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| rohit |
04/16/2008 04:35PM (Read 3154 times)
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Status: offline
Registered: 06/01/2006
Posts: 86
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I have been converting dat files into fits files. In the dat files I have two columns, flux and wavelength. The wavelength is in microns. I am able to successfully convert dat into fits but when I use splot, the wavelength label in the x-axis shows it as angstroms.Changing "units" in splot to microns did not help. For example, we have 1.328 microns but it shows up as 1.328E-3 microns on the plot. Please let me know how I could change the wavelength label but nothing else.
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| valdes |
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04/16/2008 04:35PM
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 Status: offline
Registered: 11/11/2005
Posts: 728
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Without any other information the spectrum tasks assume Angstroms. I guess you are using RSPECTEXT to convert your data files to spectrum image files? In this case add the following[code]
hedit <images> CUNIT1 micron add+
[\code]No SPLOT will either show you "Wavelength (microns)" after which you can change units with ":units" or it may show you in Angstroms because the task parameters are set to specify the desired display units.If this doesn't help you please post a header listing of one of your converted images.Yours,
Frank Valdes
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changing "wavelength" label in splot
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