B Fundamental Constants

In all programs of the Tübingen NLTE Model-Atmosphere Package (TMAP) the values of the fundamental constants are the same. They are summarized in Tab. 3.

Table 3: Fundamental constants used in TMAP constant value dimension name c 2. 99792458 ×10+10 cm s-1 velocity of light e 4. 80320425 ×10-10 esu electron charge Fo 1. 25 ×10-09 esu Holtsmark normal field strength h 6. 62606957 ×10-27 erg s Planck constant k 1. 3806488 ×10-16 erg K-1 Boltzmann constant me 9. 10938291 ×10-28 g electron mass mp 1. 6726217776 ×10-24 g proton mass R 109737. 31568539 cm-1 Rydberg constant 4 × arctan 1