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Re: IDL for planetary photometry [message #71121]

Wed, 02 June 2010 09:48

spacermase
Messages: 13
Registered: June 2010

Junior Member

On Jun 2, 12:13 pm, pp <pp.pente...@gmail.com> wrote:
> I could be missing something, but it seems that all you need is to add
> the flux of every pixel containing the object. Since there is no
> atmosphere in the way, there is no sky flux being added together. They
> are usually observed nicely isolated, with nothing around them to
> contaminate their flux. Then if you want absolute magnitudes, you
> could just take the ratios of those fluxes to those of some standard
> star observed by the same instrument (Cassini does occasionally look
> at stars, for photometric and pointing calibration).

Oh, right. Duh. Why didn't I think of that? Too used to ground based
observations, I suppose...

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		Re: IDL for planetary photometry By: spacermase on Wed, 02 June 2010 09:48
		Re: IDL for planetary photometry By: penteado on Wed, 02 June 2010 09:13

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