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Table 1

The GC sample studied in this work.

GC Long.1 Lat.1 Zenith2 Offset2 Livetime3
name (°) (°) (°) (°) (h)
NGC 104 (47 Tuc)* 305.89 −44.89 49.8 0.9 23.1
NGC 6388(*) 345.56 −6.74 23.6 0.7 17.9
NGC 7078 (M 15) 65.01 −27.31 37.5 0.7 12.3
Terzan 6 (HP 5) 358.57 −2.16 24.6 1.8 15.2
Terzan 10 4.49 −1.99 18.1 1.6 4.2
NGC 6715 (M 54) 5.61 −14.09 18.3 0.7 11.8
NGC 362 301.53 −46.25 49.5 1.3 5.0
Pal 6 2.10 1.78 19.4 1.4 24.7
NGC 6256 347.79 3.31 20.5 1.3 5.3
Djorg 2 2.77 −2.50 15.9 1.7 4.6
NGC 6749 36.20 −2.21 33.7 1.5 8.2
NGC 6144 351.93 15.70 26.8 1.4 4.7
NGC 288 152.30 −89.38 11.8 1.4 46.7
HP 1 (BH 229) 357.44 2.12 14.3 1.5 5.6
Terzan 9 3.61 −1.99 18.4 1.5 5.2

Notes.

(1)

Galactic coordinates used for the analyses, as given by H10;

(2)

Mean zenith angle and offset averaged over all contributing runs;

(3)

Acceptance corrected livetime of all H.E.S.S. observation runs passing quality cuts;

(*)

GC is detected with Fermi/LAT.

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