Surface adjustment of the IRAM 30 m radio telescope |
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| Authors: | Morris D Bremer M Butin G Carter M Greve A Lamb JW Lazareff B Lopez-Perez J Mattiocco F Penalver J Thum C |
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| Affiliation: | Institut de Radioastronomie Millimetrique (IRAM), 300 Rue de la Piscine, 38406 St Martin d?Heres, France E-mail: morris@iram.fr; |
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| Abstract: | The techniques used to set and stabilise the surface of the IRAM 30 m radio telescope to a final root mean square accuracy of about 50 mm are described. This involved both phase retrieval and phase coherent holography using a variety of radiation sources at several frequencies. A finite-element model was utilised in improving the temperature control system for the telescope structure. The factors influencing the ultimate surface accuracy are discussed. |
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