... properties

Appendix A and Figs. 5-7 are only available in electronic form at http://www.aanda.org

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...

Visiting Astronomer at the Cerro Tololo Iter-American Observatory (CTIO).

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... mergers

The condition for the minor merger is $M_{(\rm secondary)}/ M_{(\rm primary)} < 0.2$.

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... images

Image B, V, I and H$\alpha$ of the sample available at http://www.aanda.org

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... et al.

Detailed study of the group ultra-compact CG J1720-67.8, which contains candidates to TDGs.

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