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ADDING THE GLAST GAMMA-RAY BURST MONITOR TO THE 3 rd INTERPLANETARY NETWORK

ADDING THE GLAST GAMMA-RAY BURST MONITOR TO THE 3 rd INTERPLANETARY NETWORK. Kevin Hurley UC Berkeley Space Sciences Laboratory Berkeley, CA. AGILE. IPN, ~arcminutes. THE GLAST GRBM. 200 bursts/year

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ADDING THE GLAST GAMMA-RAY BURST MONITOR TO THE 3 rd INTERPLANETARY NETWORK

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  1. ADDING THE GLAST GAMMA-RAY BURST MONITOR TO THE 3rd INTERPLANETARY NETWORK Kevin Hurley UC Berkeley Space Sciences Laboratory Berkeley, CA AGILE

  2. IPN, ~arcminutes THE GLAST GRBM • 200 bursts/year • Threshold sensitivity 0.35 photons cm-2 s-1 for untriggered events (cf. BATSE untriggered threshold ~0.1 photons cm-2 s-1) • Location accuracies: • ~8º onboard, real-time • ~5º, near real-time • ~3º after manual intervention

  3. A QUICK REVIEW OF IPN – BATSE RESULTS • 919 BATSE GRBs observed and localized by the IPN, + • many SGR bursts • Data used to refine the BATSE localization error model • (Pendleton et al. 1999) • IPN Results published in four catalogs

  4. THE 3rd INTERPLANETARY NETWORK IN 2007 • Mars Odyssey, Ulysses, Wind, MESSENGER, Suzaku, INTEGRAL, RHESSI, Swift , + AGILE, GLAST, and a possible Space Station experiment

  5. GLAST THRESHOLD (0.35, UNTRIGGERED) IPN EFFICIENCY ~32% IPN EFFICIENCY (FLUX UNITS)

  6. GRBM + 1 DISTANT IPN SPACECRAFT GRBM + 2 OR MORE SPACECRAFT REDUCTION IN AREA X 30 - 100 REDUCTION IN AREA 3 – 4 ORDERS OF MAG.

  7. IPN ANNULUS 18 GeV PHOTON COMPTEL EGRET GRB LOCALIZATION EVEN A SINGLE IPN ANNULUS CAN MAKE A DIFFERENCE

  8. UTILISATION OF GLAST & IPN LOCALIZATIONS • REFINING THE GRBM LOCALIZATION UNCERTAINTY • LAT OBSERVATIONS OF GRBM ERROR BOXES • AMANDA, ICE CUBE, RICE, ANITA ν OBSERVATIONS • MILAGRO SEARCHES FOR VHE EMISSION • LIGO • SWIFT ToO OBSERVATIONS

  9. SUMMARY • GRBM WILL BE THE 28th EXPERIMENT TO JOIN THE 3rd IPN SINCE 1990 • IPN/GRBM PERFORMANCE CAN BE PREDICTED BASED ON BATSE RESULTS • GRBM ERROR BOXES CAN BE SUBSTANTIALLY IMPROVED FOR ~70 GRBs/YEAR • IPN/GRBM LOCALIZATIONS CAN BE USED BY A WIDE COMMUNITY

  10. AGILE

  11. IPN EFFICIENCY (FLUENCE UNITS)

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