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| Content Provider | Springer Nature Link |
|---|---|
| Author | Charmandaris, V. Laurent, O. Mirabel, I.F. Gallais, P. Sauvage, M. Vigroux, L. Cesarsky, C. |
| Copyright Year | 2001 |
| Abstract | We present mid-infrared images and spectra of Arp 10 and Arp 118, two collisional ring galaxies observed as part of the ISOCAM GT program CAMACTIV (P.I.: I.F. Mirabel). The observations reveal the distribution of hot dust in the galaxies and enable us to probe the mechanisms responsible for the heating of the ISM. Unlike the peculiar mid-infrared colours recently discovered in the Cartwheel, the prime example of a collisional ring, Arp 10 has colours typical of those found inspiral arms of late type spirals. Similarly for Arp 118 (NGC 1144),the mid-infrared emission is associated with the regions of star formation in the ring. Moreover, a hot continuum in the 5.1–6.7 μmrange, which is a typical mid-infrared signature of an AGN, is clearly detected from the Seyfert 2 nucleus of the galaxy. |
| Starting Page | 553 |
| Ending Page | 559 |
| Page Count | 7 |
| File Format | |
| ISSN | 0004640X |
| Journal | Astrophysics and Space Science |
| Volume Number | 276 |
| Issue Number | 2-4 |
| e-ISSN | 1572946X |
| Language | English |
| Publisher | Kluwer Academic Publishers |
| Publisher Date | 2001-01-01 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Astronomy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Astronomy and Astrophysics Space and Planetary Science |
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