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Proceedings Paper

Astronomical Applications Of The MEPSICRON Photon Detector
Author(s): Claudio Firmani; Leonel Gutierrez; Elfegc Ruiz; GianFranco Bisiacchi; Luis Salas; Francesco Paresce
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Paper Abstract

A 25mm. diameter, S25 photocathode, 10- 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 spec-troscopy with a REOSC echelle spectrograph covering the 3200 - 6600Å 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. We present these results and briefly discuss their implication for fast, high resolution, large area imaging and spectroscopy of very faint astronomical sources.

Paper Details

Date Published: 9 January 1984
PDF: 7 pages
Proc. SPIE 0445, Instrumentation in Astronomy V, (9 January 1984); doi: 10.1117/12.966148
Show Author Affiliations
Claudio Firmani, Universidad Nacional Autonoma de Mexico (Mexico)
Leonel Gutierrez, Universidad Nacional Autonoma de Mexico (Mexico)
Elfegc Ruiz, Universidad Nacional Autonoma de Mexico (Mexico)
GianFranco Bisiacchi, Universidad Nacional Autonoma de Mexico (Mexico)
Luis Salas, Universidad Nacional Autonoma de Mexico (Mexico)
Francesco Paresce, The Johns Hopkins University (United States)


Published in SPIE Proceedings Vol. 0445:
Instrumentation in Astronomy V
Alec Boksenberg; David L. Crawford, Editor(s)

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