JILA Science Publications

Displaying 101 - 200 of 315

2009

A Flare for Acceleration
Mitchell Begelman, Science 325, 399-400 (2009).
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Angular Momentum Transfer and Lack of Fragmentation in Self-Gravitating Accretion Flows
Mitchell Begelman, Isaac Shlosman, The Astrophysical Journal 702, L5 - L8 (2009).
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Polarization Signature of Gamma-Ray Bursts from Fragmented Fireballs
D. Lazzati, Mitchell Begelman, The Astrophysical Journal 700, L141 - L144 (2009).
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Very High Efficiency Photospheric Emission in Long-Duration γ-Ray Bursts
D. Lazzati, B. Morsony, Mitchell Begelman, The Astrophysical Journal 700, L47 - L50 (2009).
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Fast TeV variability in blazars: jets in a jet
D. Giannios, Dmitri Uzdensky, Mitchell Begelman, Monthly Notices of the Royal Astronomical Society: Letters 395, L29 - L33 (2009).
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Massive black hole binary mergers within subparsec scale gas discs
J. Cuadra, Phillip Armitage, R. Alexander, Mitchell Begelman, Monthly Notices of the Royal Astronomical Society 393, 1423-1432 (2009).
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Delayed X-ray emission from fallback in compact-object mergers
E. Rossi, Mitchell Begelman, Monthly Notices of the Royal Astronomical Society 392, 1451-1455 (2009).
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Modelling the broad-band spectra of X-ray emitting GPS galaxies
L. Ostorero, R. Moderski, Lukasz Stawarz, Mitchell Begelman, A. Diaferio, I. Kowalska, J. Kataoka, S. Wagner, Astronomische Nachrichten 330, 275-278 (2009).
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AIP Conference Proceedings: Polarimetry and the High-Energy Emission Mechanisms in Quasar Jets
M. Cara, E. Perlman, Y. Uchiyama, S. Jester, M. Georganopoulos, C. Cheung, R. Sambruna, W. Sparks, A. Martel, C. O'Dea, S. Baum, D. Axon, Mitchell Begelman, Diana Worrall, M. Birkinshaw, C. Urry, P. Coppi, Lukasz Stawarz, S. Heinz, Eric Wilcots, AIP , 162-165 (2009).
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2008

Cosmic ray confinement in fossil cluster bubbles
M. Ruszkowski, T. Enßlin, M. Brüggen, Mitchell Begelman, E. Churazov, Monthly Notices of the Royal Astronomical Society 383, 1359-1365 (2008).
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Quasi-stars: accreting black holes inside massive envelopes
Mitchell Begelman, E. Rossi, Phillip Armitage, Monthly Notices of the Royal Astronomical Society 387, 1649-1659 (2008).
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Evolution of and High-Energy Emission from GHz-Peaked Spectrum Sources
Lukasz Stawarz, L. Ostorero, Mitchell Begelman, R. Moderski, J. Kataoka, S. Wagner, The Astrophysical Journal 680, 911-925 (2008).
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Hot Self-Similar Relativistic Magnetohydrodynamic Flows
Nadia Zakamska, Mitchell Begelman, R. Blandford, The Astrophysical Journal 679, 990-999 (2008).
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Implications of very rapid TeV variability in blazars
Mitchell Begelman, A. Fabian, M. Rees, Monthly Notices of the Royal Astronomical Society: Letters 384, L19 - L23 (2008).
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Self-Gravitating Fragmentation of Eccentric Accretion Disks
R. Alexander, Phillip Armitage, J. Cuadra, Mitchell Begelman, The Astrophysical Journal 674, 927-935 (2008).
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Did Supermassive Black Holes Form by Direct Collapse?
Mitchell Begelman, Brian O'Shea, Alexander Heger, T. Abel, AIP , (2008).
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2007

