[ ESO ] La Silla

The Danish 1.54-m Telescope
DFOSC Ne-He Atlas

He-Ne Atlas for Selected Grisms

Here are some wavelength calibrated Ne-He spectra for a number of grisms. The wavelength of each line is also shown. The spectra have been taken with both lamps on (i.e. the exposure time for Ne and He is the same. These are the plots presently available:

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