EDP Sciences
Free Access
Volume 547, November 2012
Article Number A48
Number of page(s) 12
Section Extragalactic astronomy
DOI https://doi.org/10.1051/0004-6361/201118711
Published online 25 October 2012

Online material

thumbnail Fig. 1

Simulated K-band images of the final remnants of models M18PlDb (upper figure, experiment k in Table 1) and M6PsDs (lower figure, experiment e in the same Table). We show different galaxy views for the two further simulated distances. The largest frame on the left of each figure corresponds to a face-on view of the remnant at D = 6 Mpc. Surface brightness units in the K band are in mag arcsec-2. A limiting magnitude of μK = 22 mag arcsec-2 and a spatial resolution of FWHM = 0.7 arcsec have been assumed (see the text for more details). A grey colour palette is used to represent the different surface brightness levels, set according to a logarithmic scale to enhance spiral patterns in the images with respect to the central bulge. Whiter colours indicate brighter regions (consult the levels bars). The size of each frame fits exactly the apparent angular size of the galaxy for the distance considered in each case. There are yellow squares at the top left corner of each frame indicating the size of the resolution element in each image (0.7  ×  0.7 arcsec2).

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© ESO, 2012

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