Spectroscopy to the atmospheric transmission limit with a coated GEC CCD

Details Spectroscopy to the atmospheric transmission limit with a coated GEC CCD Spectroscopy to the atmospheric transmission limit with a coated GEC CCD

Dec 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...153l...1c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 153, no. 1, Dec. 1985, p. L1-L3.

Astronomy and Astrophysics

Astrophysics

11

Charge Coupled Devices, Planetary Nebulae, Seyfert Galaxies, Ultraviolet Spectroscopy, Coatings, Fluorescence, Galactic Nuclei, Quantum Efficiency, Ultraviolet Spectra

Scientific paper

The average responsive quantum efficiency of GEC/EEV P8603A front-illuminated epitaxial CCDs has been increased to ≅26% in the spectral range 300 - 400 nm by coating the surface of the chips with a fluorescent plastic film. The composition of the dye mixture and the method of application are given. One of these coated chips has been successfully used with a Boller & Chivens spectrograph mounted on the 2.2 m telescope at La Silla. The system efficiency was 1 photon/sec/Å for a star of m320 = 13 and m350 = 13.9 respectively. Calibrated spectra of the nucleus of the Seyfert galaxy NGC 3783 and of the central star of the planetary nebula NGC 5882 are presented.

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