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Table 3
Parameters of gamma-ray emitting starbursts.
| Parameter | Value | |||
|---|---|---|---|---|
| NGC 253 | M82 | NGC 4945 | NGC 1068 | |
| Distance d [Mpc] | 2.6 | 3.4 | 3.7 | 16.7 |
| Spectral index Γ | 2.2 ± 0.1 | 2.2 ± 0.1 | 2.1 ± 0.2 | 2.2 ± 0.2 |
| L100−300MeV [erg s−1] | 1.8 × 1039 | 2.5 × 1039 | 8.7 × 1039 | 8.0 × 1040 |
| L0.3−1GeV [erg s−1] | 1.4 × 1039 | 2.4 × 1039 | 4.8 × 1039 | 4.4 × 1040 |
| L1−3GeV [erg s−1] | 9.8 × 1038 | 3.0 × 1039 | 2.8 × 1039 | 3.6 × 1040 |
| L3−10GeV [erg s−1] | 9.8 × 1038 | 1.3 × 1039 | 2.0 × 1039 | 1.9 × 1040 |
| L10−100GeV [erg s−1] | 4.4 × 1038 | 1.2 × 1039 | 1.1 × 1039 | 2.1 × 1040 |
| L0.1−100GeV [erg s−1] | 6.0 ± 0.2 × 1039 | 1.5 ± 0.3 × 1040 | 1.2 ± 0.4 × 1040 | 1.5 ± 0.6 × 1041 |
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