An extensive library of 2500-10500 Å synthetic spectra

Authors: U. Munari, R. Sordo, F. Castelli, T. Zwitter

2005 A&A 442 1127


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 RP=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 51288 combinations of atmospheric parameters spanning the ranges: 3500≤ Teff≤47500 K, 0.0≤logg≤ 5.0, -2.5≤[M/H]≤0.5, [α/Fe]=0.0, +0.4, ξ=1,2,4 km/s, 0≤Vrot≤500 km/s. The spectra are available both as absolute fluxes as well as continuum normalized. Foreseen applications of the library are briefly discussed, including automatic classification of data from spectroscopic surveys (like RAVE, SLOAN, GAIA) and calibration of differential photometric indexes. Data distribution and access to the library via dedicated web page are outlined.