GRB classification: short and intermediate GRBs
The Afterglow and Environment of the Short Grb 111117a
... of short GRB 111117A at δt ≈ 3 d, which leads to a robust association with a galaxy at a photometric redshift of z ≈ ...Among short GRBs, only GRBs 050724 and 051221A were detected at ...
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The binary progenitors of short and long GRBs and their gravitational-wave emission
... Figure 1. Scheme of the IGC scenario: the CO core undergoes SN explosion, the NS accretes part of the SN ejecta and then reaches the critical mass for gravitational collapse to a BH, with consequent emission of a ...
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A deceleration search for magnetar pulsations in the X-ray plateaus of short GRBs
... 140903A), consistent with the observed n < 3 braking indices in millisecond magnetars. The other, GRB 130603B, has n = 2.9 ± 0.1 as expected for dipole radiation. Therefore, the assumption of pure dipole radiation ...
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Short GRB properties and rate in the Gravitational Wave era
... • our flat luminosity function implies an average prompt emission luminosity relatively high for short GRBs: bright orphan afterglows. • waiting for the next LIGO/Virgo obs[r] ...
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The Afterglow and Ulirg Host Galaxy of the Dark Short Grb 120804a
... A comparison of the observed fluxes points to substantial rest- frame extinction of A V host ≈ 2.5 mag, commensurate with the large neutral hydrogen column density, N H,int ≈ 2 ×10 22 cm −3 . In conjunction with deep ...
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The luminous infrared host galaxy of short-duration GRB 100206A
... of short-hard gamma-ray bursts (GRBs) to date are characterized by low to moderate star formation rates (SFRs) and a broad range of stellar masses, in general agreement with models associating the ...
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A Short Gamma-ray Burst 'no-host' Problem? Investigating Large Progenitor Offsets for Short Grbs with Optical Afterglows
... We further use deep optical imaging to determine the proba- bility of chance coincidence for galaxies in the field around each burst, and to place redshift limits for underlying hosts under the assumption that they are ...
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Long optical plateau in the afterglow of the short GRB 150424A with extended emission
... flavors: short-duration GRBs and long- duration GRBs ( Kouveliotou et ...the short GRBs show extended emission (EE) in the γ band after the short γ flash ...classically ...
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The Afterglow and Early-type Host Galaxy of the Short GRB 150101B at Z = 0.1343
... the short-duration GRB 150101B, pinpointing the event to an early-type host galaxy at z = ...makes GRB 150101B the most nearby short GRB with an early-type host galaxy discovered to ...
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GeV emission from short gamma-ray bursts: the case of GRB 081024B
... prompt GRB is computed, for both the synchrotron and IC components, as a function of two free parameters: the Lorentz factor Γ and the variability time t v of the central engine that emits the ...for GRBs ...
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Revealing Short GRB Jet Structure and Dynamics with Gravitational Wave Electromagnetic Counterparts
... of short gamma-ray bursts ...of short GRB ...the short-lived jets from the merger ...prompt GRB, the jet structure and dynamics can be ...
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Short GRB and Binary Black Hole Standard Sirens as a Probe of Dark Energy
... particular, short -ray bursts appear quite promising as potential GW standard ...of short GRBs is sufficiently high that within a few years of observation by the next generation of ground-based GW ...
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GRB : A LONG, SHORT-LAG, HIGH-PEAK ENERGY BURST OBSERVED BY SWIFT AND KONUS
... BATSE GRBs for which the relation is inconsistent. GRB 050717 is an excellent example demonstrating that the Amati et ...Maybe GRB 050717 and similar bursts will eventually be able to tell us why the ...
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Spectroscopy and multiband photometry of the afterglow of intermediate duration γ-ray burst GRB and its host galaxy ABSTRACT
... long GRB progen- ...both GRB and afterglow, requiring the redshift distribu- tion and jet-break determinations; the age of the dominant stellar population, determined from host galaxy SED fitting; the quan- ...
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Gemini spectroscopy of the short-hard gamma-ray burst GRB 130603b afterglow and host galaxy
... these short- lived ...of short GRBs and measure their redshifts, but also to characterize, via absorption spectroscopy, their explosion site environment and move forward in our understanding of the ...
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What can we learn from GRBs?
... 5 University of Siena, Dept. of Physical Sciences, Earth and Environment, Via Roma 56, I-53100 Siena, Italy 6 ASI Science Data Center, via del Politecnico s.n.c., I-00133 Rome Italy 7 Department of Physics, Isfahan ...
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Population properties, dissipation and radiative processes in GRBs.
... OA lightcurve has the same typical temporal behavior of a GRB afterglow, i.e. ∝ t − δ with δ ∼ 1 − 2, but it is not enough to un- ambiguously distinguish them. For this reason, a dedicated op- tical photometric ...
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A Reverse Shock in GRB 181201A
... on intermediate timescales, and a late-time excess in the X-ray and radio emission, and placed these observations in the context of similar signatures observed in other ...of GRBs followed by a summative ...
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MODELING THE GRB HOST GALAXY MASS DISTRIBUTION: ARE GRBs UNBIASED TRACERS OF STAR FORMATION?
... If GRBs are metallicity-biased tracers of the star formation in the universe, then the centroid of this truncated total star-formation rate would yield the expected median stel- lar mass of a GRB host ...
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An unusual transient following the short GRB 071227
... Figure 12. The rotation curve of the host galaxy, velocities are as observed (not corrected for the inclination). The position of the GRB in the south-east tip of the galaxy moving away from us is noted. The ...
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