Search for High-z Afterglow Candidates in the Southern Sky by MOA-II and IRSF Telescopes

Details Search for High-z Afterglow Candidates in the Southern Sky by MOA-II and IRSF Telescopes Search for High-z Afterglow Candidates in the Southern Sky by MOA-II and IRSF Telescopes

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1279..412s&link_type=abstract

DECIPHERING THE ANCIENT UNIVERSE WITH GAMMA-RAY BURSTS. AIP Conference Proceedings, Volume 1279, pp. 412-414 (2010).

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Gamma-Ray Sources (Astronomical), Telescopes, Redshift, Photometry, Gamma-Ray Sources, Gamma-Ray Bursts, Space-Based Ultraviolet, Optical, And Infrared Telescopes, Distances, Redshifts, Radial Velocities, Spatial Distribution Of Galaxies, Photometric, Polarimetric, And Spectroscopic Instrumentation

Scientific paper

We started a GRB afterglow search program in southern hemisphere by using the MOA-II 1.8 m optical telescope in New Zealand and the IRSF 1.4 m infrared telescope in South Africa. The wide waveband coverage in two telescopes allows to estimate the redshift of afterglow ranging from z = 4 to 16. We installed an automatic event selection system to perform the earliest or deepest observations and to minimize the interference to the regular observation programs in two telescopes. After starting a regular operation in September 2009, we observed 7 GRBs until March 2010. In all cases, we set upper limits for afterglows those are deep or early enough comparing the other observations. Using this system, we expect about 10 GRBs can be observed every year. We also observed a Fermi LAT GRB with a wide field MOA-cam3 camera.

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