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16 papers · 1 filter
Discovery of >350 GeV Gamma Rays from the BL Lacertae Object 1ES 2344+514
M. Catanese, C. W. Akerlof, H. M. Badran +31
We present the discovery of >350 GeV gamma-ray emission from the BL Lacertae object 1ES 2344+514 with the Whipple Observatory 10m gamma-ray telescope. This is the third BL Lac obje…
Singular Integrals Associated to Hypersurfaces: Theory
Stephen Wainger, James Wright, Sarah Ziesler
We consider singular integrals associated to a classical Calderón-Zygmund kernel and a hypersurface given by the graph of where is an arbitrary function and…
A Closed Contour of Integration in Regge Calculus
Danny Birmingham
The analytic structure of the Regge action on a cone in dimensions over a boundary of arbitrary topology is determined in simplicial minisuperspace. The minisuperspace is defin…
Radio and Optical Follow-up Observations and Improved IPN Position of GRB 970111
T. J. Galama, P. J. Groot, R. G. Strom +12
We report on Westerbork 840 MHz, 1.4 and 5 GHz radio observations of the improved IPN-WFC error box of the gamma-ray burst GRB 970111, between 26.4 hours and 120 days after the eve…
Multiwavelength Observations of a Flare from Markarian 501
M. Catanese, S. M. Bradbury, A. C. Breslin +23
We present multiwavelength observations of the BL Lacertae object Markarian 501 (Mrk 501) in 1997 between April 8 and April 19. Evidence of correlated variability is seen in very h…
Three-Dimensional Black Holes and String Theory
D. Birmingham, I. Sachs, S. Sen
The exact decay rate for emission of massless minimally coupled scalar fields by a non-extremal black hole in 2+1 dimensions is obtained. At low energy, the decay rate into scalars…