prevalence of cooling cores in clusters of galaxies at z ≈ 0.15–0.4 by Bauer, F. E., Fabian, A. C., Sanders, J. S., Allen, S. W., Johnstone, R. M.

“…We present a Chandra study of 38 X-ray-luminous clusters of galaxies in the ROSAT Brightest Cluster Sample (BCS) that lie at moderate redshifts (z ≈ 0.15–0.4)…”
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Detections of molecular hydrogen in the outer filaments of NGC 1275 by Hatch, N. A., Crawford, C. S., Fabian, A. C., Johnstone, R. M.

“…We present clear spectroscopic detections of molecular hydrogen in the outer filaments of the Hα nebula surrounding the central galaxy of the Perseus cluster,…”
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A deep spectroscopic study of the filamentary nebulosity in NGC4696, the brightest cluster galaxy in the Centaurus cluster by Canning, R. E. A, Fabian, A. C, Johnstone, R. M, Sanders, J. S, Crawford, C. S, Ferland, G. J, Hatch, N. A

“…ABSTRACT We present results of deep integral-field spectroscopy observations using high-resolution optical (4150-7200Å) VLT VIsible MultiObject Spectrograph…”
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A ROSAT study of the cores of clusters of galaxies — I. Cooling flows in an X-ray flux-limited sample by Peres, C. B., Fabian, A. C., Edge, A. C., Allen, S. W., Johnstone, R. M., White, D. A.

“…This is the first part of a study of the detailed X-ray properties of the cores of nearby clusters. We have used the flux-limited sample of 55 clusters listed…”
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