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19962004
most citedSPI observations of positron annihilation radiation from the 4th galactic quadrant: sky distribution

5 citations · 5 across the 4 of their papers we have counts for

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astro-ph1996

The Great Annihilator 1E1740.7-2942: Molecular cloud connection and coronal structure

O. Vilhu, D. Hannikainen, P. Muhli +4

Using 12CO and 13CO observations we present column density maps of the molecular cloud (V = -135 km/s) in the direction of 1E1740.7-2942. Hydrogen column densities of the cloud sca…