Volker Beckmann

Identifiants chercheurs

IdHAL :

volker-beckmann

ORCID :

0000-0002-2778-8569

IdRef :

16505736X

Publications

Article dans une revue (38)

PHEMTO: the polarimetric high energy modular telescope observatory P. Laurent,F. Acero,V. Beckmann,S. Brandt,F. Cangemiet al. Experimental Astronomy, 2021, 51 (3), pp.1143-1173. ⟨10.1007/s10686-021-09723-x⟩ Article dans une revue hal-02327752v1
INTEGRAL serendipitous observations of solar and terrestrial X-rays and gamma rays Marc Türler,Vincent Tatischeff,Volker Beckmann,Eugene Churazov New Astronomy Reviews, 2021, 93, pp.101616. ⟨10.1016/j.newar.2021.101616⟩ Article dans une revue hal-03210351v1
15 years of Galactic surveys and hard X-ray Background measurements Roman A. Krivonos,Antony J. Bird,Eugene M. Churazov,John A. Tomsick,Angela Bazzanoet al. New Astronomy Reviews, 2021, 92, pp.101612. ⟨10.1016/j.newar.2021.101612⟩ Article dans une revue hal-03164396v1
INTEGRAL view of AGN Angela Malizia,Sergey Sazonov,Loredana Bassani,Elena Pian,Volker Beckmannet al. New Astronomy Reviews, 2020, 90, pp.101545. ⟨10.1016/j.newar.2020.101545⟩ Article dans une revue hal-02946134v1
BAT AGN Spectroscopic Survey - V. X-ray properties of the Swift/BAT 70-month AGN catalog Claudio Ricci,Benny Trakhtenbrot,Michael J. Koss,Yoshihiro Ueda,Ivan del Vecchioet al. The Astrophysical Journal Supplement, 2017, 233 (2), pp.17. ⟨10.3847/1538-4365/aa96ad⟩ Article dans une revue hal-01669816v1
The Canada–France Imaging Survey: First Results from the u-Band Component Rodrigo Ibata,Alan Mcconnachie,Jean-Charles Cuillandre,Nicholas Fantin,Misha Haywoodet al. The Astrophysical Journal Letters, 2017, 848 (2), pp.128. ⟨10.3847/1538-4357/aa855c⟩ Article dans une revue hal-01714623v1
Multiwavelength variability study and search for periodicity of PKS 1510–089 G. Castignani,E. Pian,T.M. Belloni,F. d'Ammando,L. Foschiniet al. Astronomy & Astrophysics - A&A, 2017, 601, pp.A30. ⟨10.1051/0004-6361/201629775⟩ Article dans une revue hal-01554706v1
Chemical Mapping of the Milky Way with The Canada–France Imaging Survey: A Non-parametric Metallicity–Distance Decomposition of the Galaxy Rodrigo Ibata,Alan Mcconnachie,Jean-Charles Cuillandre,Nicholas Fantin,Misha Haywoodet al. The Astrophysical Journal, 2017, 848 (2), pp.129. ⟨10.3847/1538-4357/aa8562⟩ Article dans une revue hal-01714625v1
A comprehensive analysis of the hard X-ray spectra of bright Seyfert galaxies P. Lubiński,V. Beckmann,L. Gibaud,S. Paltani,I. E. Papadakiset al. Monthly Notices of the Royal Astronomical Society, 2016, 458 (3), pp.2454 - 2475. ⟨10.1093/mnras/stw454⟩ Article dans une revue hal-01576533v1
High-energy emission processes in M87 Sandra de Jong,Volker Beckmann,S. Soldi,V. Savchenko Monthly Notices of the Royal Astronomical Society, 2015, pp.10. ⟨10.1093/mnras/stv927⟩ Article dans une revue hal-01171235v1
An active state of the BL Lac Object Markarian 421 detected by INTEGRAL in April 2013 Elena Pian,M. Turler,L. Foschini,F. Tavecchio,Volker Beckmannet al. Astronomy & Astrophysics - A&A, 2014, pp.11. ⟨10.1051/0004-6361/201322191⟩ Article dans une revue hal-01171242v1
