A catalog of secondary photometric standard stars around gravitational lenses
Th. NakosRoyal Observatory of Belgium, Ringlaan 3, 1180 Brussels, BelgiumE. O. OfekSchool of Physics and Astronomy, Tel-Aviv University, Tel-Aviv 69978, IsraelP. BoumisDepartment of Physics, University of Crete, PO Box 2208, 710 03 Heraklion, Crete, GreeceJ. CuypersRoyal Observatory of Belgium, Ringlaan 3, 1180 Brussels, BelgiumD. SinachopoulosInstitute of Astronomy & Astrophysics, National Observatory of Athens, Lophos Kouphou - Palaia Penteli, 15236 Athens, GreeceE. van DesselRoyal Observatory of Belgium, Ringlaan 3, 1180 Brussels, BelgiumA. Gal‐YamColton FellowJ. PapamastorakisDepartment of Physics, University of Crete, PO Box 2208, 710 03 Heraklion, Crete, Greece
2003en
ABI
Аннотация
We present a catalog of secondary photometric standard stars in the neighborhood of 14 gravitationally lensed quasars. These stars were verified to be non variable using long-term monitoring. The instrumental magnitudes of the new standard stars have been transformed to the Johnson-Cousins photometric system. For ten gravitational lenses (GLs) we also provide the mean magnitudes of the integrated flux of all the lens components, for the epochs of the photometric calibration.
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