Search Results - "Wong, Ka Wah"

The NuSTAR View of Perseus: The Intracluster Medium and a Peculiar Hard Excess by Creech, Samantha, Wik, Daniel R., Rossland, Steven, Tümer, Ayşegül, Wong, Ka-Wah, Walker, Stephen A.

“…Abstract As the brightest galaxy cluster in the X-ray sky, Perseus is an excellent target for studying the intracluster medium (ICM), but until recently, its…”
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PROBING WHIM AROUND GALAXY CLUSTERS WITH FAST RADIO BURSTS AND THE SUNYAEV-ZEL'DOVICH EFFECT by Fujita, Yutaka, Akahori, Takuya, Umetsu, Keiichi, Sarazin, Craig L., Wong, Ka-Wah

“…ABSTRACT We propose a new method to probe the warm hot intergalactic medium (WHIM) beyond the virial radius (R200) of a cluster of galaxies, where X-ray…”
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SUZAKU X-RAY OBSERVATIONS OF THE NEAREST NON-COOL CORE CLUSTER, ANTLIA: DYNAMICALLY YOUNG BUT WITH REMARKABLY RELAXED OUTSKIRTS by Wong, Ka-Wah, Irwin, Jimmy A., Wik, Daniel R., Sun, Ming, Sarazin, Craig L., Fujita, Yutaka, Reiprich, Thomas H.

“…ABSTRACT We present the results of seven Suzaku mosaic observations (>200 ks in total) of the nearest non-cool core cluster, the Antlia Cluster (or Group),…”
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ISPD peritonitis guideline recommendations: 2022 update on prevention and treatment by Li, Philip Kam-Tao, Chow, Kai Ming, Cho, Yeoungjee, Fan, Stanley, Figueiredo, Ana E, Harris, Tess, Kanjanabuch, Talerngsak, Kim, Yong-Lim, Madero, Magdalena, Malyszko, Jolanta, Mehrotra, Rajnish, Okpechi, Ikechi G, Perl, Jeff, Piraino, Beth, Runnegar, Naomi, Teitelbaum, Isaac, Wong, Jennifer Ka-Wah, Yu, Xueqing, Johnson, David W

“…Peritoneal dialysis (PD)-associated peritonitis is a serious complication of PD and prevention and treatment of such is important in reducing patient morbidity…”
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Chandra and HST Snapshots of Fossil System Progenitors by Johnson, Lucas E., Irwin, Jimmy A., White, Raymond E., Wong, Ka-Wah, Dupke, Renato A.

“…The search for the progenitors to today's fossil galaxy systems has been restricted to N-body simulations until recently, when 12 fossil progenitors were…”
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Using Strong Gravitational Lensing to Identify Fossil Group Progenitors by Johnson, Lucas E., Irwin, Jimmy A., White, Raymond E., Wong, Ka-Wah, Maksym, W. Peter, Dupke, Renato A., Miller, Eric D., Carrasco, Eleazar R.

“…Fossil galaxy systems are classically thought to be the end result of galaxy group/cluster evolution, as galaxies experiencing dynamical friction sink to the…”
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MODELING HOT GAS FLOW IN THE LOW-LUMINOSITY ACTIVE GALACTIC NUCLEUS OF NGC 3115 by Shcherbakov, Roman V, Wong, Ka-Wah, Irwin, Jimmy A, Reynolds, Christopher S

“…Based on the dynamical black hole (BH) mass estimates, NGC 3115 hosts the closest billion solar mass BH. In this paper we connect the processes in the nuclear…”
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The high energy X-ray probe (HEX-P): probing the physics of the X-ray corona in active galactic nuclei by Kammoun, Elias, Lohfink, Anne M., Masterson, Megan, Wilkins, Dan R., Zhao, Xiurui, Balokovic, Mislav, Boorman, Peter G., Connors, Riley, Coppi, Paolo, Fabian, Andrew, García, Javier A., Madsen, Kristin K., Rodriguez Cavero, Nicole, Sridhar, Navin, Stern, Daniel, Tomsick, John, Wevers, Thomas, Walton, Dominic J., Bianchi, Stefano, Buchner, Johannes, Civano, Francesca M., Lanzuisi, Giorgio, Mallick, Labani, Matt, Giorgio, Merloni, Andrea, Nardini, Emanuele, Piotrowska, Joanna M., Ricci, Claudio, Wong, Ka-Wah, Zoghbi, Abderahmen

“…The hard X-ray emission in active galactic nuclei (AGN) and black hole X-ray binaries is thought to be produced by a hot cloud of electrons referred to as the…”
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XMM-Newton and Chandra Observations of Abell 2626: Interacting Radio Jets and Cooling Core with Jet Precession? by Wong, Ka-Wah, Sarazin, Craig L, Blanton, Elizabeth L, Reiprich, Thomas H

“…We present a detailed analysis of the XMM-Newton and Chandra observations of Abell 2626 focused on the X-ray and radio interactions. Within the region of the…”
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A randomized placebo-controlled study of long-acting octreotide for the treatment of advanced hepatocellular carcinoma by Yuen, Man-Fung, Poon, Ronnie Tung-Ping, Lai, Ching-Lung, Fan, Sheung-Tat, Lo, Chung-Mau, Wong, Ka-Wah, Wong, Wai Man, Wong, Benjamin Chun-Yu

