We would need to see the NDF to investigate why ndf2fits does not
convert the wavelength information correctly.
David
2008/10/14 Timur Sahin <[log in to unmask]>:
> Here is the another piece of problem.
>
> I do the wavelength calibration in Echomop and save the file as an NDF file
> (with sdf extention). So I have a reduced and extracted spectrum in hand. I
> need to process this ndf file in IRAF for continuum normalization. For this
> aim, I converted the ndf file into fits via ndf2fits and ndf2iraf (I tried
> both and compared the results). However, it is not possible to see
> wavelength info. in the converted fits file. You can see the echelle orders
> in pixels not in wavelengths and when I go back to original NDF file and
> check whether wavelength data is present, I have seen that there is nothing
> wrong with NDF file. So something happens during this convertion and
> wavelength data is not being translated to IRAF. Any help would be greatly
> appreciated.
>
> Tim.
>
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