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Palmer, H. P. (Henry Procter)

Overview
Works: 12 works in 48 publications in 1 language and 1,373 library holdings
Roles: Editor
Classifications: QB860, 523
Publication Timeline
Key
Publications about H. P Palmer
Publications by H. P Palmer
Most widely held works by H. P Palmer
Quasars, their importance in astronomy and physics by F. D Kahn( Book )
16 editions published between 1967 and 1968 in English and held by 754 libraries worldwide
Radio studies of the universe by R. D Davies( Book )
10 editions published in 1959 in English and held by 290 libraries worldwide
Radio astronomy today; papers designed to present radio-astronomy in all its aspects, given at the Jodrell Bank Summer School, 1962 by H. P Palmer( Book )
12 editions published between 1962 and 1963 in English and held by 242 libraries worldwide
Radio astronomy today; papers designed to present radio-astronomy in all its aspects by Summer School in Radio Astronomy( Book )
2 editions published in 1963 in English and held by 77 libraries worldwide
Galactic radio sources of large angular diameter by H. P Palmer( Book )
1 edition published in 1954 in English and held by 3 libraries worldwide
Radio astronomy today : papers given ... at the Jodrell Bank Summer School, 1962 ( Book )
1 edition published in 1963 in English and held by 1 library worldwide
New limits to the angular sizes of some quasars by R. L Adgie( Book )
1 edition published in 1965 in English and held by 1 library worldwide
"In previous experiments at Jodrell Bank the angular sizes of discrete radio sources have been investigated by means of long baseline interferometers. The highest resolving power used previously was obtained during observations at a wave-length [Greek letter Delta] = 0.73 m with telescopes 180,000 wave-lengths apart (134 km). Four quasi-stellar and one unidentified source were found to be unresolved in those observations. Their angular sizes were thus shown to be smaller than 0.4 sec of arc. In a further attempt to resolve these sources another experiment has been carried out using the Mark I 250-ft. radio telescope at Jodrell Bank, and one of the 82-ft. radio telescopes operated by the Royal Radar Establishment, Malvern. The separation of these telescopes is 127 km, in a direction which is close to north-south. This interferometer worked on a wave-length [Greek letter Delta] = 0.21 m, so that the maximum resolving power was more than three times greater than had been obtained in the previous observations. The effective resolving power changes as sources are observed in different directions, but its maximum value is greater than 600,000 wave-lengths for most sources. With this baseline the output fringe frequency produced as the radio source moves through the lobes of the interferometer pattern varies with hour angle from 0 to as much as 40 c/s. An almost identical frequency was produced continuously by a digital 'fringe speed machine' and this was subtracted from, the interferometer output, so that the fringe patterns displayed on the chart recorder were normally slower than 0.5 cycles/min. A microwave link system was established between the two observatories, via two repeater stations. A new very-high-frequency phase-locking system was also developed, with equipment at each site."
Observations of 384 radio sources at a frequency of 158 Mc/s with a long baseline interferometer / L. R. Allen . . . [et al.] by L. R Allen( Book )
1 edition published in 1962 in English and held by 1 library worldwide
"The angular sizes of 384 radio sources have been investigated by means of interferometric measurements of 158 Mc/s. For each source, observations were made at transit with one or more of four values of aerial separation, in the range 2 200 to 61 100 wavelengths. All the baselines had directions close to east-west. The problems of calibrating observations at long baselines are discussed. It is estimated that the combined r.m.s. errors in fringe visibility do not exceed 50 per cent."
Radio astronomy today : papers, designed to present radio-astronomy in all its aspects, given at the Jodrell Bank Summer School, 1962, ed. by Summer School in Radio Astronomy( Book )
in Undetermined and held by 1 library worldwide
Papers 1947-1978 by H. P Palmer( Book )
1 edition published in 1979 in Undetermined and held by 1 library worldwide
Radio astronomy today by H. P Palmer( Book )
1 edition published in 1963 in English and held by 1 library worldwide
 
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Alternative Names
Palmer, H. P.
Palmer, Henry Procter
Languages
English (46)
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