Long-term variability of AGN at hard X-rays S. Soldi,Volker Beckmann,Wayne H. Baumgartner,Gabriele Ponti,Chris R. Shraderet al. Astronomy & Astrophysics - A&A, 2014, 563 (A57), pp.16. ⟨10.1051/0004-6361/201322653⟩ Article dans une revue hal-01171251v1
Introducing the CTA concept B.S. Acharya,M. Actis,T. Aghajani,G. Agnetta,J. Aguilaret al. Astroparticle Physics, 2013, 43, pp.3-18. ⟨10.1016/J.ASTROPARTPHYS.2013.01.007⟩ Article dans une revue in2p3-00813224v1
The nature of the multi-wavelength emission of 3C 111 S. de Jong,V. Beckmann,F. Mattana Astronomy & Astrophysics - A&A, 2012, 545, pp.A90. ⟨10.1051/0004-6361/201219302⟩ Article dans une revue hal-00728172v1
INTEGRAL observations of the GeV blazar PKS 1502+106 and the hard X-ray bright Seyfert galaxy Mkn 841 E. Pian,P. Ubertini,A. Bazzano,V. Beckmann,D. Eckertet al. Astronomy & Astrophysics - A&A, 2011, 526, pp.125. ⟨10.1051/0004-6361/201015414⟩ Article dans une revue hal-00656120v1
The hard X-ray emission of Centaurus A V. Beckmann,P. Jean,P. Lubiński,S. Soldi,R. Terrier Astronomy & Astrophysics - A&A, 2011, 531, pp.70. ⟨10.1051/0004-6361/201016020⟩ Article dans une revue hal-00656046v1
Design concepts for the Cherenkov Telescope Array CTA: an advanced facility for ground-based high-energy gamma-ray astronomy M. Actis,G. Agnetta,F. Aharonian,A. Akhperjanian,J. Aleksićet al. Experimental Astronomy, 2011, 32, pp.193-316. ⟨10.1007/S10686-011-9247-0⟩ Article dans une revue hal-00656159v1
Studying the long-time variability of the Seyfert 2 galaxy NGC 4388 with INTEGRAL and Swift E. V. Fedorova,V. Beckmann,A. Neronov,S. Soldi Monthly Notices of the Royal Astronomical Society, 2011, 417, pp.1140-1147. ⟨10.1111/J.1365-2966.2011.19335.X⟩ Article dans une revue hal-00656096v1
SGR-like flaring activity of the anomalous X-ray pulsar 1E 1547.0-5408 V. Savchenko,A. Neronov,V. Beckmann,N. Produit,R. Walter Astronomy & Astrophysics - A&A, 2010, 510, pp.77 Article dans une revue hal-00656142v1
Extreme flux states of NGC 4151 observed with INTEGRAL Piotr Lubiński,A.A. Zdziarski,R. Walter,S. Paltani,V. Beckmannet al. Astronomy & Astrophysics - A&A, 2010, 408, pp.1851. ⟨10.1111/j.1365-2966.2010.17251.x⟩ Article dans une revue hal-00656132v1
Multi-zone warm and cold clumpy absorbers in three Seyfert galaxies C. Ricci,V. Beckmann,M. Audard,T.J.-L. Courvoisier Astronomy & Astrophysics - A&A, 2010, 518, pp.47 Article dans une revue hal-00656138v1
Soft gamma-ray sources detected by INTEGRAL D. Petry,V. Beckmann,H. Halloin,A. Strong Astronomy & Astrophysics - A&A, 2009, 507, pp.549. ⟨10.1051/0004-6361/200912844⟩ Article dans une revue hal-00656145v1
Renewed Activity from the X-Ray Transient SAXJ 1810.8-2609 with Integral M. Fiocchi,L. Natalucci,J. Chenevez,A. Bazzano,A. Taranaet al. The Astrophysical Journal, 2009, 693, pp.333-339. ⟨10.1088/0004-637X/693/1/333⟩ Article dans une revue hal-00728362v1
The second INTEGRAL AGN catalogue V. Beckmann,S. Soldi,C. Ricci,J. Alfonso-Garzón,T. J.-L. Courvoisieret al. Astronomy & Astrophysics - A&A, 2009, 505, pp.417-439. ⟨10.1051/0004-6361/200912111⟩ Article dans une revue hal-00656047v1
Pre-nova X-ray observations of V2491 Cygni (Nova Cyg 2008b) A. Ibarra,E. Kuulkers,J. P. Osborne,K. Page,J. U. Nesset al. Astronomy & Astrophysics - A&A, 2009, 497, pp.L5-L8. ⟨10.1051/0004-6361/200911710⟩ Article dans une revue hal-00728355v1
