'4 kev' diaporamas de présentation

Measuring parameters of Supermassive Black Holes ????????? ?????????? ?????? ???

Measuring parameters of Supermassive Black Holes ????????? ?????????? ?????? ???. ?.?.??????? (Alexander F. Zakharov) Institute of Theoretical and Experimental Physics , Moscow ASC FI RAS E-mail: zakharov@itep.ru

1.27k views • 115 slides

High Energy Astrophysics

High Energy Astrophysics. Active Galactic Nuclei. Introduction. Active Galactic Nuclei (AGN) are powerful sources of radiation which exist in the centre of 1-10% of all galaxies Galaxies which host an AGN are known as active galaxies

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X-Ray Polarimetry Programs in Italy

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The fraction of obscured quasars

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440 views • 28 slides

Lecture 21

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Fluorescent Iron-Line Emission in the Galactic Centre

Fluorescent Iron-Line Emission in the Galactic Centre. Bob Warwick University of Leicester, UK. XMM-NEWTON GALACTIC CENTRE SURVEYS. WIDE-FIELD SURVEY Anne Decourchelle Saclay Bob Warwick Leicester Masaaki Sakano Leicester Peter Predehl MPE Delphine Porquet MPE. SGR A* MONITORING

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X-ray polarimetry in astrophysics

X-ray polarimetry in astrophysics. Paolo Soffitta IAPS-INAF. Why X-ray Astrophysical Polarimetry ? Polarization from celestial sources in X-rays may derive from: Emission processes themselves : cyclotron, synchrotron, non-thermal bremmstrahlung

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The Galactic Center Diffuse X-Rays Katsuji Koyama , Kyoto University

334 views • 23 slides

Steve Drake HEASARC/GSFC & USRA/CRESST

2014 August 21 st , HEAD Meeting. Very Bright, Very Hot and Very Long: Swift Observations of the DG CVn " Superflare " of April 23rd, 2014. Steve Drake HEASARC/GSFC & USRA/CRESST. Collaborators. Rachel Osten ( STScI ) Adam Kowalski (ORAU/GSFC) Kim Page (U Leicester)

299 views • 21 slides

Steve Drake HEASARC/GSFC & USRA/CRESST

2014 August 21 st , HEAD Meeting. Very Bright, Very Hot and Very Long: Swift Observations of the DG CVn " Superflare " of April 23rd, 2014. Steve Drake HEASARC/GSFC & USRA/CRESST. Collaborators. Rachel Osten ( STScI ) Adam Kowalski (ORAU/GSFC) Kim Page (U Leicester)

305 views • 21 slides

Physics Analysis of FIRE

Physics Analysis of FIRE. S. C. Jardin PPPL with input from C.Kessel, D.Meade, & the FIRE team. NSO PAC-3 Meeting July 10-11, 2001 Madison, Wisconsin. Outline. Systems code scans over Aspect Ratio FIRE* operating point and reference discharge GLF23 Analysis Analysis of LHCD in FIRE

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Rubidium 83: A low-energy, spatially uniform calibrator for xenon TPCs

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509 views • 19 slides

Study of accretion and ejection flows around supermassive black holes in AGNs

MC reports after inputs taken from: CNES doc. (Ferrando et al.); SX-SciRD (Giommi et al.); DOC 40 (Costa et al.); with contributions from Giommi, Grandi, Migliori, Ponti. Selected issues on AGNs for Simbol-X. Issue n.3.

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S. Zane, G. Ramsay MSSL, University College of London, UK M. Jimenez MIT, Cambridge, USA

266 views • 16 slides

A deep view of the iron line and spectral variability in NGC 4051

A deep view of the iron line and spectral variability in NGC 4051. James Reeves Collaborators:- Jane Turner, Lance Miller, Andrew Lobban, Valentina Braito, Steve Kraemer, Mike Crenshaw. NGC 4051. Nearby Narrow Lined Seyfert 1 Galaxy (z = 0.002336, 15.2 Mpc)

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g4beamline study of Si PIN diode Bill Ashmanskas 2008-03-06

g4beamline study of Si PIN diode Bill Ashmanskas 2008-03-06. I didn't start until I got Camille's reminder email yesterday ... Nevertheless, I got something useful out of the simulation! So g4beamline is a pretty handy tool.

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T l B r

V. Gostilo 1 , A. Owens 2 , M. Bavdaz 2 , I . Lisjutin 1 , A. Peacock 2 , H. Sipila 3 , S. Zatoloka 1 1 Baltic Scientific Instruments Ganibu dambis 26, P. O. Box 33, LV-1005, Riga, Latvia 2 Astrophysics Division ESA/ESTEC Postbus 299, 2200AG Noordwijk , The Netherlands

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NeXT Science of the Galactic Diffuse & SNR What I am learning from Suzaku

NeXT Science of the Galactic Diffuse & SNR What I am learning from Suzaku Hard Tail ( > 6 keV) : Galactic Center (GC), Arches XRNs Galactic Ridge (GR), SN1006, RXJ 1713, Vera-Jr. RXJ Sgr A East, Cas A, Tycho Fe 6.4 keV line GC, GR, XRNs, RCW86

212 views • 8 slides