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Träfflista för sökning "WFRF:(Amin F) "

Search: WFRF:(Amin F)

  • Result 1-10 of 243
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1.
  • Tabiri, S, et al. (author)
  • 2021
  • swepub:Mat__t
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2.
  • Bravo, L, et al. (author)
  • 2021
  • swepub:Mat__t
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3.
  • 2021
  • swepub:Mat__t
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4.
  • 2021
  • swepub:Mat__t
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5.
  • Niemi, MEK, et al. (author)
  • 2021
  • swepub:Mat__t
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6.
  • Thomas, HS, et al. (author)
  • 2019
  • swepub:Mat__t
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7.
  • Kanai, M, et al. (author)
  • 2023
  • swepub:Mat__t
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8.
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9.
  • Abadie, J., et al. (author)
  • All-sky search for periodic gravitational waves in the full S5 LIGO data
  • 2012
  • In: Physical Review D (Particles, Fields, Gravitation and Cosmology). - 1550-2368. ; 85:2
  • Journal article (peer-reviewed)abstract
    • 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 -6 x 10(-9) Hz/s. Such a signal could be produced by a nearby spinning and slightly nonaxisymmetric isolated neutron star in our Galaxy. After recent improvements in the search program that yielded a 10x increase in computational efficiency, we have searched in two years of data collected during LIGO's fifth science run and have obtained the most sensitive all-sky upper limits on gravitational-wave strain to date. Near 150 Hz our upper limit on worst-case linearly polarized strain amplitude h(0) is 1 x 10(-24), while at the high end of our frequency range we achieve a worst-case upper limit of 3.8 x 10(-24) for all polarizations and sky locations. These results constitute a factor of 2 improvement upon previously published data. A new detection pipeline utilizing a loosely coherent algorithm was able to follow up weaker outliers, increasing the volume of space where signals can be detected by a factor of 10, but has not revealed any gravitational-wave signals. The pipeline has been tested for robustness with respect to deviations from the model of an isolated neutron star, such as caused by a low-mass or long-period binary companion.
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10.
  • Abadie, J., et al. (author)
  • Implementation and testing of the first prompt search for gravitational wave transients with electromagnetic counterparts
  • 2012
  • In: Astronomy & Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 539
  • Journal article (peer-reviewed)abstract
    • 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 follow-ups to possible transient GW events has been developed and exercised by the LIGO and Virgo community in association with several partners. In this paper, we describe and evaluate the methods used to promptly identify and localize GW event candidates and to request images of targeted sky locations. Methods. During two observing periods (Dec. 17, 2009 to Jan. 8, 2010 and Sep. 2 to Oct. 20, 2010), a low-latency analysis pipeline was used to identify GW event candidates and to reconstruct maps of possible sky locations. A catalog of nearby galaxies and Milky Way globular clusters was used to select the most promising sky positions to be imaged, and this directional information was delivered to EM observatories with time lags of about thirty minutes. A Monte Carlo simulation has been used to evaluate the low-latency GW pipeline's ability to reconstruct source positions correctly. Results. For signals near the detection threshold, our low-latency algorithms often localized simulated GW burst signals to tens of square degrees, while neutron star/neutron star inspirals and neutron star/black hole inspirals were localized to a few hundred square degrees. Localization precision improves for moderately stronger signals. The correct sky location of signals well above threshold and originating from nearby galaxies may be observed with similar to 50% or better probability with a few pointings of wide-field telescopes.
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  • Result 1-10 of 243
Type of publication
journal article (220)
conference paper (11)
research review (3)
other publication (2)
Type of content
peer-reviewed (223)
other academic/artistic (13)
Author/Editor
Amin, N (52)
Amin, Najaf (44)
van Duijn, Cornelia ... (40)
Gudnason, V (38)
van Duijn, CM (37)
Esko, T (36)
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Metspalu, A (36)
Hayward, C. (35)
Uitterlinden, André ... (34)
Hofman, A (33)
Hofman, Albert (33)
Harris, Tamara B (32)
Wareham, Nicholas J. (31)
Gudnason, Vilmundur (31)
Boerwinkle, E (30)
Rudan, I. (30)
Uitterlinden, AG (29)
Smith, AV (28)
Gieger, Christian (28)
Rudan, Igor (27)
Gieger, C (27)
Polašek, O. (27)
Hayward, Caroline (27)
Psaty, BM (26)
Campbell, H (26)
Loos, Ruth J F (26)
Salomaa, Veikko (25)
Lind, Lars (25)
Teumer, A (25)
Snieder, H. (25)
Boehnke, Michael (25)
Stefansson, K (25)
Boomsma, DI (24)
Magnusson, PKE (24)
Rotter, Jerome I. (24)
Boerwinkle, Eric (24)
Hottenga, JJ (23)
Franks, Paul W. (23)
Laakso, Markku (23)
Lehtimaki, T. (23)
Chasman, Daniel I. (23)
Mangino, Massimo (23)
Salomaa, V (23)
Luan, Jian'an (23)
Psaty, Bruce M (23)
Ikram, MA (22)
Campbell, Harry (22)
Vollenweider, P. (22)
Ridker, Paul M. (22)
Metspalu, Andres (22)
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University
Karolinska Institutet (154)
Uppsala University (97)
Lund University (57)
Umeå University (52)
University of Gothenburg (42)
Stockholm University (28)
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Chalmers University of Technology (20)
Royal Institute of Technology (10)
Högskolan Dalarna (8)
Stockholm School of Economics (7)
Örebro University (4)
Linköping University (4)
Karlstad University (3)
Luleå University of Technology (2)
Jönköping University (2)
University of Gävle (1)
Mid Sweden University (1)
Linnaeus University (1)
Swedish University of Agricultural Sciences (1)
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Language
English (243)
Research subject (UKÄ/SCB)
Medical and Health Sciences (130)
Natural sciences (56)
Engineering and Technology (10)
Agricultural Sciences (3)
Social Sciences (3)
Humanities (1)

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