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The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XIX. The Discovery of Cepheids in and a New Distance to NGC 3198

Kelson, Daniel D; Illingworth, Garth D; Saha, Abhijit; Graham, John A; Stetson, Peter B; Silberman, Nancy A; Freedman, Wendy L; Kennicutt, R C; Mould, Jeremy; Ferrarese, Laura; Huchra, John; Madore, Barry F; Prosser, Charles; Bresolin, Fabio; Ford, Holland C; Gibson, Brad K; Hoessel, John G; Hughes, Shaun M; Macri, Lucas; Sakai, Shoko

Description

We report the detection of Cepheid variable stars and a new distance to the Sc spiral NGC 3198. NGC 3198 is one of 25 galaxies that have been observed with the WFPC2 of the Hubble Space Telescope (HST) for the purpose of measuring Cepheid distances. Eighteen of these galaxies were targeted by the HST Key Project on the Extragalactic Distance Scale, whose objective is to calibrate a variety of secondary distant indicators and determine the Hubble constant to an accuracy of 10%. NGC 3198 was...[Show more]

CollectionsANU Research Publications
Date published: 1999
Type: Journal article
URI: http://hdl.handle.net/1885/94475
Source: Astrophysical Journal, The

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