activity
19982005
most citedASCA Observations of GX 354-0 and KS 1731-260

25 citations · 107 across the 17 of their papers we have counts for

collaborators

17 papers

astro-ph2005★ 10 cited

GRAPE - A Balloon-Borne Gamma-Ray Polarimeter Experiment

P. F. Bloser, J. S. Legere, J. R. Macri +3

This paper reviews the development status of GRAPE (the Gamma-Ray Polarimeter Experiment), a hard X-ray Compton Polarimeter. The purpose of GRAPE is to measure the polarization of…

astro-ph2005★ 3 cited

Developing a Compton Polarimeter to Measure Polarization of Hard X-Rays in the 50-300 keV Energy Range

J. S. Legere, P. Bloser, J. R. Macri +3

This paper discusses the latest progress in the development of GRAPE (Gamma-Ray Polarimeter Experiment), a hard X-ray Compton Polarimeter. The purpose of GRAPE is to measure the po…

astro-ph2004★ 9 cited

Multipixel characterization of imaging CZT detectors for hard X-ray imaging and spectroscopy

S. V. Vadawale, J. Hong, J. Grindlay +8

We report our in-depth study of Cd-Zn-Te (CZT) crystals to determine an optimum pixel and guard band configuration for Hard X-ray imaging and spectroscopy. We tested 20x20x5mm crys…

astro-ph2004★ 11 cited

Laboratory coded aperture imaging experiments: radial hole coded masks and depth-sensitive CZT detectors

J. Hong, S. V. Vadawale, M. Zhang +5

The proposed black-hole finder mission EXIST will consist of multiple wide-field hard X-ray coded-aperture telescopes. The high science goals set for the mission require innovation…

astro-ph2004★ 2 cited

EXITE2 Observation of the SIGMA Source GRS 1227+025

J. E. Grindlay, P. F. Bloser, Y. Chou +1

We report the EXITE2 hard X-ray imaging of the sky around 3C273. A 2h observation on May 8, 1997, shows a 260 mCrab source detected at in each of two bands (50-70 an…

astro-ph2003★ 11 cited

Cathode depth sensing in CZT detectors

J. Hong, E. C. Bellm, J. E. Grindlay +1

Measuring the depth of interaction in thick Cadmium-Zinc-Telluride (CZT) detectors allows improved imaging and spectroscopy for hard X-ray imaging above 100 keV. The Energetic X-ra…