Near-infrared mapping of ARP 299 (IC 694-NGC 3690) - colliding galaxies unveiled
Journal Article
·
· Astrophys. J.; (United States)
Near-infrared maps and multicolor photometry of the interacting galaxies IC 694 and NGC 3690 which form Arp 299 (= Markarian 171) are presented. These data reveal for the first time the distribution of nuclei and old red stars in a cataclysmically interacting system. The nuclei are considerably offset from the visual centroids of the galaxies but not from the mass centroids. The near-infrared colors of the most active regions are strongly affected by extinction, emission form hot dust, and bremsstrahlung. Near-infrared emission is also identified with secondary regions of star formation, probably resulting from the galaxies interaction. 24 references.
- Research Organization:
- NASA, Marshall Space Flight Center, Huntsville, AL; Edinburgh Royal Observatory, England
- OSTI ID:
- 5314775
- Journal Information:
- Astrophys. J.; (United States), Journal Name: Astrophys. J.; (United States) Vol. 299; ISSN ASJOA
- Country of Publication:
- United States
- Language:
- English
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