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Table 2

Clusters identified by the k-means algorithm.

Cluster: Sources:
Sgr B2(M)

CM1 A01, A03, A04, A05, A06, A07, A10
CM2 A11, A23
CM3 A17, A22, A25
CM4 A02, A08, A09, A12, A13, A14, A15
CM5 A20
CM6 A16, A18, A19, A21, A24, A26, A27

Sgr B2(N)

CN1 A16, A19, A20
CN2 A05, A06, A07, A08, A10
CN3 A01, A02, A17
CN4 A03, A04
CN5 A13
CN6 A09, A14, A15, A18
CN7 A11, A12

Notes. Clusters identified by the k-means algorithm with the contained sources for both regions in the projection of the first two eigenvectors PC1 and PC2.

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