Open Access

Table B.1

Summary of the input spectra used by SOAPv4.

Label Source Type Notes
FTS-QS Observed Disk Center QS
FTS-spot Observed Disk Center Spot umbra
IAG Observed μ-array Quiet Sun only
PHNX PHOENIX Disk Center Synthetic spectrum
TS-LTE MARCS μ-array LTE approximation
TS-NLTE MARCS μ-array NLTE treatment

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