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| Paper: |
Optical Monitoring of the Quasar 1156+295 during the March 1998 Outburst |
| Volume: |
159, BL Lac Phenomenon |
| Page: |
107 |
| Authors: |
Villata, M.; Sobrito, G.; Raiteri, C. M.; de Francesco, G.; Lanteri, L. |
| Abstract: |
We present optical data of the quasar 1156+295 (4C 29.45) taken in the last four years at the Torino Astronomical Observatory with the 1.05 meter REOSC telescope. Large-amplitude variations characterize the source light curve; in particular, during the last observational season an optical outburst was detected, the R magnitude reaching 13.68 on March 17, 1998. A CGRO pointing was obtained as a ToO: the comparison between the optical and gamma-ray emissions will provide constraints for the interpretation of the high-energy emission mechanisms. |
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