| |
 |
| Paper: |
The Nature of Hickson Compact Group 18 |
| Volume: |
209, Small Galaxy Groups, IAU Colloquium 174 |
| Page: |
112 |
| Authors: |
Plana, Henri; Mendes de Oliveira, Claudia; Amram, Philippe; Balkowski, Chantal |
| Abstract: |
We present new observations of H&alpha emission of the Hickson Compact Group 18 (HCG 18) obtained with a scanning Fabry-Perot interferometer. The velocity field does not show motions of individual group members but instead a complex common velocity field of H18b, c and d. The gas distribution is very clumpy with blobs coinciding with group members but located also elsewhere. Comparing H&alpha with Hi data we reached the conclusion that HCG 18 seems to be an irregular galaxy containing several clumps of star formation sites. |
|
|
|
|
|
