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There are a total of 23 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
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A Burst Chasing X-ray Polarimeter
Author(s): Hill, Joanne E.; Barthelmy, Scott; Black, J. kevin; Deines-Jones, Philip; Jahoda, Keith; Sakamoto, Takanori; Kaaret, Philip; McConnell, Mark L.; Bloser, Peter F.; Macri, John R.; Legere, Jason S.; Ryan, James M.; Smith, ...
Abstract: Gamma-ray bursts are one of the most powerful explosions in the universe and have been detected out to distances of almost 13 billion light years. The exact origin of these energetic explosions is still unknown but the ...
NASA Center: Goddard Space Flight Center
Publication Year: 2007
Added to NTRS: 2008-11-10
Document ID: 20080040146
"X-Ray Transients in Star-Forming Regions" and "Hard X-Ray Emission from X-Ray Bursters"
Author(s): Halpern, Jules P.; Kaaret, Philip
Abstract: This grant funded work on the analysis of data obtained with the Burst and Transient Experiment (BATSE) on the Compton Gamma-Ray Observatory. The goal of the work was to search for hard x-ray transients in star forming ...
NASA Center: Goddard Space Flight Center
Publication Year: 1999
Added to NTRS: 2008-06-02
Document ID: 19990116845; Report Number: CAL-3158
Monitoring X-Ray Emission from X-Ray Bursters
Author(s): Halpern, Jules P.; Kaaret, Philip
Abstract: The scientific goal of this project was to monitor a selected sample of x-ray bursters using data from the All-Sky Monitor (ASM) on the Rossi X-Ray Timing Explorer together with data from the Burst and Transient Source ...
NASA Center: Goddard Space Flight Center
Publication Year: 1999
Added to NTRS: 2008-06-02
Document ID: 19990047384; Report Number: CAL-3091
Hard X-Ray Emission from X-Ray Bursters
Author(s): Halpern, Jules P.; Kaaret, Philip
Abstract: The scientific goal of this project is to study the hard x-ray emission from x-ray bursters. One target of opportunity observation was made for this investigation during 1997. We obtained 38ks of data on the source ...
NASA Center: Goddard Space Flight Center
Publication Year: 1999
Added to NTRS: 2008-06-02
Document ID: 19990042107; Report Number: CAL-3093
Monitoring X-Ray Emission from X-Ray Bursters
Author(s): Kaaret, Philip
Abstract: The goal of this investigation was to use the All-Sky Monitor on the Rossi X-Ray Timing Explorer (RXTE) in combination with the Burst and Transient Source Experiment on the Compton Gamma-Ray Observatory to simultaneously ...
NASA Center: Goddard Space Flight Center
Publication Year: 1998
Added to NTRS: 2008-06-02
Document ID: 20000021209; Report Number: CAL-3031
Long-Term Hard X-Ray Monitoring of X-Ray Bursters
Author(s): Halpern, Jules P.; Kaaret, Philip
Abstract: The scientific goal of this project was to monitor a selected sample of x-ray bursters using data from the Burst and Transient Source Experiment (BATSE) on the Compton Gamma-Ray Observatory to characterize the hard x-ray ...
NASA Center: Goddard Space Flight Center
Publication Year: 1999
Added to NTRS: 2008-06-02
Document ID: 19990047447; Report Number: CAL-3090
Identifications of Four Integral Sources in the Galactic Plane via CHANDRA Localizations
Author(s): Tomsick, John A.; Chaty, Sylvain; Rodriquez, Jerome; Foschini, Luigi; Walter, Roland; Kaaret, Philip
Abstract: Hard X-ray imaging of the Galactic plane by the INTEGRAL satellite is uncovering large numbers of 20-100 keV "IGR" sources. We present results from Chandra, INTEGRAL, optical, and IR observations of four IGR sources: three ...
NASA Center: Goddard Space Flight Center, Marshall Space Flight Center
Publication Year: 2006
Added to NTRS: 2007-04-20
Document ID: 20070013996
X-RAY OBSERVATIONS OF THE BLACK HOLE TRANSIENT 4U 1630-47 DURING 2 YEARS OF X-RAY ACTIVITY
Author(s): Tomsick, John A.; Corbel, Stephane; Goldwurm, Andrea; Kaaret, Philip
Abstract: The black hole candidate (BHC) X-ray transient 4U 1630-47 continuously produced strong X-ray emission for more than 2 years during its 2002-2004 outburst, which is one of the brightest and longest outbursts ever seen from ...
NASA Center: Goddard Space Flight Center
Publication Year: 2005
Added to NTRS: 2006-08-02
Document ID: 20060011001
Gamma-ray emission from globular clusters. Shock high energy emission from the Be-Star/Pulsar System PSR 1259-63. Echoes in x-ray novae
Author(s): Kaaret, Philip
Abstract: This grant covers work on the Compton phase 3 investigation, 'Shock High Energy Emission from the Be- Star/Pulsar System PSR 1259-63' and cycle 4 investigations 'Diffuse Gamma-Ray Emission at High Latitudes' and 'Echoes in ...
NASA Center: NASA (non Center Specific)
Publication Year: 1995
Added to NTRS: 2005-08-25
Accession Number: 95N24381; Document ID: 19950017961; Report Number: NAS 1.26:197994, NASA-CR-197994
Development of Silicon Microstructures for X-Ray Optics
Author(s): Chen, Andrew; Kaaret, Philip; Miller, Linda
Abstract: The goal of this research program was to develop a novel technique for focusing x-rays based on the optical system of a lobster's eye. A lobster eye employs many closely packed reflecting surfaces arranged within a spherical ...
NASA Center: Jet Propulsion Laboratory
Publication Year: 1997
Added to NTRS: 2005-08-25
Accession Number: 97N72210; Document ID: 19970023706; Report Number: CAL-2630, NAS 1.26:204387, NASA-CR-204387
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