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UGC 8508 - A dwarf galaxy associated with the M 101 groupTwo-color CCD photometry of UGC 8508 has resolved the system into stars. The color-magnitude diagram shows blue and red supergiants, the apparent magnitudes of the brightest stars indicate that UGC 8508 lies within 2 Mpc of the adopted 6 Mpc distance of the M 101 group. The galaxy contains a significant color gradient; star formation is confined to the central 1.5 scale lengths (0.8 kpc). UGC 8508 has a central surface brightness intermediate between bursting and quiescent dwarf irregular galaxies.
Document ID
19870027005
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1086/131819
Authors
Mould, J. R. (Palomar Observatory, Pasadena, CA; Mount Stromlo and Siding Spring Observatories Canberra, Australia)
Schneider, D. P. (Palomar Observatory, Pasadena, CA; Institute for Advanced Study, Princeton NJ, United States)
Harding, P. (Mount Stromlo and Siding Spring Observatories Canberra, Australia)
Bothun, G. D. (Palomar Observatory Pasadena, CA, United States)
Date Acquired
August 13, 2013
Publication Date
August 1, 1986
Publication Information
Publication: Astronomical Society of the Pacific, Publications
Volume: 98
ISSN: 0004-6280
Subject Category
Astrophysics
Accession Number
87A14279
Funding Number(s)
CONTRACT_GRANT: NAS5-29225
CONTRACT_GRANT: NSF AST-85-02518
CONTRACT_GRANT: NSF AST-83-14134
Distribution Limits
Public
Copyright
Other

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