Gravitational Waves from Binary Black Hole Mergers Inside of Stars - PowerPoint PPT Presentation

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY Gravitational Waves from Binary Black Hole Mergers Inside of Stars Joseph M. Fedrow C.D. Ott, U. Sperhake, R. Haas, J. Blackman, C. Reisswig, and A. De Felice August 3, 2017 Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 1 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY E INSTEIN IN V IETNAM Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 2 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 3 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY The era of gravitational wave astronomy has truly just started! Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 8 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY GW150914 Why was this observation so important? ◮ It is our first direct observation of gravitational waves. ◮ It is our first direct detection of black holes in the Universe. ◮ It has opened a new observational window on the Universe. This was the first time humans observed the Universe through the lens of gravitational waves. Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 9 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY G RAVITATIONAL W AVES Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 10 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY C ONSTRUCTING THE W AVES Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 11 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY C HOOSING THE G AUGE Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 12 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY S YMMETRIES B ECOME O BSERVABLES Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 13 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY D ETECTING G RAVITATIONAL W AVES Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 14 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY D ETECTION : S EPTEMBER 14, 2015! Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 17 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY D ETECTION : S EPTEMBER 14, 2015! The detection relied upon matched filtering of gravitational waveforms from numerical relativity simulations Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 18 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY N UMERICAL R ELATIVITY Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 19 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY T HE ADM EQUATIONS Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 20 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY A LTERNATIVE F ORMULATIONS OF ADM Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 21 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY EINSTEINTOOLKIT . ORG ! ◮ A collection of open-source software components for simulating extreme general-relativistic systems. ◮ Roughly 110 users worldwide, spread across over 50 groups, with about 10 active maintainers. ◮ Built upon the Cactus framework and you choose which ’thorns’ you need to achieve the science goals you are after. arXiv:1305.5299 arXiv:1111.3344 Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 22 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY EINSTEINTOOLKIT . ORG Once you have the Einstein Toolkit configured for your simulation, you can relax on the beach while the supercomputers do all the hard work! Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 23 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY T HE MRI2 ( ZWICKY ) C LUSTER AT C ALTECH Specially configured for simulating black holes and other extreme spacetimes ◮ 2244 Intel X5650 compute cores plus 320 Intel E5-2670 cores ◮ Uses the Torque batch system for processing jobs Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 24 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY S TAMPEDE AT U NIVERSITY OF T EXAS Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 25 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY S TAMPEDE AT U NIVERSITY OF T EXAS Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 26 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY S TAMPEDE AT U NIVERSITY OF T EXAS ◮ ∼ 10 Petaflops ( ∼ 10 quadrillion calculations per second) ◮ 6400 Dell C8220 compute nodes ◮ Each node has two Intel E5 8-core processors ◮ Uses the SLURM batch system for processing jobs Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 27 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY D ETECTION : S EPTEMBER 14, 2015! Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 28 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY GW150914 EM COUNTERPART ? Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 30 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY B INARY B LACK H OLE S IMULATIONS WITH G AS Motivation Investigate the feasibility of Loeb arXiv:1602.04735: Electromagnetic Counterparts to Black Hole Mergers Detected by LIGO ◮ Set up a BBH simulation in vacuum ◮ Extract the waveform ◮ Re-run the simulation with stellar environment level gas ◮ Extract the new waveform ◮ Compare the two What effect, if any, would the presence of accreting matter have on the GW strain we measure? Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 31 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY I N V ACUUM Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 32 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY O RBITAL T RAJECTORY 5 y/M 0 − 5 − 5 0 5 x/M Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 33 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY C OORDINATE S EPARATION Vacuum 1.0 Coordinate Separation [ 10 8 cm] 0.8 0.6 0.4 0.2 0.0 0.1 0.2 0.3 0.4 Time [ s ] Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 34 / 47

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY G RAVITATIONAL W AVE S TRAIN : Scaled to 60 M ⊙ 0.5 + [ 10 − 21 ] 0.0 h 22 − 0.5 Vacuum − 0.4 − 0.3 − 0.2 − 0.1 0.0 Time [ s ] Joseph M. Fedrow GWs from BBH Mergers Inside of Stars August 3, 2017 35 / 47

Gravitational Waves from Binary Black Hole Mergers Inside of Stars - PowerPoint PPT Presentation

