Publications (40)
A search for gravitational waves associated with the August 2006 timing glitch of the Vela pulsar
The LIGO Scientific Collaboration, J. Abadie, B. P. Abbott +499
The physical mechanisms responsible for pulsar timing glitches are thought to excite quasi-normal mode oscillations in their parent neutron star that couple to gravitational wave e…
Search for gravitational waves from binary black hole inspiral, merger and ringdown
The LIGO Scientific Collaboration, the Virgo Collaboration, J. Abadie +721
We present the first modeled search for gravitational waves using the complete binary black hole gravitational waveform from inspiral through the merger and ringdown for binaries w…
Search for gravitational-wave bursts associated with gamma-ray bursts using data from LIGO Science Run 5 and Virgo Science Run 1
LIGO Scientific Collaboration, Virgo Collaboration, B. P. Abbott +665
We present the results of a search for gravitational-wave bursts associated with 137 gamma-ray bursts (GRBs) that were detected by satellite-based gamma-ray experiments during the…
Upper limits on a stochastic gravitational-wave background using LIGO and Virgo interferometers at 600-1000 Hz
J. Abadie, B. P. Abbott, R. Abbott +782
A stochastic background of gravitational waves is expected to arise from a superposition of many incoherent sources of gravitational waves, of either cosmological or astrophysical…
A Blockchain-based Approach for Assessing Compliance with SLA-guaranteed IoT Services
A. Alzubaidi, K. Mitra, P. Patel +1
Within cloud-based internet of things (IoT) applications, typically cloud providers employ Service Level Agreements (SLAs) to ensure the quality of their provisioned services. Simi…
Implications For The Origin Of GRB 051103 From LIGO Observations
The LIGO Scientific Collaboration, J. Abadie, B. P. Abbott +568
We present the results of a LIGO search for gravitational waves (GWs) associated with GRB 051103, a short-duration hard-spectrum gamma-ray burst (GRB) whose electromagnetically det…
Search for gravitational waves associated with gamma-ray bursts during LIGO science run 6 and Virgo science runs 2 and 3
The LIGO Scientific Collaboration, Virgo Collaboration, J. Abadie +807
We present the results of a search for gravitational waves associated with 154 gamma-ray bursts (GRBs) that were detected by satellite-based gamma-ray experiments in 2009-2010, dur…
Search for continuous gravitational waves from neutron stars in globular cluster NGC 6544
B. P. Abbott, R. Abbott, T. D. Abbott +953
We describe a directed search for continuous gravitational waves in data from the sixth LIGO science run. The target was the nearby globular cluster NGC 6544 at a distance of 2.7 k…
Sensitivity to Gravitational Waves from Compact Binary Coalescences Achieved during LIGO's Fifth and Virgo's First Science Run
The LIGO Scientific Collaboration, the Virgo Collaboration, J. Abadie +707
We summarize the sensitivity achieved by the LIGO and Virgo gravitational wave detectors for compact binary coalescence (CBC) searches during LIGO's fifth science run and Virgo's f…
A Solution to the Edge-Balanced Index Set Problem for Complete Odd Bipartite Graphs
E. Krop, S. Minion, P. Patel +1
In 2009, Kong, Wang, and Lee began work on the problem of finding the edge-balanced index sets (EBI) of complete bipartite graphs K_{m,n} by solving the cases where n = 1, 2, 3, 4,…
Weak gravitational lensing with the Square Kilometre Array
M. L. Brown, D. J. Bacon, S. Camera +12
We investigate the capabilities of various stages of the SKA to perform world-leading weak gravitational lensing surveys. We outline a way forward to develop the tools needed for p…
Photoionization Models of the Inner Gaseous Disk of the Herbig Be Star BD+65 1637
P. Patel, T. A. A. Sigut, J. D. Landstreet
We attempt to constrain the physical properties of the inner, gaseous disk of the Herbig Be star BD+65 1637 using non-LTE, circumstellar disk codes and observed spectra (3700 to 10…
First search for gravitational waves from the youngest known neutron star
LIGO Scientific Collaboration, J. Abadie, B. P. Abbott +537
We present a search for periodic gravitational waves from the neutron star in the supernova remnant Cassiopeia A. The search coherently analyzes data in a 12-day interval taken fro…
Searches for gravitational waves from known pulsars with S5 LIGO data
