Abstract
view Abstract Citations (16) References (6) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS High spatial resolution observations of Orion bright bar : CS(J=1-0) and H51 alpha emission. Omodaka, T. ; Hayashi, M. ; Hasegawa, T. Abstract High-resolution strip maps of CS (J = 1-0) and H51-alpha line emission across the Orion bright bar are presented. The intensity of CS emission is weaker in the H II region with a rapid increase at the optical bar, while the H51-alpha line was detected only on the side of the H II region. The variation of the CS intensity can be reproduced by a beam-convolved step function with the position of the step coincident with the ionization front. The molecular cloud associated with the bright bar is redshifted relative to the ambient molecular cloud by about 2 km/s. This may suggest the dynamical interactions between the molecular cloud and the H II region excited by the Trapezium stars. Publication: The Astrophysical Journal Pub Date: July 1984 DOI: 10.1086/184309 Bibcode: 1984ApJ...282L..77O Keywords: Carbon Disulfide; Interstellar Matter; Molecular Clouds; Orion Nebula; Astronomical Maps; H Alpha Line; H Ii Regions; High Resolution; Ionization; Astrophysics full text sources ADS | data products SIMBAD (4)
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