Search Results - "Zrake, J"

Efficient Nonthermal Particle Acceleration by the Kink Instability in Relativistic Jets by Alves, E P, Zrake, J, Fiuza, F

“…Relativistic magnetized jets from active galaxies are among the most powerful cosmic accelerators, but their particle acceleration mechanisms remain a mystery…”
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Constraining the PG 1553+113 Binary Hypothesis: Interpreting Hints of a New, 22 yr Period by Adhikari, S., Peñil, P., Westernacher-Schneider, J. R., Domínguez, A., Ajello, M., Buson, S., Rico, A., Zrake, J.

“…Abstract PG 1553+113 is a well-known blazar exhibiting evidence of a ∼2.2 yr quasiperiodic oscillation (QPO) in the radio, optical, X-ray, and γ -ray bands…”
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Evidence for X-Ray Emission in Excess to the Jet-afterglow Decay 3.5 yr after the Binary Neutron Star Merger GW 170817: A New Emission Component by Hajela, A., Margutti, R., Bright, J. S., Alexander, K. D., Metzger, B. D., Nedora, V., Kathirgamaraju, A., Margalit, B., Radice, D., Guidorzi, C., Berger, E., MacFadyen, A., Giannios, D., Chornock, R., Heywood, I., Sironi, L., Gottlieb, O., Coppejans, D., Laskar, T., Cendes, Y., Duran, R. Barniol, Eftekhari, T., Fong, W., McDowell, A., Nicholl, M., Xie, X., Zrake, J., Bernuzzi, S., Broekgaarden, F. S., Kilpatrick, C. D., Terreran, G., Villar, V. A., Blanchard, P. K., Gomez, S., Hosseinzadeh, G., Matthews, D. J., Rastinejad, J. C.

“…Abstract For the first ∼3 yrs after the binary neutron star merger event GW 170817, the radio and X-ray radiation has been dominated by emission from a…”
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Multiwavelength analysis of Fermi-LAT blazars with high-significance periodicity: detection of a long-term rising emission in PG 1553+113 by Peñil, P, Westernacher-Schneider, J R, Ajello, M, Domínguez, A, Buson, S, Otero-Santos, J, Marcotulli, L, Torres−Albà, N, Zrake, J

“…ABSTRACT Blazars display variable emission across the entire electromagnetic spectrum, with time-scales that can range from a few minutes to several years. Our…”
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Gamma Rays from Fast Black-hole Winds by Ajello, M., Baldini, L., Ballet, J., Barbiellini, G., Bastieri, D., Bellazzini, R., Berretta, A., Bissaldi, E., Blandford, R. D., Bloom, E. D., Bonino, R., Bruel, P., Buson, S., Cameron, R. A., Caprioli, D., Caputo, R., Cavazzuti, E., Chartas, G., Chen, S., Cheung, C. C., Chiaro, G., Costantin, D., Cutini, S., D’Ammando, F., de la Torre Luque, P., de Palma, F., Diesing, R., Di Lalla, N., Dirirsa, F., Di Venere, L., Domínguez, A., Fegan, S. J., Franckowiak, A., Fukazawa, Y., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Giglietto, N., Green, D., Guiriec, S., Hartmann, D., Horan, D., Jóhannesson, G., Karwin, C., Kerr, M., Kovačević, M., Kuss, M., Larsson, S., Latronico, L., Lemoine-Goumard, M., Li, J., Liodakis, I., Longo, F., Loparco, F., Lovellette, M. N., Lubrano, P., Maldera, S., Manfreda, A., Marchesi, S., Marcotulli, L., Martí-Devesa, G., Mazziotta, M. N., Mereu, I., Michelson, P. F., Mizuno, T., Monzani, M. E., Morselli, A., Moskalenko, I. V., Negro, M., Omodei, N., Orienti, M., Orlando, E., Paliya, V., Paneque, D., Pei, Z., Persic, M., Pesce-Rollins, M., Porter, T. A., Principe, G., Racusin, J. L., Rainò, S., Rando, R., Rani, B., Razzano, M., Reimer, A., Reimer, O., Saz Parkinson, P. M., Serini, D., Sgrò, C., Siskind, E. J., Spandre, G., Spinelli, P., Suson, D. J., Tak, D., Torres, D. F., Troja, E., Wood, K., Zaharijas, G., Zrake, J.

“…Abstract Massive black holes at the centers of galaxies can launch powerful wide-angle winds that, if sustained over time, can unbind the gas from the stellar…”
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A radiological characterization of remediated tank battery sites by Hebert, M B, Scott, L M, Zrake, S J

“…Tank battery sites have historically been used for the initial processing of crude oil which separates water and sediment from the produced oil. Typically, one…”
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Evidence of Periodic Variability in Gamma-ray Emitting Blazars with Fermi-LAT by Peñil, P, Ajello, M, Buson, S, Domínguez, A, Westernacher-Schneider, J. R, Zrake, J

“…It is well known that blazars can show variability on a wide range of time scales. This behavior can include periodicity in their $\gamma$-ray emission, whose…”
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Multiwavelength Analysis of Fermi-LAT Blazars with High-Significance Periodicity: Detection of a Long-Term Rising Emission in PG 1553+113 by Peñil, P, Westernacher-Schneider, J. R, Ajello, M, Domínguez, A, Buson, S, Otero-Santos, J, Marcotulli, L, Torres-Albà, N, Zrake, J

“…Blazars display variable emission across the entire electromagnetic spectrum, with timescales that can range from a few minutes to several years. Our recent…”
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Active Galactic Nuclei: The TeV Challenge by Blandford, R, East, W, Nalewajko, K, Yuan, Y, Zrake, J

