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White Dwarfs: Cosmological and Galactic Probes (Paperback, Softcover reprint of hardcover 1st ed. 2005)
Loot Price: R2,926
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White Dwarfs: Cosmological and Galactic Probes (Paperback, Softcover reprint of hardcover 1st ed. 2005)
Series: Astrophysics and Space Science Library, 332
Expected to ship within 10 - 15 working days
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In the past few years, general astronomical interest has
concentrated on s- eral objects and phenomena where white dwarf
stars play a key role. T Type Ia supernovae have been used as
evidence to show that, in fact, Einstein did not make his greatest
blunder when heallowedfor the possibility of a c- mological
constant. Improvements in our knowledge of the Hubble parameter
have revived interest in the use of white dwarf stars as a
different typeofc- mochronometer to measuretheage of the Galaxy
andthus set constraints on the age of the Universe. In roughly the
same time period, there have been considerable advances in our
understanding of white dwarf stars, both as i- lated stars in the
?eld and as members ofinteracting binary systems. Much of
thisadvance has come from theavailabilityof spacecraftobservations
from missions like HST T T, IU UE, ROSAT T, EXOSAT T, Chandra,
ORFEUS, EUVE, HUT T T, and FUSE. The discovery of thousandsof new
white dwarfs from a number oflarge surveys and thepotential of
theSloan Digital SkySurvey have added impetus to the ?eld. Studies
ofinteracting binaries such as classical novae, supersoft X-ray bi-
ries, symbiotic variables, dwarf novae and nova-like objects have
revealed the diff ferences between thethermal evolution of
singleand close binary systems aswell as heightenedinterest in
these systems as progenitors of the cosmol- ically important Type I
supernovae. A more speculative question is whether classical novae
can beunderstood well enough that theymight provide another kind of
standard candle.
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