Davis et al. 1974
Davis, J.H., G.N. Blair, H. Van Till, and P. Thaddeus, 1974: Vibrationally excited silicon monoxide in the Orion Nebula. Astrophys. J., 190, L117-L119.
A 1°K line has been detected in the center of the molecular cloud in the Orion Nebula which is probably the 129,363.1-MHz, J = 3→2 rotational transition of SiO in its first excited (ν = 1) vibrational state. The LSR radial velocity based on this assignment is 15.3 km/s, which is exactly that of the second strongest of the seven lines at 86.2 GHz recently found by Snyder and Buhl, and attributed by them to maser emission by the ν = 1, J = 2→1 transition of SiO. We have been unable to detect vibrationally excited SiO in any other source at 129 GHz, and a search for the ν = 1, J = 1→0 line of CO has also proved unsuccessful.
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Davis, J.H., Blair, G.N., Van Till, H., and Thaddeus, P.: Vibrationally excited silicon monoxide in the Orion Nebula, Astrophys. J., 190, L117-L119, 1974.
Davis, J.H., G.N. Blair, H. Van Till, and P. Thaddeus (1974), Vibrationally excited silicon monoxide in the Orion Nebula, Astrophys. J., 190, L117-L119.
Davis, J.H., G.N. Blair, H. Van Till, and P. Thaddeus, 1974: Vibrationally excited silicon monoxide in the Orion Nebula. Astrophys. J., 190, L117-L119.
Davis, J.H., Blair, G.N., Van Till, H., & Thaddeus, P. 1974, Astrophys. J., 190, L117.
Davis JH, Blair GN, Van Till H, Thaddeus P. Vibrationally excited silicon monoxide in the Orion Nebula, Astrophys J 1974;190:L117-L119.
J.H. Davis, G.N. Blair, H. Van Till, P. Thaddeus, Astrophys. J. 190, L117-L119 (1974).
