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SPECTRUM v3 - Examples
Click on the heading to see the v3 input file. The v1 equivalent is also given.
Hydrogen line profiles and equivalent widths v1 Elemental abundances from line equivalent widths v1 Synthetic spectra over substantial wavelength intervals v1 Synthetic spectra with modified abundances and microturbulent velocity
This is the state of the art option (which usually means it is the most bug-ridden), and is comparatively liable to be upgraded, debugged and generally messed around. For a given model atmosphere, the user may either define a new wavelength grid, given a linelist, or may use a previously defined wavelength grid and linelist. In the original version (MODE=10) the newly-generated grid assumes solar abundances for all species. These can be modified in the stored grid for subsequent use. This grid can also be edited to compute spectra for multiples sets of abundances, but the i/o preparation is done line by line. With MODE=11, the abundances of all species can be defined when the grid is setup (solar values are still the default). The wavelength grid definition is sufficiently improved (and computers are now so much faster) that I generally always set up a new grid each time and the following dialogue is pretty well standard. WARNING: MODE=10 and the practice of saving the wavelength grid and linelist for manual editing is obsolete.
v1 Synthetic spectra and specific intensities v1