Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20915024g&link_type=abstract
2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #150.24; Bulletin of the American Astronomical Society,
Astronomy and Astrophysics
Astronomy
Scientific paper
Since first light in 1997, the robotic Katzman Automatic Imaging Telescope (KAIT) on Mount Hamilton in San Jose, CA, has successfully found over 500 low-z supernovae (SNe). In conjunction to finding SNe, KAIT has also provided a means to amass a database of follow-up photometry for over 200 SNe in UBVRI bands with excellent (typically 2-6 days between observations) temporal coverage. With this wealth of data was the need for software to reduce the raw observation images into light curves. We present the results of the photometry pipeline which was written to automatically reduce KAIT data. The pipeline performs image registration, galaxy subtraction using a template image without the presence of the SN, and Point Spread Function fitting photometry to produce meaningful magnitudes with minimal human interaction. The KAIT pipeline has successfully been run on over 180 SNe with follow-up photometry and will provide the machinery for reductions of future SNe photometry data. We present the light curves and an initial analysis of the results from our pipeline.
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