The efficient low-mass Seyfert MCG-05-23-016 V. Beckmann,T. J.-L. Courvoisier,N. Gehrels,P. Lubiński,J. Malzacet al. Astronomy & Astrophysics - A&A, 2008, 492, pp.93-99. ⟨10.1051/0004-6361:200810674⟩ Article dans une revue hal-00728363v1
The nature of the hard state of Cygnus X-3 L. Hjalmarsdotter,A. A. Zdziarski,S. Larsson,V. Beckmann,M. Mccolloughet al. Monthly Notices of the Royal Astronomical Society, 2008, 384, pp.278-290. ⟨10.1111/J.1365-2966.2007.12688.X⟩ Article dans une revue hal-00728367v1
GRO J1655-40: Early Stages of the 2005 Outburst N. Shaposhnikov,J. Swank,C. R. Shrader,M. Rupen,V. Beckmannet al. The Astrophysical Journal, 2007, 655, pp.434-446. ⟨10.1086/509755⟩ Article dans une revue hal-00728383v1
The 1-200 keV X-Ray Spectrum of NGC 2992 and NGC 3081 V. Beckmann,N. Gehrels,J. Tueller The Astrophysical Journal, 2007, 666, pp.122. ⟨10.1086/519486⟩ Article dans une revue hal-00713016v1
IGR J17497-2821: a new X-ray nova R. Walter,P. Lubiński,S. Paltani,N. Produit,J. Zuritaet al. Astronomy & Astrophysics - A&A, 2007, 461, pp.L17-L20. ⟨10.1051/0004-6361:20066520⟩ Article dans une revue hal-00728376v1
2003-2005 INTEGRAL and XMM-Newton observations of 3C 273 M. Chernyakova,A. Neronov,T. J.-L. Courvoisier,M. Türler,S. Soldiet al. Astronomy & Astrophysics - A&A, 2007, 465, pp.147-156. ⟨10.1051/0004-6361:20066285⟩ Article dans une revue hal-00728381v1
Hard X-ray variability of active galactic nuclei V. Beckmann,S. D. Barthelmy,T. J.-L. Courvoisier,N. Gehrels,S. Soldiet al. Astronomy & Astrophysics - A&A, 2007, 475, pp.827-835. ⟨10.1051/0004-6361:20078355⟩ Article dans une revue hal-00728369v1
A description of sources detected by INTEGRAL during the first 4 years of observations A. Bodaghee,T. J.-L. Courvoisier,J. Rodriguez,V. Beckmann,N. Produitet al. Astronomy & Astrophysics - A&A, 2007, 467, pp.585-596. ⟨10.1051/0004-6361:20077091⟩ Article dans une revue hal-00728373v1
Cygnus X-3 transition from the ultrasoft to the hard state V. Beckmann,S. Soldi,G. Bélanger,S. Brandt,M. D. Caballero-Garcíaet al. Astronomy & Astrophysics - A&A, 2007, 473, pp.903-905. ⟨10.1051/0004-6361:20078160⟩ Article dans une revue hal-00728371v1
The First INTEGRAL AGN Catalog V. Beckmann,N. Gehrels,C. R. Shrader,S. Soldi The Astrophysical Journal, 2006, 638, pp.642-652. ⟨10.1086/499034⟩ Article dans une revue hal-00728513v1
Average hard X-ray emission from NS LMXBs: Observational evidence of different spectral states in NS LMXBs A. Paizis,R. Farinelli,L. Titarchuk,T. J. -L. Courvoisier,A. Bazzanoet al. Astronomy & Astrophysics - A&A, 2006, 459, pp.187-197. ⟨10.1051/0004-6361:20065792⟩ Article dans une revue in2p3-00112414v1
The High-Energy Spectrum of NGC 4151 V. Beckmann,C. R. Shrader,N. Gehrels,S. Soldi,P. Lubinskiet al. The Astrophysical Journal, 2005, 634, pp.939-946. ⟨10.1086/497120⟩ Article dans une revue hal-00398199v1
Unveiling the nature of the high energy source IGR J19140+0951 J. Rodriguez,C. Cabanac,D. C. Hannikainen,V. Beckmann,S. E. Shawet al. Astronomy & Astrophysics - A&A, 2005, 432, pp.235-247. ⟨10.1051/0004-6361:20041854⟩ Article dans une revue hal-00398120v1