Filaments, Bubbles, and Weak Shocks in the Gaseous Atmosphere of M87
W. Forman, C. Jones, E. Churazov, M. Markevitch, P. Nulsen, A. Vikhlinin, Mitchell Begelman, H. Bohringer, J. Eilek, S. Heinz, R. Kraft, F. Owen, M. Pahre, The Astrophysical Journal 665, 1057-1066 (2007).
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Temporal and Angular Properties of Gamma-Ray Burst Jets Emerging from Massive Stars
B. Morsony, D. Lazzati, Mitchell Begelman, The Astrophysical Journal 665, 569-598 (2007).
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Gamma-ray burst jet dynamics and their interaction with the progenitor star
D. Lazzati, B. Morsony, Mitchell Begelman, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 365, 1141-1149 (2007).
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Constraints on the Stellar Mass Function from Stellar Dynamics at the Galactic Center
R. Alexander, Mitchell Begelman, Phillip Armitage, The Astrophysical Journal 654, 907-914 (2007).
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Accretion discs with strong toroidal magnetic fields
Mitchell Begelman, J. Pringle, Monthly Notices of the Royal Astronomical Society 375, 1070-1076 (2007).
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2006

Trapping of Magnetic Flux by the Plunge Region of a Black Hole Accretion Disk
Christopher Reynolds, David Garofalo, Mitchell Begelman, The Astrophysical Journal 651, 1023-1030 (2006).
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The physics of GRB jets and their interaction with the progenitor star
D. Lazzati, B. Morsony, Mitchell Begelman, Il Nuovo Cimento B 121, 1177-1182 (2006).
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Formation of supermassive black holes by direct collapse in pre-galactic haloes
Mitchell Begelman, M. Volonteri, M. Rees, Monthly Notices of the Royal Astronomical Society 370, 289-298 (2006).
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The nature of SS433 and the ultraluminous X-ray sources
Mitchell Begelman, A. King, J. Pringle, Monthly Notices of the Royal Astronomical Society 370, 399-404 (2006).
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Photon Bubbles and the Vertical Structure of Accretion Disks
Mitchell Begelman, The Astrophysical Journal 643, 1065-1080 (2006).
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Thick Fireballs and the Steep Decay in the Early X-Ray Afterglow of Gamma-Ray Bursts
D. Lazzati, Mitchell Begelman, The Astrophysical Journal 641, 972-977 (2006).
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Nonlinear Photon Bubbles Driven by Buoyancy
Mitchell Begelman, The Astrophysical Journal 636, 995-1001 (2006).
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Long Gamma-Ray Bursts as standard candles
Mitchell Begelman, B. Morsony, C. Firmani, D. Lazzati, G. Ghirlanda, G. Ghisellini, L. Nava, AIP 836, 513-521 (2006).
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2005

Are Quasar Jets Dominated by Poynting Flux?
Marek Sikora, Mitchell Begelman, G. Madejski, Jean-Pierre Lasota, The Astrophysical Journal 625, 72-77 (2005).
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Cyclotron Maser Emission from Blazar Jets?
Mitchell Begelman, Robert Ergun, M. Rees, The Astrophysical Journal 625, 51-59 (2005).
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The Effects of Photon Bubble Instability in Radiation-dominated Accretion Disks
N. Turner, Omer Blaes, A. Socrates, Mitchell Begelman, S. Davis, The Astrophysical Journal 624, 267-288 (2005).
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Constraining the Structure of Gamma-Ray Burst Jets through the log N -log S Distribution
D. Guetta, Jonathan Granot, Mitchell Begelman, The Astrophysical Journal 622, 482-491 (2005).
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Are Quasar Jets Matter or Poynting Flux Dominated?
Marek Sikora, G. Madejski, Jean-Pierre Lasota, Mitchell Begelman, AIP 801, 165-172 (2005).
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GRB jets inside and outside the star: precursors and cosmological implications
D. Lazzati, Mitchell Begelman, G. Ghirlanda, G. Ghisellini, C. Firmani, unknown , (2005).
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2004

