The X-ray, optical, and radio behavior of Scorpius X-1 - The 1972 coordinated observations
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Engineering topics
Publications and source records attributed to Williams, W. L..
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Photometric and plane polarimetric observations of the radio source Oj 287 have been made in the optical region. The photometric data show variations of 0.10 mag with a timescale of 6-7 days superposed on a total decrease of approximately 0.5 mag during February 1972. The polarimetric data, which exhibit a similar decrease in plane polarization during this same period, suggest the possibility of a periodicity with a timescale of the order of 30 days.
In-house research on R and D management in government agencies, discussing manning, training, center programs, case studies, etc
Reproducible magnetic field sweep consisting of phase-locked system with digital frequency synthesizer