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BEGIN:VEVENT
SUMMARY:Leïla Haegel (University of Paris)
DTSTART:20211115T160000Z
DTEND:20211115T165000Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/1
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 1/">Probes of new physics during gravitational waves propagation - Leila H
 aegel</a>\nby Leïla Haegel (University of Paris) as part of CMO-Detection
  and Analysis of Gravitational Waves in the era of Multi-Messenger Astrono
 my\n\n\nAbstract\nThe direct detection of gravitational waves opened an un
 precedented channel to probe fundamental physics. Proposed extensions of o
 ur current theories predict a dispersion of the gravitational waves during
  their propagation\, distorting the signals observed by ground-based inter
 ferometers compared to their predictions from general relativity.  In this
  talk\, I present several analysis probing different alternative theories 
 of gravitation. Using the multimessenger events consisting of gravitationa
 l waves and their electromagnetic counterpart\, extra dimensions and scala
 r-tensor theories are constrained from the comparison of the luminosity di
 stance inferred independently from both signals. Relying only on gravitati
 onal wave signals\, a large class of proposed theories (e.g. massive gravi
 ty) predict a frequency-dependent dispersion of the gravitational waves br
 eaking local CPT and/or Lorentz symmetry. Constraints on the corresponding
  effective field theories coefficients are obtained from the analysis of 3
 1 events from the second LIGO-Virgo detections catalog.\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/1/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Michael Coughlin (University of Minnesota)
DTSTART:20211115T165000Z
DTEND:20211115T174000Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/2
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 2/">Inference as a service for gravitational-wave astronomy</a>\nby Michae
 l Coughlin (University of Minnesota) as part of CMO-Detection and Analysis
  of Gravitational Waves in the era of Multi-Messenger Astronomy\n\n\nAbstr
 act\nWe present a novel paradigm for the deployment of computing infrastru
 cture for the low-latency analyses of gravitational wave (GW) data. Here\,
  we specifically discuss two deep-learning algorithms\, 'DeepClean' and 'B
 BHNet'\, which are used for GW data denoising and compact binary source id
 entification respectively. Using “replayed” streams of the GW data of 
 LIGO Hanford and Livingston from their third observing run\, we demonstrat
 e the subtraction of stationary and non-stationary noise sources followed 
 by identification of candidates for the astrophysical transient detections
  at low latency. Depending on the computing platform used\, we show that i
 t is possible to achieve these at latencies of ~ a few hundreds of millise
 conds to a few seconds. Real-time delivery of gravitational-wave alerts is
  important for enabling rapid multi-messenger follow-up\, especially to ca
 pture short-lived electromagnetic counterparts. Additionally\, our impleme
 ntation offers seamless incorporation of hardware accelerators and enables
  the use of as-a-service computing\, which would be capable of meeting the
  future needs of gravitational-wave data analysis.\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/2/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Massimiliano Razzano (University of Pisa)
DTSTART:20211115T181000Z
DTEND:20211115T190000Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/3
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 3/">Deep learning methods to investigate noise features in gravitational w
 ave detectors</a>\nby Massimiliano Razzano (University of Pisa) as part of
  CMO-Detection and Analysis of Gravitational Waves in the era of Multi-Mes
 senger Astronomy\n\n\nAbstract\nGravitational waves have opened a new wind
 ow on the Universe and paved the way to multimessenger astronomy. Advanced
  LIGO and Advanced Virgo interferometers are probing an increasingly large
 r volume of space\, discovering more and more signals produced by the coal
 escence of compact binary systems. Characterizing these detectors and thei
 r noise is crucial to optimize the sensitivity. In particular\, glitches a
 re transient noise events impacting the data quality\, and their detection
  and classification is very important to improve the performance of the in
 terferometers. Deep learning techniques are a promising approach to recogn
 ize and classify glitches and to study noise in general. We will present h
 ow machine learning can help in investigating the time-frequency evolution
  of glitches and thus contribute to the low-latency characterization of gr
 avitational wave detectors.\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/3/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Adam Coogan (Université de Montréal and Mila)
DTSTART:20211115T190000Z
DTEND:20211115T195000Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/4
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 4/">Observing and characterizing the dark matter environments of black hol
 e binaries with gravitational waves</a>\nby Adam Coogan (Université de Mo
 ntréal and Mila) as part of CMO-Detection and Analysis of Gravitational W
 aves in the era of Multi-Messenger Astronomy\n\n\nAbstract\nGravitational 
 wave measurements provide a new opportunity to determine whether dark matt
 er is truly a cold\, collisionless particle. Intermediate mass-ratio inspi
 rals (IMRIs) embedded in dark matter halos are particularly promising targ
 ets. These IMRIs can compress their dark halos to extreme densities as the
 y form\, leading to distinctive gravitational wave signals. In this talk I
  will show that future interferometers could observe and characterize thes
 e "dark dress" systems over large swaths of their parameter space. After e
