Free Access
Issue
A&A
Volume 547, November 2012
Article Number A39
Number of page(s) 27
Section Extragalactic astronomy
DOI https://doi.org/10.1051/0004-6361/201219668
Published online 24 October 2012

Online material

Appendix A: CO and Hi observed and model spectra of the Taffy system UGC 12914/15

For a better readability of this article, we decided to show the CO and Hi observed and model spectra as an appendix.

thumbnail Fig. A.1

CO(1−0) spectra (yellow line and yellow scale, intensity in milliKelvins) overlaid with Hi spectra (black line) on a Digitized Sky survey image of the UGC 12914/5 system (from Braine et al. 2003). The center of UGC 12915 is at 00h01m41.9s, 23°29′44.9′′. The bridge region is delimited by the white polygon.

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thumbnail Fig. A.2

Simulation 20. CO(1−0) model spectra (white line) overlaid with Hi spectra (black line) on the model stellar surface density distribution.

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thumbnail Fig. A.3

Simulation 19. CO(1−0) model spectra (white line) overlaid with Hi spectra (black line) on the model stellar surface density distribution.

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thumbnail Fig. A.4

Simulation 19 where the disk gas has been removed. Thus only the gas located in the bridge region is visible. CO(1−0) model spectra (white line) overlaid with Hi spectra (black line) on the model stellar surface density distribution.

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thumbnail Fig. A.5

Simulation 19 wihout cloud-cloud collisions. CO(1−0) model spectra (white line) overlaid with Hi spectra (black line) on the model stellar surface density distribution.

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© ESO, 2012

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