Stellar photometry with big pixels

Details Stellar photometry with big pixels Stellar photometry with big pixels

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989pasp..101..294b&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 101, March 1989, p. 294-301. Research supported by the

Astronomy and Astrophysics

Astronomy

63

Image Processing, Pixels, Stellar Spectrophotometry, Charge Coupled Devices, Integral Equations, Star Distribution, Stellar Magnitude

Scientific paper

A new software for stellar photometry in crowded fields is presented. This software overcomes the limitations present in a traditional package like ROMAFOT when the pixel size of the detector is comparable to the scale length of point images. This is the case, for instance, with the Hubble Space Telescope-Wide Field Camera and, partially, with the Planetary Camera. The 'numerical' solution presented here is compared to the 'technical' solution of obtaining more exposures of the same field, each shifted by a fraction of pixel. This software will be available in MIDAS.

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