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Autor:
Jacco Vink, Pierrick Martin
Publikováno v:
New Astronomy Reviews. 52:401-404
We have searched for the three decay lines of the 44Ti in Cassiopeia A with the spectrometer SPI on-board INTEGRAL. The lines at 78.4 and 1157.0 keV have been detected with a flux of (2.1 ± 0.7) × 10−5 ph cm−2 s−1, consistent with all previou