 xplaining their waveform modeling\, I will map out which dark dresses coul
 d be detected\, distinguished from astrophysical IMRIs and accurately meas
 ured.\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/4/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Sydney Otten (Radboud University & University of Amsterdam)
DTSTART:20211115T220000Z
DTEND:20211115T224500Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/5
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 5/">(Conference Room San Felipe and Zoom)</a>\nby Sydney Otten (Radboud Un
 iversity & University of Amsterdam) as part of CMO-Detection and Analysis 
 of Gravitational Waves in the era of Multi-Messenger Astronomy\n\nAbstract
 : TBA\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/5/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Ryan Quitzow-James (Missouri University of Science and Technology)
DTSTART:20211115T224500Z
DTEND:20211115T233000Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/6
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 6/">Estimating glitch contaminated gravitational-wave signals using artifi
 cial neural networks with NNETFIX</a>\nby Ryan Quitzow-James (Missouri Uni
 versity of Science and Technology) as part of CMO-Detection and Analysis o
 f Gravitational Waves in the era of Multi-Messenger Astronomy\n\n\nAbstrac
 t\nInstrumental and environmental transient noise bursts in gravitational-
 wave detectors\, or glitches\, may impair astrophysical observations by ad
 versely affecting the sky localization and the parameter estimation of gra
 vitational-wave signals. Denoising of detector data is especially relevant
  during low-latency operations because electromagnetic follow-up of candid
 ate detections requires accurate\, rapid sky localization and inference of
  astrophysical sources. NNETFIX is a machine learning-based algorithm desi
 gned to remove glitches detected in coincidence with transient gravitation
 al-wave signals. NNETFIX uses artificial neural networks to estimate the p
 ortion of the data lost due to the presence of the glitch\, which allows t
 he recalculation of the sky localization of the astrophysical signal. The 
 sky localization of the denoised signal may be significantly more accurate
  than the sky localization obtained from the original data or by excising 
 the portion of the data impacted by the glitch. We test NNETFIX in simulat
 ed scenarios of binary black hole coalescence signals and discuss the pote
 ntial for its use in future low-latency LIGO-Virgo-KAGRA searches.\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/6/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Gianfranco Bertone (University of Amsterdam)
DTSTART:20211116T160000Z
DTEND:20211116T165000Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/7
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 7/">Dark matter\, black holes\, and gravitational waves</a>\nby Gianfranco
  Bertone (University of Amsterdam) as part of CMO-Detection and Analysis o
 f Gravitational Waves in the era of Multi-Messenger Astronomy\n\n\nAbstrac
 t\nThe interplay between dark matter and black holes remains largely unexp
 lored. Dark matter can in principle be *made of* black holes\, as long as 
 these are primordial\, i.e. they are formed in the very early universe. Da
 rk matter can also accumulate *around* black holes\, be them astrophysical
  or primordial\, and modify the rich phenomenology  exhibited by these obj
 ects. After a brief overview of the status of dark matter searches\,  I wi
 ll discuss the prospects for detecting primordial black holes\, or robustl
 y ruling them  out as dark matter candidates. I will then discuss the pros
 pects for characterizing and identifying dark matter using gravitational w
 aves\, covering a wide range of dark matter candidate types and signals.\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/7/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Gabriele Vajente (California Institute of Technology)
DTSTART:20211116T165000Z
DTEND:20211116T174000Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/8
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 8/">Machine Learning and Gravitational Wave Detectors</a>\nby Gabriele Vaj
 ente (California Institute of Technology) as part of CMO-Detection and Ana
 lysis of Gravitational Waves in the era of Multi-Messenger Astronomy\n\n\n
 Abstract\nThe use of machine learning techniques in the analysis of the da
 ta produced by gravitational wave detectors is a very active field of rese
 arch\, with many promising results. In this talk however\, I will discuss 
 how machine learning could also be applied to the instrument science side 
 of gravitational wave detectors\, to improve the sensitivity with noise su
 btraction or to improve the detector robustness with advanced control syst
 ems. This is a less mature field of research\, and results are only recent
 ly starting to appear.\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/8/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Pablo Cerdá-Durán (niversidad de Valencia)
DTSTART:20211116T181000Z
DTEND:20211116T190000Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/9
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 9/">(Conference Room San Felipe and Zoom)</a>\nby Pablo Cerdá-Durán (niv
 ersidad de Valencia) as part of CMO-Detection and Analysis of Gravitationa
 l Waves in the era of Multi-Messenger Astronomy\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/9/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Pablo Laguna (University of Texas at Austin)
DTSTART:20211116T190000Z
DTEND:20211116T195000Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/10
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 10/">Black Hole - Neutron Star Binary Mergers: The Imprint of Tidal Debris
 </a>\nby Pablo Laguna (University of Texas at Austin) as part of CMO-Detec
