Zobrazeno 1 - 10
of 54
pro vyhledávání: '"W. M. Burton"'
Autor:
R. P. Madden, H. Kaase, W. M. Burton, A. Ridgeley, L. R. Canfield, A. T. Hatter, K. H. Stephan
Publikováno v:
Applied optics. 19(15)
The work described in this paper covers an intercomparison of absolute irradiance calibration methods applied at the U.S. National Bureau of Standards (NBS), the SRC Appleton Laboratory, Astrophysics Research Division (ARD), the Max-Planck-Institut f
Autor:
B. A. Powell, W. M. Burton
Publikováno v:
Applied optics. 12(1)
Tetraphenyl–butadiene is a useful alternative to sodium salicylate as a fluorescent wavelength converter for detectors in the vacuum uv. Measurements of the fluorescence efficiency of TPB relative to sodium salicylate over the wavelength range 735
Autor:
A. Minafra, J.C. Mandeville, John C. Zarnecki, S. C. Chakaveh, J. G. Firth, A. N. Littler, Max K. Wallis, G. C. Evans, R. E. Olearczyk, S. T. Evans, R. J. L. Grard, G. S. Pankiewicz, Gerhard Schwehm, T. J. Stevenson, D. H. Clark, R. F. Turner, W. M. Burton, H. Kuczera, Z. Sekanina, W. M. Alexander, David W. Hughes, Bertil Anders Lindblad, J. A. M. McDonnell, L. Massonne, E. Bussoletti, Eberhard Grün, Eduard Igenbergs, Martha S. Hanner
Publikováno v:
Nature. 321:338-341
The density and the mass spectrum of the dust near comet Halley have been measured by the Giotto space probe's dust impact detection system. The dust spectrum obtained at 291,000 km from the comet nucleus show depletion in small and intermediate mass
Autor:
W M Burton
Publikováno v:
Journal of Physics D: Applied Physics. 16:L129-L132
A new technique is proposed for the preparation of pure aluminium mirror surfaces for ultraviolet astronomical instruments in orbiting space vehicles. Pure aluminium surfaces can provide high reflectivity at ultraviolet wavelengths in the region 90-1
Publikováno v:
Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences. 279:355-369
A star-stabilized Skylark rocket was launched from Woomera in June 1973 to record ultraviolet spectra of the bright stars y 2 Velorum and £ Puppis. The instrumentation consisted of three Wadsworth-mounted objective grating spectrographs with a combi
Autor:
W. M. Burton, R. G. Evans
Publikováno v:
Symposium - International Astronomical Union. 70:199-207
The main part of this paper is concerned with observations obtained using the Princeton ultraviolet telescope-spectrometer on the Copernicus satellite through the Princeton guest investigator programme. These observations provided high resolution ult
Autor:
R. G. Evans, W. M. Burton
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 167:517-525
Autor:
W. G. Griffin, C. Lewis, R. Wilson, D. B. Shenton, F. D. Macchetto, A. Boksenberg, R. G. Evans, H. J. B. Paxton, W. M. Burton
Publikováno v:
Nature Physical Science. 246:37-40
A SKYLARK rocket payload (SL 1111) with a three-axis attitude stabilisation system and instrumentation for high resolution stellar spectroscopy was launched at Woomera, South Australia, at 1030 UT on June 16,1973. The flight was entirely successful,
Publikováno v:
Journal of Physics E: Scientific Instruments. 6:302-305
A calibrated detector system developed for a program of ultraviolet intensity measurements is described. The detector uses a tungsten photodiode as a secondary standard in the wavelength range 50-120 nm, together with a vacuum photocell sensitized by
Autor:
H K Bamber, G E Lillie, F Couchman, F R Johnson, J N D La Touche, W M Burton, H B Taylor, H Burt, J D Shannon, W V Constable, E G Walker
Publikováno v:
Minutes of the Proceedings of the Institution of Civil Engineers. 213:89-122
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