How Accurately can we Determine Stellar Parameters? The Case of T_{eff} in Cool Stars.

Details How Accurately can we Determine Stellar Parameters? The Case of T_{eff} in Cool Stars. How Accurately can we Determine Stellar Parameters? The Case of T_{eff} in Cool Stars.

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aspc..384..221g&link_type=abstract

14th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun ASP Conference Series, Vol. 384, proceedings of the conferen

Physics

1

Scientific paper

The determination of stellar effective temperature is one of the most crucial items, when turning to investigate stellar evolution and element abundances. We address the question of how accurately this parameter can be determined from the view of model uncertainties.
We conclude that it is not possible to assign a single value of model dependent error to each method of T_{eff} determination. It is nevertheless obvious that error bars smaller than 75 K are unlikely.

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