Computer Science – Performance
Scientific paper
Dec 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aspc..344..242k&link_type=abstract
The Cool Universe: Observing Cosmic Dawn, ASP Conference Series, Vol. 344, Proceedings of the conference held 4-8 October, 2004
Computer Science
Performance
20
Scientific paper
The Atacama Submillimeter Telescope Experiment (ASTE) is a joint project between Japan and Chile to install and operate a high-precision, 10 m telescope in the Atacama desert for exploration of the southern sky in the sub-millimeter. Currently, we have achieved a main reflector surface accuracy of 19 μm (RMS) and a pointing accuracy of 1.2 arcsec (RMS). A new 350 GHz cartridge-type receiver, installed in September 2004, shows good performance, with a typical system noise temperature of 200 K (DSB (Double Sideband)) and a main beam efficiency of up to 0.8 during winter nights. Four banks of 512 MHz (or 128 MHz) width digital spectrometers with 1024 channels are available. Extensive sub-millimeter observations of various objects such as massive star forming regions in our Galaxy have been started with ASTE.
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