 tion and Analysis of Gravitational Waves in the era of Multi-Messenger Ast
 ronomy\n\n\nAbstract\nDistinguishing black hole – neutron star binaries 
 from binary black holes mergers for high mass ratios could be challenging 
 because the neutron star coalesces with the black hole without experiencin
 g significant disruption. To investigate the transition of the behavior of
  a mixed binary merger into one like a black hole binary\, we present resu
 lts from a series of merger simulations for different mass ratios. We show
  how the degree of disruption of the neutron star impacts the inspiral and
  merger dynamics\, the properties of the final black hole\, the accretion 
 disk formed from the circularization of the tidal debris\, the gravitation
 al waves\, and the strain spectrum and mismatches. The simulations use ini
 tial data constructed with a method that generalizes the Bowen-York initia
 l data for black hole punctures to the case of neutron stars.\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/10/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Vasileios Skliris (Cardiff University))
DTSTART:20211116T220000Z
DTEND:20211116T224500Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/11
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 11/">Real-Time Detection of Unmodeled Gravitational-Wave Transients Using 
 Convolutional Neural Networks</a>\nby Vasileios Skliris (Cardiff Universit
 y)) as part of CMO-Detection and Analysis of Gravitational Waves in the er
 a of Multi-Messenger Astronomy\n\n\nAbstract\nConvolutional Neural Network
 s (CNNs) have demonstrated potential for the real-time analysis of data fr
 om gravitational-wave detector networks for the specific case of signals f
 rom coalescing compact-object binaries such as black-hole binaries. Unfort
 unately\, training these CNNs requires a precise model of the target signa
 l\; they are therefore not applicable to a wide class of potential gravita
 tional-wave sources\, such as core-collapse supernovae and long gamma-ray 
 bursts\, where unknown physics or computational limitations prevent the de
 velopment of comprehensive signal models. We demonstrate for the first tim
 e a CNN with the ability to detect generic signals -- those without a prec
 ise model -- with sensitivity across a wide parameter space. Our CNN has a
  novel structure that uses not only the network strain data but also the P
 earson cross-correlation between detectors to distinguish correlated gravi
 tational-wave signals from uncorrelated noise transients. We demonstrate t
 he efficacy of our CNN using data from the second LIGO-Virgo observing run
 . We show that it has sensitivity approaching that of the "gold-standard''
  unmodeled transient searches currently used by LIGO-Virgo\, at extremely 
 low (order of 1 second) latency and using only a fraction of the computing
  power required by existing searches\, allowing our models the possibility
  of true real-time detection of gravitational-wave transients associated w
 ith gamma-ray bursts\, core-collapse supernovae\, and other relativistic a
 strophysical phenomena.\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/11/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Jade Powell (Swinburne University of Technology)
DTSTART:20211116T224500Z
DTEND:20211116T233000Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/12
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 12/">The final core-collapse of pulsational pair instability supernovae</a
 >\nby Jade Powell (Swinburne University of Technology) as part of CMO-Dete
 ction and Analysis of Gravitational Waves in the era of Multi-Messenger As
 tronomy\n\n\nAbstract\nIn this talk I will present 3D core-collapse supern
 ova simulations of massive pop III progenitor stars at the transition to t
 he pulsational pair instability regime. We simulate two progenitor models 
 with initial masses of 85 and 100 solar masses with multiple equations of 
 state. The 85 solar mass progenitor experiences a pair instability pulse c
 oincident with core collapse\, whereas the 100 solar mass progenitor has a
 lready gone through a sequence of four pulses 1\,500 years before collapse
  in which it ejected its hydrogen and helium envelope. The 85 solar mass m
 odels experience shock revival and then delayed collapse to a black hole d
 ue to ongoing accretion. We show the models have strong gravitational wave
  emission in the frequency band of current gravitational wave detectors. W
 e demonstrate how our understanding of the gravitational wave emission can
  aid in the detection of core-collapse supernovae and understanding the pa
 rameters of the astrophysical source.\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/12/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Bernhard Mueller (Monash University)
DTSTART:20211117T160000Z
DTEND:20211117T165000Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/13
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 13/">Magnetic Fields in Core-Collapse Supernovae and their Progenitors</a>
 \nby Bernhard Mueller (Monash University) as part of CMO-Detection and Ana
 lysis of Gravitational Waves in the era of Multi-Messenger Astronomy\n\n\n
 Abstract\nMulti-dimensional simulations of core-collapse supernovae are es
 sential for providing waveforms that can assist the detection and interpre
 tation of gravitational waves from a prospective nearby explosion. An emer
 ging theme in core-collapse supernova modelling is the wider importance of
  magnetic fields. While magnetorotational explosions have long been invest
 igated as a scenario for rare hypernova explosions\, recent simulations su
 ggest that magnetic fields may play an important role in normal explosions
  as well. To better understand the role of magnetic fields both in normal 
 and hyperenergetic explosions\, it is also imperative to revisit the inter
 play of convection\, magnetic fields and rotation during the pre-supernova
