A CCD spectrograph for the University of Toronto Southern Observatory in Chile

Details A CCD spectrograph for the University of Toronto Southern Observatory in Chile A CCD spectrograph for the University of Toronto Southern Observatory in Chile

Jun 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jrasc..87..151g&link_type=abstract

Journal of the Royal Astronomical Society of Canada (ISSN 0035-872X), vol. 87, no. 3, p. 151-160.

Computer Science

Performance

Astronomical Spectroscopy, Charge Coupled Devices, Space Observations (From Earth), Spectrographs, Astronomical Observatories, Cryogenic Equipment, Performance Tests

Scientific paper

A low-noise, glycol-cooled CCD has been installed on one of the Garrison classification spectrographs and tested using the 61-cm Helen Sawyer Hogg telescope of the University of Toronto Southern Observatory (UTSO) on Las Campanas in Chile. The spectrograph is small and would not be able to support the large liquid-nitrogen dewar used for the UTSO direct-imaging system. Operated in the MPP mode, the PM512 CCD has such low dark current that it can function successfully at -46 C, thus avoiding the need for a large dewar on the end of the spectrograph.

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