Search Results - "Kraft, R. P."

Deep Very Large Array Observations of the Merging Cluster CIZA J2242.8+5301: Continuum and Spectral Imaging by Gennaro, G. Di, van Weeren, R. J., Hoeft, M., Kang, H., Ryu, D., Rudnick, L., Forman, W., Röttgering, H. J. A., Brüggen, M., Dawson, W. A., Golovich, N., Hoang, D. N., Intema, H. T., Jones, C., Kraft, R. P., Shimwell, T. W., Stroe, A.

“…Despite the progress that has been made in understanding radio relics, there are still open questions regarding the underlying particle acceleration…”
Get full text

Deep VLA Observations of the Cluster 1RXS J0603.3+4214 in the Frequency Range of 1-2 GHz by Rajpurohit, K., Hoeft, M., van Weeren, R. J., Rudnick, L., Röttgering, H. J. A., Forman, W. R., Brüggen, M., Croston, J. H., Andrade-Santos, F., Dawson, W. A., Intema, H. T., Kraft, R. P., Jones, C., Jee, M. James

“…We report L-band VLA observations of 1RXS J0603.3+4214, a cluster that hosts a bright radio relic, known as the Toothbrush, and an elongated giant radio halo…”
Get full text

Gas sloshing, cold fronts, Kelvin-Helmholtz instabilities and the merger history of the cluster of galaxies Abell 496 by Roediger, E., Lovisari, L., Dupke, R., Ghizzardi, S., Brüggen, M., Kraft, R. P., Machacek, M. E.

“…We investigate the origin and nature of the multiple sloshing cold fronts in the core of Abell 496 by direct comparison between observations and dedicated…”
Get full text

VLA Radio Observations of the HST Frontier Fields Cluster Abell 2744: The Discovery of New Radio Relics by Pearce, C. J. J., van Weeren, R. J., Andrade-Santos, F., Jones, C., Forman, W. R., Brüggen, M., Bulbul, E., Clarke, T. E., Kraft, R. P., Medezinski, E., Mroczkowski, T., Nonino, M., Nulsen, P. E. J., Randall, S. W., Umetsu, K.

“…Cluster mergers leave distinct signatures in the intracluster medium (ICM) in the form of shocks and diffuse cluster radio sources that provide evidence for…”
Get full text

STRIPPED ELLIPTICAL GALAXIES AS PROBES OF ICM PHYSICS. II. STIRRED, BUT MIXED? VISCOUS AND INVISCID GAS STRIPPING OF THE VIRGO ELLIPTICAL M89 by Roediger, E., Kraft, R. P., Nulsen, P. E. J., Forman, W. R., Machacek, M., Randall, S., Jones, C., Churazov, E., Kokotanekova, R.

“…ABSTRACT Elliptical galaxies moving through the intracluster medium (ICM) are progressively stripped of their gaseous atmospheres. X-ray observations reveal…”
Get full text

Stripped Elliptical Galaxies as Probes of ICM Physics. III. Deep Chandra Observations of NGC 4552: Measuring the Viscosity of the Intracluster Medium by Kraft, R. P., Roediger, E., Machacek, M., Forman, W. R., Nulsen, P. E. J., Jones, C., Churazov, E., Randall, S., Su, Y., Sheardown, A.

“…We present results from a deep (200 ks) Chandra observation of the early-type galaxy NGC 4552 (M89), which is falling into the Virgo cluster. Previous…”
Get full text

KELVIN-HELMHOLTZ INSTABILITIES AT THE SLOSHING COLD FRONTS IN THE VIRGO CLUSTER AS A MEASURE FOR THE EFFECTIVE INTRACLUSTER MEDIUM VISCOSITY by Roediger, E, Kraft, R P, man, W R, Nulsen, P E J, Churazov, E

“…Sloshing cold fronts (CFs) arise from minor merger triggered gas sloshing. Their detailed structure depends on the properties of the intracluster medium (ICM):…”
Get full text

A Low Signal Detection of X‐Rays From Uranus by Dunn, W. R., Ness, J.‐U., Lamy, L., Tremblay, G. R., Branduardi‐Raymont, G., Snios, B., Kraft, R. P., Yao, Z., Wibisono, A. D.

“…Within the solar system, X‐ray emissions have been detected from every planet except the Ice Giants: Uranus and Neptune. We analyze the three archival Chandra…”
Get full text

Powerful Radio Sources in the Southern Sky. III. First Results of the Optical Spectroscopic Campaign by García-Pérez, A., Peña-Herazo, H. A., Jimenez-Gallardo, A., Chavushyan, V., Massaro, F., White, S. V., Capetti, A., Balmaverde, B., Forman, W. R., Cheung, C. C., Madrid, J. P., Mazzucchelli, C., Nesvadba, N. P. H., Andruchow, I., Cellone, S., Grossová, R., Paggi, A., Sani, E., Reynaldi, V., Kraft, R. P., Leto, C.

