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View article: Herbert D. Athearn and the Museum of Fluviatile Mollusks
Herbert D. Athearn and the Museum of Fluviatile Mollusks Open
Herbert D. Athearn (1923–2011) was an avid student of freshwater mollusks. He named his private shell collection “The Museum of Fluviatile Mollusks”, which was meticulously organized at his residence. This collection was curated to current…
View article: Herbert D. Athearn and the Museum of Fluviatile Mollusks
Herbert D. Athearn and the Museum of Fluviatile Mollusks Open
Herbert D. Athearn (1923-2011) was an avid student of freshwater mollusks. He named his private shell collection “The Museum of Fluviatile Mollusks,” which was meticulously organized at his residence. This collection was curate…
View article: Effects of data quality vetoes on a search for compact binary coalescences in Advanced LIGO's first observing run
Effects of data quality vetoes on a search for compact binary coalescences in Advanced LIGO's first observing run Open
The first observing run of Advanced LIGO spanned 4 months, from September 12, 2015 to January 19, 2016, during which gravitational waves were directly detected from two binary black hole systems, namely GW150914 and GW151226. Confident det…
View article: Effects of data quality vetoes on a search for compact binary coalescences in Advanced LIGO’s first observing run
Effects of data quality vetoes on a search for compact binary coalescences in Advanced LIGO’s first observing run Open
The first observing run of Advanced LIGO spanned 4 months, from 12 September 2015 to 19 January 2016, during which gravitational waves were directly detected from two binary black hole systems, namely GW150914 and GW151226. Confident detec…
View article: Search for continuous gravitational waves from neutron stars in globular cluster NGC 6544
Search for continuous gravitational waves from neutron stars in globular cluster NGC 6544 Open
We describe a directed search for continuous gravitational waves in data from the sixth initial LIGO science run. The target was the nearby globular cluster NGC 6544 at a distance of ≈2.7 kpc. The search covered a broad band of frequencies…
View article: Calibration of the Advanced LIGO detectors for the discovery of the binary black-hole merger GW150914
Calibration of the Advanced LIGO detectors for the discovery of the binary black-hole merger GW150914 Open
In Advanced LIGO, detection and astrophysical source parameter estimation of the binary black hole merger GW150914 requires a calibrated estimate of the gravitational-wave strain sensed by the detectors. Producing an estimate from each det…
View article: Exploring the sensitivity of next generation gravitational wavedetectors
Exploring the sensitivity of next generation gravitational wavedetectors Open
The second-generation of gravitational-wave detectors are just starting operation, and have already yielding their first detections. Research is now concentrated on how to maximize the scientific potential of gravitational-wave astronomy. …
View article: The basic physics of the binary black hole merger GW150914
The basic physics of the binary black hole merger GW150914 Open
The first direct gravitational-wave detection was made by the Advanced Laser Interferometer Gravitational Wave Observatory on September 14, 2015. The GW150914 signal was strong enough to be apparent, without using any waveform model, in th…
View article: Calibration of the Advanced LIGO detectors for the discovery of the binary black-hole merger GW150914
Calibration of the Advanced LIGO detectors for the discovery of the binary black-hole merger GW150914 Open
In Advanced LIGO, detection and astrophysical source parameter estimation of the binary black hole merger GW150914 requires a calibrated estimate of the gravitational-wave strain sensed by the detectors. Producing an estimate from each det…
View article: Search for continuous gravitational waves from neutron stars in globular cluster NGC 6544
Search for continuous gravitational waves from neutron stars in globular cluster NGC 6544 Open
We describe a directed search for continuous gravitational waves in data from the sixth initial LIGO science run. The target was the nearby globular cluster NGC 6544 at a distance of ≈2.7 kpc. The search covered a broad band of frequencies…
View article: SUPPLEMENT: “THE RATE OF BINARY BLACK HOLE MERGERS INFERRED FROM ADVANCED LIGO OBSERVATIONS SURROUNDING GW150914” (2016, ApJL, 833, L1)
