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Re: interpolating flux [message #82938 is a reply to message #82936]

Wed, 23 January 2013 08:15

Craig Markwardt
Messages: 1869
Registered: November 1996

Senior Member

On Wednesday, January 23, 2013 7:06:51 AM UTC-5, idlhelp wrote:
> Dear All,
>
> I have two black body spectra at different temperature i.e at 5000K and 5200K. Does anyone know How I can interpolate the flux of black body spectra between 5000K 5200K at a step of 50K.

If it's a true black body spectrum, then consider that the spectrum can be computed exactly without interpolation.
http://en.wikipedia.org/wiki/Planck%27s_law

If you really want to use interpolation, I would recommend computing the ALOG10(flux) of your gridded spectra, interpolating those log-values, then converting back to flux.

Craig

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[Message index]

		Re: interpolating flux By: Russell Ryan on Thu, 24 January 2013 11:41
		Re: interpolating flux By: Matthew on Wed, 23 January 2013 13:54
		Re: interpolating flux By: Matthew on Wed, 23 January 2013 13:49
		Re: interpolating flux By: abc on Wed, 23 January 2013 12:27
		Re: interpolating flux By: abc on Wed, 23 January 2013 12:26
		Re: interpolating flux By: Jeremy Bailin on Wed, 23 January 2013 08:44
		Re: interpolating flux By: Craig Markwardt on Wed, 23 January 2013 08:15

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