Abstract
In the course of the blazar monitoring activity at the Torino Astronomical Observatory, we obtained standard BV R magnitudes for 36 stars and standard VR magnitudes for 10 stars in the fields of 9 quasars. Observations were done during 14 photometric nights with the 1.05m Cassegrain REOSC telescope equipped with a 1242 × 1152 pixel CCD camera. All stars are brighter than V = 16.6 and are useful comparison objects for the evaluation of the quasar magnitudes.
Cite
CITATION STYLE
Raiteri, C. M., Villata, M., Lanteri, L., Cavallone, M., & Sobrito, G. (1998). BVR photometry of comparison stars in selected blazar fields. Astronomy and Astrophysics Supplement Series, 130(3), 495–500. https://doi.org/10.1051/aas:1998420
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