Search Results - "Behar, E."

Black hole feedback in the luminous quasar PDS 456 by Nardini, E., Reeves, J. N., Gofford, J., Harrison, F. A., Risaliti, G., Braito, V., Costa, M. T., Matzeu, G. A., Walton, D. J., Behar, E., Boggs, S. E., Christensen, F. E., Craig, W. W., Hailey, C. J., Matt, G., Miller, J. M., O'Brien, P. T., Stern, D., Turner, T. J., Ward, M. J.

“…The evolution of galaxies is connected to the growth of supermassive black holes in their centers. During the quasar phase, a huge luminosity is released as…”
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A fast and long-lived outflow from the supermassive black hole in NGC 5548 by Kaastra, J. S., Kriss, G. A., Cappi, M., Mehdipour, M., Petrucci, P.-O., Steenbrugge, K. C., Arav, N., Behar, E., Bianchi, S., Boissay, R., Branduardi-Raymont, G., Chamberlain, C., Costantini, E., Ely, J. C., Ebrero, J., Di Gesu, L., Harrison, F. A., Kaspi, S., Malzac, J., De Marco, B., Matt, G., Nandra, K., Paltani, S., Person, R., Peterson, B. M., Pinto, C., Ponti, G., Nuñez, F. Pozo, De Rosa, A., Seta, H., Ursini, F., de Vries, C. P., Walton, D. J., Whewell, M.

“…Supermassive black holes in the nuclei of active galaxies expel large amounts of matter through powerful winds of ionized gas. The archetypal active galaxy NGC…”
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The birth and growth of a solar wind cavity around a comet – Rosetta observations by Behar, E., Nilsson, H., Alho, M., Goetz, C., Tsurutani, B.

“…Abstract The Rosetta mission provided detailed observations of the growth of a cavity in the solar wind around comet 67P/Churyumov–Gerasimenko. As the comet…”
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Resonant Whistler‐Electron Interactions: MMS Observations Versus Test‐Particle Simulation by Behar, E., Sahraoui, F., Berčič, L.

“…We present a novel technique to analyze VDF, which allows to capture their fine structure including wave‐particles resonances. By applying the technique to…”
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The PG-RQS survey. Building the radio spectral distribution of radio-quiet quasars. I. The 45-GHz data by Baldi, R D, Laor, A, Behar, E, Horesh, A, Panessa, F, McHardy, I, Kimball, A

“…ABSTRACT The origin of the radio emission in radio-quiet quasars (RQQs) remains unclear. Radio emission may be produced by a scaled-down version of the…”
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Hard-X-ray-selected active galactic nuclei – I. A radio view at high frequencies by Chiaraluce, E, Panessa, F, Bruni, G, Baldi, R D, Behar, E, Vagnetti, F, Tombesi, F, McHardy, I

“…ABSTRACT A thorough study of radio emission in active galactic nuclei (AGNs) is of fundamental importance to understand the physical mechanisms responsible for…”
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Efficient meltwater drainage through supraglacial streams and rivers on the southwest Greenland ice sheet by Smith, Laurence C., Chu, Vena W., Yang, Kang, Gleason, Colin J., Pitcher, Lincoln H., Rennermalm, Asa K., Legleiter, Carl J., Behar, Alberto E., Overstreet, Brandon T., Moustafa, Samiah E., Tedesco, Marco, Forster, Richard R., LeWinter, Adam L., Finnegan, David C., Sheng, Yongwei, Balog, James

“…Significance Meltwater runoff from the Greenland ice sheet is a key contributor to global sea level rise and is expected to increase in the future, but it has…”
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What Shapes the Absorption Measure Distribution in AGN Outflows? by Adhikari, T. P., Ró a ska, A., Hryniewicz, K., Czerny, B., Behar, E.

“…The absorption measure distribution (AMD) in the X-ray outflows of Seyfert active galactic nuclei describes the distribution of absorbing column density as a…”
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A Hard Look at NGC 5347: Revealing a Nearby Compton-thick AGN by Kammoun, E. S., Miller, J. M., Zoghbi, A., Oh, K., Koss, M., Mushotzky, R. F., Brenneman, L. W., Brandt, W. N., Proga, D., Lohfink, A. M., Kaastra, J. S., Barret, D., Behar, E., Stern, D.

“…Current measurements show that the observed fraction of Compton-thick (CT) active galactic nuclei (AGN) is smaller than the expected values needed to explain…”
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Shocks in the Outflow of the RS Oph 2021 Eruption Observed with X-Ray Gratings by Orio, Marina, Behar, E., Luna, G. J. M., Drake, J. J., Gallagher, J., Nichols, J. S., Ness, J. U., Dobrotka, A., Mikolajewska, J., Della Valle, M., Ignace, R., Rahin, R.

