Astronomical applications of the MEPSICRON photon detector

Details Astronomical applications of the MEPSICRON photon detector Astronomical applications of the MEPSICRON photon detector

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984spie..445..192f&link_type=abstract

IN: Instrumentation in astronomy V; Proceedings of the Fifth Meeting, London, England, September 7-9, 1983 (A85-25360 10-89). Be

Astronomy and Astrophysics

Astronomy

Astronomical Photometry, Photometers, Quantum Counters, Astronomical Spectroscopy, Fabry-Perot Interferometers, Microchannel Plates, Signal To Noise Ratios, Temporal Resolution

Scientific paper

A 25mm diameter, S25 photocathode, 10 to the 6th pixel position sensitive photomatrix tube has been recently tested at the focus of the 2.12 m telescope of the Observatorio Astronomico Nacional at San Pedro Martir in Baja, California. Direct imaging, high resolution spectroscopy with a REOSC echelle spectrograph covering the 3200 - 6600A range and high resolution spectroscopy with a scanning Fabry-Perot interferometer have been carried out on faint objects. Spectra of 13th to 16th magnitude quasars and galaxies have been observed with the MEPSICRON detector and satisfactory S/N ratios have been achieved in a few minutes exposure. Limiting total count rates, dark noise, linear spatial and time resolution were carefully measured in an astronomical setting. These results are presented and their implication for fast, high resolution, large area imaging and spectroscopy of very faint astronomical sources is discussed.

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