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- W185075307 abstract "Abstract In the past few years EGRET observations of extragalactic radio sources demonstrated the presence of blazars at high energies and supplied informations about their enormous luminosities. Questions arose whether outbursts at these high frequencies can be linked to structural changes in the radio regime and the need for VLBI monitoring became obvious. In the past two decades geodetic VLBI measurements gathered this kind of data. We analyzed λ =3.6 cm observations with high time-resolution (up to once a month) from the geodetic IRIS campaigns for the γ -ray active quasars PKS 0420-014 and PKS 0528+134. In both sources superluminally moving jet components could be traced over time periods of several years on curved trajectories. Both sources exhibit component ejections preceding the time of an observed gamma-ray flaring." @default.
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- W185075307 date "1998-01-01" @default.
- W185075307 modified "2023-09-23" @default.
- W185075307 title "Monthly VLBI Monitoring of Selected Gamma-Bright Quasars" @default.
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- W185075307 doi "https://doi.org/10.1017/s0252921100044444" @default.
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