  evolution of massive stars. I will discuss progress on 3D magnetohydrodyn
 amic simulations of supernovae and their progenitors\, possible implicatio
 ns for hypernovae and magnetar formation\, and point to open issues in the
  current models\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/13/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Elena Cuoco (European Gravitational Observatory)
DTSTART:20211117T165000Z
DTEND:20211117T174000Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/14
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 14/">Multimodal Analysis of Gravitational Wave Signals and Gamma-Ray Burst
 s from Binary Neutron Star Mergers</a>\nby Elena Cuoco (European Gravitati
 onal Observatory) as part of CMO-Detection and Analysis of Gravitational W
 aves in the era of Multi-Messenger Astronomy\n\n\nAbstract\nA major boost 
 in the understanding of the universe was given by the revelation of the fi
 rst coalescence event of two neutron stars (GW170817)  and the observation
  of the same event across the entire electromagnetic spectrum. With third-
 generation gravitational wave  detectors and the new astronomical faciliti
 es\,  we expect many multi-messenger events of the same type. We anticipat
 e the need to analyse the data provided to us by such events not only to f
 ulfill the requirements of real-time analysis\, but also in order to decip
 her the event in its entirety through the information emitted in the diffe
 rent messengers using machine learning. What we propose is the application
  of a multimodal machine learning approach to characterize these events.\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/14/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Jess McIver (University of British Columbia)
DTSTART:20211117T181000Z
DTEND:20211117T190000Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/15
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 15/">New methods for gravitational-wave data analysis</a>\nby Jess McIver 
 (University of British Columbia) as part of CMO-Detection and Analysis of 
 Gravitational Waves in the era of Multi-Messenger Astronomy\n\n\nAbstract\
 nThe global network of ground-based gravitational wave (GW) detectors is e
 xpected to expand and increase in sensitivity by the middle of this decade
 . Effective characterization and calibration of near-future detectors will
  allow us to explore new physics and astrophysics\, including the origin o
 f detected GW sources and probes of cosmology. I will give an overview of 
 recent efforts at UBC to develop new approaches to characterize the perfor
 mance of current and near-future detectors\, including novel metrics for d
 etector performance and characterization\, new methods for distinguishing 
 between true GW signals and detector noise\, and improved techniques for G
 W signal reconstruction.\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/15/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Deirdre Shoemaker (University of Texas at Austin)
DTSTART:20211117T190000Z
DTEND:20211117T195000Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/16
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 16/">Brave new world of numerical relativity</a>\nby Deirdre Shoemaker (Un
 iversity of Texas at Austin) as part of CMO-Detection and Analysis of Grav
 itational Waves in the era of Multi-Messenger Astronomy\n\n\nAbstract\nAft
 er decades of preparation\, the era of gravitational wave astronomy has be
 gun. The gravitational wave detectors\, LIGO and Virgo\, have published a 
 catalog of 50 events of coalescing compact objects including black holes a
 nd neutron stars. I will present the role that numerical relativity played
  in the unveiling of the gravitational wave sky and anticipate how it migh
 t improve our understanding of gravity as the detectors improve..\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/16/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Ik Siong Heng (University of Glasgow)
DTSTART:20211118T160000Z
DTEND:20211118T165000Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/17
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 17/">Astrophysics with joint analysis of multi-messenger observations</a>\
 nby Ik Siong Heng (University of Glasgow) as part of CMO-Detection and Ana
 lysis of Gravitational Waves in the era of Multi-Messenger Astronomy\n\n\n
 Abstract\nMulti-messenger observations of compact binary coalescences will
  enrich our understanding of the astrophysics behind such sources\, especi
 ally binary neutron star mergers. The joint analysis of gravitational wave
  data in conjunction with electromagnetic observations is a crucial ingred
 ient for multi-messenger astrophysics. This talk will present an overview 
 of multi-messenger astrophysics research at the University of Glasgow\, in
 cluding the analysis of kilonova light curves for joint observations and a
  hierarchical Bayesian analysis\, with a machine learning augmented sample
 r (Nessai)\, for combining gravitational wave and gamma-ray observations t
 o identify plausible models for gamma-ray burst jet structures.\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/17/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Deep Chatterjee (U. Illinois Urbana-Champaign)
DTSTART:20211118T165000Z
DTEND:20211118T174000Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/18
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 18/">Application of machine learning in low-latency counterpart inference 
 from gravitational waves</a>\nby Deep Chatterjee (U. Illinois Urbana-Champ
 aign) as part of CMO-Detection and Analysis of Gravitational Waves in the 
 era of Multi-Messenger Astronomy\n\n\nAbstract\nThe panchromatic observati
 ons of the electromagnetic (EM) counterpart of the binary neutron star (BN
 S) merger\, GW170817\, marked the dawn of multi-messenger EMGW astronomy. 
