[AstroPy] got centroid?
Kathleen Labrie
klabrie at gemini.edu
Fri Apr 13 16:18:28 EDT 2012
Hi Warren,
Is this function also providing flux estimates and fwhm measurements?
Kathleen
On Apr 13, 2012, at 5:19 AM, Warren J. Hack wrote:
> Wolfgang,
>
> There is a star-finding routine in the soon-to-be-officially-released
> drizzlepac package available from STScI. This routine can be run on its
> own (it is all in Python after all), but a stand-alone interface to run
> just the star finding has not been documented yet. It is just a single
> function call that requires a numpy array of the image and a few
> numerical parameters and I can point you to examples where it is run
> within a larger task if you contact me directly. Anyone familiar with
> DAOFIND from IRAF will be able to use this code easily. If you want to
> check it out, you can get this code in pre-release beta form (in binary
> for Mac or source for other platforms) from:
>
> http://stsdas.stsci.edu/irafx
>
> We have found that it can provide RMS on point sources of <0.1 pixels
> (and seen 0.03 pix RMS in some cases), but your mileage may vary.
>
> Warren Hack
> Science Software Branch
> STScI
>
>> Hey all,
>>
>> I just wanted to know if anyone has a quick and smart centroid script in any of the python libraries (easily installable). Even better would be star finding algorithms like sextractor.
>>
>> Cheers
>> Wolfgang
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