Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21545524m&link_type=abstract
American Astronomical Society, AAS Meeting #215, #455.24; Bulletin of the American Astronomical Society, Vol. 42, p.476
Astronomy and Astrophysics
Astronomy
Scientific paper
In studies of unresolved stellar populations, age and metallicity are often the two most sought after quantities of interest. By comparing the stellar absorption features of unresolved systems to those of the Lick standard stars, ages and metallicities of the underlying stellar populations can be determined. However, care must be taken in calibrating spectra to the Lick system, as the original Lick spectra were not flux calibrated. In order to properly calibrate unresolved spectra, it is necessary to observe many of the original Lick standard stars and derive offsets to the standard system. This project has collected and reduced all available Lick observations performed with the Gemini Multi-Object Spectrograph (GMOS). In addition, a new online database is being developed, in which the derived offsets and reduced spectra will eventually be available for download.
Miller Bryan
Mirocha Jordan
Trancho Gelys
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