Observations of the Large Magellanic Cloud Cepheids in Sloan Filters

Details Observations of the Large Magellanic Cloud Cepheids in Sloan Filters Observations of the Large Magellanic Cloud Cepheids in Sloan Filters

Aug 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008noao.prop..179n&link_type=abstract

NOAO Proposal ID #2008B-0179

Physics

Scientific paper

We propose to observe Large Magellanic Cloud (LMC) Cepheids using the CTIO 0.9m Telescope in Sloan ugriz filters. Our target Cepheids are previously well-known LMC Cepheids with periods ranging from 3 to 100 days. Most of them are located in uncrowded regions of the LMC. The purpose for these observations is to check and validate the zero- points (ZP) of the Cepheid period-luminosity (PL) relation in the Sloan filters derived from a semi-empirical approach. Errors on these semi- empirical ZPs could be as much as 0.5mag. The best way to calibrate these ZPs is empirically. This is important for future distance scale work that will employ the Sloan filters.

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