SUPPLEMENT: “THE RATE OF BINARY BLACK HOLE MERGERS INFERRED FROM ADVANCED LIGO OBSERVATIONS SURROUNDING GW150914” (2016, ApJL, 833, L1) Open
This article provides supplemental information for a Letter reporting the rate of (BBH) coalescences inferred from 16 days of coincident Advanced LIGO observations surrounding the transient (GW) signal GW150914. In that work we reported va…
View article: THE RATE OF BINARY BLACK HOLE MERGERS INFERRED FROM ADVANCED LIGO OBSERVATIONS SURROUNDING GW150914
THE RATE OF BINARY BLACK HOLE MERGERS INFERRED FROM ADVANCED LIGO OBSERVATIONS SURROUNDING GW150914 Open
A transient gravitational-wave signal, GW150914, was identified in the twin Advanced LIGO detectors on 2015 September 2015 at 09:50:45 UTC. To assess the implications of this discovery, the detectors remained in operation with unchanged co…
View article: UPPER LIMITS ON THE RATES OF BINARY NEUTRON STAR AND NEUTRON STAR–BLACK HOLE MERGERS FROM ADVANCED LIGO’S FIRST OBSERVING RUN
UPPER LIMITS ON THE RATES OF BINARY NEUTRON STAR AND NEUTRON STAR–BLACK HOLE MERGERS FROM ADVANCED LIGO’S FIRST OBSERVING RUN Open
We report here the non-detection of gravitational waves from the merger of binary–neutron star systems and neutron star–black hole systems during the first observing run of the Advanced Laser Interferometer Gravitational-wave Observatory (…
View article: Results of the deepest all-sky survey for continuous gravitational waves on LIGO S6 data running on the Einstein@Home volunteer distributed computing project
Results of the deepest all-sky survey for continuous gravitational waves on LIGO S6 data running on the Einstein@Home volunteer distributed computing project Open
We report results of a deep all-sky search for periodic gravitational waves from isolated neutron stars in data from the S6 LIGO science run. The search was possible thanks to the computing power provided by the volunteers of the Einstein@…
View article: Results of the deepest all-sky survey for continuous gravitational waves on LIGO S6 data running on the Einstein@Home volunteer distributed computing project
Results of the deepest all-sky survey for continuous gravitational waves on LIGO S6 data running on the Einstein@Home volunteer distributed computing project Open
We report results of a deep all-sky search for periodic gravitational waves from isolated neutron stars in data from the S6 LIGO science run. The search was possible thanks to the computing power provided by the volunteers of the Einstein@…
View article: First targeted search for gravitational-wave bursts from core-collapse supernovae in data of first-generation laser interferometer detectors
First targeted search for gravitational-wave bursts from core-collapse supernovae in data of first-generation laser interferometer detectors Open
We present results from a search for gravitational-wave bursts coincident with two core-collapse supernovae observed optically in 2007 and 2011. We employ data from the Laser Interferometer Gravitational-wave Observatory (LIGO), the Virgo …
View article: Improved Analysis of GW150914 Using a Fully Spin-Precessing Waveform Model
Improved Analysis of GW150914 Using a Fully Spin-Precessing Waveform Model Open
This paper presents updated estimates of source parameters for GW150914, a binary black-hole coalescence event detected by the Laser Interferometer Gravitational-wave Observatory (LIGO) in 2015 [Abbott , 061102 (2016).]. Abbott [ , 241102 …
View article: Directly comparing GW150914 with numerical solutions of Einstein’s equations for binary black hole coalescence
Directly comparing GW150914 with numerical solutions of Einstein’s equations for binary black hole coalescence Open
We compare GW150914 directly to simulations of coalescing binary black holes in full general relativity, including several performed specifically to reproduce this event. Our calculations go beyond existing semianalytic models, because for…
View article: Comprehensive all-sky search for periodic gravitational waves in the sixth science run LIGO data
Comprehensive all-sky search for periodic gravitational waves in the sixth science run LIGO data Open
We report on a comprehensive all-sky search for periodic gravitational waves in the frequency band 100–1500 Hz and with a frequency time derivative in the range of [−1.18,+1.00]×10−8 Hz/s. Such a signal could be produced by a nearby spinni…
View article: LOCALIZATION AND BROADBAND FOLLOW-UP OF THE GRAVITATIONAL-WAVE TRANSIENT GW150914
LOCALIZATION AND BROADBAND FOLLOW-UP OF THE GRAVITATIONAL-WAVE TRANSIENT GW150914 Open