Entropy "Floor" and Effervescent Heating of Intracluster Gas
S. Roychowdhury, M. Ruszkowski, B. Nath, Mitchell Begelman, The Astrophysical Journal 615, 681-688 (2004).
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Three-Dimensional Simulations of Viscous Dissipation in the Intracluster Medium
M. Ruszkowski, M. Brüggen, Mitchell Begelman, The Astrophysical Journal 615, 675-680 (2004).
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Cluster Heating by Viscous Dissipation of Sound Waves
M. Ruszkowski, M. Brüggen, Mitchell Begelman, The Astrophysical Journal 611, 158-163 (2004).
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Disc outflows and the accretion rate gap
Mitchell Begelman, A. Celotti, Monthly Notices of the Royal Astronomical Society 352, L45 - L48 (2004).
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On Multiwavelength Emission of Large-Scale Quasar Jets
Lukasz Stawarz, Marek Sikora, M. Ostrowski, Mitchell Begelman, The Astrophysical Journal 608, 95-107 (2004).
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On the deep minimum state in the Seyfert galaxy MCG-6-30-15
Christopher Reynolds, J. Wilms, Mitchell Begelman, R. Staubert, E. Kendziorra, Monthly Notices of the Royal Astronomical Society 349, 1153-1166 (2004).
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Two-dimensional adiabatic flows on to a black hole - I. Fluid accretion
R. Blandford, Mitchell Begelman, Monthly Notices of the Royal Astronomical Society 349, 68-86 (2004).
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MHD Simulations of the Collapsar Model for GRBs
D. Proga, A. MacFadyen, Phillip Armitage, Mitchell Begelman, AIP , (2004).
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The broad Fe K-alpha line in MCG - 6-30-15
J. Wilms, Christopher Reynolds, Mitchell Begelman, E. Kendziorra, R. Staubert, J. Reeves, S. Molendi, unknown , (2004).
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2003

Axisymmetric Magnetohydrodynamic Simulations of the Collapsar Model for Gamma-Ray Bursts
D. Proga, A. MacFadyen, Phillip Armitage, Mitchell Begelman, The Astrophysical Journal 599, L5 - L8 (2003).
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Accretion of Low Angular Momentum Material onto Black Holes: Two-dimensional Magnetohydrodynamic Case
D. Proga, Mitchell Begelman, The Astrophysical Journal 592, 767-781 (2003).
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Evidence for Black Holes
Mitchell Begelman, Science 300, 1898-1903 (2003).
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Galaxy Formation in Triaxial Halos: Black Hole-Bulge-Dark Halo Correlation
Amr El-Zant, Isaac Shlosman, Mitchell Begelman, Juhan Frank, The Astrophysical Journal 590, 641-653 (2003).
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Eddington Limit and Radiative Transfer in Highly Inhomogeneous Atmospheres
M. Ruszkowski, Mitchell Begelman, The Astrophysical Journal 586, 384-388 (2003).
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AGN feedback mechanisms
Mitchell Begelman, unknown , (2003).
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Everything you always wanted to know about AGN ... but were afraid to ask
Mitchell Begelman, Active Galactic Nuclei: from Central Engine to Host Galaxy 290, 23 (2003).
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2002

HST imaging of nearby CSOs: obscuration and nuclear structures
E. Perlman, John Stocke, John Conway, Christopher Reynolds, Mitchell Begelman, New Astronomy Reviews 46, 279-282 (2002).
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Heating, Conduction, and Minimum Temperatures in Cooling Flows
M. Ruszkowski, Mitchell Begelman, The Astrophysical Journal 581, 223-228 (2002).
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Circular Polarization from Stochastic Synchrotron Sources
M. Ruszkowski, Mitchell Begelman, The Astrophysical Journal 573, 485-495 (2002).
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Hiding in Plain Sight: Chandra Observations of the Quiescent Neutron Star 4U 2129+47 in Eclipse
M. Nowak, S. Heinz, Mitchell Begelman, The Astrophysical Journal 573, 778-788 (2002).
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The hydrodynamics of dead radio galaxies
Christopher Reynolds, S. Heinz, Mitchell Begelman, Monthly Notices of the Royal Astronomical Society 332, 271-282 (2002).
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Chandra/ ACIS-S Observations of Abell 4059: Signs of Dramatic Interaction between a Radio Galaxy and a Galaxy Cluster
S. Heinz, Yun-Young Choi, Christopher Reynolds, Mitchell Begelman, The Astrophysical Journal 569, L79 - L82 (2002).
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Super-Eddington Fluxes from Thin Accretion Disks?
Mitchell Begelman, The Astrophysical Journal 568, L97 - L100 (2002).
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2001