The LIGO Scientific Collaboration, The Virgo Collaboration, B. P. Abbott +678
We present a search for gravitational waves from 116 known millisecond and young pulsars using data from the fifth science run of the LIGO detectors. For this search ephemerides ov…
Directional limits on persistent gravitational waves using LIGO S5 science data
J. Abadie, B. P. Abbott, R. Abbott +712
The gravitational-wave (GW) sky may include nearby pointlike sources as well as astrophysical and cosmological stochastic backgrounds. Since the relative strength and angular distr…
Collisionless shock acceleration of narrow energy spread ion beams from mixed species plasmas using 1 m lasers
A. Pak, S. Kerr, N. Lemos +15
Collisionless shock acceleration of protons and C ions has been achieved by the interaction of a 10 W/cm, 1 m laser with a near-critical density plasma. Ablat…
All-sky search for gravitational-wave bursts in the second joint LIGO-Virgo run
the LIGO Scientific Collaboration, the Virgo Collaboration, J. Abadie +786
We present results from a search for gravitational-wave bursts in the data collected by the LIGO and Virgo detectors between July 7, 2009 and October 20, 2010: data are analyzed wh…
Search for Gravitational Waves from Intermediate Mass Binary Black Holes
the LIGO Scientific Collaboration, the Virgo Collaboration, J. Abadie +790
We present the results of a weakly modeled burst search for gravitational waves from mergers of non-spinning intermediate mass black holes (IMBH) in the total mass range 100--450 s…
Search for gravitational-wave inspiral signals associated with short Gamma-Ray Bursts during LIGO's fifth and Virgo's first science run
The LIGO Scientific Collaboration, the Virgo Collaboration, J. Abadie +665
Progenitor scenarios for short gamma-ray bursts (short GRBs) include coalescenses of two neutron stars or a neutron star and black hole, which would necessarily be accompanied by t…
Implementation of barycentric resampling for continuous wave searches in gravitational wave data
P. Patel, X. Siemens, R. Dupuis +1
We describe an efficient implementation of a coherent statistic for continuous gravitational wave searches from neutron stars. The algorithm works by transforming the data taken by…
Probing the accelerating Universe with radio weak lensing in the JVLA Sky Survey
M. L. Brown, F. B. Abdalla, A. Amara +48
We outline the prospects for performing pioneering radio weak gravitational lensing analyses using observations from a potential forthcoming JVLA Sky Survey program. A large-scale…
Probing the rest-frame wavelength dependence of quasar variability : Insights from the Zwicky Transient Facility Survey
P. Patel, P. Lira, P. Arévalo +3
Context: Quasar variability can potentially unlock crucial insights into the accretion process. Understanding how this variability is influenced by wavelength is crucial for valida…
Beating the spin-down limit on gravitational wave emission from the Vela pulsar
The LIGO Scientific Collaboration, the Virgo Collaboration, J. Abadie +747
We present direct upper limits on continuous gravitational wave emission from the Vela pulsar using data from the Virgo detector's second science run. These upper limits have been…
Search for Gravitational Wave Bursts from Six Magnetars
J. Abadie, B. P. Abbott, R. Abbott +765
Soft gamma repeaters (SGRs) and anomalous X-ray pulsars (AXPs) are thought to be magnetars: neutron stars powered by extreme magnetic fields. These rare objects are characterized b…
SuperB Technical Design Report
SuperB Collaboration, M. Baszczyk, P. Dorosz +406
In this Technical Design Report (TDR) we describe the SuperB detector that was to be installed on the SuperB e+e- high luminosity collider. The SuperB asymmetric collider, which wa…
The universal power spectrum of Quasars in optical wavelengths: Break timescale scales directly with both black hole mass and accretion rate
P. Arevalo, E. Churazov, P. Lira +5
Aims: Establish the dependence of variability properties, such as characteristic timescales and variability amplitude, on basic quasar parameters such as black hole mass and accret…
All-sky Search for Periodic Gravitational Waves in the Full S5 LIGO Data
J. Abadie, B. P. Abbott, R. Abbott +794
We report on an all-sky search for periodic gravitational waves in the frequency band 50-800 Hz and with the frequency time derivative in the range of 0 through -6e-9 Hz/s. Such a…
