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How to perform a stellar abundance analysis: a general overview<br />

Stellar atmosphere code: from the stellar parameters to the synthetic lines<br />

STELLAR ATMOSPHERE CODE<br />

Stellar atmosphere model + Line formation code<br />

Stellar atm. structure: Te(τ), Ne(τ)<br />

Global SED<br />

-- LTE/NLTE, line blanketing --<br />

Level populations: N ij (τ)<br />

Line profiles + EWs<br />

-- LTE/NLTE --<br />

• ATLAS (Kurucz)<br />

• TLUSTY (Hubeny & Lanz)<br />

• CMFGEN (Hillier)<br />

• FASTWIND (Puls et al.)<br />

• DETAIL/SURFACE<br />

(Buttler & Giddings)

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