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  • Space Radiation  (2)
  • Astronomy; Space Radiation  (1)
  • Communications and Radar; Astronomy  (1)
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  • 1
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    The BATSE Earth Occultation Catalog of Low Energy Gamma Ray Sources (2002)
    In:  Other Sources
    Details
    Publication Date: 2019-07-18
    Description: The Burst and Transient Source Experiment (BATSE), aboard the Compton Gamma Ray Observatory (CGRO), provided a record of the hard X-ray/low energy gamma ray sky between April 1991 and June 2000. During that time, a catalog of known sources was derived from existing catalogs such as HEAO A-4 (Levine et al. 1984), as well as new transient sources discovered with BATSE and other X-ray monitors operating in the CGRO era. The Earth Occultation Technique (Harmon et al. 2001, astro-ph/0109069) was used to monitor a combination of these sources, mostly galactic, totaling to about 175 objects. The catalog will present the global properties of these sources and their probability of detection (greater than 10 mCrab, 20-100 keV) with BATSE. Systematic errors due to unknown sources or background components are included. Cursory analyses to search for new transients (35-80 mCrab in the 20-100 keV band) and super-orbital periods in known binary sources are also presented. Whole mission light curves and associated data production/analysis tools are being delivered to the High Energy Astrophysics Science Archive Research Center (HEASARC) for public use.
    Keywords: Space Radiation
    Type: AAS/High Energy Astrophysics Division Meeting; Apr 20, 2002 - Apr 23, 2002; Albuquerque, NM; United States
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    The BATSE Earth Occultation Catalog of Low Energy Gamma-Ray Sources (2004)
    In:  Other Sources
    Details
    Publication Date: 2019-07-18
    Description: The Burst and Transient Source Experiment (BATSE),aboard the COmptOn Gamma Ray Observatory (CGRO), provided a record of the hard X-ray/low energy gamma ray sky between April 1991 and June 2000. During that time, a catalog of known sources was derived from existing catalogs such as HEAO A-4 (Levine et al. 19841, as well as new transient sources discovered with RATSE and other X-ray monitors operating in the CGRO era. The Earth Occultation Technique (Harmon et al. 2001, astro-ph/0109069) was used to monitor a combination of these sources, mostly galactic, totaling about 175 objects. The catalog will present the global properties of these sources and their probability of detection (>lO mCrab, 20-100 keV) with BATSE. Systematic errors due to unknown sources or background components are included. Cursory analyses to search for new transients (35-80 mCrab in the 20-100 keV band) and super-orbital periods in known binary sources are also presented. Whole mission light curves and associated data production/analysis tools are being delivered to the HEASARC for public use.
    Keywords: Space Radiation
    Type: 199th AAS Meeting; [2004]; unknown; Unknown|American Astronomical Society; 33; 1496
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    MoonBEAM: A Beyond Earth-Orbit Gamma-Ray Burst Detector for Multi-Messenger Astronomy (2018)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: MoonBEAM is a 12U CubeSat concept of deploying gamma-ray detectors in cislunar space to increase gamma-ray burst detections and improve localization precision with the timing triangulation technique. Such an instrument would probe the extreme processes in cosmic collision of compact objects and facilitate multi-messenger time-domain astronomy to explore the end of explore the end of stellar life cycles and black hole formation.
    Keywords: Communications and Radar; Astronomy
    Type: MSFC-E-DAA-TN62111 , International Fermi Symposium; Oct 14, 2018 - Oct 19, 2018; Baltimore, MD; United States
    Format: application/pdf
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  • 4
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    Fermi GBM Observations of GRB 150101B: A Second Nearby Event with a Short Hard Spike and a Soft Tail (2018)
    In:  CASI
    Details
    Publication Date: 2019-10-26
    Description: In light of the joint multimessenger detection of a binary neutron star merger as the gamma-ray burst GRB 170817A and in gravitational waves as GW170817, we reanalyze the Fermi Gamma-ray Burst Monitor data of one of the closest short gamma-ray bursts (SGRBs): GRB 150101B. We find that this burst is composed of a short hard spike followed by a comparatively long soft tail. This apparent two-component nature is phenomenologically similar to that of GRB 170817A. While GRB 170817A was distinct from the previously known population of SGRBs in terms of its prompt intrinsic energetics, GRB 150101B is not. Despite these differences, GRB 150101B can be modeled as a more on-axis version of GRB 170817A. Identifying a similar signature in two of the closest SGRBs suggests that the soft tail is common, but generally undetectable in more distant events. If so, it will be possible to identify nearby SGRBs from the prompt gamma-ray emission alone, aiding the search for kilonovae.
    Keywords: Astronomy; Space Radiation
    Type: GSFC-E-DAA-TN62154 , Astrophysical Journal Letters (ISSN 2041-8205) (e-ISSN 2041-8213); 863; 2; L34
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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