Communication dans un congrès (29)

EOSC : services et données FAIR pour la recherche Volker Beckmann Semaine Data-SHS, Centre de Données Socio-Politiques; Sciences Po; CNRS; Plateforme Universitaire de Données des Grands Moulins; Université Paris Cité; Plateforme Universitaire de Données de Nanterre; MSH Mondes, Dec 2022, PARIS, France Communication dans un congrès hal-04102500v1
Report on the First and Second Interdisciplinary Time Series Analysis Workshop (ITISA) Themis Palpanas,Volker Beckmann 2nd International Interdisciplinary Workshop on Time Series Analysis (CNRS/MASTODONS), Volker Beckmann; Themis Palpanas, Dec 2016, Paris, France. pp.36-40, ⟨10.1145/3377391.3377400⟩ Communication dans un congrès hal-02395480v1
Observer Access to the Cherenkov Telescope Array Jürgen Knödlseder,Volker Beckmann,Catherine Boisson,Sylvie Brau-Nogué,Christoph Deilet al. 34th International Cosmic Ray Conference, Jul 2015, The Hague, Netherlands. pp.781, ⟨10.22323/1.236.0781⟩ Communication dans un congrès hal-01553937v1
The eLISA/NGO Data Processing Centre V. Beckmann,A. Petiteau,E.K. Porter,G. Auger,E. Plagnolet al. 9th LISA Symposium, May 2012, Paris, France. pp.325 Communication dans un congrès hal-00829953v1
AGN emission processes of NGC 4945 in the X-rays and gamma-rays M.-L. Menzel,V. Beckmann,F. Mattana INTEGRAL conference "The Extreme and Variable High Energy Sky", Sep 2011, Chia Laguna, Italy. pp.075 Communication dans un congrès hal-00657216v1
Unbeamed γ-rays from low luminosity AGNs A. Niedźwiecki,F. Xie,V. Beckmann International Workshop on Beamed and Unbeamed Gamma-Rays from Galaxies, Apr 2011, Muonio, Finland. pp.2035, ⟨10.1088/1742-6596/355/1/012035⟩ Communication dans un congrès hal-00728760v1
The Elusive Radio Loud Seyfert 2 Galaxy NGC 2110 V. Beckmann,Olivier Do Cao American Astronomical Society Meeting #218, May 2011, Boston, United States Communication dans un congrès hal-00656082v1
Unification of AGN at hard X-rays V. Beckmann American Astronomical Society Meeting #218, May 2011, Boston, United States Communication dans un congrès hal-00656077v1
AGN variability at hard X-rays S. Soldi,W. Baumgartner,V. Beckmann,H. Krimm,P. Lubinskiet al. The X-ray Universe 2011, Jun 2011, Berlin, Germany Communication dans un congrès hal-00656111v1
The non-thermal core of 3C 111 S. de Jong,V. Beckmann The X-ray Universe 2011, Jun 2011, Berlin, Germany Communication dans un congrès hal-00656110v1
The elusive radio loud Seyfert 2 galaxy NGC 2110 V. Beckmann,O. Do Cao 8th INTEGRAL Workshop "The Restless Gamma-ray Universe", Sep 2010, Dublin, Ireland. pp.PoS(INTEGRAL 2010)081, ⟨10.22323/1.115.0081⟩ Communication dans un congrès hal-00656049v1
High-energy emission from NGC 5506, the brightest hard X-ray NLS1 S. Soldi,V. Beckmann,N. Gehrels,S. de Jong,P. Lubiński Proceedings of the conference "Narrow-Line Seyfert 1 Galaxies and their place in the Universe, Apr 2011, Milano, Italy. pp.63 Communication dans un congrès hal-00656127v1
High-energy emission from NGC 5506, the brightest hard X-ray Narrow Line Seyfert 1 galaxy S. Soldi,V. Beckmann,N. Gehrels,S. de Jong,P. Lubinski Narrow-Line Seyfert 1 Galaxies and their place in the Universe, Apr 2011, Milano, Italy. pp.63 Communication dans un congrès hal-00656114v1
The dominant emission process of the X-ray spectrum of Cen A V. Beckmann,P. Jean,P. Lubinski,S. Soldi,R. Terrier The X-ray Universe 2011, Jun 2011, Berlin, Germany Communication dans un congrès hal-00656072v1
Extended emission and spectral break in Cen A V. Beckmann,P. Jean,P. Lubinski,S. Soldi,R. Terrier 8th INTEGRAL Workshop, Sep 2010, Dublin, Ireland. pp.83 Communication dans un congrès hal-00656064v1