XMM -EPIC observation of MCG-6-30-15: direct evidence for the extraction of energy from a spinning black hole?
J. Wilms, Christopher Reynolds, Mitchell Begelman, J. Reeves, S. Molendi, R. Staubert, E. Kendziorra, Monthly Notices of the Royal Astronomical Society 328, L27 - L31 (2001).
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Turn Right at Orion: Travels Through the Cosmos
Mitchell Begelman, , 256 (2001).
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Impact of Active Galactic Nuclei on the Surrounding Medium
Mitchell Begelman, Astronomical Society of the Pacific 240, 363 (2001).
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Erratum: Modeling the Production of Flares in Gamma-Ray Quasars
Marek Sikora, M. Blazejowski, Mitchell Begelman, R. Moderski, The Astrophysical Journal 561, 1154-1154 (2001).
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Modeling the Production of Flares in Gamma-Ray Quasars
Marek Sikora, M. Blazejowski, Mitchell Begelman, R. Moderski, The Astrophysical Journal 554, 1-11 (2001).
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Super-Eddington Atmospheres That Do Not Blow Away
Mitchell Begelman, The Astrophysical Journal 551, 897-906 (2001).
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A good long look at the black hole candidates LMC X-1 and LMC X-3
M. Nowak, J. Wilms, W. Heindl, Katja Pottschmidt, J. Dove, Mitchell Begelman, Monthly Notices of the Royal Astronomical Society 320, 316-326 (2001).
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Discovery of recurring soft-to-hard state transitions in LMC X-3
J. Wilms, M. Nowak, Katja Pottschmidt, W. Heindl, J. Dove, Mitchell Begelman, Monthly Notices of the Royal Astronomical Society 320, 327-340 (2001).
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Are Black Holes Fussy Eaters?
Mitchell Begelman, Jaime Zamorano, Javier Gorgas, Jes\ Gallego, , 177-184 (2001).
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Outbursts from Supermassive Black Holes: Shocks, Bubbles, and Filaments Around M87
W. Forman, Mitchell Begelman, et. al, , 80-86 (2001).
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Overview: Black Holes in the Universe
Mitchell Begelman, Lex Kaper, Edward van den Heuvel, Patrick Woudt, , 16-24 (2001).
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RXTE Monitoring of LMC X-3
Jöern Wilms, Mitchell Begelman, et. al, , 131-132 (2001).
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Shocks and Sonic Booms in the Intracluster Medium: X-Ray Shells and Radio Galaxy Activity
Christopher Reynolds, S. Heinz, Mitchell Begelman, The Astrophysical Journal 549, L179 - L182 (2001).
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2000

The Evolutionary Status of SS 433
A. King, Ronald Taam, Mitchell Begelman, The Astrophysical Journal 530, L25 - L28 (2000).
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AGN, QSOs, and jets
Mitchell Begelman, L. Maraschi, Nuclear Physics B - Proceedings Supplements 80, 203-206 (2000).
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Jet Acceleration by Tangled Magnetic Fields
S. Heinz, Mitchell Begelman, The Astrophysical Journal 535, 104-117 (2000).
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Multi-epoch Global+VSOP/HALCA observations of Virgo A at lambda6cm
W. Junor, J. Biretta, F. Owen, Mitchell Begelman, unknown , (2000).
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1999

Rossi X-Ray Timing Explorer Observation of Cygnus X-1. II. Timing Analysis
M. Nowak, B. Vaughan, J. Wilms, J. Dove, Mitchell Begelman, The Astrophysical Journal 510, 874-891 (1999).
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The synchrotron emission from the M87 jet
Sebastian Heinz, Mitchell Begelman, Hermann-Josef Röser, Klaus Meisenheimer, 530, 229-234 (1999).
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Theory of the M87 jet
Geoffrey Bicknell, Mitchell Begelman, Hermann-Josef Röser, Klaus Meisenheimer, 530, 235-245 (1999).
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Hydrodynamical non-radiative accretion flows in two dimensions
J. Stone, J. Pringle, Mitchell Begelman, Monthly Notices of the Royal Astronomical Society 310, 1002-1016 (1999).
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RXTE observation of Cygnus X-1: Spectral analysis
J. Dove, J. Wilms, M. Nowak, B. Vaughan, Mitchell Begelman, Nuclear Physics B - Proceedings Supplements 69, 308-311 (1999).
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A Rossi X-Ray Timing Explorer Study of M87 and the Core of the Virgo Cluster
Christopher Reynolds, S. Heinz, A. Fabian, Mitchell Begelman, The Astrophysical Journal 521, 99-102 (1999).
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Hubble Space Telescope Observations of the Broad Absorption Line QuasarPG 0946+301
N. Arav, K. Korista, M. de Kool, V. Junkkarinen, Mitchell Begelman, The Astrophysical Journal 516, 27-46 (1999).
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Rossi X-Ray Timing Explorer Observation of Cygnus X-1. III. Implications for Compton Corona and Advection-dominated Accretion Flow Models
M. Nowak, J. Wilms, B. Vaughan, J. Dove, Mitchell Begelman, The Astrophysical Journal 515, 726-737 (1999).
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X-Ray Iron Line Reverberation from Black Hole Accretion Disks
Christopher Reynolds, Aaron Young, Mitchell Begelman, A. Fabian, The Astrophysical Journal 514, 164-179 (1999).
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A Model for the Moving "Wisps" in the Crab Nebula
Mitchell Begelman, The Astrophysical Journal 512, 755-760 (1999).
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On the fate of gas accreting at a low rate on to a black hole
R. Blandford, Mitchell Begelman, Monthly Notices of the Royal Astronomical Society 303, L1 - L5 (1999).
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A Shotgun Model for Gamma-Ray Bursts
S. Heinz, Mitchell Begelman, The Astrophysical Journal 527, L35 - L38 (1999).
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Accretion onto black holes: An overview
Mitchell Begelman, unknown , (1999).
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Radiatively Driven Outflows and Avoidance of Common-Envelope Evolution in Close Binaries
A. King, Mitchell Begelman, The Astrophysical Journal 519, L169 - L171 (1999).
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1998

