We present the detection of He II sources in the Im galaxy NGC 1569 from HST WFPC2 imagery. Out of the fifteen detections, seven were Wolf-Rayet stars, five were stellar clusters with associated He II emission, and three were sources of unknown origin. The
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aTheStarburst-InterstellarMediumInteractioninNGC1569I.LocationandNatureofHeiiSourcesUsingHubbleSpaceTelescopeWFPC2Imagery1BrentA.BuckalewandReginaldJ.DufourRiceUniversity,DepartmentofSpacePhysics&Astronomy,Houston,TX77025,USAEmail:brent@regultra.rice.edu,rjd@rice.eduandPatrickL.ShopbellCaliforniaInstituteofTechnology,DepartmentofAstronomy,MC105-24Pasadena,CA91125,USAEmail:pls@astro.caltech.eduandDonaldK.WalterSouthCarolinaStateUniversity,DepartmentofPhysicalSciences,Orangeburg,SC29117,USA
Email:dkw@physics.scsu.eduReceived
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