Other
Scientific paper
Nov 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aipc..637..430j&link_type=abstract
CLASSICAL NOVA EXPLOSIONS: International Conference on Classical Nova Explosions. AIP Conference Proceedings, Volume 637, pp. 4
Other
Novae, Dwarf Novae, Recurrent Novae, And Other Cataclysmic Variables, Nucleosynthesis In Novae, Supernovae, And Other Explosive Environments, Photometric, Polarimetric, And Spectroscopic Instrumentation
Scientific paper
The radioactive isotope 22Na is one of the primary tracer isotopes that may potentially be detectable by γ-ray spectroscopy. This isotope is predicted to be produced in ONe nova explosions, yet no detection of its 1.275 MeV γ-ray signature has been reported so far. In this paper we will present the implications of the flux upper limits obtained by several instruments on the permissible 22Na yield for ONe novae. We base our analysis on extensive Monte-Carlo simulations of galactic 1.275 MeV emission that were constrained by the most recent results of galactic nova rates and distributions. We demonstrate that the non-detection of the 1.275 MeV line implies a solid upper 22Na yield which is in agreement with current theoretical nucleosynthesis calculations. Sensitivity of the future spectrometer of the INTEGRAL observatory for the observation of this emission is also presented.
Hernanz Margarida
Jean Pierre
Jose Jubin
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