Intraday variability in compact extragalactic radio sources - I. VLA observations

We present the data of three observing campaigns with the VLA performed to study intraday variability in compact extragalactic radio sources. The firs t campaign (May 1989) lasted 5 days; total intensity as well as linear pola rization data, were obtained at 2, 3.6, 6. and 20 cm wavelength for 9 progr am sources. In the second observing run (February 1990); a five-antenna sub array of the VLA was used for 25 days to monitor the sources 0716+714, 0917 +624, and 0954+658, with dense sampling at the same four wavelengths. In th e third run (October 1992). which lasted 22 days, 8 program sources were mo nitored at 3.6. 6, and 20 cm wavelength; and 2 additional sources at 6 cm o nly, again with a five-antenna subarray. We present summary tables, light c urves, and structure functions from these data sets.