3 research outputs found

    Publ. Astron. Soc. Aust., 2002, 19, 1--5 Molecular Hydrogen in the Lagoon:

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    The 2.12 mv= 1--0 S(1) line of molecular hydrogen has been imaged in the Hourglass region of M8. The line is emitted from a roughly bipolar region, centred around the O7 star Herschel 36. The peak H 2 1--0 S(1) line intensity is 8.2 10 -15 erg s -1 cm -2 arcsec -2 . The line centre emission velocity varies s -1 in the SE lobe to s -1 in the NW lobe. The distribution is similar to that of the CO J 3--2 line. The H 2 line appears to be shock-excited when a bipolar outflow from Herschel 36 interacts with the ambient molecular cloud. The total luminosity of all H 2 lines is estimated to be and the mass of the hot molecular gas 10 -4 M (without any correction for extinction)

    Analytical Instrumentation

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