 But it remains the only success story\, even after the LIGO/Virgo third ob
 serving run\, which reported 56 GW discoveries publicly. This shows that w
 hile we may have reached an era of routine GW astronomy\, the same for EMG
 W astronomy still awaits us. The first step is to develop low-latency data
 -products that aid the follow-up of interesting GW candidates. The low-lat
 ency nature of the problem\, taking into account physically motivated mode
 ls plus un-modeled or poorly understood sources of search biases makes the
  use of data-driven approaches and machine learning particularly suited fo
 r this problem. I will talk about such efforts using machine learning appr
 oaches both from the GW and EM standpoint for near real-time inference of 
 EMGW counterparts.\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/18/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Greg Ashton (Royal Holloway\, University of London)
DTSTART:20211118T180000Z
DTEND:20211118T190000Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/19
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 19/">(Conference Room San Felipe and Zoom)</a>\nby Greg Ashton (Royal Holl
 oway\, University of London) as part of CMO-Detection and Analysis of Grav
 itational Waves in the era of Multi-Messenger Astronomy\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/19/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Javier M. Antelis (Embry-Riddle Aeronautical University)
DTSTART:20211118T190000Z
DTEND:20211118T195000Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/20
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 20/">Reduction of noise events in searches of gravitational wave bursts fr
 om core-collapse supernovae with machine learning</a>\nby Javier M. Anteli
 s (Embry-Riddle Aeronautical University) as part of CMO-Detection and Anal
 ysis of Gravitational Waves in the era of Multi-Messenger Astronomy\n\n\nA
 bstract\nThe search of gravitational waves (GW) from core-collapse superno
 vae (CCSNe) relies on detection algorithms such as coherent WaveBurst (cWB
 ). False alarm rates and statistical significance might be affected by bli
 p and glitch noises embedded in the strain data\, which survive rejection 
 tests. It is of interest then to detect and discard surviving noise events
 . This work presents the use of supervised machine learning (ML) methods\,
  in specific\, Linear Discriminant Analysis and Support Vector Machines\, 
 to recognize between noise and signal events using a set of reconstruction
  parameters from cWB. We tested this ML follow-up method using strain data
  from the O3a run of advanced LIGO\, and CCSNe GW signals extracted from 3
 D simulations. The ML model is learned using a dataset of noise and signal
  events extracted from a given on-source window\, and then it is used to i
 dentify and discard noise events in cWB analyses in different on-source wi
 ndows. Noise and signal reduction levels were assessed in single detector 
 networks (L1 and H1) and two detector networks (L1H1). The results showed 
 an effective enhancement of the statistical significance of cWB-based sear
 ches of GWs from CCSNe.\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/20/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Christopher Messenger (Glasgow University)
DTSTART:20211118T220000Z
DTEND:20211118T224500Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/21
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 21/">(Conference Room San Felipe and Zoom)</a>\nby Christopher Messenger (
 Glasgow University) as part of CMO-Detection and Analysis of Gravitational
  Waves in the era of Multi-Messenger Astronomy\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/21/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Kendall Ackley (University of Warwick)
DTSTART:20211118T224500Z
DTEND:20211118T233000Z
DTSTAMP:20260422T185530Z
UID:CMO-21w5066/22
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMO-21w5066/
 22/">(Conference Room San Felipe and Zoom)</a>\nby Kendall Ackley (Univers
 ity of Warwick) as part of CMO-Detection and Analysis of Gravitational Wav
 es in the era of Multi-Messenger Astronomy\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/CMO-21w5066/22/
END:VEVENT
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