“…Jets associated with Active Galactic Nuclei (AGN) have been observed for almost a century, initially at optical and radio wavelengths. They are now widely…”
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Evidence for X-ray Emission in Excess to the Jet Afterglow Decay 3.5 yrs After the Binary Neutron Star Merger GW 170817: A New Emission Component by Hajela, A, Margutti, R, Bright, J. S, Alexander, K. D, Metzger, B. D, Nedora, V, Kathirgamaraju, A, Margalit, B, Radice, D, Guidorzi, C, Berger, E, MacFadyen, A, Giannios, D, Chornock, R, Heywood, I, Sironi, L, Gottlieb, O, Coppejans, D, Laskar, T, Cendes, Y, Duran, R. Barniol, Eftekhari, T, Fong, W, McDowell, A, Nicholl, M, Xie, X, Zrake, J, Bernuzzi, S, Broekgaarden, F. S, Kilpatrick, C. D, Terreran, G, Villar, V. A, Blanchard, P. K, Gomez, S, Hosseinzadeh, G, Matthews, D. J, Rastinejad, J. C

“…For the first $\sim3$ years after the binary neutron star merger event GW 170817 the radio and X-ray radiation has been dominated by emission from a structured…”
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Extreme Plasma Astrophysics by Uzdensky, D, Begelman, M, Beloborodov, A, Blandford, R, Boldyrev, S, Cerutti, B, Fiuza, F, Giannios, D, Grismayer, T, Kunz, M, Loureiro, N, Lyutikov, M, Medvedev, M, Petropoulou, M, Philippov, A, Quataert, E, Schekochihin, A, Schoeffler, K, Silva, L, Sironi, L, Spitkovsky, A, Werner, G, Zhdankin, V, Zrake, J, Zweibel, E

“…This is a science white paper submitted to the Astro-2020 and Plasma-2020 Decadal Surveys. The paper describes the present status and emerging opportunities in…”
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Two years of non-thermal emission from the binary neutron star merger GW170817: rapid fading of the jet afterglow and first constraints on the kilonova fastest ejecta by Hajela, A, Margutti, R, Alexander, K. D, Kathirgamaraju, A, Baldeschi, A, Guidorzi, C, Giannios, D, Fong, W, Wu, Y, MacFadyen, A, Paggi, A, Berger, E, Blanchard, P. K, Chornock, R, Coppejans, D. L, Cowperthwaite, P. S, Eftekhari, T, Gomez, S, Hosseinzadeh, G, Laskar, T, Metzger, B. D, Nicholl, M, Paterson, K, Radice, D, Sironi, L, Terreran, G, Villar, V. A, Williams, P. K. G, Xie, X, Zrake, J

“…We present Chandra and VLA observations of GW170817 at ~521-743 days post merger, and a homogeneous analysis of the entire Chandra data set. We find that the…”
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The Optical Afterglow of GW170817: An Off-axis Structured Jet and Deep Constraints on a Globular Cluster Origin by Fong, Wen-fai, Blanchard, P. K, Alexander, K. D, Strader, J, Margutti, R, Hajela, A, Villar, V. A, Wu, Y, Ye, C. S, Berger, E, Chornock, R, Coppejans, D, Cowperthwaite, P. S, Eftekhari, T, Giannios, D, Guidorzi, C, Kathirgamaraju, A, Laskar, T, MacFadyen, A, Metzger, B. D, Nicholl, M, Paterson, K, Terreran, G, Sand, D. J, Sironi, L, Williams, P. K. G, Xie, X, Zrake, J

“…We present a revised and complete optical afterglow light curve of the binary neutron star merger GW170817, enabled by deep Hubble Space Telescope (HST) F606W…”
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A Decline in the X-ray through Radio Emission from GW170817 Continues to Support an Off-Axis Structured Jet by Alexander, K. D, Margutti, R, Blanchard, P. K, Fong, W, Berger, E, Hajela, A, Eftekhari, T, Chornock, R, Cowperthwaite, P. S, Giannios, D, Guidorzi, C, Kathirgamaraju, A, MacFadyen, A, Metzger, B. D, Nicholl, M, Sironi, L, Villar, V. A, Williams, P. K. G, Xie, X, Zrake, J

“…We present new observations of the binary neutron star merger GW170817 at $\Delta t\approx 220-290$ days post-merger, at radio (Karl G. Jansky Very Large…”
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The Binary Neutron Star event LIGO/VIRGO GW170817 a hundred and sixty days after merger: synchrotron emission across the electromagnetic spectrum by Margutti, Raffaella, Alexander, K. D, Xie, X, Sironi, L, Metzger, B. D, Kathirgamaraju, A, Fong, W, Blanchard, P. K, Berger, E, MacFadyen, A, Giannios, D, Guidorzi, C, Hajela, A, Chornock, R, Cowperthwaite, P. S, Eftekhari, T, Nicholl, M, Villar, V. A, Williams, P. K. G, Zrake, J

“…We report deep Chandra, HST and VLA observations of the binary neutron star event GW170817 at $t<160$ d after merger. These observations show that GW170817 has…”
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A numerical investigation of relativistic turbulence by Zrake, Jonathan J

“…We present a program of numerical simulations designed to investigate the fundamental properties and phenomenological consequences of relativistic hydrodynamic…”
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A numerical investigation of relativistic turbulence by Zrake, Jonathan J

“…We present a program of numerical simulations designed to investigate the fundamental properties and phenomenological consequences of relativistic hydrodynamic…”
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