The advantages of Gunma Astronomical Observatory

Details The advantages of Gunma Astronomical Observatory The advantages of Gunma Astronomical Observatory

Jun 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aspc..312..540o&link_type=abstract

Third Rome Workshop on Gamma-Ray Bursts in the Afterglow Era ASP Conference Series, Volume 312, Proceedings of the conference he

Astronomy and Astrophysics

Astronomy

Scientific paper

Gunma Astronomical Observatory is designed for both astronomical research and public uses, established in 1999, located at Takayama, Gunma, Japan. Its main telescopes are 150 cm and 65 cm reflectors. Observational instruments available for the 150 cm reflector are a near-infrared camera, an optical CCD camera, and a high resolution spectrograph. A low dispersion spectrograph and optical CCD cameras are available for the 65 cm reflector. In particular, the near-infrared camera with a 1024 × 1024 pixels HgCdTe HAWAII array is always ready for observation. Such a system is quite suitable for observations of sudden appearing objects like GRBs. Since the number of large telescope in East Asia is limited and quick responses for alerts are essentially important for the observations of the gamma ray bursts, our observatory is expected to play a valuable role for the study of those objects which are found at appropriate time and position for Asian countries. We are also equipped with a fully automatic 25 cm telescope named Gunma Experiment of the optical Transient Search (GETS). GETS can start observations as soon as an alert from HETE-2 is received. Its field of view is 26.4 × 26.4 arcmin, pointing accuracy is ˜ 10 arcmin and limiting magnitude is ˜ 16 mag for exposure of 15 seconds.

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