PPT-CURRENT and FUTURE X-RAY SPECTROMETERS

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Spectroscopy School MSSL March 1718 2009 Frits Paerels Columbia Astrophysics Laboratory Columbia University New York Overview Diffractive vs Nondiffractive Spectrometers

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CURRENT and FUTURE X-RAY SPECTROMETERS: Transcript


Spectroscopy School MSSL March 1718 2009 Frits Paerels Columbia Astrophysics Laboratory Columbia University New York Overview Diffractive vs Nondiffractive Spectrometers Diffractive Spectrometers gratings crystals. Christopher C. Lindner, . Milos. . Milosavljevic. , Sean Couch, . Pawan. Kumar. . The University of Texas at Austin. Results. We have conducted hydrodynamic simulations of the viscous post-core-collapse accretion of a rapidly rotating 14 solar mass Wolf-. – . 3/16 . Lecture. Announcements. Second Homework Set. Today’s . Lecture. Spectroscopy (Chapter 17. ). Region of Minimum Uncertainty (skipped last time. ). Spectroscopic Instrumentation (Chapter 19). David Cohen. Swarthmore College. XMM-Newton. Chandra. Launched 2000: superior . sensitivity, . spatial resolution, and . spectral resolution. sub-. arcsecond. resolution. XMM-Newton. Chandra. Both have CCD detectors for imaging spectroscopy:. with matter. Interaction of x-ray photons with matter. . When a beam of x-ray photons passes through matter, its intensity (energy . –. or number of x-ray photons - flowing per second) is reduced: . Mysterious explosions in the Universe. Poonam Chandra. Royal Military College of Canada. Universe is 14 billion years old.. Our sun is 5 billion years.. Supernovae and Gamma ray bursts. Explosions lasting fraction of a second to few seconds.. X-RAY TUBE. MADE OF THIN PYREX GLASS OR METAL ENCLOSURE TO WITHSTAND HIGH HEAT LOAD AND MINIMIZE X-RAY ABSORPTON. IS GAS EVAUCUATED . so electrons won’t collide with the air molecules in the tube. THE X-RAY. Slim design based on aluminium enclosure.. Ideally suited for use with a notebook or ultrabook. Power provided by the USB port – Via USB Y cable or extra external power supply. Includes Nero Burn & Archive software *– easily create your own Blu-ray, DVD or CD archive. Consider the following example:. 1) The electron beam is produced by accelerating electrons through an electric potential difference of 380 V. What is the speed of the electrons as they leave the 380 V plate?. a tiny crash course. Florian Simon 10/17/2011. What is a “GIF”?. Graphics Interchange Format (GIF) is a bitmap image format that was introduced by CompuServe in 1987 and has since come into widespread usage on the World Wide Web due to its wide support and portability.. Visible structures. 1.  - Trachea. 2.  - Hila. 3.  - Lungs. 4.  - Diaphragm. 5.  - Heart. 6.  - Aortic knuckle. 7.  - Ribs. 8.  - Scapulae. 9.  - Breasts. 10.  - Bowel gas. Normal chest X-ray anatomy. Major progress in 2020. Funding and specification for final instrument. V3, phase 1 and 2 advanced very well, despite COVID. Major steps forward in comparing simulations with measurements, for jets, optics . David Attwood. University of California, Berkeley. 1. The short wavelength region of the electromagnetic spectrum. 2. n = 1 – δ + iβ δ, β << 1. Characteristic absorption edges for almost all elements in this spectral region. ABRAÃO NOVA, FREDERICO RIBEIRO, PAMALLA OLIVEIRA, DANIEL AMANCIO, CÁSSIA MACHADO, ALEXANDRA CAROLINA, MARCIO PAIXÃO, ANTONIO ANTONINO, ENIVALDO BARBOSA, ANTONIO BARBOSA, MARIA LOURENÇO, MARCOS RODRIGUES, AND RICHARD HECK. some views on its status. and perspectives. September. , 15th 2021. . P. hilippe Laurent. CEA/DRF/IRFU/. DAp. Gamma-ray astronomy status and perspective. Plan. Current/future hard X-ray/. -ray. telescopes.

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