Campo di Ricerca METEORE
origin is cometary. The stream occurs in the last days of April and the maximum of activity occurs in the days 22-23 April. The Lyrids were studied in 2007 using radio observations. The radio data were obtained using the meteor scatter techniques. The activity of the stream has been analyzed using the method SVB. This method allows to separate from the observed datas the sporadic activity and the observability function of the forward-scatter apparatus and from these to obtain the true activity of the stream. The data were taken from the Radio Meteor Observation Bullettins. The purpose
of this analysis is the definition of the main characteristics of the stream. The solar longitude of the maximum of the activity is λ0 = 32.4° ± 0.2°.
We had not acquired the data, but they were given to us by the association "Astrofili Bolognesi" that had built a radio device based on the principle of forward-scatter.
These results were compared with the others taken from the “Meteor Radio Orservating Bulletin.
In a second moment we studied the actions of the shower analysing that data taken from the archive provided by the “International Meteor Organization”.
In the end, the results obtained from the radio were compared to those emerged from the visual technique; and finally we compared this data with the scientific literature. We particularly pointed out how the meteor shower of Geminids is part of a more complex meteor stream, where there seems to be a presence of other two showers with similar characteristics.