Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
We present the results of a search for short-duration gravitational-wave bursts associated with 39 gamma-ray bursts (GRBs) detected by gamma-ray satellite experiments during LIGO's S2, S3, and S4...
Search for gravitational waves from binary inspirals in S3 and S4 LIGO data (2008)
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
We report on a search for gravitational waves from the coalescence of compact binaries during the third and fourth LIGO science runs. The search focused on gravitational waves generated during the...
All-sky search for periodic gravitational waves in LIGO S4 data (2008)
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
We report on an all-sky search with the LIGO detectors for periodic gravitational waves in the frequency range 50-1000 Hz and with the frequency's time derivative in the range -1×10-8 Hz s-1 to...
Implications for the origin of GRB 070201 from LIGO observations (2008)
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
We analyzed the available LIGO data coincident with GRB 070201, a short duration hard spectrum γ-ray burst whose electromagnetically determined sky position is coincident with the spiral arms of the...
The Einstein@Home search for periodic gravitational waves in LIGO S4 data (2008)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, Bruce, Allen, G., ...
A search for periodic gravitational waves, from sources such as isolated rapidly-spinning neutron stars, was carried out using 510 hours of data from the fourth LIGO science run (S4). The search was...
Beating the spin-down limit on gravitational wave emission from the Crab pulsar (2008)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, Bruce, Allen, G., ...
We present direct upper limits on gravitational wave emission from the Crab pulsar using data from the first 9 months of the fifth science run of the Laser Interferometer Gravitational-wave...
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
Submitted to Cornell University’s online archive www.arXiv.org in 2008 by Isabel Leonor. Post-print sourced from www.arxiv.org.
Search for gravitational waves from binary inspirals in S3 and S4 LIGO data (2008)
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
Submitted to Cornell University’s online archive www.arXiv.org in 2008 by Thomas Cokelaer. Post-print sourced from www.arxiv.org.
Implications for the origin of GRB 070201 from LIGO observations (2008)
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
Submitted to Cornell University’s online archive www.arXiv.org in 2008 by Szabolcs M\'arka. Post-print sourced from www.arxiv.org.
Beating the spin-down limit on gravitational wave emission from the Crab pulsar (2008)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
Submitted to Cornell University’s online archive www.arXiv.org in 2008 by Matthew Pitkin. Post-print sourced from www.arxiv.org.
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
Submitted to Cornell University’s online archive www.arXiv.org in 2008. Post-print sourced from www.arxiv.org.
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
Submitted to Cornell University’s online archive www.arXiv.org in 2008 by Isabel Leonor. Post-print sourced from www.arxiv.org.
Search for gravitational waves from binary inspirals in S3 and S4 LIGO data (2008)
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
Submitted to Cornell University’s online archive www.arXiv.org in 2008 by Thomas Cokelaer. Post-print sourced from www.arxiv.org.
Implications for the origin of GRB 070201 from LIGO observations (2008)
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
Submitted to Cornell University’s online archive www.arXiv.org in 2008 by Szabolcs M\'arka. Post-print sourced from www.arxiv.org.
Beating the spin-down limit on gravitational wave emission from the Crab pulsar (2008)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
Submitted to Cornell University’s online archive www.arXiv.org in 2008 by Matthew Pitkin. Post-print sourced from www.arxiv.org.
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
Submitted to Cornell University’s online archive www.arXiv.org in 2008. Post-print sourced from www.arxiv.org.
Search for gravitational-wave bursts in LIGO data from the fourth science run (2007)
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
The fourth science run of the LIGO and GEO 600 gravitational-wave detectors, carried out in early 2005, collected data with significantly lower noise than previous science runs. We report on a search...
Upper limit map of a background of gravitational waves (2007)
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
We searched for an anisotropic background of gravitational waves using data from the LIGO S4 science run and a method that is optimized for point sources. This is appropriate if, for example, the...
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
We have searched for gravitational waves (GWs) associated with the SGR 1806-20 hyperflare of 27 December 2004. This event, originating from a Galactic neutron star, displayed exceptional energetics....
