'Ns bh' presentation slideshows

1.45k views • 132 slides

Critically assessing Binary mergers as short hard GRBs

684 views • 58 slides

PULSARS & TRANSIENT SOURCES

PULSARS & TRANSIENT SOURCES. Neutron Star Science & Pulsar Surveys Transient sources SKA = prolific, specific modes needed. Pushing the Envelope with SKA Jim Cordes, Cornell 10 July 2001. Why more pulsars?. Extreme Pulsars: P < 1 ms P > 5 sec P orb < hours B > 10 13 G

733 views • 58 slides

Gamma Ray Bursts: a new tool for astrophysics and cosmology?

Gamma Ray Bursts: a new tool for astrophysics and cosmology?. Guido Barbiellini Universit y and INFN Trieste. BeppoSAX Afterglow detection. HST host galaxies images. Outline. Introduction GRB and cosmology The Fireball model The Afterglow External density Iron lines

702 views • 57 slides

High energy n & Gravitational wave detectors: New windows on the universe

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K-GRB2@hanyang

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Cosmological Heavy Ion Collisions: Colliding Neutron Stars and Black Holes

HIM07-12@apctp. Cosmological Heavy Ion Collisions: Colliding Neutron Stars and Black Holes. Chang-Hwan Lee. Comparison. Contents. Gravitational Waves Short Hard Gamma-ray Bursts Current Observations & Prospect. Introduction. EM wave Theory: Maxwell (1873)

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Black holes : Introduction

Black holes : Introduction. NS to BH. The authors studied collapse from NS to BH. Calculations were done for two cases: with and without massive (7%) disc.

420 views • 34 slides

Mass Transfer Processes in the Evolution of Black Hole Binaries

2003.4.12. Chang-Hwan Lee. Mass Transfer Processes in the Evolution of Black Hole Binaries. Black Holes : Ultimate fate of dense matter. Neutron Stars ( < 2 solar mass). Q) How they are formed ?. Stellar Mass Black Holes (5-10 solar mass). Q) Are there intermediate mass BHs ?.

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Compact Binaries

Compact Binaries. Cole Miller, University of Maryland. Outline. Overview of amplitudes and frequencies Neutron stars and black holes Benefits of detection at ~1 Hz The most massive white dwarfs Long lead times for telescopes Nonzero eccentricities?

355 views • 24 slides

Black holes : Introduction

Black holes : Introduction. Main general surveys. astro-ph/0610657 Neven Bilic BH phenomenology astro-ph/0604304 Thomas W. Baumgarte BHs : from speculations to observations hep -ph/0511217 Scott A. Hughes Trust but verify : the case for astrophysical BHs

349 views • 23 slides

Gamma-Ray Bursts Mano-a-Mano

Gamma-Ray Bursts Mano-a-Mano. GRB duration distribution. Long Bursts massive stars. Hardness ratio vs Duration. Short bursts T<2s NS-NS/NS-BH??. 100-300kev / 50-100keV. Duration. Lazzati and Perna. Mazets et al. 1981, Norris et al. 1984, Kouveliotou et al. 1993. Collapsar model: LGRBs.

415 views • 21 slides

Black holes : Introduction

Black holes : Introduction. Main general surveys. astro-ph/0610657 Neven Bilic BH phenomenology astro-ph/0604304 Thomas W. Baumgarte BHs : from speculations to observations hep -ph/0511217 Scott A. Hughes Trust but verify : the case for astrophysical BHs

296 views • 20 slides

In this respect a juicy anecdote

Massive stars, massive close binaries, Wolf-Rayet stars, stellar winds, mass loss in hot stars, stellar wind theories were hot topics during the eighties and many symposia were devoted to this types of research Theories -sometimes controversial- were developed and defended with enthusiasm.

306 views • 19 slides

Possible Connection between ULXs and SXTs

Possible Connection between ULXs and SXTs. Chang-Hwan Lee Seoul National University. 2002.11.29 KIAS. Why do we consider Accretion in NS/BH ? Eddington Luminosity & Mass Accretion Rate Ultraluminous X-ray Sources (ULXs) ULXs from Soft X-ray Transients Conclusion.

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Source working groups

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Discussion of bursts implications for GRB070201

168 views • 6 slides