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4 papers · 2 filters
Surface Brightness Profiles of Dwarf Galaxies: I. Profiles and Statistics
Kimberly A. Herrmann, Deidre A. Hunter, Bruce G. Elmegreen
Radial surface brightness profiles of spiral galaxies are classified into three types: (I) single exponential, or the light falls off with one exponential to a break before falling…
Star Formation in Two Luminous Spiral Galaxies
Deidre A. Hunter, Bruce G. Elmegreen, Vera C. Rubin +4
We have examined star formation in two very luminous (M_V=-22 to -23) Sc-type spiral galaxies, NGC 801 and UGC 2885, using ultra-deep Halpha images. We combine these with UBV and 2…
Determining the Nature of the Extended HI Structure Around LITTLE THINGS Dwarf Galaxy NGC 1569
Megan Johnson
This work presents an extended, neutral Hydrogen emission map around Magellanic-type dwarf irregular galaxy (dIm) NGC 1569. In the Spring of 2010, the Robert C. Byrd Green Bank Tel…
A Survey for Planetary Nebulae in M31 Globular Clusters
George H. Jacoby, Robin Ciardullo, Orsola De Marco +5
We report the results of an [O III] 5007 spectroscopic survey for planetary nebulae (PNe) located within the star clusters of M31. By examining R ~ 5000 spectra taken with the WIYN…