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Medium-resolution Isaac Newton Telescope library of empirical spectra



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Sánchez Blázquez, Patricia and Peletier, R. F. and Jiménez Vicente, J. and Cardiel López, Nicolás and Cenarro, A. J. and Falcón Barroso, J. and Gorgas García, Francisco Javier and Selam, S. and Vazdekis, A. (2006) Medium-resolution Isaac Newton Telescope library of empirical spectra. Monthly notices of the Royal Astronomical Society, 371 (2). pp. 703-718. ISSN 0035-8711

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Official URL: http://dx.doi.org/10.1111/j.1365-2966.2006.10699.x


A new stellar library developed for stellar population synthesis modelling is presented. The library consists of 985 stars spanning a large range in atmospheric parameters. The spectra were obtained at the 2.5-m Isaac Newton Telescope and cover the range λλ 3525–7500 Å at 2.3 Å (full width at half-maximum) spectral resolution. The spectral resolution, spectral-type coverage, flux-calibration accuracy and number of stars represent a substantial improvement over previous libraries used in population-synthesis models.

Item Type:Article
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This article has been accepted for publication in Monthly notices of the Royal Astronomical Society. © 2006 The Authors. Journal compilation © 2006 RAS. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved. We are indebted to the referee, Guy Worthey, for noting the presence of scattered light in the first version of the library. We would also like to thank Scott C. Trager for the careful reading of this manuscript and for his very useful comments and to Ricardo Schiavon for helping us find references to correct the spectra for atmospheric extinction. This paper is based on observations obtained at the Isaac Newton Telescope, operated by the Isaac Newton Group in the Spanish Observatorio del Roque de los Muchachos of the Instituto de Astrofísica de Canarias. This work was supported by the Spanish research project AYA2003-01840. This work has made extensive use of the SIMBAD data base. We are grateful to the ASTRON-PC and CAT for generous allocation of telescope time. AV is a Ramón y Cajal Fellow of the Spanish Ministry of Education and Science. This work has been supported by the Spanish Ministry of Education and Science (grant AYA2004-03059).

Uncontrolled Keywords:Old stellar populations; Early-type galaxies; Absorption-line spectra; Infrared caii triplet; Metal-rich stars; Globular-clusters; K-stars; Spectrophotometric atlas; Interstellar extinction; Abundance analysis
Subjects:Sciences > Physics > Astrophysics
Sciences > Physics > Astronomy
Sciences > Physics > Atmospheric physics
ID Code:29321
Deposited On:26 Mar 2015 12:43
Last Modified:10 Dec 2018 15:05

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