Instability of Toroidal Magnetic Field in Jets and Plerions
Mitchell Begelman, The Astrophysical Journal 493, 291-300 (1998).
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A Critical Analysis of Ideal Magnetohydrodynamic Models for Crab-like Pulsar Winds
T. Chiueh, Zhi-Yun Li, Mitchell Begelman, The Astrophysical Journal 505, 835-843 (1998).
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Radiation-driven Warping. II. Nonisothermal Disks
P. Maloney, Mitchell Begelman, M. Nowak, The Astrophysical Journal 504, 77-92 (1998).
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X-Ray Signatures of Evolving Radio Galaxies
S. Heinz, Christopher Reynolds, Mitchell Begelman, The Astrophysical Journal 501, 126-136 (1998).
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Black holes, jets, and accretion disks
Mitchell Begelman, unknown , (1998).
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Relativistic diskoseismology: Search for a definitive black hole signature
R. Wagoner, D. Lehr, A. Silbergleit, M. Nowak, Mitchell Begelman, unknown , (1998).
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1997

The 67 Hz Feature in the Black Hole Candidate GRS 1915+105 as a Possible "Diskoseismic" Mode
M. Nowak, R. Wagoner, Mitchell Begelman, D. Lehr, The Astrophysical Journal 477, L91 - L94 (1997).
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A well-fed black hole
Mitchell Begelman, Joss Bland-Hawthorn, Nature 385, 22-23 (1997).
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Radio to γ-ray observations of 3C 454.3:1993-1995
M. Aller, A. Marscher, R. Hartman, H. Aller, M. Aller, T. Balonek, Mitchell Begelman, M. Chiaberge, S. Clements, W. Collmar, G. De Francesco, W. Gear, M. Georganopoulos, G. Ghisellini, I. Glass, J. González-Pérez, P. Heinämäki, M. Herter, E. Hooper, P. Hughes, W. Johnson, S. Katajainen, M. Kidger, A. Kraus, L. Lanteri, G. Lawrence, G. Lichti, Y. Lin, G. Madejski, K. McNaron-Brown, E. Moore, R. Mukherjee, A. Nair, K. Nilsson, A. Peila, D. Pierkowski, M. Pohl, T. Pursimo, C. Raiteri, W. Reich, E. Robson, A. Sillanpää, Marek Sikora, A. Smith, H. Steppe, J. Stevens, L. Takalo, H. Teräsranta, M. Tornikoski, E. Valtaoja, C. von Montigny, M. Villata, S. Wagner, R. Wichmann, A. Witzel, unknown , 1423-1427 (1997).
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Analysis of the Synchrotron Emission from the M87 Jet
S. Heinz, Mitchell Begelman, The Astrophysical Journal 490, 653-663 (1997).
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Iron Fluorescence from within the Innermost Stable Orbit of Black Hole Accretion Disks
Christopher Reynolds, Mitchell Begelman, The Astrophysical Journal 488, 109-118 (1997).
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