The COSPIX mission: focusing on the energetic and obscured Universe P. Ferrando,A. Goldwurm,Philippe Laurent,O. Limousin,V. Beckmannet al. 25th Texas Symposium on Relativistic Astrophysics (TEXAS 2010), Dec 2010, Heidelberg, Germany. pp.254, ⟨10.22323/1.123.0254⟩ Communication dans un congrès hal-00715281v1
The unified scheme seen with INTEGRAL detected AGN V. Beckmann,S. Soldi,C. Ricci,T. J.-L. Courvoisier,J. Alfonso-Garzónet al. X-ray Astronomy 2009, Sep 2009, Bologna, Italy. pp.365-368, ⟨10.1063/1.3475259⟩ Communication dans un congrès hal-00656060v1
Compton Large Area Silicon Timing Tracker for Cosmic Vision M3 F. Lebrun,F. Aharonian,V. Beckmann,W. Bertoli,J.-M. Bromet al. 8th INTEGRAL Workshop "The Restless Gamma-ray Universe", Sep 2010, Dublin, Ireland. pp.34 Communication dans un congrès in2p3-00671014v1
Compton processes in the bright AGN MCG+8-11-11 S. Soldi,V. Beckmann,N. Gehrels,P. Lubinski,C. Ricciet al. 8th INTEGRAL Workshop "The Restless Gamma-ray Universe", Sep 2010, Dublin, Ireland. pp.PoS(INTEGRAL 2010)077 Communication dans un congrès hal-00656117v1
Lessons learnt from INTEGRAL AGN V. Beckmann,C. Ricci,S. Soldi,J. Alfonso-Garzón,T. J.-L. Courvoisieret al. INTEGRAL Workshop, Oct 2009, Otranto, Italy. pp.38 Communication dans un congrès hal-00656093v1
The efficient low-mass Seyfert MCG-05-23-016 V. Beckmann,S. Soldi,T. J.-L. Courvoisier,N. Gehrels,P. Lubińskiet al. 7th INTEGRAL Workshop: "An INTEGRAL view on compact objects", Sep 2008, Copenhagen, Denmark. pp.58 Communication dans un congrès hal-00728456v1
Multi-wavelength studies of the broad line radio galaxies IGR J21247+5058 and 3C 390.3 C. Ricci,V. Beckmann,T. J.-L. Courvoisier,M. Audard,P. Lubiński 7th INTEGRAL workshop, Sep 2008, Copenhagen, Denmark. pp.57 Communication dans un congrès hal-00728460v1
Fermi detected blazars seen by INTEGRAL V. Beckmann,C. Ricci,S. Soldi 2009 Fermi Symposium, Sep 2009, Washington, D.C., United States Communication dans un congrès hal-00656051v1
Long term monitoring of Integral sources with Swift/BAT Gerald Skinner,Jack Tueller,Volker Beckmann,Robin Corbet,Sean Farrellet al. Proceedings of the 7th INTEGRAL Workshop, Sep 2008, Copenhagen, Denmark. pp.130 Communication dans un congrès hal-00728471v1
Compton Reflection in AGN with Simbol-X V. Beckmann,T. J.-L. Courvoisier,N. Gehrels,P. Lubiński,J. Malzacet al. SIMBOL-X: FOCUSING ON THE HARD X-RAY UNIVERSE, Dec 2008, Paris Cedex 13, France. pp.141-144, ⟨10.1063/1.3149396⟩ Communication dans un congrès hal-00728386v1
Integral - Operating High-Energy Detectors for Five Years in Space V. Beckmann 10th ICATPP Conference on Astroparticle, Particle, Space Physics, Detectors and Medical Physics Applications, Oct 2007, Como, Italy. pp.729-738, ⟨10.1142/9789812819093_0121⟩ Communication dans un congrès hal-00728511v1
The Hard X-Ray Luminosity Function of INTEGRAL Detected AGN V. Beckmann,C. R. Shrader,N. Gehrels,S. Soldi,N. Produit VI INTEGRAL Workshop : The Obscured Universe, Jul 2006, Moscow, Russia. pp.173 Communication dans un congrès hal-00728476v1
Population Studies of INTEGRAL Sources A. Bodaghee,T. J.-L. Courvoisier,J. Rodriguez,V. Beckmann,N. Produitet al. The Obscured Universe. Proceedings of the VI INTEGRAL Workshop., Jul 2006, Moscow, Russia. pp.233 Communication dans un congrès hal-00728483v1
The Spreading Layer of GX9+9 421 O. Vilhu,A. Paizis,D. Hannikainen,J. Schultz,V. Beckmann The Obscured Universe. Proceedings of the VI INTEGRAL Workshop. July 2-8, Jul 2006, Moscow, Russia. pp.421 Communication dans un congrès hal-00728496v1

