A Nasmyth combined imager and low-resolution spectrograph

Details A Nasmyth combined imager and low-resolution spectrograph A Nasmyth combined imager and low-resolution spectrograph

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993pasp..105..315r&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 105, no. 685, p. 315-318.

Physics

Optics

3

Astronomical Spectroscopy, Image Processing, Spectrographs, Astronomical Observatories, Display Devices, Telescopes

Scientific paper

A Nasmyth-mounted combined imaging system and low-resolution spectrograph recently constructed for the 2.3-m alt-az telescope operated by the Mount Stromlo and Siding Spring Observatories is described. The instrument is in modular form, has a telecentric section for uniform interference filter field response, a collimated beam section, and a camera operated at f/3.6. The camera scale is 24.8 arcsec/mm and accepts without vignetting the total 6.6 arcmin field of the telescope. The system optics have been optimized for achromaticity over the wavelength range 3000-11,000 A.

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