Physics – Nuclear Physics
Scientific paper
Nov 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aipc..637...28s&link_type=abstract
CLASSICAL NOVA EXPLOSIONS: International Conference on Classical Nova Explosions. AIP Conference Proceedings, Volume 637, pp. 2
Physics
Nuclear Physics
2
Novae, Dwarf Novae, Recurrent Novae, And Other Cataclysmic Variables, Faint Blue Stars, White Dwarfs, Degenerate Stars, Nuclei Of Planetary Nebulae, Abundances, Chemical Composition, Nuclear Physics Aspects Of Novae, Supernovae, And Other Explosive Environments
Scientific paper
Enhanced abundances of P, Mn and Al and a general enhancement of N/C ratios provide the first direct evidence that past thermonuclear runaways have occurred on the white dwarfs in dwarf novae and novalikes and indicate that these systems share a common history. Four different types of observations (elevated Al in HST spectra, unusual N/C ratios in FUSE and IUE spectra, the CN blend in optical spectra and low CO in IR spectra) show that a wide variety of systems exhibit peculiar abundances. Since these abundances share a common pattern, they provide clues to the past history of these systems, yet also provoke unsolved questions.
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