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Detection of HCO+ towards Cygnus OB2 No. 12
(Oxford University Press (OUP), 2000)
HCO+ has been detected for the first time towards the star Cygnus OB2 No. 12 through emission of the 1−0 rotational transition at 89GHz. The CO(J=2−1) transition has also been observed. The observations are consistent with ...
H3+ in Diffuse Interstellar Gas
(Oxford University Press (OUP), 2000)
A model is constructed of the material in front of the star Cygnus OB2 no. 12 in which dense cores are embedded in diffuse clumps of gas. The model reproduces the measured abundances of Graphic C2 and CO, and predicts a ...