“…Abstract We recently built the G4Jy-3CRE catalog of extragalactic radio sources. This catalog lists 264 powerful radio sources selected with similar criteria…”
Get full text

Powerful Radio Sources in the Southern Sky. II. A Swift X-Ray Perspective by Massaro, F., White, S. V., Paggi, A., Jimenez-Gallardo, A., Madrid, J. P., Mazzucchelli, C., Forman, W. R., Capetti, A., Leto, C., García-Pérez, A., Cheung, C. C., Chavushyan, V., Nesvadba, N. P. H., Andruchow, I., Peña-Herazo, H. A., Sani, E., Grossová, R., Reynaldi, V., Kraft, R. P., Balmaverde, B., Cellone, S.

“…Abstract We recently constructed the G4Jy-3CRE, a catalog of extragalactic radio sources based on the GLEAM 4-Jy (G4Jy) sample, with the aim of increasing the…”
Get full text

Powerful Radio Sources in the Southern Sky. I. Optical Identifications by Massaro, F., White, S. V., García-Pérez, A., Jimenez-Gallardo, A., Capetti, A., Cheung, C. C., Forman, W. R., Mazzucchelli, C., Paggi, A., Nesvadba, N. P. H., Madrid, J. P., Andruchow, I., Cellone, S., Peña-Herazo, H. A., Grossová, R., Balmaverde, B., Sani, E., Chavushyan, V., Kraft, R. P., Reynaldi, V., Leto, C.

“…Abstract Since the early sixties, our view of radio galaxies and quasars has been drastically shaped by discoveries made thanks to observations of radio…”
Get full text

SHOCKS, SEYFERTS, AND THE SUPERNOVA REMNANT CONNECTION: A CHANDRA OBSERVATION OF THE CIRCINUS GALAXY by MINGO, B, HARDCASTLE, M. J, CROSTON, J. H, EVANS, D. A, KHARB, P, KRAFT, R. P, LENC, E

“…We analyze new Chandra observations of the nearest (D = 4 Mpc) Seyfert 2 active galaxy, Circinus, and match them to pre-existing radio, infrared, and optical…”
Get full text

High-energy particle acceleration at the radio-lobe shock of Centaurus A by Croston, J. H., Kraft, R. P., Hardcastle, M. J., Birkinshaw, M., Worrall, D. M., Nulsen, P. E. J., Penna, R. F., Sivakoff, G. R., Jordán, A., Brassington, N. J., Evans, D. A., Forman, W. R., Gilfanov, M., Goodger, J. L., Harris, W. E., Jones, C., Juett, A. M., Murray, S. S., Raychaudhury, S., Sarazin, C. L., Voss, R., Woodley, K. A.

“…We present new results on the shock around the south-west radio lobe of Centaurus A using data from the Chandra Very Large Programme observations (740 ks total…”
Get full text

Radio and X-Ray Observations of the Jet in Centaurus A by Hardcastle, M. J, Worrall, D. M, Kraft, R. P, Forman, W. R, Jones, C, Murray, S. S

Get full text

Shock Heating in the Nearby Radio Galaxy NGC 3801 by Croston, J. H, Kraft, R. P, Hardcastle, M. J

Get full text

Jupiter's X‐ray and EUV auroras monitored by Chandra, XMM‐Newton, and Hisaki satellite by Kimura, T., Kraft, R. P., Elsner, R. F., Branduardi‐Raymont, G., Gladstone, G. R., Tao, C., Yoshioka, K., Murakami, G., Yamazaki, A., Tsuchiya, F., Vogt, M. F., Masters, A., Hasegawa, H., Badman, S. V., Roediger, E., Ezoe, Y., Dunn, W. R., Yoshikawa, I., Fujimoto, M., Murray, S. S.

“…Jupiter's X‐ray auroral emission in the polar cap region results from particles which have undergone strong field‐aligned acceleration into the ionosphere. The…”
Get full text

A Chandra Study of Particle Acceleration in the Multiple Hot Spots of Nearby Radio Galaxies by Hardcastle, M. J, Croston, J. H, Kraft, R. P

“…We present Chandra observations of a small sample of nearby classical double radio galaxies that have more than one radio hot spot in at least one of their…”
Get full text

A Chandra Study of the Multicomponent X-Ray Emission from the X-shaped Radio Galaxy 3C 403 by Kraft, R. P, Hardcastle, M. J, Worrall, D. M, Murray, S. S

“…We present results from a 49.4 ks Chandra ACIS-S observation of the nearby (z = 0.059) X-shaped FR type II (FR II) radio galaxy 3C 403. This is the first…”
Get full text

The Jet Heated X-Ray Filament in the Centaurus A Northern Middle Radio Lobe by Kraft, R. P, Forman, W. R, Hardcastle, M. J, Birkinshaw, M, Croston, J. H, Jones, C, Nulsen, P. E. J, Worrall, D. M, Murray, S. S

“…We present results from a 40 ks XMM-Newton observation of the X-ray filament coincident with the southeast edge of the Centaurus A Northern Middle Radio Lobe…”
Get full text

The Gas Dynamics of NGC 4472 Revealed by XMM-Newton by Kraft, R. P, Forman, W. R, Jones, C, Nulsen, P. E. J, Hardcastle, M. J, Raychaudhury, S, Evans, D. A, Sivakoff, G. R, Sarazin, C. L

“…We present results from a 100 ks XMM-Newton observation of the hot gas in the Virgo cluster elliptical galaxy NGC 4472. We find a surface brightness…”
Get full text