Upper limits on gravitational wave emission from 78 radio pulsars (2007)
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
We present upper limits on the gravitational wave emission from 78 radio pulsars based on data from the third and fourth science runs of the LIGO and GEO 600 gravitational wave detectors. The data...
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
Data from the LIGO Livingston interferometer and the ALLEGRO resonant-bar detector, taken during LIGO's fourth science run, were examined for cross correlations indicative of a stochastic...
A phenomenological template family for black-hole coalescence waveforms (2007)
Ajith, P., Babak, S., Chen, Y., Hewitson, M., Krishnan, B., Whelan, J. T., ...
Recent progress in numerical relativity has enabled us to model the non-perturbative merger phase of the binary black-hole coalescence problem. Based on these results, we propose a phenomenological...
Physical instrumental vetoes for gravitational-wave burst triggers (2007)
Ajith, P., Hewitson, M., Smith, J.R., H. Grote, H., Hild, S., Strain, K. A.
We present a robust strategy to \emph{veto} certain classes of instrumental glitches that appear at the output of interferometric gravitational-wave (GW) detectors.This veto method is `physical' in...
A statistical veto method employing an amplitude consistency check (2007)
Hild, S., Ajith, P., Hewitson, M., Grote, H., Smith, J.R.
Statistical veto methods are commonly used to reduce the list of candidate gravitational wave (GW) events which are detected as transient (burst) signals in the main output of GW detectors. If a...
Robust vetoes for gravitational-wave burst triggers using known instrumental couplings (2006)
Ajith, P., Hewitson, M., Smith, J. R., Strain, K. A.
The search for signatures of transient, unmodelled gravitational-wave (GW) bursts in the data of ground-based interferometric detectors typically uses `excess-power' search methods. One of the most...
Null-stream veto for two co-located detectors: Implementation issues (2006)
Ajith, P, Hewitson, M, Heng, I S
Time-series data from multiple gravitational wave (GW) detectors can be linearly combined to form a null-stream, in which all GW information will be cancelled out. This null-stream can be used to...
Null-stream veto for two co-located detectors: Implementation issues (2006)
Ajith, P., Hewitson, M., Heng, I. S.
Time-series data from multiple gravitational wave (GW) detectors can be linearly combined to form a null-stream, in which all GW information will be cancelled out. This null-stream can be used to...
Robust vetoes for gravitational-wave burst triggers using known instrumental couplings (2006)
Ajith, P., Hewitson, M., Smith, J. R., Strain, K. A.
The search for signatures of transient, unmodelled gravitational-wave (GW) bursts in the data of ground-based interferometric detectors typically uses `excess-power' search methods. One of the most...
Status of the LIGO detectors (2006)
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
Copyright © Institute of Physics and IOP Publishing Limited 2006.
Status of the LIGO detectors (2006)
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
Copyright © Institute of Physics and IOP Publishing Limited 2006.
Ajith, P., Iyer, Bala R., Robinson, C. A. K., Sathyaprakash, B. S.
Post-Newtonian expansions of the binding energy and gravitational wave flux truncated at the {\it same relative} post-Newtonian order form the basis of the {\it standard adiabatic} approximation to...
Using the null-stream of GEO600 to veto transient events in the detector output (2005)
A network of gravitational wave detectors is currently being commissioned around the world. Each of these detectors will search for gravitational waves from various astronomical sources. One of the...
Optimal time-domain combination of the two calibrated output quadratures of GEO 600 (2005)
Hewitson, Martin, Grote, Hartmut, Hild, Stefan, Lück, Harald, Ajith, P., Smith, J. R., ...
GEO 600 is an interferometric gravitational wave detector with a 600 m arm-length and which uses a dual-recycled optical configuration to give enhanced sensitivity over certain frequencies in the...
Upper limits from the LIGO and TAMA detectors on the rate of gravitational-wave bursts (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, J., Ajith, P., ...
Upper limits on gravitational wave bursts in LIGO's second science run (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, J., Allen, B., ...
Ajith, P., Iyer, Bala R., Robinson, C. A. K., Sathyaprakash, B. S.
(Abridged): The standard adiabatic approximation to phasing of gravitational waves from inspiralling compact binaries uses the post-Newtonian expansions of the binding energy and gravitational wave...