MMA Memo #119

The Optimum Elongation of the MMA A Configuration

S.M. Foster [1]

July 21, 1994

Keywords: configuration, array

We consider the optimum north-south elongation for the Millimeter Array A configuration and interferometric arrays in general. The optimum elongation depends primarily on the observational requirements of the array, with a very week dependence on the latitude. Assuming that the Millimeter Array A configuration will be used primarily for long integrations, we find that the optimum north-south axis ratio is 1.1 for the latitudes of both Mauna Kea (19.8 degrees North) and South Baldy (34 degrees North). Finally, we present two options for locating an array of this size on the proposed Mauna Kea site.

[1] NRAO/Socorro

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Last modified: 09 December, 1999