Mathematics – Logic
Scientific paper
Dec 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aas...189.9610s&link_type=abstract
American Astronomical Society, 189th AAS Meeting, #96.10; Bulletin of the American Astronomical Society, Vol. 28, p.1400
Mathematics
Logic
Scientific paper
During September and October 1996 we have obtained 32 nights on the FLWO 1.2-meter telescope to search for detached eclipsing binaries and Cepheids in the M33 galaxy. This is a first step in the ongoing program to improve the direct distance estimate to two important galaxies in the cosmological distance ladder -- M31 and M33. Detached eclipsing binaries provide us with the potential to determine these distances with an accuracy better than 5% and eventually to better than 1%. The massive photometry will provide us with good light curves for known and new Cepheid variables. These are essential to the parallel project to derive direct Baade-Wesselink distances to Cepheids in M31 and M33. With both Cepheids and eclipsing binaries the distance estimates will be free of any intermediate steps. As a by-product, numerous other types of variables (Novae, Luminous Blue Variables etc.) will be observed.
Kaluzny Janusz
Krockenberger Martin
Sasselov Dimitar D.
Stanek Kris Z.
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