Observing GRBs with the LOFT Wide Field Monitor

Søren Brandt, M. Hernanz, M. Feroci, L. Amati, Alvarez, P. Azzarello, D. Barret, E. Bozzo, Carl Budtz-Jørgensen, R. Campana, A. Castro-Tirado, A. Cros, E. Del Monte, I. Donnarumma, Y. Evangelista, J.L. Galvez Sanchez, D. Götz, Flemming Hansen, J.W. den Herder, Allan HornstrupR. Hudec, D. Karelin, M. van der Klis, S. Korpela, Irfan Kuvvetli, Niels Lund, P. Orleanski, M. Pohl, A. Rachevski, A. Santangelo, S. Schanne, C. Schmid, L. Stella, S. Suchy, C. Tenzer, A. Vacchi, J. Wilms, N. Zampa, J.J.M. in’t Zand, A. Zdziarski

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Abstract

LOFT (Large Observatory For X-ray Timing) is one of the four candidate missions currently under assessment study for the M3 mission in ESAs Cosmic Vision program to be launched in 2024. LOFT will carry two instruments with prime sensitivity in the 2–30 keV range: a 10 m2 class large area detector (LAD) with a <1° collimated field of view and a wide field monitor (WFM) instrument. The WFM is based on the coded mask principle, and 5 camera units will provide coverage of more than 1/3 of the sky. The prime goal of the WFM is to detect transient sources to be observed by the LAD. With its wide field of view and good energy resolution of <500 eV, the WFM will be an excellent instrument for detecting and studying GRBs and X-ray flashes. The WFM will be able to detect ~150 gamma ray bursts per year, and a burst alert system will enable the distribution of ~100 GRB positions per year with a ~1 arcmin location accuracy within 30 s of the burst.
Original languageEnglish
JournalE A S Publications Series
Volume61
Pages (from-to)617-623
ISSN1633-4760
DOIs
Publication statusPublished - 2013

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