Titlebook: White Dwarfs: Cosmological and Galactic Probes; Edward M. Sion,Stéphane Vennes,Harry L. Shipman Book 2005 Springer Science+Business Media

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https://doi.org/10.1007/1-4020-3725-2Bulge; Cosmology; Star; Type Ia supernovae; Universe; White dwarf stars; accretion physics; cosmochronology

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ORBIT

Influence of Metallicity in the Determination of the Age of Halo White DwarfsThe authors study the effect of metallicity on post-AGB evolution and on the properties of remnant cores, and they examine the implications for distinct white dwarf populations in the Galactic disk and in the halo.

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How Far Can We Trust Type Ia Supernovae as Standard Candles?We review the various possibilities that have been proposed as progenitors of Type Ia supernovae (SNe Ia) from the point of view of binary evolution and population synthesis. Depending on the nature of the progenitor, there may be systematic effects that cannot be calibrated by local observations that could undermine their use as standard candles.

Coma704

Accretion in Cataclysmic Variable StarsWe consider accretion onto the white dwarfs in cataclysmic variables in relation to nova eruptions, dwarf nova outbursts, hibernation and non-radial oscillations.

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Population Synthesis for Progenitors of Type Ia Supernovaehe rate of SNe Ia ν. ～ 10. yr. both in old and young populations are merging white dwarfs. In young populations (～ 1 Gyr) edge-lit detonations in semidetached systems with nondegenerate helium star donors are also able to support a similar ν.. The estimated current Galactic rate of SN Ia with single-degenerate progenitors is ～ 10. yr..

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alische Problem galt dabei jeweils als gel?st, sobald die Bahnkurve . eines jeden Massenpunktes aus vorgegebenen Kraftgleichungen abgeleitet war. Bei einem makroskopischen Festk?rper mit seinen etwa . Teilchen pro cm. wird das Konzept des Massenpunktes natürlich fragwürdig. Es ist allerdings auch zu

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D. Carollo,A. Spagna,M.G. Lattanzi,R.L. Smart,B. McLean,S.T. Hodgkin,L. Terranegraalische Problem galt dabei jeweils als gel?st, sobald die Bahnkurve ..(.) eines jeden Massenpunktes aus vorgegebenen Kraftgleichungen abgeleitet war. Bei einem makroskopischen Festk?rper mit seinen etwa 10. Teilchen pro cm. wird das Konzept des Massenpunktes natürlich fragwürdig. Es ist allerdings a

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