Free Access
Volume 578, June 2015
Article Number A49
Number of page(s) 19
Section Extragalactic astronomy
Published online 02 June 2015

Online material

Appendix A: Tables and figures

Table A.1

Gaussian parameters of the observed spectra.

thumbnail Fig. A.1

Spectral maps of the CN 1 → 0 line convolved to an angular resolution of 3.8. To increase the signal-to-noise ratio, the velocity resolution has been degraded to 12.8 km s-1. The number in the upper right corner indicates the central channel velocity. Contour levels are 0.17 (5 × σ) to 1.955 in steps of 0.255 K. Crosses indicate the dynamical center of the galaxy and the position of SN 41.9+58.

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thumbnail Fig. A.2

Same as Fig. A.1 for the CS 3 → 2 line. Contour levels are 0.065 (3 × σ) to 1.495 in steps of 0.13 K. The eastern knot at velocities ~144192 km s-1 is due to the emission of the H(35)α line.

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thumbnail Fig. A.3

Same as Fig. A.1 for the H(41)α line. First contour and steps are 0.028 K (~ 3 × σ).

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© ESO, 2015

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