Integrated spectral evolution of Galactic open clusters

Details Integrated spectral evolution of Galactic open clusters Integrated spectral evolution of Galactic open clusters

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002mnras.335..233p&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 335, Issue 1, pp. 233-240.

Astronomy and Astrophysics

Astronomy

20

Techniques: Spectroscopic, Open Cluster And Associations: General, Galaxies: Individual: Milky Way, Galaxies: Star Clusters

Scientific paper

We present a library of 47 open-cluster integrated spectra, mostly obtained at CASLEO (San Juan, Argentina) in the range 3600 < λ < 7400 Å, which are made available at CDS. The data are combined with previous spectra to obtain 10 high signal-to-noise ratio basic templates in the young and intermediate-age domains, which are also provided in the library. These Galactic disc templates represent the increased time resolution spectral evolution of a stellar population unit around the Solar metallicity level. The improved signal-to-noise ratio of the present templates with respect to previous template lists, together with their increased time resolution, allowed us to improve the fundamental parameters of some open clusters. The present spectral library will be useful for several astrophysical applications, particularly for population syntheses of star-forming giant galaxies.

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