Possible Evidence for Relativistic Shocks in Gamma-Ray Bursts (2009)
E. Cohen, J. I. Katz, T. Piran, R. Sari, R. D. Preece, D. L. Band
Relativistic shock models of gamma-ray bursts may be tested by comparison of their predicted low energy asymptotic spectral indices s to observations. Synchrotron radiation theory predicts that the...
Prospects for GRB Science with the Fermi Large Area Telescope (2009)
Band, D. L., Axelsson, M., Baldini, L., Barbiellini, G., Baring, M. G., Bastieri, D., ...
The LAT instrument on the Fermi mission will reveal the rich spectral and temporal gamma-ray burst phenomena in the > 100 MeV band. The synergy with Fermi's GBM detectors will link these observations...
Fermi observations of high-energy gamma-ray emission from GRB 080916C (2009)
Abdo, A. A., Ackermann, M., Arimoto, M., Asano, K., Atwood, W. B., Axelsson, M., ...
The large area telescope on the Fermi gamma-ray space telescope mission (2009)
Atwood, W. B., Abdo, A. A., Ackermann, M., Althouse, W., Anderson, B., Axelsson, M., ...
Fermi/large area telescope bright gamma-ray source list (2009)
Abdo, A. A., Ackermann, M., Ajello, M., Atwood, W. B., Axelsson, M., Baldini, L., ...
Prospects for GRB science with the Fermi large area telescope (2009)
Band, D. L., Axelsson, M., Baldini, L., Barbiellini, G., Baring, M. G., Bastieri, D., ...
EXIST's Gamma-Ray Burst Sensitivity (2007)
Band, D. L., Grindlay, J. E., Hong, J., Fishman, G., Hartmann, D. H., Garson III, A., ...
We use semi-analytic techniques to evaluate the burst sensitivity of designs for the EXIST hard X-ray survey mission. Applying these techniques to the mission design proposed for the Beyond Einstein...
Burst Statistics Using the Lag-Luminosity Relationship (2003)
Band, D. L., Norris, J. P., Bonnell, J. T.
Using the lag-luminosity relation and various BATSE catalogs we create a large catalog of burst redshifts, peak luminosities and emitted energies. These catalogs permit us to evaluate the...
LOTIS Upper Limits and the Prompt OT from GRB 990123 (1999)
Williams, G. G., Hartmann, D. H., Park, H. S., Porrata, R. A., Ables, E., Bionta, R., ...
GRB 990123 established the existence of prompt optical emission from gamma-ray bursts (GRBs). The Livermore Optical Transient Imaging System (LOTIS) has been conducting a fully automated search for...
Preece, R. D., Briggs, M. S., Mallozzi, R. S., Pendleton, G. N., Paciesas, W. S., Band, D. L.
This is the first in a series of gamma-ray burst spectroscopy catalogs from the Burst And Transient Source Experiment (BATSE) on the Compton Gamma Ray Observatory, each covering a different aspect of...
Observations of GRB 990123 by the Compton Gamma-Ray Observatory (1999)
Briggs, M. S., Band, D. L., Kippen, R. M., Preece, R. D., Kouveliotou, C., Van Paradijs, J., ...
GRB 990123 was the first burst from which simultaneous optical, X-ray and gamma-ray emission was detected; its afterglow has been followed by an extensive set of radio, optical and X-ray...
LOTIS Search for Early Time Optical Afterglows: GRB 971227 (1999)
Williams, G. G., Park, H. S., Ables, E., Band, D. L., Barthelmy, S. D., Bionta, R., ...
We report on the very early time search for an optical afterglow from GRB 971227 with the Livermore Optical Transient Imaging System (LOTIS). LOTIS began imaging the `Original' BATSE error box of GRB...
Analysis of Line Candidates in Gamma-Ray Bursts Observed by BATSE (1999)
Briggs, M. S., Band, D. L., Preece, R. D., Paciesas, W. S., Pendleton, G. N.
A comprehensive search of BATSE Spectroscopy Detector data from 117 GRBs has uncovered 13 statistically significant line candidates. The case of a candidate in GRB 930916 is discussed. In the data of...
Observations of GRB 990123 by the Compton gamma ray observatory (1999)
Briggs, M.S., Band, D.L., Kippen, R.M., Preece, R.D., Kouveliotou, C., Paradijs, J.A. Van, ...
GRB 990123 was the first burst from which simultaneous optical, X-ray, and gamma-ray emission was detected; its afterglow has been followed by an extensive set of radio, optical, and X-ray...
Spectral Hardness Decay with Respect to Fluence in BATSE Gamma-Ray Bursts (1998)
Crider, A., Liang, E. P., Preece, R. D., Briggs, M. S., Pendleton, G. N., Paciesas, W. S., ...
We have analyzed the evolution of the spectral hardness parameter Epk as a function of fluence in gamma-ray bursts. We fit 41 pulses within 26 bursts with the trend reported by Liang & Kargatis...
The Synchrotron Shock Model Confronts a `Line of Death' in the BATSE Gamma-Ray Burst Data (1998)
Preece, R. D., Briggs, M. S., Mallozzi, R. S., Pendleton, G. N., Paciesas, W. S., Band, D. L.
The synchrotron shock model (SSM) for gamma-ray burst emission makes a testable prediction: that the observed low-energy power-law photon number spectral index cannot exceed -2/3 (where the photon...
Observation of Cen A by the Rossi X-ray Timing Explorer (1998)
Rothschild, R. E., Band, D. L., Blanco, P. R., Gruber, D. E., Heindl, W. A., MacDonald, D. R., ...
The Rossi X-ray Timing Explorer made a short (10 ks) observation of the radio galaxy Centaurus A on 14 August 1996. Analysis of the combined 2.5-240 keV spectrum has revealed a heavily...
