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Slicing the monoceros overdensity with suprime-cam

Conn, Blair; Noel, Noelia E. D.; Rix, Hans-Walter; Lane, R R; Lewis, Geraint Francis; Irwin, Mike J.; Martin, Nicolas F; Ibata, Rodrigo A.; Dolphin, Andrew; Chapman, Scott

Description

We derive distance, density, and metallicity distribution of the stellar Monoceros Overdensity (MO) in the outer Milky Way, based on deep imaging with the Subaru Telescope. We applied color-magnitude diagram fitting techniques in three stripes at galactic longitudes, l 130°, 150°, 170°, and galactic latitudes, +15° ≤ b ≤ +25°. The MO appears as a wall of stars at a heliocentric distance of 10.1 ± 0.5kpc across the observed longitude range with no distance change. The MO stars are more...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
URI: http://hdl.handle.net/1885/152178
Source: The Astrophysical Journal
DOI: 10.1088/0004-637X/754/2/101
Access Rights: Open Access

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