Benchtop magnetic shielding for benchmarking atomic magnetometers
P. J. Hobson, N. Holmes, P. Patel +14
Here, a benchtop hybrid magnetic shield containing four mumetal cylinders and nine internal flexible printed circuit boards is designed, constructed, tested, and operated. The shie…
The Correlation Between Hα Emission and Visual Magnitude During Long-Term Variations in Classical Be Stars
T. A. A. Sigut, P. Patel
Hα equivalent widths and UBV magnitudes are calculated for Be star disk models that grow in size and/or density with time. We show that these simple models are consistent with the…
Beating the spin-down limit on gravitational wave emission from the Crab pulsar
The LIGO Scientific Collaboration, B. Abbott, R. Abbott +440
We present direct upper limits on gravitational wave emission from the Crab pulsar using data from the first nine months of the fifth science run of the Laser Interferometer Gravit…
Implementation and testing of the first prompt search for gravitational wave transients with electromagnetic counterparts
The LIGO Scientific Collaboration, Virgo Collaboration, J. Abadie +815
Aims. A transient astrophysical event observed in both gravitational wave (GW) and electromagnetic (EM) channels would yield rich scientific rewards. A first program initiating EM…
Search for Gravitational Waves from Low Mass Compact Binary Coalescence in LIGO's Sixth Science Run and Virgo's Science Runs 2 and 3
the LIGO Scientific Collaboration, the Virgo Collaboration, J. Abadie +796
We report on a search for gravitational waves from coalescing compact binaries using LIGO and Virgo observations between July 7, 2009 and October 20, 2010. We searched for signals…
Predictions for the Rates of Compact Binary Coalescences Observable by Ground-based Gravitational-wave Detectors
LIGO Scientific Collaboration, Virgo Collaboration, J. Abadie +709
We present an up-to-date, comprehensive summary of the rates for all types of compact binary coalescence sources detectable by the Initial and Advanced versions of the ground-based…
Searching for gravitational waves from Cassiopeia A with LIGO
K. Wette, B. J. Owen, B. Allen +28
We describe a search underway for periodic gravitational waves from the central compact object in the supernova remnant Cassiopeia A. The object is the youngest likely neutron star…
Radio Weak Gravitational Lensing with VLA and MERLIN
P. Patel, D. J. Bacon, R. J. Beswick +2
We carry out an exploratory weak gravitational lensing analysis on a combined VLA and MERLIN radio data set: a deep (3.3 micro-Jy beam^-1 rms noise) 1.4 GHz image of the Hubble Dee…
Localization and Confidence Region Estimation of Short GRBs with the COSI BGO Shield Using a HEALPix-Based Deep Learning Approach
N. Parmiggiani, A. Bulgarelli, G. Panebianco +17
The Compton Spectrometer and Imager is a NASA satellite mission under development that will survey the entire sky in the 0.2-5 MeV range using a wide-field germanium detector array…
Calibration of the LIGO Gravitational Wave Detectors in the Fifth Science Run
LIGO Scientific Collaboration, J. Abadie, B. P. Abbott +538
The Laser Interferometer Gravitational Wave Observatory (LIGO) is a network of three detectors built to detect local perturbations in the space-time metric from astrophysical sourc…
Photoionization Models for the Inner Gaseous Disks of Herbig Be Stars: Evidence Against Magnetospheric Accretion?
P. Patel, T. A. A. Sigut, J. D. Landstreet
We investigate the physical properties of the inner gaseous disks of the three, hot, Herbig B2e stars, HD 76534, HD 114981 and HD 216629, by modelling CFHT-ESPaDOns spectra using n…
Methods and results of a search for gravitational waves associated with gamma-ray bursts using the GEO600, LIGO, and Virgo detectors
The LIGO Scientific Collaboration, the Virgo Collaboration, J. Aasi +889
In this paper we report on a search for short-duration gravitational wave bursts in the frequency range 64 Hz-1792 Hz associated with gamma-ray bursts (GRBs), using data from GEO60…
Super-resolution linear optical imaging in the far field
A. A. Pushkina, G. Maltese, J. I. Costa-Filho +2
The resolution of optical imaging devices is ultimately limited by the diffraction of light. To circumvent this limit, modern super-resolution microscopy techniques employ active i…