Band, D. L., Hartmann, D. H., Schaefer, B. E.
With the discovery that the afterglows after some bursts are coincident with faint galaxies, the search for host galaxies is no longer a test of whether bursts are cosmological, but rather a test of...
BATSE Evidence for GRB Spectral Features (1997)
Briggs, M. S., Band, D. L., Preece, R. D., Pendleton, G. N., Paciesas, W. S., Matteson, J. L.
We have developed an automatic search procedure to identify low-energy spectral features in GRBs. We have searched 133,000 spectra from 117 bright bursts and have identified 12 candidate features...
Super-LOTIS: A High-Sensitive Optical Counterpart Search Experiment (1997)
Park, H. S., Ables, E., Band, D. L., Barthelmy, S. D., Bionta, R. M., Butterworth, P. S., ...
We are constructing a 0.6 meter telescope system to search for early time gamma-ray burst(GRB) optical counterparts. Super-LOTIS (Super-Livermore Optical Transient Imaging System) is an automated...
BATSE Observations of Gamma-Ray Burst Spectra. IV. Time-Resolved High-Energy Spectroscopy (1997)
Preece, R. D., Pendleton, G. N., Briggs, M. S., Mallozzi, R. S., Paciesas, W. S., Band, D. L., ...
We report on the temporal behavior of the high-energy power law continuum component of gamma-ray burst spectra with data obtained by the Burst and Transient Source Experiment. We have selected 126...
First Year Results From LOTIS (1997)
Williams, G. G., Park, H. S., Ables, E., Band, D. L., Barthelmy, S. D., Bionta, R., ...
LOTIS (Livermore Optical Transient Imaging System) is a gamma-ray burst optical counterpart search experiment located near Lawrence Livermore National Laboratory in California. The system is linked...
New Constraints on Simultaneous Optical Emission From GRBs Measured by the LOTIS Experiment (1997)
Park, H. S., Williams, G. G., Ables, E., Band, D. L., Barthelmy, S. D., Bionta, R., ...
LOTIS is a gamma-ray burst optical counterpart search experiment located near Lawrence Livermore National Laboratory in California. Since operations began in October 1996, LOTIS has responded to five...
BATSE Gamma-Ray Burst Line Search: V. Probability of Detecting a Line in a Burst (1997)
Band, D. L., Ford, L. A., Matteson, J. L., Briggs, M. S., Paciesas, W. S., Pendleton, G. N., ...
The physical importance of the apparent discrepancy between the detections by pre-BATSE missions of absorption lines in gamma-ray burst spectra and the absence of a BATSE line detection necessitates...
Possible Evidence for Relativistic Shocks in Gamma-Ray Bursts (1997)
Cohen, E., Katz, J. I., Piran, T., Sari, R., Preece, R. D., Band, D. L.
Relativistic shock models of gamma-ray bursts may be tested by comparison of their predicted low energy asymptotic spectral indices s to observations. Synchrotron radiation theory predicts that the...
Real-Time Optical Flux Limits From Gamma-Ray Bursts Measured By The GROCSE Experiment (1997)
Park, H. S., Ables, E., Band, D. L., Barthelmy, S. D., Bionta, R. M., Butterworth, P. S., ...
The Gamma-Ray Optical Counterpart Search Experiment (GROCSE) presents new experimental upper limits on the optical flux from gamma-ray bursts (GRBs). Our experiment consisted of a fully-automated...
Evolution of the Low-Energy Photon Spectra in Gamma-Ray Bursts (1996)
Crider, A., Liang, E. P., Smith, I. A., Preece, R. D., Briggs, M. S., Pendleton, G. N., ...
We report evidence that the asymptotic low-energy power law slope alpha (below the spectral break) of BATSE gamma-ray burst photon spectra evolves with time rather than remaining constant. We find a...
BATSE SD Observations of Hercules X-1 (1996)
Freeman, P. E., Lamb, D. Q., Wilson, R. B., Briggs, M. S., Paciesas, W. S., Preece, R. D., ...
The cyclotron line in the spectrum of the accretion-powered pulsar Her X-1 offers an opportunity to assess the ability of the BATSE Spectroscopy Detectors (SDs) to detect lines like those seen in...
BATSE Gamma-Ray Burst Line Search: IV. Line Candidates from the Visual Search (1995)
Band, D. L., Ryder, S., Ford, L. A., Matteson, J. L., Palmer, D. M., Teegarden, B. J., ...
We evaluate the significance of the line candidates identified by a visual search of burst spectra from BATSE's Spectroscopy Detectors. None of the candidates satisfy our detection criteria: an...
BATSE Gamma-Ray Burst Line Search: III. Line Detectability (1995)
Band, D. L., Ford, L. A., Matteson, J. L., Briggs, M. S., Paciesas, W. S., Pendleton, G. N., ...
We evaluate the ability of the BATSE spectroscopy detectors to detect the absorption lines observed by Ginga in gamma ray burst spectra. We find that BATSE can detect the 20.6 keV line in the S1...
Ford, L. A., Band, D. L., Matteson, J. L., Briggs, M. S., Pendleton, G. N., Preece, R. D., ...
We investigate spectral evolution in 37 bright, long gamma-ray bursts observed with the BATSE Spectroscopy Detectors. High resolution spectra are characterized by the energy of the peak of \nfn~and...
BATSE Gamma-Ray Burst Line Search: II. Bayesian Consistency Methodology (1994)
Band, D. L., Ford, L. A., Matteson, J. L., Briggs, M., Paciesas, W., Pendleton, G., ...
We describe a Bayesian methodology to evaluate the consistency between the reported Ginga and BATSE detections of absorption features in gamma ray burst spectra. Currently no features have been...