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY Gravitational Waves from Binary Black Hole Mergers Inside of Stars Joseph M. Fedrow C.D. Ott, U. Sperhake, R. Haas, J. Blackman, C. Reisswig,

Observation of Gravitational Waves from a Binary Black Hole Merger In LIGO Hanford and Livingston

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Gamma-Ray Bursts: 3. Short GRBs Brian Metzger, Columbia University Binary Neutron Star Mergers

Status of the search for Gravitational Waves Gravitational waves Detection of GWs

Hamiltonian Hydrodynamics & Irrotational Binary Inspiral Charalampos M. Markakis

On approximation processes defined by the cosine operator function in a Banach space Andi

BBM 413 Fundamentals of Image Processing Erkut Erdem Dept. of Computer Engineering

= + ( ) cos( ), x t A t t Chapter 4 Chapter 4 k k k = 1 k

Why is domain-wall fermion mathematically interesting? Hidenori Fukaya (Osaka U.) HF,. T Onogi,

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( ) Isovector & Spin excitation Gamow-Teller transition Mediated by

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Gravitational Waves from Binary Black Hole Mergers Inside of Stars - PowerPoint PPT Presentation

I NTRODUCTION G RAVITATIONAL W AVES N UMERICAL R ELATIVITY B INARY B LACK H OLES I N S TARS S UMMARY Gravitational Waves from Binary Black Hole Mergers Inside of Stars Joseph M. Fedrow C.D. Ott, U. Sperhake, R. Haas, J. Blackman, C. Reisswig,

Observation of Gravitational Waves from a Binary Black Hole Merger In LIGO Hanford and Livingston

Binary Black Hole Mergers in the first Advanced LIGO Observing Run Alex Nielsen Max Planck

The Quest for Gravitational Waves 26/2/2016 B.A. Boom &amp; L. van der Schaaf - Nikhef

Ian Harry Why were excited by compact binary mergers Short introduction to gravitational

SpECTRE: Toward simulations of binary black hole mergers using Charm++ Franc ois H ebert @

Black-hole collisions and gravitational waves U. Sperhake CSIC-IEEC Barcelona California

Binary Black Holes from Globular Clusters as sources of gravitational waves Dorota

Binary Black Hole Coalescence in Galaxy Mergers Steinn Sigurdsson Penn State 30 Oct 02 CGWP

GRAVITATIONAL WAVES and BINARY BLACK HOLES Thibault Damour Institut des Hautes

Gravitational waves from a spinning particle orbiting a Kerr black hole Ryuichi Fujita (

Gravitational radiation from a binary black hole coalescence in Einstein-scalar-Gauss-Bonnet

GRAVITATIONAL RECOIL OF BINARY BLACK HOLES Luc Blanchet Gravitation et Cosmologie ( G R C O )

Black hole collisions and gravitational waves U. Sperhake CSIC-IEEC Barcelona California

Gamma-Ray Bursts: 3. Short GRBs Brian Metzger, Columbia University Binary Neutron Star Mergers

Status of the search for Gravitational Waves Gravitational waves Detection of GWs

Hamiltonian Hydrodynamics &amp; Irrotational Binary Inspiral Charalampos M. Markakis

On approximation processes defined by the cosine operator function in a Banach space Andi

BBM 413 Fundamentals of Image Processing Erkut Erdem Dept. of Computer Engineering

= + ( ) cos( ), x t A t t Chapter 4 Chapter 4 k k k = 1 k

Why is domain-wall fermion mathematically interesting? Hidenori Fukaya (Osaka U.) HF,. T Onogi,

Machine Learning for Signal Processing Regression and Prediction Class 16. 29 Oct 2015

( ) Isovector &amp; Spin excitation Gamow-Teller transition Mediated by

NA62 Charged Particle Hodoscope Design and performance in 2016 S. Kholodenko on behalf of NA62

ArgonCube Status LBNC Meeting, CERN Cubism - Braques Bottle and Fishes, Paris c.1910-12

The Quest for Gravitational Waves 26/2/2016 B.A. Boom & L. van der Schaaf - Nikhef

Hamiltonian Hydrodynamics & Irrotational Binary Inspiral Charalampos M. Markakis

( ) Isovector & Spin excitation Gamow-Teller transition Mediated by