Prospects for detectability of classical novae with INTEGRAL

Details Prospects for detectability of classical novae with INTEGRAL Prospects for detectability of classical novae with INTEGRAL

2001-03-26

arxiv.org/abs/astro-ph/0103420v1

Astronomy and Astrophysics

Astrophysics

Contributed paper at the 4th INTEGRAL Workshop, 4-8 September 2000, Alicante (Spain). To be published in the ESA-SP series: 4

Scientific paper

Classical novae are potential gamma-ray emitters, both in lines and in a continuum. Continuum emission (at energies between 20-30 and 511 keV) and line emission at 511 keV are related to positron annihilation and its Comptonization in the expanding shell; 18F is the main responsible of positron production. The lines at 478 and 1275 keV have their origin in the decay of the radioactive nuclei 7Be and 22Na. Updated models of nova explosions have been adopted for the computation of the gamma-ray emission. New yields of some radioactive isotopes directly translate into new detectability distances of classical novae with INTEGRAL.

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