Open Access

Table A.1.

Properties of the dwarf galaxies studied in this work.

ID Morph RA Dec Host D mg Reff Em Bkg V Age [M/H] ML S/N Q
[deg] [deg] [Mpc] [mag] [”] [km/s] [Gyr] [dex]
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16)
1297 dE 184.7614 5.0981 NGC4255 31.0 17.9 13.1 0 0 1931.3 11.8 -1.44 2.2 24.0 1
2019 dE 226.3340 1.8127 NGC5846 21.0 17.8 17.2 0 0 2158.8 13.5 -1.88 2.1 24.3 1
10 dEN 18.7949 -1.4718 NGC0448 30.0 17.3 4.4 1 0 1852.5 8.8 -1.25 1.6 61.9 1
35 dE 20.4945 3.9712 NGC0474 31.0 19.9 5.1 0 0 2193.8 6.4 -2.14 1.2 9.3 1
205 dI 42.3268 -1.5714 37.0 18.9 6.5 0 2603.7 12.9 -2.17 2.1 13.4 0
223 dI 43.1790 -1.3266 60.0 18.0 9.8 1 1 4167.3 9.6 -1.71 1.7 19.0 1
300 dE 49.9520 -2.3088 93.0 19.4 3.1 0 1 6476.1 9.5 -1.25 1.6 21.1 1
303 dE 50.0618 -1.7127 NGC1289 38.0 19.0 5.6 0 0 2806.1 9.4 -1.26 1.8 25.0 1
290 dE 49.5108 -1.6533 NGC1289 38.0 18.8 8.2 0 0 2842.5 11.5 -1.39 1.9 15.9 1
313 dI 71.6313 -5.2406 67.0 19.1 6.4 1 1 4709.9 8.8 -2.12 1.2 13.2 1
445 dE 134.2161 -3.2605 NGC2699 26.0 18.9 4.1 0 0 2053.2 11.0 -1.44 1.5 32.4 1
443 dE 134.1938 -3.2526 NGC2699 26.0 19.0 4.9 0 0 1959.5 10.4 -1.38 2.2 13.8 1
444 dEN 134.2092 -2.9154 NGC2699 26.0 19.4 4.9 0 0 2091.8 9.7 -1.4 1.7 21.3 1
553 dEN 145.4222 -3.7319 NGC2974 21.0 17.5 6.7 0 0 1719.9 12.6 -1.29 2.0 63.0 1
574 dE 146.1150 -3.3048 NGC2974 21.0 19.5 7.2 0 0 1935.1 8.0 -1.33 1.5 12.8 1
1476 dEN 191.5301 -3.2690 NGC4691 16.0 17.4 6.6 0 0 1050.7 9.9 -1.32 1.8 55.0 1
1486 dEN 191.7061 -2.5005 64.0 17.6 9.1 1 1 4474.8 11.5 -1.57 1.9 34.1 1
324 dE 72.6729 -3.8295 65.0 18.7 4.1 1 1 4563.4 13.2 -1.48 2.1 24.4 1
323 dE 72.6134 -3.6137 64.0 18.5 4.9 1 1 4492.5 9.0 -1.33 1.7 22.9 1
321 dE 72.4610 -3.5938 14.0 19.9 4.8 0 963.0 6.3 -2.23 1.2 8.4 0
1408 dEN 190.2965 -5.0977 NGC4546 14.0 18.8 8.5 0 0 1083.1 12.9 -1.39 2.1 14.5 1
15 dE 18.9577 -1.3915 14.0 19.8 4.3 0 1015.0 11.7 -2.27 2.1 13.3 0
29 dE 20.1466 3.1456 NGC0474 31.0 19.2 7.6 1 0 2153.4 9.2 -1.62 1.9 13.2 1
222 dE 43.1665 -1.1599 98.0 19.6 4.0 0 1 6845.4 10.4 -0.72 2.3 23.5 1
273 dE 48.9098 -2.9508 NGC1266 30.0 19.6 6.3 1 0 2522.1 12.4 -1.71 2.0 15.8 1
269 dE 48.6046 -2.9236 NGC1253 16.0 20.4 4.9 0 0 1613.6 7.6 -0.99 1.6 8.7 1
448 dE 134.2757 -3.3425 NGC2699 26.0 20.4 3.2 0 0 2053.2 7.9 -1.41 1.5 13.9 1
1232 dE 184.1771 6.6895 NGC4215 32.0 18.9 6.4 0 0 2086.6 10.7 -1.49 2.1 26.0 1
320 dE 72.4170 -4.2329 14.0 20.6 4.1 0 960.2 6.9 -2.21 1.2 6.7 0
318 dE 72.1070 -3.8733 PGC016060 38.0 20.3 3.7 0 0 2803.0 11.4 -1.69 1.1 11.6 1
585 dE 146.4547 -0.5469 IC0560 27.0 18.8 11.7 1 0 1832.9 9.0 -1.88 1.1 14.2 1
578 dE 146.2100 0.1444 92.0 19.6 6.1 1 1 6463.2 6.2 -2.07 1.2 13.8 1
218 dEN 42.9988 -1.1746 100.0 17.5 8.8 0 1 6988.7 9.6 -0.72 2.3 25.7 1
428 dEN 133.6689 -3.1090 NGC2695 32.0 19.7 5.2 0 0 2164.3 10.6 -1.28 1.5 11.2 1
429 dE 133.7407 -2.9390 NGC2695 32.0 21.2 3.0 0 0 1677.5 8.1 -1.8 1.7 4.9 1
420 dE 133.3598 -2.5094 NGC2695 32.0 19.0 4.6 1 0 1869.1 8.6 -1.76 1.5 18.1 1
544 dE 145.1226 5.2314 NGC2962 34.0 19.1 5.4 1 0 2123.7 9.9 -1.79 1.1 17.3 1
645 dE 153.3468 3.3098 NGC3156 22.0 19.7 6.4 0 0 1394.6 9.8 -1.49 1.7 10.8 1
652 dEN 153.6326 3.3670 NGC3156 22.0 17.6 10.1 0 0 1246.6 8.9 -1.27 1.6 37.1 1
642 dE 153.1371 3.7079 NGC3156 22.0 19.3 4.4 0 0 1121.2 11.9 -1.63 2.2 22.2 1
928 dE 169.8325 2.7918 NGC3640 26.0 18.2 8.5 0 0 1551.1 11.3 -1.75 1.8 16.6 1
974 dE 170.4586 2.9454 NGC3641 26.0 19.3 4.8 0 0 1844.5 10.0 -1.61 1.4 22.3 1
992 dE 170.7233 3.2479 NGC3640 26.0 17.9 6.7 0 0 1431.0 13.9 -1.49 2.2 44.0 1
1400 dE 190.2123 7.9309 NGC4623 17.0 17.1 16.2 0 0 2162.6 11.3 -1.2 2.0 31.8 1
829 dE 164.2337 9.4990 148.0 20.0 3.9 1 1 10366.3 6.6 -1.77 1.7 11.8 1
2103 dE 239.0837 6.1882 NGC6017 29.0 18.0 14.2 1 0 1735.4 11.3 -1.69 1.5 20.1 1
1793 dEN 213.4112 -3.3354 NGC5507 28.0 19.4 6.4 0 0 1863.3 12.7 -1.55 2.0 16.7 1
20 dEN 19.5843 3.4333 NGC0474 31.0 20.7 4.5 0 0 2409.8 12.6 -1.7 2.2 9.1 1
1497 dE 191.8999 -1.6508 NGC4690 40.0 21.0 4.3 0 0 2634.9 8.5 -1.26 1.2 6.0 0
1781 dEN 212.7999 -5.1036 NGC5493 39.0 18.6 5.8 1 0 2763.9 7.3 -2.1 1.2 17.0 1
2086 dEN 226.8657 1.3651 NGC5845 25.0 19.4 6.6 0 0 1379.6 8.4 -1.49 1.6 17.4 1
2088 dE 226.8973 1.9944 NGC5839 22.0 19.8 4.8 0 0 1172.1 12.2 -1.42 2.0 17.6 1
2091 dEN 227.0116 2.2354 NGC5845 25.0 19.2 8.2 0 0 1436.3 10.9 -1.82 1.5 18.9 1
2098 dE 238.7639 0.4664 NGC6010 31.0 19.0 4.3 1 0 1814.8 10.3 -1.68 1.3 31.1 1
2094 dE 238.3115 0.7097 NGC6010 31.0 18.4 8.3 0 0 2057.0 8.2 -1.83 1.5 17.4 1
1393 dEN 189.9051 -4.8152 NGC4602 34.0 19.3 4.8 1 0 2452.3 9.4 -1.56 1.7 24.2 1

