NOAO >   Observing Info >   Approved Programs >   2002A-0246

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Proposal Information for 2002A-0246


PI: Dr. Alan Whiting, CTIO, whiting@usna.edu
Address:

CoI: Dr. George Hau, ESO
CoI: Dr. Mike Irwin, IoA, Cambridge, UK

Title: A Northern Hunt for Local Dwarf Galaxies

Abstract: Dwarf galaxies are central to theories of galaxy formation, contributing directly to knowledge on: the distribution and nature of dark matter; the processes of star formation; and the origin and growth of large-scale structure. Extremely low-luminosity dwarfs are only detectable at very short distances, within or near the Local Group, so very few are known. The first part (southern hemisphere) of an all-sky survey to discover more has resulted in one certain and one borderline new Local Group dwarf, plus a number of more distant dwarfs and low surface brightness galaxies. Extending this survey to the northern hemisphere, we have produced a list of approximately one hundred dwarf galaxy candidates. We propose to continue (and, if possible, complete) follow-up imaging of these to determine their nature.


National Optical Astronomy Observatory, 950 North Cherry Avenue, P.O. Box 26732, Tucson, Arizona 85726, Phone: (520) 318-8000, Fax: (520) 318-8360



NOAO >   Observing Info >   Approved Programs >   2002A-0246

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