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Progress on Model Atmospheres and Line Data
[chapter]
1997
Fundamental Stellar Properties: The Interaction Between Observation and Theory
Preserved Fulltext
I discuss errors in theory and in interpreting observations that are produced by the failure to consider resolution in space, time, and energy. I discuss convection in stellar model atmospheres and in stars. One dimensional convective models can never work well, but the errors in predicted diagnostics for temperature, gravity, and abundances can be calibrated. I discuss the variation of microturbulent velocity with depth, effective temperature, and gravity. These variations must be dealt with
doi:10.1007/978-94-011-5602-8_30
fatcat:7f3tah3ygbdapo5m2lppbtc3gi