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Title:
An extensive library of 2500 10 500 Å synthetic spectra
Authors:
Munari, U.; Sordo, R.; Castelli, F.; Zwitter, T.
Affiliation:
AA(INAF Osservatorio Astronomico di Padova, via dell'Osservatorio 8, 36012 Asiago (VI), Italy ), AB(INAF Osservatorio Astronomico di Padova, via dell'Osservatorio 8, 36012 Asiago (VI), Italy; Dipartimento di Astronomia, Univ. di Padova, vicolo della Specola 5, 35122 Padova, Italy), AC(INAF - Osservatorio Astronomico di Trieste, Via G.B. Tiepolo 11, 34131 Trieste, Italy), AD(University of Ljubljana, Department of Physics, Jadranska 19, 1000 Ljubljana, Slovenia)
Publication:
Astronomy and Astrophysics, Volume 442, Issue 3, November II 2005, pp.1127-1134 (A&A Homepage)
Publication Date:
11/2005
Origin:
EDP Sciences
Keywords:
astronomical data bases: miscellaneous, stars: atmospheres, stars: fundamental parameters, surveys
DOI:
10.1051/0004-6361:20042490
Bibliographic Code:
2005A&A...442.1127M

Abstract

We present a complete library of synthetic spectra based on Kurucz's codes that covers the 2500 10 500 Å wavelength range at resolving powers R{P}=20 000, 11 500 (≡GAIA), 8500 (≡RAVE), 2000 (≡SLOAN) and uniform dispersions of 1 and 10 Å/pix. The library maps the whole HR diagram, exploring 51 288 combinations of atmospheric parameters spanning the ranges: 3500 ≤ T_eff ≤ 47 500 K, 0.0≤ log g ≤ 5.0 , -2.5 ≤ [M/H] ≤ 0.5, [ α/Fe] = 0.0,+0.4, ξ = 1, 2, 4 km s-1, 0 ≤ V_rot ≤ 500 km s-1. The spectra are available both as absolute fluxes as well as continuum normalized. Performance tests and spectroscopic applications of the library are discussed, including automatic classification of data from spectroscopic surveys like RAVE, SLOAN, GAIA. The entire library of synthetic spectra is accessible via the web.
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