Libraries of synthetic stellar spectra – or are we building palaces upon sand?
نویسندگان
چکیده
منابع مشابه
New high resolution synthetic stellar libraries for the Gaia Mission
High resolution synthetic stellar libraries are of fundamental importance for the preparation of the Gaia Mission. We present new sets of spectral stellar libraries covering two spectral ranges: 300 –1100 nm at 0.1 nm resolution, and 840 – 890 nm at 0.001 nm resolution. These libraries span a large range in atmospheric parameters, from super-metalrich to very metal-poor (-5.0 <[Fe/H]<+1.0), fro...
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متن کاملAutomated analysis of stellar spectra
Classical model-atmosphere analyses of stellar spectra usually begin by measuring equivalent widths, and then proceed into a loop in which 1) model spectra are calculated for a set of abundances and atmospheric parameters, and 2) observed and computed spectra are compared and corrections to the abundances and parameters are inferred. Automated techniques have been developed to automate the meas...
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ژورنال
عنوان ژورنال: Proceedings of the International Astronomical Union
سال: 2006
ISSN: 1743-9213,1743-9221
DOI: 10.1017/s1743921307007429