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A Catalog of MIPSGAL Disk and Ring Sources

Mizuno, D. R. and Kraemer, K. E. and Flagey, N. and Billot, N. and Shenoy, S. and Paladini, R. and Ryan, E. and Noriega-Crespo, A. and Carey, S. J. (2010) A Catalog of MIPSGAL Disk and Ring Sources. Astronomical Journal, 139 (4). pp. 1542-1552. ISSN 0004-6256.

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We present a catalog of 416 extended, resolved, disk and ringlike objects as detected in the MIPSGAL 24 μm survey of the Galactic plane. This catalog is the result of a search in the MIPSGAL image data for generally circularly symmetric, extended "bubbles" without prior knowledge or expectation of their physical nature. Most of the objects have no extended counterpart at 8 μm or 70 μm, with less than 20% detections at each wavelength. For the 54 objects with central point sources, the sources are nearly always seen in all Infrared Array Camera bands. About 70 objects (16%) have been previously identified, with another 35 listed as Infrared Astronomical Satellite sources. Among the identified objects, those with central sources are mostly listed as emission-line stars, but with other source types including supernova remnants (SNRs), luminous blue variables, and planetary nebulae (PNe). The 57 identified objects (of 362) without central sources are nearly all PNe (~90%), which suggests that a large fraction of the 300+ unidentified objects in this category are also PNe. These identifications suggest that this is primarily a catalog of evolved stars. Also included in the catalog are two filamentary objects that are almost certainly SNRs, and 10 unusual compact extended objects discovered in the search. Two of these show remarkable spiral structure at both 8 μm and 24 μm. These are likely background galaxies previously hidden by the intervening Galactic plane.

Item Type:Article
Related URLs:
URLURL TypeDescription
Flagey, N.0000-0002-8763-1555
Paladini, R.0000-0002-5158-243X
Noriega-Crespo, A.0000-0002-6296-8960
Carey, S. J.0000-0002-0221-6871
Additional Information:© 2010 American Astronomical Society. Issue 4 (2010 April): received 2009 October 9; accepted for publication 2010 January 3; published 2010 March 11. This work is based on observations made with the Spitzer Space Telescope, which is operated by the Jet Propulsion Laboratory, California Institute of Technology under a contract with NASA. Support for this work was provided by NASA in part through an award issued by JPL/Caltech. This research made use of the SIMBAD database and the VizieR catalog access tool, operated by the Centre de Donn´ees Astronomique de Strasbourg. This research has also made use of NASA’s Astrophysics Data System Bibliographic Services. Facilities: Spitzer (MIPS)
Group:Infrared Processing and Analysis Center (IPAC)
Funding AgencyGrant Number
Subject Keywords:catalogs; infrared: ISM; planetary nebulae: general
Issue or Number:4
Classification Code:PACS: 95.80.+p; 98.38.Mz; 98.38.Ly; 98.35.Hj; 98.35.Ln; 97.30.Eh
Record Number:CaltechAUTHORS:20100408-095754541
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Official Citation:D. R. Mizuno et al 2010 The Astronomical Journal 139 1542 doi: 10.1088/0004-6256/139/4/1542
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:17895
Deposited By: Jason Perez
Deposited On:08 Apr 2010 20:22
Last Modified:09 Mar 2020 13:19

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