Results 321 to 330 of about 255,861 (341)
Size and Shape Modulation of Cu2S Nanoplates via Chemical Reduction with NaOH and NH3·H2O. [PDF]
ACS OmegaLe VD, Grey GJ, Han IH, Hammig MD.
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Multi-scale parameterization of neural rhythmicity with lagged Hilbert autocoherence
Zhang S +5 more
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Annals of the New York Academy of Sciences, 1993
The distribution of γ‐ray bursts as observed by BATSE rules out the galactic disk origin, and it is consistent with the cosmological origin. Much work is currently done to reconcile galactic halo distribution with the absence of dipole and quadrupole moments in the positions of BATSE bursts. A relativistic expansion of the source is implied by both the
A. W. Wolfendale, P. V. Ramana Murthy
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The distribution of γ‐ray bursts as observed by BATSE rules out the galactic disk origin, and it is consistent with the cosmological origin. Much work is currently done to reconcile galactic halo distribution with the absence of dipole and quadrupole moments in the positions of BATSE bursts. A relativistic expansion of the source is implied by both the
A. W. Wolfendale, P. V. Ramana Murthy
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Physics World, 1998 Gamma-ray bursts are one of the top unsolved mysteries in astrophysics, alongside such burning issues as the nature of dark matter and the cosmological constant. We have known of the existence of gamma-ray bursts for over 25 years, but these short flashes of gamma rays have defied all our attempts to understand their causes and origin.
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AIP Conference Proceedings, 1983
The time histories, size spectrum, spatial distribution, and repetition rates of gamma ray bursts are reviewed briefly. Evidence for a neutron star origin for gamma ray bursts may be found in many of these aspects of bursters. New results from optical searches are described.
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The time histories, size spectrum, spatial distribution, and repetition rates of gamma ray bursts are reviewed briefly. Evidence for a neutron star origin for gamma ray bursts may be found in many of these aspects of bursters. New results from optical searches are described.
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AIP Conference Proceedings, 2006
AGILE is a Scientific Mission dedicated to high‐energy astrophysics supported by ASI with scientific participation of INAF and INFN. The AGILE instrument is designed to simultaneously detect and image photons in the 30 MeV – 50 GeV and 15 – 45 keV energy bands with excellent imaging and timing capabilities, and a large field of view covering ∼ 1/5 of ...
LONGO, FRANCESCO +53 more
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AGILE is a Scientific Mission dedicated to high‐energy astrophysics supported by ASI with scientific participation of INAF and INFN. The AGILE instrument is designed to simultaneously detect and image photons in the 30 MeV – 50 GeV and 15 – 45 keV energy bands with excellent imaging and timing capabilities, and a large field of view covering ∼ 1/5 of ...
LONGO, FRANCESCO +53 more
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SuperAGILE and Gamma Ray Bursts
AIP Conference Proceedings, 2006The solid‐state hard X‐ray imager of AGILE gamma‐ray mission — SuperAGILE — has a six arcmin on‐axis angular resolution in the 15–45 keV range, a field of view in excess of 1 steradian. The instrument is very light: 5 kg only. It is equipped with an on‐board self triggering logic, image deconvolution, and it is able to transmit the coordinates of a GRB
L. PACCIANI +15 more
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AIP Conference Proceedings, 2005
We follow the evolution of binary systems that include rotational processes for both stars. Neglecting magnetic fields, we show that the cores of massive stars can maintain a high specific angular momentum (j~1017 cm2 s-1) when evolved with the assumption that mean molecular weight gradient suppress rotational mixing processes.
Petrovic, J., Langer, N.
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We follow the evolution of binary systems that include rotational processes for both stars. Neglecting magnetic fields, we show that the cores of massive stars can maintain a high specific angular momentum (j~1017 cm2 s-1) when evolved with the assumption that mean molecular weight gradient suppress rotational mixing processes.
Petrovic, J., Langer, N.
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