| A Cepheid Distance to NGC 4603 in the Centaurus Cluster (2004) | |||||||||
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| A Cepheid Distance NGC Centaurus Jeffrey Newman Stephen Zepf Marc Davis Wendy Freedman Barry Madore Peter Stetson Silbermann and Randy Phelps mail jnewmanQastro berkeley edu zepfQastro yale edu marcQastro berkeley edu wendyQociw edu barryQipac caltech edu Peter StetsonQhia nrc nancysQipac caltech edu rphelpsQphysics oberlin edu Received accepted Resubmitted Department Astronomy University California Berkeley Department Astronomy Box Yale University New Haven bservatories the Carnegie Institute Washington Santa Barbara Pasadena NASA IPAC Extragalactic Database InfraredProcessing and Analysis Center Jet Propulsion Laboratory California Institute Technology Pasadena Dominion Astrophysical Observatory Saanich Victoria Canada VSX Jet Propulsion Laboratory California Institute Technology Pasadena ABSTRACT attempt use Cepheid variables determine the distance the Centaurus cluster haveobtainedimages NGC with the HubbleSpace Telescope for epochs totalling orbits over months the filter and epochs totalling orbits intheF Wfilter Thisgalaxyhas been suggested lie within the Cen portion the Centaurus cluster which concentrated around heliocentric redshift kms and almost certainly the most distant object for which this method has been attempted Previousdistanceestimatesfor Cen have varied significantly and some have presented disagreements with the peculiar velocity predicted the basis full sky redshift surveys galaxies motivating our investigation Using our WFPC observations have found can | |||||||||
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