First results from the SDSS Supernova Survey

Details First results from the SDSS Supernova Survey First results from the SDSS Supernova Survey

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...20511404l&link_type=abstract

American Astronomical Society Meeting 205, #114.04; Bulletin of the American Astronomical Society, Vol. 37, p.374

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Scientific paper

The SDSS Supernova Survey is a proposed optical survey to discover supernovae of type Ia (SN Ia) in the redshift range of z 0.1 to z<0.3. Data acquisition is intended to take place in the fall period of 2005, 2006 and 2007 and an additional feasibility study already carried out in 2004. The final survey will cover a region of approx. 200 sq. degrees along the celestial equator in imaging using the well calibrated and understood SDSS 2.5m telescope. Dedicated spectroscopic follow up observations will be carried out on the ARC 3.5m, the HET and various other telescopes to determine the type and the redshift of the supernovae. The complete survey is projected to discover approximately 200 SN Ia with well measured lightcurves.
The feasibility study carried out in October and November 2004 resulted in 11 useful nights of imaging data under various sky conditions and covered a field of view of approx 100 sq. degrees. The imaging data has been reduced and visually inspected usually within 48 hours to allow for fast spectroscopic follow up observations. So far more than 10 SN Ia have been identified spectroscopically by using the ARC 3.5m telescope and the HET. In addition several SN of various other types have been discovered. The poster will give an outline of the search strategy and will present preliminary lightcurves and spectra of the newly discovered supernova.
Funding for the Sloan Digital Sky Survey (SDSS) has been provided by the Alfred P. Sloan Foundation, the Participating Institutions, the National Aeronautics and Space Administration, the National Science Foundation, the U.S. Department of Energy, the Japanese Monbukagakusho, and the Max Planck Society.

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