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Subaru Deep Imaging of Interacting Galaxies

Koda, Jin (2009) Subaru Deep Imaging of Interacting Galaxies. In: The starburst-AGN connection. ASP Conference Series. No.408. Astronomical Society of the Pacific , San Francisco, CA, pp. 22-28. ISBN 978-1-58381-696-7 . http://resolver.caltech.edu/CaltechAUTHORS:20100914-135503568

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Abstract

We present deep optical images obtained with the Subaru Prime Focus Camera (Suprime-Cam) for nearby interacting galaxies. New tidal structures are revealed in many systems: remarkable examples include a northern faint extension of the Antennae, a large extension of Arp 220 – doubling the size from the previously-known, and a new tidal tail of Mrk 231. These extended features constrain the orientations and orbits of progenitor galaxies; the large extensions indicate that their rotations were retrograde with respect to the orbits. The orientations of the progenitors may constrain the timescale that merging completes, the duration of gravitational perturbation, and the timescale of gas fueling to galactic centers. This introduces an additional parameter (i.e. orientation of spin) in categorizing the evolutionary sequence of merging based on optical images.


Item Type:Book Section
Related URLs:
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http://www.aspbooks.org/a/volumes/article_details/?paper_id=30190PublisherArticle
ORCID:
AuthorORCID
Koda, Jin0000-0002-8762-7863
Additional Information:© 2009 Astronomical Society of the Pacific. Based on data collected at Subaru Telescope, which is operated by the National Astronomical Observatory of Japan.
Group:COSMOS
Record Number:CaltechAUTHORS:20100914-135503568
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20100914-135503568
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:19953
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:16 Sep 2010 23:05
Last Modified:17 Aug 2017 18:39

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