NOVAE EJECTA AS DISCRETE ADIABATICALLY EXPANDING GLOBULES

OG 2.5-2 SPECTRAL EVOLUTION OF y-RAYS FROM ADIABATICALLY EXPANDING SOURCES IN DENSE CLOUDS

The excess of antiprotons (P) observed in cosmic rays has been attributed to their production in supernova_(SN) envelopes expanding in dense clouds. While creating P, y-rays are also produced and these clouds would shine as y-ray sources. The evolution of the Y-ray spectrum has been calculated for clouds of nH = 104 and 105/cm 3.

Recurrent Novae , Classical Novae , Symbiotic Novae , and Population II

Light curve analysis of decay phase of nova outburst are summarized. Nova duration is determined by the strong wind mass-loss which depends only on the white dwarf mass. Fast novae correspond very massive white dwarfs and very slow novae correspond almost lower mass limit of white dwarfs. This relation is shown in both of classical novae and recurrent novae. Light curves are theoretically repro...

Classical Novae as Super-Eddington Objects

Several of the inconsistencies plaguing the field of novae are resolved once we consider novae to be steady state super-Eddington objects. In particular, we show that the super-Eddington shell burning state is a natural consequence of the equations of stellar structure, and that the predicted mass loss in the super-Eddington state agrees with nova observations. We also find that the transition ...

Molten globules

When were they discovered? As early as the 1960s, there was evidence that under certain conditions protein molecules might have properties intermediate between the rigid native and fully unfolded states. The concept of such a protein as an intermediate in protein folding was suggested by the late Oleg Ptitsyn in the 1970s. A compact, partly folded protein was first observed experimentally in th...

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