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The HST Key Project on the Extragalactic Distance Scale XIII. The Metallicity Dependence of the Cepheid Distance Scale
R. Kennicutt, P. Stetson, A. Saha +22
Uncertainty in the metal abundance dependence of the Cepheid variable period- luminosity (PL) relation remains one of the outstanding sources of systematic error in the extragalact…
The Extragalactic Distance Scale Key Project VIII. The Discovery of Cepheids and a New Distance to NGC 3621 Using the Hubble Space Telescope
Daya M. Rawson, Lucas M. Macri, Jeremy R. Mould +18
We report on the discovery of Cepheids in the field spiral galaxy NGC 3621, based on observations made with the Wide Field and Planetary Camera 2 on board the Hubble Space Telescop…
A Pair of Lensed Galaxies at z=4.92 in the Field of CL1358+62
Marijn Franx, Garth D. Illingworth, Daniel D. Kelson +2
The cluster CL1358+62 displays a prominent red arc in WFPC2 images obtained with the Hubble Space Telescope. Keck spectra of the arc show Ly alpha emission at 7204 Angstrom, a cont…
Evolution of Early-Type Galaxies in Distant Clusters: The Fundamental Plane using HST Imaging and Keck Spectroscopy
Daniel D. Kelson, Pieter G. van Dokkum, Marijn Franx +2
We present new results on the Fundamental Plane of galaxies in two rich clusters, Cl1358+62 at and MS2053--04 at , based on Keck and HST observations. Our new data…