A gravitational-wave (GW) transient was identified in data recorded by the Advanced Laser Interferometer Gravitational-wave Observatory (LIGO) detectors on 2015 September 14. The event, initially designated G184098 and later given the name…
View article: SUPPLEMENT: “LOCALIZATION AND BROADBAND FOLLOW-UP OF THE GRAVITATIONAL-WAVE TRANSIENT GW150914” (2016, ApJL, 826, L13)
SUPPLEMENT: “LOCALIZATION AND BROADBAND FOLLOW-UP OF THE GRAVITATIONAL-WAVE TRANSIENT GW150914” (2016, ApJL, 826, L13) Open
This Supplement provides supporting material for Abbott et al. (2016a). We briefly summarize past electromagnetic (EM) follow-up efforts as well as the organization and policy of the current EM follow-up program. We compare the four probab…
View article: Search for transient gravitational waves in coincidence with short-duration radio transients during 2007–2013
Search for transient gravitational waves in coincidence with short-duration radio transients during 2007–2013 Open
We present an archival search for transient gravitational-wave bursts in coincidence with 27 single-pulse triggers from Green Bank Telescope pulsar surveys, using the LIGO, Virgo, and GEO interferometer network. We also discuss a check for…
View article: GW151226: Observation of Gravitational Waves from a 22-Solar-Mass Binary Black Hole Coalescence
GW151226: Observation of Gravitational Waves from a 22-Solar-Mass Binary Black Hole Coalescence Open
We report the observation of a gravitational-wave signal produced by the coalescence of two stellar-mass black holes. The signal, GW151226, was observed by the twin detectors of the Laser Interferometer Gravitational-Wave Observatory (LIGO…
View article: Properties of the Binary Black Hole Merger GW150914
Properties of the Binary Black Hole Merger GW150914 Open
On September 14, 2015, the Laser Interferometer Gravitational-Wave Observatory (LIGO) detected a gravitational-wave transient (GW150914); we characterize the properties of the source and its parameters. The data around the time of the even…
View article: GW150914: First results from the search for binary black hole coalescence with Advanced LIGO
GW150914: First results from the search for binary black hole coalescence with Advanced LIGO Open
On September 14, 2015 at 09:50:45 UTC the two detectors of the Laser Interferometer Gravitational-wave Observatory (LIGO) simultaneously observed the binary black hole merger GW150914. We report the results of a matched-filter search using…
View article: Observing gravitational-wave transient GW150914 with minimal assumptions
Observing gravitational-wave transient GW150914 with minimal assumptions Open
Made available in DSpace on 2022-04-29T07:37:29Z (GMT). No. of bitstreams: 0\n Previous issue date: 2016-06-07
View article: Characterization of transient noise in Advanced LIGO relevant to gravitational wave signal GW150914
Characterization of transient noise in Advanced LIGO relevant to gravitational wave signal GW150914 Open
On 14 September 2015, a gravitational wave signal from a coalescing black hole binary system was observed by the Advanced LIGO detectors. This paper describes the transient noise backgrounds used to determine the significance of the event …
View article: Sensitivity of the Advanced LIGO detectors at the beginning of gravitational wave astronomy
Sensitivity of the Advanced LIGO detectors at the beginning of gravitational wave astronomy Open
The Laser Interferometer Gravitational Wave Observatory (LIGO) consists of two widely separated 4 km laser interferometers designed to detect gravitational waves from distant astrophysical sources in the frequency range from 10 Hz to 10 kH…
View article: Tests of General Relativity with GW150914
Tests of General Relativity with GW150914 Open
The LIGO detection of GW150914 provides an unprecedented opportunity to study the two-body motion of a compact-object binary in the large-velocity, highly nonlinear regime, and to witness the final merger of the binary and the excitation o…
View article: A First Targeted Search for Gravitational-Wave Bursts from Core-Collapse Supernovae in Data of First-Generation Laser Interferometer Detectors
A First Targeted Search for Gravitational-Wave Bursts from Core-Collapse Supernovae in Data of First-Generation Laser Interferometer Detectors Open
We present results from a search for gravitational-wave bursts coincident with a set of two core-collapse supernovae observed between 2007 and 2011. We employ data from the Laser Interferometer Gravitational-wave Observatory (LIGO), the Vi…