The RETICON spectrophotometer of the Merate Observatory

Details The RETICON spectrophotometer of the Merate Observatory The RETICON spectrophotometer of the Merate Observatory

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...189..349b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 189, no. 1-2, Jan. 1988, p. 349-352.

Astronomy and Astrophysics

Astrophysics

2

Astronomical Observatories, Spectrophotometers, Astronomical Spectroscopy, Microcomputers, Quantum Efficiency, Signal To Noise Ratios, Symbiotic Stars

Scientific paper

The basic design of the Reticon spectrophotometer developed at the Merate Astrophysical Observatory is described, and technical solutions for minimizing the noise figure are proposed. Examples of astronomical results obtained with the system attached to the Boller and Chivens spectrograph of the 182-cm telescope at the Asiago Observatory are given. From observations of standard stars, a total efficiency measured at 5000 A of 2.5 percent is found. In the 11,000 A region, the system is shown to be more efficient than other conventional detectors whose sensitivity shows a drop-off at wavelengths longer than 9000 A.

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