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Session 3 - Source Surveys, Galaxy Surveys, Distance Scale I.
Display session, Wednesday, January 07
Exhibit Hall,

[3.08] The HST Key Project on the Extragalactic Distance Scale: Cepheids in NGC 4535

L. M. Macri, J. P. Huchra (CfA), N. A. Silbermann, B. F. Madore (IPAC), W. L. Freedman, R. L. Phelps (OCIW), R. C. Kennicutt, F. Bresolin, P. Harding, A. Turner (U. Arizona), J. R. Mould, B. K. Gibson, D. M. Rawson (MSSSO), L. F. Ferrarese (Caltech), H. C. Ford (Johns Hopkins Univ.), J. A. Graham, D. D. Kelson (CIW), M. Han, R. J. Hill (GSFC), J. G. Hoessel (U. Wisconsin), S. M. G. Hughes (RGO), G. D. Illingworth (UCSC), A. Saha (STScI), S. Sakai (NOAO), P. B. Stetson (DAO)

This poster will present preliminary results from HST WFPC2 observations of NGC 4535 as part of The HST Key Project on the Extragalactic Distance Scale. NGC 4535 is a member of the Virgo cluster and a direct calibrator of the Tully-Fisher relation. Light curves and finding charts of newly discovered Cepheid variables in that galaxy will be presented, as well as a preliminary period-luminosity relation and a comparison of DoPHOT vs. ALLFRAME/DAOPHOT II photometry of bright stars in the field of view.

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Program listing for Wednesday