“…Abstract The 2021 outburst of the symbiotic recurrent nova RS Oph was observed with the Chandra High Energy Transmission Gratings (HETG) on day 18 after…”
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CHEMICAL AND PHYSICAL PARAMETERS FROM X-RAY HIGH-RESOLUTION SPECTRA OF THE GALACTIC NOVA V959 MON by Peretz, U., Orio, M., Behar, E, Bianchini, A., Gallagher, J., Rauch, T., Tofflemire, B., Zemko, P.

“…ABSTRACT Two observations of V959 Mon done using the Chandra X-ray gratings during the late outburst phases (2012 September and December) offer extraordinary…”
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NICER Monitoring of Supersoft X-Ray Sources by Orio, M., Gendreau, K., Giese, M., Luna, G. J. M., Magdolen, J., Pei, S., Sun, B., Behar, E., Dobrotka, A., Mikolajewska, J., Pasham, Dheeraj R., Strohmayer, T. E.

“…Abstract We monitored four supersoft sources—two persistent ones, CAL 83 and MR Vel, and the recent novae YZ Ret (Nova Ret 2020), and V1674 Her (Nova Her…”
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THE CHANDRA PLANETARY NEBULA SURVEY (ChanPlaNS). III. X-RAY EMISSION FROM THE CENTRAL STARS OF PLANETARY NEBULAE by Montez, R Jr, Kastner, J H, Balick, B, Behar, E, Blackman, E, Bujarrabal, V, Chu, Y-H, Corradi, R L M, De Marco, O, Frank, A

“…We present X-ray spectral analysis of 20 point-like X-ray sources detected in Chandra Planetary Nebula Survey observations of 59 planetary nebulae (PNe) in the…”
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DISCOVERY OF BROAD SOFT X-RAY ABSORPTION LINES FROM THE QUASAR WIND IN PDS 456 by Reeves, J. N., Braito, V., Nardini, E., Behar, E., O'Brien, P. T., Tombesi, F., Turner, T. J., Costa, M. T.

“…ABSTRACT High-resolution soft X-ray spectroscopy of the prototype accretion disk wind quasar, PDS 456, is presented. Here, the XMM-Newton reflection grating…”
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A Hard Look at Local, Optically Selected, Obscured Seyfert Galaxies by Kammoun, E. S., Miller, J. M., Koss, M., Oh, K., Zoghbi, A., Mushotzky, R. F., Barret, D., Behar, E., Brandt, W. N., Brenneman, L. W., Kaastra, J. S., Lohfink, A. M., Proga, D., Stern, D.

“…Abstract We study the X-ray spectra of a sample of 19 obscured, optically selected Seyfert galaxies (Sy 1.8, 1.9, and 2) in the local universe ( d  ≤ 175 Mpc),…”
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Mass loading at 67P/Churyumov‐Gerasimenko: A case study by Behar, E., Nilsson, H., Wieser, G. Stenberg, Nemeth, Z., Broiles, T. W., Richter, I.

“…We study the dynamics of the interaction between the solar wind ions and a partially ionized atmosphere around a comet, at a distance of 2.88 AU from the Sun…”
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Chandra High Energy Transmission Gratings Spectra of V3890 Sgr by Orio, M., Drake, J. J., Ness, J.-U., Behar, E., Luna, G. J. M., Darnley, M. J., Gallagher, J., Gehrz, R. D., Kuin, N. P. M., Mikolajewska, J., Ospina, N., Page, K. L., Poggiani, R., Starrfield, S., Williams, R., Woodward, C. E.

“…The recurrent nova (RN) V3890 Sgr was observed during the seventh day after the onset of its most recent outburst, with the Chandra ACIS-S camera and High…”
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X-Ray Structure between the Innermost Disk and Optical Broad-line Region in NGC 4151 by Miller, J. M., Cackett, E., Zoghbi, A., Barret, D., Behar, E., Brenneman, L. W., Fabian, A. C., Kaastra, J. S., Lohfink, A., Mushotzky, R. F., Nandra, K., Raymond, J.

“…We present an analysis of the narrow Fe K line in Chandra/HETGS observations of the Seyfert active galactic nucleus (AGN) NGC 4151. The sensitivity and…”
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Dawn–dusk asymmetry induced by the Parker spiral angle in the plasma dynamics around comet 67P/Churyumov–Gerasimenko by Behar, E, Tabone, B, Nilsson, H

“…Abstract The solar wind and the ionized atmosphere of a comet, exchange energy and momentum on interacting. Our aim is to understand the influence of the…”
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A Compton-thick Wind in the High-luminosity Quasar, PDS 456 by Reeves, J. N, O'Brien, P. T, Braito, V, Behar, E, Miller, L, Turner, T. J, Fabian, A. C, Kaspi, S, Mushotzky, R, Ward, M

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