Journal Article

PUCHEROS: a cost-effective solution for high-resolution spectroscopy with small telescopes

L. Vanzi, J. Chacon, K. G. Helminiak, M. Baffico, T. Rivinius, S. Štefl, D. Baade, G. Avila and C. Guirao

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 424, issue 4, pages 2770-2777
Published in print August 2012 | ISSN: 0035-8711
Published online August 2012 | e-ISSN: 1365-2966 | DOI: https://dx.doi.org/10.1111/j.1365-2966.2012.21382.x
PUCHEROS: a cost-effective solution for high-resolution spectroscopy with small telescopes

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Abstract

We present PUCHEROS, the high-resolution echelle spectrograph, developed at the Center of Astro-Engineering of Pontificia Universidad Catolica de Chile to provide an effective tool for research and teaching of astronomy. The instrument is fed by a single-channel optical fibre and it covers the visible range from 390 to 730 nm in one shot, reaching a spectral resolution of about 20 000. In the era of extremely large telescopes our instrument aims to exploit the capabilities offered by small telescopes in a cost-effective way, covering the observing needs of a community of astronomers, in Chile and elsewhere, which do not necessarily need large collecting areas for their research. In particular the instrument is well suited for long-term spectroscopic monitoring of bright variable and transient targets down to a V magnitude of about 10. We describe the instrument and present a number of text case examples of observations obtained during commissioning and early science.

Keywords: instrumentation: spectrographs; binaries: spectroscopic; stars: individual: o Pupis; stars: individual: T Pyxidis; stars: individual: V1200 Cen; novae, cataclysmic variables

Journal Article.  5526 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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