“…Although various types of treatment of hepatocellular carcinoma (HCC) have been tried, the prognosis remains dismal, especially in patients with advanced stage…”
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The multiwavelength spectrum of NGC 3115: hot accretion flow properties by Almeida, Ivan, Nemmen, Rodrigo, Wong, Ka-Wah, Wu, Qingwen, Irwin, Jimmy A

“…Abstract NGC 3115 is the nearest galaxy hosting a billion solar mass black hole and is also a low-luminosity active galactic nucleus (LLAGN). X-ray…”
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NuSTAR Observation of the TeV-detected Radio Galaxy 3C 264: Core Emission and the Hot Accretion Flow Contribution by Wong, Ka-Wah, Steiner, Colin M., Blum, Allison M., Lin, Dacheng, Nemmen, Rodrigo, Irwin, Jimmy A., Wik, Daniel R.

“…Abstract 3C 264 is one of the few FRI radio galaxies with detected TeV emission. It is a low-luminosity active galactic nucleus (LLAGN) and is generally…”
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THE MEGASECOND CHANDRA X-RAY VISIONARY PROJECT OBSERVATION OF NGC 3115: WITNESSING THE FLOW OF HOT GAS WITHIN THE BONDI RADIUS by Wong, Ka-Wah, Irwin, Jimmy A, Shcherbakov, Roman V, YUKITA, MIHOKO, Million, Evan T, Bregman, Joel N

“…Observational confirmation of hot accretion model predictions has been hindered by the challenge to resolve spatially the Bondi radii of black holes with X-ray…”
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Prospects for AGN Studies with AXIS: AGN Fueling—Resolving Hot Gas inside Bondi Radius of SMBHs by Wong, Ka-Wah, Russell, Helen R., Irwin, Jimmy A., Cappelluti, Nico, Foord, Adi

“…Hot gas around a supermassive black hole (SMBH) should be captured within the gravitational “sphere of influence”, characterized by the Bondi radius. Deep…”
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THE MEGASECOND CHANDRA X-RAY VISIONARY PROJECT OBSERVATION OF NGC 3115. II. PROPERTIES OF POINT SOURCES by Lin, Dacheng, Irwin, Jimmy A., Wong, Ka-Wah, Jennings, Zachary G., Homan, Jeroen, Romanowsky, Aaron J., Strader, Jay, Sivakoff, Gregory R., Brodie, Jean P., Remillard, Ronald A.

“…ABSTRACT We carried out an in-depth study of low-mass X-ray binaries (LMXBs) detected in the nearby lenticular galaxy NGC 3115 using the Megasecond Chandra…”
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THE MEGASECOND CHANDRA X-RAY VISIONARY PROJECT OBSERVATION OF NGC 3115. III. LUMINOSITY FUNCTIONS OF LMXBS AND DEPENDENCE ON STELLAR ENVIRONMENTS by Lin, Dacheng, Irwin, Jimmy A., Wong, Ka-Wah, Jennings, Zachary G., Homan, Jeroen, Romanowsky, Aaron J., Strader, Jay, Brodie, Jean P., Sivakoff, Gregory R., Remillard, Ronald A.

“…ABSTRACT We studied the X-ray luminosity function (XLF) of low-mass X-ray binaries (LMXBs) in the nearby lenticular galaxy NGC 3115, using the Megasecond…”
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X-ray Signatures of Non-equilibrium Ionization Effects in Galaxy Cluster Accretion Shock Regions by Wong, Ka-Wah, Sarazin, Craig L, Ji, Li

“…The densities in the outer regions of clusters of galaxies are very low, and the collisional timescales are very long. As a result, heavy elements will be…”
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The Evolution of Galaxies and Clusters at High Spatial Resolution with Advanced X-ray Imaging Satellite (AXIS) by Russell, Helen R., Lopez, Laura A., Allen, Steven W., Chartas, George, Choudhury, Prakriti Pal, Dupke, Renato A., Fabian, Andrew C., Flores, Anthony M., Garofali, Kristen, Hodges-Kluck, Edmund, Koss, Michael J., Lanz, Lauranne, Lehmer, Bret D., Li, Jiang-Tao, Maksym, W. Peter, Mantz, Adam B., McDonald, Michael, Miller, Eric D., Mushotzky, Richard F., Qiu, Yu, Reynolds, Christopher S., Tombesi, Francesco, Tozzi, Paolo, Trindade-Falcão, Anna, Walker, Stephen A., Wong, Ka-Wah, Yukita, Mihoko, Zhang, Congyao

“…Stellar and black hole feedback heat and disperse surrounding cold gas clouds, launching gas flows off circumnuclear and galactic disks, producing a dynamic…”
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Effects of the Non-Equipartition of Electrons and Ions in the Outskirts of Relaxed Galaxy Clusters by Wong, Ka-Wah, Sarazin, Craig L

“…We have studied the effects of electron-ion non-equipartition in the outer regions of relaxed clusters for a wide range of masses in the Delta *LCDM cosmology…”
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The Impact of Non-equipartition on Cosmological Parameter Estimation from Sunyaev-Zel'dovich Surveys by Wong, Ka-Wah, Sarazin, Craig L, Wik, Daniel R

“…The collisionless accretion shock at the outer boundary of a galaxy cluster should primarily heat the ions instead of electrons since they carry most of the…”
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