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Ammonia in the Hot Galactic Centre Cloud G 1.6-0.025

  • F. F. Gardner (a1), J. B. Whiteoak (a1), J. R. Forster (a1), W. L. Peters (a2) and T. B. H. Kuiper (a3)...


As part of an extensive southern survey of interstellar NH3 with the Parkes 64-m radio telescope (with a beamwidth of 81 arcsec), the (1, 1), (2, 2), and (3, 3) transitions have been observed towards the galactic centre molecular cloud G1.6-0.025. The cloud has an overall size of 10 arcmin, and contains several concentrations with differing velocities. It has several features also observed in other galactic centre clouds, e.g. high optical depths and kinetic temperatures above 50 K.



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