SPIRAL Phase A: A Prototype Integral Field Spectrograph for the AAT

Details SPIRAL Phase A: A Prototype Integral Field Spectrograph for the AAT SPIRAL Phase A: A Prototype Integral Field Spectrograph for the AAT

2000-10-25

arxiv.org/abs/astro-ph/0010529v1

Astronomy and Astrophysics

Astrophysics

41 pages, 15 figures, 3 tables; accepted by PASP

Scientific paper

10.1086/318612

We present details of a prototype fiber feed for use on the Anglo-Australian Telescope (AAT) that uses a dedicated fiber-fed medium/high resolution (R > 10000) visible-band spectrograph to give integral field spectroscopy (IFS) of an extended object. A focal reducer couples light from the telescope to the close-packed lenslet array and fiber feed, allowing the spectrograph be used on other telescopes with the change of a single lens. By considering the properties of the fibers in the design of the spectrograph, an efficient design can be realised, and we present the first scientific results of a prototype spectrograph using a fiber feed with 37 spatial elements, namely the detection of Lithium confirming a brown dwarf candidate and IFS of the supernova remnant SN1987A.

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