Faint Blue Objects at High Galactic Latitude. VIII. Performance Characteristics of the US Survey von Mitchell, Kenneth J, Usher, P. D

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The US Survey and the Incidence of Bright Quasars von Usher, P. D, Mitchell, K. J

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Spectroscopy of variable blue stellar objects von USHER, P. D, WARNOCK, A. III, GREEN, R. F

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BL Lacertae objects - The case for synchronous optical-radio outbursts in OJ 287 von Usher, P. D.

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Optical Morphology of Bright Quasars on Images Taken With 1.2 M Schmidt Cameras von Fabian, Dirk, Usher, P. D.

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On the completeness of a sample of bright quasars selected by colour excess in the direction of the North Galactic Pole von WARNOCK, A. III, USHER, P. D, MITCHELL, K. J, HOWELL, S. B

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Photometric History of BL Lacertae von SHEN, B. S. P, USHER, P. D

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Optical Variability of a Bright New Quasi-stellar Source von LUCCHETTI, S. C, USHER, P. D

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US 3215: An Active gE2 Galaxy von Howell, Steve B., Pesce, Joseph E., Condon, J. J., Ciardullo, Robin, Usher, P. D.

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Identification of XX Ceti and US 3215 as Extragalactic Objects von Howell, Steve B., Usher, Peter D.

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Radio-Transit Telescopes steerable in Azimuth von USHER, P. D

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Faint blue objects at high galactic latitude. I - Palomar Schmidt field centered on selected area 57 von Usher, P. D.

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Photometric theory for wide-angle phenomena von Usher, Peter D.

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Optical variability of PKS0048-097 von USHER, P. D, KOLPANEN, D. R, POLLOCK, J. T

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Optical variability of the medium-bright quasar sample von KE-LIANG HUANG, MITCHELL, K. J, USHER, P. D

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Faint blue objects at high galactic latitude. IV - Palomar Schmidt fields centered on selected areas 55 and 94 von Huang, K.-L., Usher, P. D.

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Yearly Variations of 3C 120 von USHER, P. D, SHEN, B. S. P, WRIGHT, F. W

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Optical Amplitudes and Radio Spectra of Variable Galaxies von HALL, D. L, USHER, P. D

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A comparison of some radio and optical properties of quasi-stellar sources and BL Lacertae objects von Usher, P. D.

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A medium-bright quasar sample - New quasar surface densities in the magnitude range from 16.4 to 17.65 for B von Mitchell, K. J., Warnock, A., III, Usher, P. D.

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