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| Content Provider | Springer Nature Link |
|---|---|
| Author | Amram, P. Gavazzi, G. Marcelin, M. Boselli, A. VÍlchez, J.M. Iglesias Paramo, J. Tarenghi, M. |
| Copyright Year | 2002 |
| Abstract | The edge-on galaxy UGC 6697 has a peculiar morphological appearance: a high surface brightness SE component and what appears to be a tidal tail with blue color and low surface brightness extending toward the NW, as dramatically evidenced in subarcsecond broad band images taken with the VLT and in a deep Hα frame. Long-slit spectroscopy shows a 500 km/s rigid-body rotation curve with a sudden central velocity jump, of more than 200 km/s amplitude. Fabry-Perot observations of the Hα emission line enable us to trace a detailed 2D velocity field, confirming the complex kinematical behaviour, particularly in the circumnuclear region where multiple velocity components are clearly superposed on the same line of sight. This region hosts a double nucleus and shows sudden color and metallicity gradients, which can be reconciled with the complex velocity field assuming the presence of a second galaxy hidden behind the main body of UGC 6697. |
| Starting Page | 401 |
| Ending Page | 404 |
| Page Count | 4 |
| File Format | |
| ISSN | 0004640X |
| Journal | Astrophysics and Space Science |
| Volume Number | 281 |
| Issue Number | 1-2 |
| e-ISSN | 1572946X |
| Language | English |
| Publisher | Kluwer Academic Publishers |
| Publisher Date | 2002-01-01 |
| 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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