WFPC2 aperture photometry and PSF modelling
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🌌 astro-ph
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aperturephotometryarticlecompetetivecorrectionsdatafittinginvestigation
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Since the WFPC-2 undersamples the PSF, aperture photometry can produce results which are competetive with profile fitting in many situations. This article reports and investigation of aperture corrections using both real data and PSF models.
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