GRB221009A/Swift J1913.1+1946: RT-22 Simeiz observations

Volvach Alexandr; An Tao; Sotnikova Yulia

We used the RT-22 Simeiz radio telescope (Volvach et al., A&A 648, A27, 2021) to observe GRB221009A at 22.2 and 36.8 GHz. The observations were carried out on October 11th and 14th, 2022. The observations lasted about 3 hours at each band. The quasar 3C286 was used as the primary flux standard to calibrate the absolute flux scale.