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Table 1.
Globular clusters matching position and PM of the Sgr dSph and stream as traced by Gaia DR2 4S RR Lyrae.
Name | Comment |
Members | |
NGC 6715 (M 54) | At the centre of the main body |
Terzan 7 | In the main body (Pcol = 0) |
Arp 2 | In the main body (Pcol = 0) |
Terzan 8 | In the main body (Pcol = 0) |
Pal 12 | In the trailing arm (Pcol = 0) |
Whiting 1 | In the trailing arm (Pcol = 1) |
Good/interesting candidate members | |
NGC 2419 | Associated with a very distant |
and old arm (Pcol = 8) | |
NGC 5634 | Possibly associated with an old arm (Pcol = 3−8) |
NGC 4147 | Possibly associated with an old arm (Pcol = 3−8) |
Unlikely candidate members | |
Pal 2 | Compatible with an old arm (Pcol = 5−8) |
but > 200 km s−1 difference in VGSR with LM10 | |
NGC 6284 | Compatible with an old arm (Pcol = 4−8) |
but > 250 km s−1 difference in VGSR with LM10 |
Notes. The reported Pcol values indicate the Pcol range spanned by of the particles of the LM10 model in the surroundings of the cluster.
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