MIPSGAL - 24 μm Point Source Extraction.

Details MIPSGAL - 24 μm Point Source Extraction. MIPSGAL - 24 μm Point Source Extraction.

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...208.7501s&link_type=abstract

American Astronomical Society, AAS Meeting #208, #75.01

Astronomy and Astrophysics

Astronomy

Scientific paper

MIPSGAL is a survey of the Galactic plane at 24 and 70 μm using MIPS onboard the Spitzer Space Telescope. The survey covers 220 deg2 of the inner Galactic plane spanning two regions, 100 < l < 620 and 2980 > l > 3500 with a latitude range of |b| < 10. The main goals of this survey are to study high mass star formation in the Galactic disc, study the distribution and processing of interstellar dust and provide a uniform, high angular resolution dataset to the astronomical community. Here we describe the details of the 24 μm point source extraction method and some of the quality assurance tests we employ. We use the MOPEX package provided by the Spitzer Science Center for mosaicing, point source extraction and generation of point source subtracted images. We describe modifications that we have made to the default processing method to reliably extract sources in the crowded fields, as well as regions of highly variable background emission, of the Galactic plane imaged in our survey. We will present a preliminary assessment of the quality of the source extractions including an assessment of the completeness and reliability.

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