VizieR Online Data Catalog: Optical-NIR light curve of the quasar 3C 273 (Figaredo+, 2020)

3C273 was observed between 2015-April and 2019-June with semi-robotic optical and near infrared (NIR) telescopes of the Bochum University Observatory near Cerro Armazones (OCA) in Chile. The optical telescopes used are: the 40cm Bochum Monitoring Telescope (BMT), the 15cm Robotic Bochum Twin Telescope ROBOTT (formerly named VYSOS 6, for short V6), the 25cm BEST-II, and the 80cm infrared telescope IRIS.

The light curves were created using 5-10 nearby (<30') calibration stars. The optical and NIR absolute flux calibration was performed by comparison with the PANSTARSS and the 2MASS catalog, respectively; also, airmass-dependent extinction and Galactic foreground extinction corrections were applied.

(1 data file).