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Introduction to the JCMT-CSO Interferometer

Published online by Cambridge University Press:  25 May 2016

M.C. Wiedner ,
R.E. Hills ,
J.E. Carlstrom  and
O.P. Lay
M.C. Wiedner
Affiliation:
Mullard Radio Astronomy Observatory (MRAO), Madingley Road, Cambridge, CB3 0HE, Great Britain
R.E. Hills
Affiliation:
Mullard Radio Astronomy Observatory (MRAO), Madingley Road, Cambridge, CB3 0HE, Great Britain
J.E. Carlstrom
Affiliation:
Devision of Physics, Mathematics and Astronomy, Caltech, Pasadena, CA 91125, USA
O.P. Lay
Affiliation:
Devision of Physics, Mathematics and Astronomy, Caltech, Pasadena, CA 91125, USA

Extract

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The James Clerk Maxwell Telescope (JCMT) and the Caltech Submillimeter Observatory (CSO) are located 160m apart on Mauna Kea, Hawaii. Recently they have been linked together to allow the first submillimetre interferometric observations (between 300GHz and 490GHz, soon to 690GHz). Submillimetre observations can be used to probe the physical conditions of molecular clouds and dust in starforming regions. Lines from rotational transitions of molecules such as CO, HCN and HCO+ trace densities, temperatures and masses of molecular gas. The thermal emission of cold dust, typically found in dense clouds, also peaks in the submm regime.

Type
Poster Papers
Information
Symposium - International Astronomical Union , Volume 171: New Light on Galaxy Evolution , 1996 , pp. 467
Copyright
Copyright © Kluwer 1996 

References

Carlstrom, J.E., Hills, R.E., Lay, O.P., Force, B., Hall, C.G., Phillips, T.G. and Schinckel, A.E. 1994, in Astronomy with Millimeter and Submillimeter Wave interferometry, eds. Ishiguro, M. and Welch, W.J., ASP Conference Series, p.135 CrossRefGoogle Scholar