Table A.1.
Photometry of stellar streams around MW analogue galaxies.
| Host | D | μr, limit | DSIstream |
⟨μg⟩stream | ⟨μr⟩stream | ⟨(g − r)0⟩stream | Reference | |
|---|---|---|---|---|---|---|---|---|
| maximum | average | |||||||
| Mpc | [mag arcsec−2] | σ | σ | [mag arcsec−2] | [mag arcsec−2] | [mag] | ||
| NGC 0636 | 29.2 | 28.88 | 45.58 | 31.86 | 26.66 ± 0.03 | 25.86 ± 0.02 | 0.75 ± 0.04 | (*) |
| NGC 1079 | 31.4 | 28.78 | 15.24 | 11.31 | 27.51 ± 0.05 | 27.00 ± 0.05 | 0.48 ± 0.07 | (*) |
| NGC 1209 | 38.3 | 28.91 | 8.85 | 4.71 | 28.71 ± 0.05 | 27.98 ± 0.03 | 0.68 ± 0.07 | (*) |
| NGC 1309 | 34.3 | 28.76 | 24.42 | 23.02 | 26.26 ± 0.02 | 25.66 ± 0.02 | 0.56 ± 0.02 | (1) |
| NGC 2460 | 34.8 | 28.81 | 10.39 | 8.06 | 27.50 ± 0.05 | 26.57 ± 0.04 | 0.85 ± 0.06 | (3) |
| NGC 2543 | 37.6 | 28.55 | 10.18 | 9.00 | 26.66 ± 0.06 | 25.86 ± 0.06 | 0.72 ± 0.08 | (*) |
| NGC 2648 | 32.7 | 28.19 | 22.70 | 16.62 | 26.49 ± 0.03 | 25.96 ± 0.04 | 0.49 ± 0.05 | (*) |
| NGC 2701 | 36.5 | 28.58 | 6.63 | 5.55 | 26.85 ± 0.07 | 26.47 ± 0.08 | 0.37 ± 0.10 | (*) |
| NGC 2782 | 39.9 | 28.51 | 28.69 | 20.55 | 26.14 ± 0.01 | 25.63 ± 0.02 | 0.48 ± 0.02 | (4) |
| NGC 3614 | 36.1 | 28.57 | 9.79 | 6.64 | 27.78 ± 0.06 | 27.07 ± 0.05 | 0.68 ± 0.08 | (*) |
| NGC 3689 | 39.8 | 28.00 | 10.75 | 6.45 | 27.55 ± 0.05 | 26.82 ± 0.05 | 0.56 ± 0.07 | (1) |
| NGC 4378 | 37.2 | 28.21 | 24.06 | 22.17 | 27.24 ± 0.03 | 26.53 ± 0.03 | 0.68 ± 0.04 | (*) |
| NGC 4750 | 27.7 | 28.57 | 54.58 | 35.07 | 26.81 ± 0.02 | 26.30 ± 0.03 | 0.48 ± 0.03 | (*) |
| NGC 4793 | 36.3 | 28.11 | 20.02 | 18.04 | 26.16 ± 0.04 | 25.60 ± 0.06 | 0.55 ± 0.07 | (*) |
| NGC 4799 | 40.1 | 27.93 | 8.49 | 6.98 | 26.65 ± 0.04 | 26.20 ± 0.07 | 0.41 ± 0.08 | (*) |
| NGC 5297 | 35.5 | 28.55 | 28.00 | 18.58 | 26.35 ± 0.04 | 25.70 ± 0.04 | 0.63 ± 0.05 | (*) |
| NGC 5493 | 40.05 | 28.30 | 32.96 | 28.06 | 26.38 ± 0.02 | 25.69 ± 0.02 | 0.63 ± 0.003 | (*) |
| NGC 5604 | 39.0 | 28.18 | 12.29 | 9.93 | 26.35 ± 0.05 | 25.81 ± 0.05 | 0.46 ± 0.07 | (*) |
| NGC 5631 | 31.7 | 28.54 | 12.88 | 10.01 | 27.60 ± 0.04 | 26.98 ± 0.04 | 0.59 ± 0.06 | (*) |
| NGC 5750 | 25.3 | 28.23 | 29.41 | 27.37 | 27.38 ± 0.05 | 26.69 ± 0.04 | 0.63 ± 0.06 | (2) |
| NGC 5812 | 27.2 | 28.38 | 55.09 | 30.73 | 26.54 ± 0.03 | 25.67 ± 0.02 | 0.77 ± 0.04 | (*) |
| NGC 7721 | 31.8 | 27.87 | 19.44 | 13.24 | 25.79 ± 0.03 | 25.23 ± 0.04 | 0.53 ± 0.05 | (3) |
Notes. Column 1 gives the name of the host galaxy and Col. 2 its distance. Column 3 shows the surface brightness limit in the r band calculated in this work. Note: the image surface brightness limit is in itself the 3σ value of the sky surface brightness measured in the non-detection zone of the image and extrapolated to an aperture of 100 arcsec2; the standard deviation of the sky background value across the image is within 0.1 mag arcsec−2 for most of the images, in a few cases being between 0.1 and 0.2 mag arcsec−2. Columns 4 and 5 show the detection significance index, as defined in Martinez-Delgado et al. (2021). Cols. 6–8 show the surface brightness in the g passband, in the r passband, and the (g − r)0 colour of the streams, averaged over all the apertures placed on the stream; Col. 9 indicates whether the stream has been reported for the first time in this work, indicated by (*), or in one of the following previous works: (1) Martinez-Delgado et al. (2021); (2) Morales et al. (2018); (3) Ludwig (2014); (4) Knierman et al. (2013).
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