Poster de conférence (1)

Cloud computing for Astroscience applications Cécile Cavet,Michèle Detournay,Volker Beckmann École d’automne du Labex UnivEarthS, Oct 2014, Florence, Italy Poster de conférence hal-01132523v1

Proceedings/Recueil des communications (1)

ITAES Workshop, Brussels September 13th 2005, Proceedings Yann Desjeux,Pierre Dupraz,Francois Bonnieux,David Baldock,Laura Krögeret al. ITAES Workshop, Sep 2005, Bruxelles, Belgium. 42 p., 2006 Proceedings/Recueil des communications hal-02818880v1

Ouvrages (1)

Active Galactic Nuclei Volker Beckmann,Chris R. Shrader Wiley-VCH, pp.382, 2012, 978-3-527-41091-0 Ouvrages hal-00728153v1

Autre publication scientifique (4)

Livre Blanc sur les Données au CNRS État des Lieux et Pratiques Mission Calcul et données (MiCaDo) Denis Veynante,Michel Bidoit,Michel Daydé,Pierre-Etienne Macchi,Denis Girouet al. 2018 Autre publication scientifique hal-02044528v1
Towards a Model for Computing in European Astroparticle Physics T. Berghöfer,I. Agrafioti,B. Allen,V. Beckmann,T. Chiarusiet al. 2015 Autre publication scientifique hal-01576536v1
INTEGRAL observation of flaring activity of Mrk 421 G. G. Lichti,S. Paltani,Marco Ajello,W. Collmar,A. von Kienlinet al. 2006 Autre publication scientifique hal-00109354v1
High state of Mkn 421 in the hard X-rays G. G. Lichti,A. Neronov,N. Mowlavi,Marco Ajello,V. Beckmannet al. 2006 Autre publication scientifique hal-00109351v1

Pré-publication, Document de travail (2)

All-sky Medium Energy Gamma-ray Observatory: Exploring the Extreme Multimessenger Universe Julie Mcenery,Juan Abel Barrio,Ivan Agudo,Marco Ajello,José-Manuel Álvarezet al. 2019 Pré-publication, Document de travail in2p3-02194041v1
Prospects for AGN Studies at Hard X-ray through MeV Energies Eileen Meyer,Justin Finke,George Younes,Filippo d'Ammando,Bindu Raniet al. 2019 Pré-publication, Document de travail hal-02088634v1

Rapport (3)

The Deep and Transient Universe in the SVOM Era: New Challenges and Opportunities - Scientific prospects of the SVOM mission J. Wei,B. Cordier,S. Antier,P. Antilogus,J.-L. Atteiaet al. [Research Report] -. 2016 Rapport (rapport de recherche) hal-01576530v1
PREDON Scientific Data Preservation 2014 Cristinel Diaconu,S. Kraml,Christian Surace,Daniel Chateigner,Thérèse Libourel Rougeet al. [Research Report] LIRMM. 2014, pp.3-61 Rapport (rapport de recherche) in2p3-00959072v1
The Gravitational Universe P. Amaro Seoane,S. Aoudia,H. Audley,G. Auger,S. Babaket al. [Research Report] Leibniz Universität Hannover. 2013 Rapport (rapport de recherche) hal-00829945v1

HDR (1)

Unification of Active Galactic Nuclei at X-rays and soft gamma-rays Volker Beckmann Astrophysics [astro-ph]. Université Paris-Diderot - Paris VII, 2010 HDR tel-00601042v1