EDP Sciences
Free Access
Issue
A&A
Volume 549, January 2013
Article Number A148
Number of page(s) 19
Section Extragalactic astronomy
DOI https://doi.org/10.1051/0004-6361/201220231
Published online 16 January 2013

Online material

thumbnail Fig. 6

(C − R) colour maps of NGC 3585. The top panel shows the entire galaxy and has the same dimensions as Fig. 1 (~15′ × 15′). The colour range shown is 1.1 ≲ (C − R) ≲ 2.5, with bluer colours darker, and redder colours lighter. It is clear that no strong colour gradient is present out to large radii. The lower panel shows the inner  ~75″ × 75″ over a colour range of 1.73 ≲ (C − R) ≲ 1.85. The  ~ 45″ discy structure discussed in the text is clearly visible. The noisy rectangular region surrounding the galaxy core is the short exposure that was used to replaced the overexposed central region (see Sect. 3) and does not affect the colour profile in any way.

Open with DEXTER

thumbnail Fig. 7

(C − R) colour maps of NGC 5812. The top panel shows the entire galaxy and has the same dimensions as Fig. 2 (~9′ × 9′). The colour range shown is 1.1 ≲ (C − R) ≲ 2.5, with bluer colours darker, and redder colours lighter. It is clear that no strong colour gradient is present out to large radii. The lower panel shows the inner  ~75″ × 75″ over a colour range of 1.71 ≲ (C − R) ≲ 1.80. The circular, redder region,  ~15″ in diameter, as discussed in the text, is clearly visible. The noisy rectangular region surrounding the galaxy core is the short exposure that was used to replaced the overexposed central region (see Sect. 3) and does not affect the colour profile in any way.

Open with DEXTER

Appendix A: IRAF ellipse model tables

Table A.1

ellipse model of NGC 3585.

Table A.2

Same as Table A.1, except for NGC 5812.

Table A.3

Same as Table A.1, except for the dwarf galaxy companion of NGC 5812.


© ESO, 2013

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