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Table 4

Spatial resolutions of the studied SNR-MC systems for a selection of relevant telescopes.

Instrument H.E.S.S. Fermi/LAT CTA ALMA

Energy or λ >100 GeV 0.1 GeV 100 GeV 10 TeV 72.5 mm 362.5 μm
Ang. resolution 0.1° 3° 0.04° 1 1′′ 0.005′′
Object Linear spatial resolution for 90° inclination [pc]

W49B 14.0 419 5.6 2.3 0.0388 0.000194
W44 5.8 173 2.3 1.0 0.0160 0.000080
CTB 37A 14.0 419 5.6 2.3 0.0388 0.000194
3C 391 12.6 377 5.0 2.1 0.0349 0.000175

Notes. The distances of the objects from Earth were taken from Table 2. The corresponding relative errors also apply to the spatial resolutions presented here. For ALMA, the maximum base length of 14.5 km was used. Sources for the instrumental data: H.E.S.S.: Aharonian et al. (2006), Fermi/LAT: http://www-glast.stanford.edu/instrument.html, CTA: http://www.cta-observatory.org/?q=node/26, ALMA: Peck & Beasley (2008).

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