Note. Column (1): MATLAS ID of dwarf galaxies. Dwarfs identified in the MATLAS survey are numbered from 1 to 2210 (e.g., MATLAS-2019). Column (2): Morphology of dwarf galaxy. Column (3): Right ascension in degrees. Column (4): Declination in degrees. Column (5): Assumed host galaxy based on minimal difference in line-of-sight velocities between satellite and massive host. Column (6): Distance of assumed host, if present. If no host could be assigned, the distance results from the dwarf recessional velocity via Hubble’s law. Column (7): Apparent g-band magnitude from Poulain et al. (2021). Column (8): Effective radius in arcseconds via GALFIT modeling from Poulain et al. (2021). Column (9): Emission line flag (1 for emission lines present, 0 for no emission lines). Column (10): Background flag (1 if the dwarf galaxy resides outside of the ATLAS3D target volume, 0 if it lies inside). This is based on the dwarf line-of-sight velocity compared with the velocities of the massive ATLAS3D galaxies (see Figure 6). Column (11): Dwarf line-of-sight velocity in km/s. Column (12): Dwarf age in Gyr. Column (13): Dwarf metallicity in dex. Column (14): Stellar mass-to-light ratio in V-band. Column (15): S/N of continuum spectrum. Column (16): Quality of spectrum (1 for clear spectral lines, 0 if the noise dominates and the measured values are uncertain).

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