Danjon, André (Louis (1890-1967) astronomer)
Found in 20 Collections and/or Records:
A copy of a letter from R.H. Stoy, Royal Observatory, Cape Province, South Africa, to A. Danjon, Paris Observatory, 23 October 1954, regarding the selection of a site for the proposed European Observatory, suggesting the enlisting of support from C. Jackson and S.P. Jackson, and recommending that a seeing survey be carried out. There are also copies of Stoy's correspondence with C. and S.P. Jackson, 20 September - 12 October 1954, who express views on sites and conditions.
Correspondence regarding French observatories, including the Paris Observatory and Meudon Observatory. There is also a paper by A. Danjon, in French, on 'The Analysis of Inequalities in the Rotation of the Earth'.
Correspondence regarding the meridian circle, including letters from A. Danjon to Richard Woolley concerning the determination of longitude, 1956; letters from R. Atkinson concerning the analysis of measurements made with the meridian circle, 1950; and drawing No. 4591 of the 7-inch transit circle 'Copenhagen', showing the proposed arrangement of the axis thrust block, 22 June 1948, prepared by Sir Howard Grubb, Parsons and Co. Ltd.
Correspondence regarding the Paris Observatory, including correspondence with A. Danjon and comments by M. de Vaucouleurs on 'some remarks on the value of the solar parallax'.