Multi-line detection of O2 toward rho Oph A

Models of pure gas-phase chemistry in well-shielded regions of molecular clouds predict relatively high levels of molecular oxygen, O2, and water, H2O. Contrary to expectation, the space missions SWAS and Odin found only very small amounts of water vapour and essentially no O2 in the dense star-form...

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Main Authors:	Liseau, R, Goldsmith, P. F, Larsson, B, Pagani, L, Bergman, P, Bourlot, J. Le, Bell, T. A, Benz, A. O, Bergin, E. A, Bjerkeli, P, Black, J. H, Bruderer, S, Caselli, P, Caux, E, Chen, J. -H, de Luca, M, Encrenaz, P, Falgarone, E, Gerin, M, Goicoechea, J. R, Hjalmarson, Å, Hollenbach, D. J, Justtanont, K, Kaufman, M. J, Petit, F. Le, Li, D, Lis, D. C, Melnick, G. J, Nagy, Z, Olofsson, A. O. H, Olofsson, G, Roueff, E, Sandqvist, Aa, Snell, R. L, van der Tak, F. F. S, van Dishoeck, E. F, Vastel, C, Viti, S, Yıldız, U. A
Format:	Journal Article
Language:	English
Published:	25-02-2012
Subjects:	Physics - Astrophysics of Galaxies
Online Access:	Get full text
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