Table A.1.
M81 group members.
| Name | RA [deg] | Dec [deg] | r [Mpc] | Mr [mag] | vhel [km/s] | vLG [km/s] | bound |
|---|---|---|---|---|---|---|---|
| M81 | 148.88821 | 69.06528 | 3.7 ± 0.0 | -20.6 | −38.0 ± 21.0 | 104 | ✓ |
| M82 | 148.96846 | 69.67970 | 3.61 ± 0.00 | -19.9 | 183.0 ± 0.0 | 328 | ✓ |
| NGC2976 | 146.81500 | 67.91361 | 3.7 ± 0.1 | -18.0 | 6.0 ± 4.0 | 142 | ✓ |
| NGC3077 | 150.83750 | 68.73389 | 3.8 ± 0.1 | -17.8 | 19.0 ± 4.0 | 159 | ✓ |
| IC2574 | 157.09333 | 68.41611 | 3.9 ± 0.0 | -17.7 | 43.0 ± 4.0 | 183 | |
| DDO82 | 157.64583 | 70.61944 | 3.9 ± 0.0 | -15.1 | 56.0 ± 3.0 | 207 | |
| HolmI | 145.13458 | 71.18639 | 4.0 ± 0.1 | -14.6 | 139.4 ± 0.1 | 291 | |
| HolmIX | 149.38500 | 69.04306 | 3.8 ± 0.1 | -13.9 | 50.0 ± 4.0 | 192 | ✓ |
| KDG61 | 149.26125 | 68.59167 | 3.7 ± 0.0 | -13.3 | 221.0 ± 3.0 | 360 | ✓ |
| d1012+64 | 153.20171 | 64.10722 | 3.7 ± 0.1 | -13.3 | 150.0 ± 50.0 | 267 | |
| F8D1 | 146.19625 | 67.43861 | 3.8 ± 0.1 | -13.2 | −125.0 ± 130.0 | 8 | ✓ |
| d0958+66 | 149.70308 | 66.84917 | 3.8 ± 0.1 | -13.2 | 90.0 ± 50.0 | 221 | |
| KDG64 | 151.75792 | 67.82750 | 3.8 ± 0.0 | -13.2 | −15.0 ± 13.0 | 121 | ✓ |
| KDG63 | 151.28042 | 66.55500 | 3.6 ± 0.0 | -13.0 | −129.0 ± 0.3 | 0 | ✓ |
| DDO78 | 156.61625 | 67.65667 | 3.5 ± 0.0 | -12.8 | 55.0 ± 10.0 | 191 | ✓ |
| IKN | 152.02458 | 68.39917 | 3.8 ± 0.0 | -12.4 | −140.0 ± 64.0 | -1 | ✓ |
| d1028+70 | 157.16658 | 70.23333 | 3.8 ± 0.1 | -12.4 | −114.0 ± 50.0 | 35 | |
| HS117 | 155.35500 | 71.11611 | 4.0 ± 0.1 | -12.1 | −37.0 ± 0.0 | 116 | |
| BK3N | 148.45208 | 68.96917 | 4.2 ± 0.3 | -10.3 | −40.0 ± 0.0 | 101 | |
| A0952+69 | 149.37083 | 69.27222 | 3.9 ± 0.3 | 99.0 ± 0.0 | 242 | ||
| Garland | 150.92500 | 68.69333 | 3.8 ± 0.4 | 43.0 ± 17.0 | 183 | ✓ |
Notes. Data taken from Müller et al. (2024) with their name, coordinates on the sky (J2000), distance from us as observers, magnitude in the r-band and heliocentric velocity. The missing vhel and r for M81 and M82 are filled in using the database of Karachentsev et al. (2013), as done by Müller et al. (2024). The last column indicates whether the galaxy is within a three-dimensional distance of 230 kpc around M81 and thus within the radius of the second-turnaround radius.
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