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Infrared emission regions in the interacting galaxy system ARP 299

Wynn-Williams, C. G., Hodapp, K. W., Joseph, R. D., Eales, Stephen Anthony, Becklin, E. E., McLean, I. S., Simons, D. A. and Wright, G. S. 1991. Infrared emission regions in the interacting galaxy system ARP 299. Astrophysical Journal 377 , pp. 426-433. 10.1086/170372

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Abstract

Infrared imagery and photometry of the interacting galaxy system Arp 299 are presented. In the central region of NGC 3690 there are two 2.2 micron sources; one of these (component B2) coincides with the apparent visible nucleus, while the other (component B1) coincides with the 6 cm and 10 micron sources. No evidence at 2.2 micron is seen for a compact AGN in IC 694 (component A). Approximately 75 percent of the 12-25 micron power from Arp 299 comes from three regions each smaller than 600 pc in diameter centered on components A, B1, and C, making the distribution of mid-infrared emission more concentrated than the distribution of starlight.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Uncontrolled Keywords: galactic nuclei, galactic radiation, galactic structure, infrared sources (astronomy); interacting galaxies; markarian galaxies; astronomical photometry; infrared astronomy; infrared photometry
Publisher: IOP Science
ISSN: 0004-637X
Last Modified: 04 Jun 2017 05:03
URI: http://orca.cf.ac.uk/id/eprint/47703

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