Quantitative Stellar Spectral Classification. III. Spectral Resolution

Details Quantitative Stellar Spectral Classification. III. Spectral Resolution Quantitative Stellar Spectral Classification. III. Spectral Resolution

2004-10-22

arxiv.org/abs/astro-ph/0410532v1

Rev.Mex.Astron.Astrofis. 41 (2005) 31-40

Astronomy and Astrophysics

Astrophysics

12 pages, 7 figures embedded, Accepted by RevMexAA

Scientific paper

The method developed by Stock and Stock (1999) to derive absolute magnitudes and intrinsic colors is applied to simulated low-resolution spectra. The simulation is made by convolving real spectra with a Gaussian function, $\sigma$ (the full width at half maximum) related to the final spectral resolution. The accuracy with which the stellar parameters are determined indicates that the method may be applied to typical objective-prism spectra. We show that changes in the spectral resolution do not significantly affect the stellar parameters obtained with this method for early-type stars, whereas for later-type stars an improved approach is necessary.

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