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Photometric and Spectroscopic Binary Systems - Proceedings of the NATO Advanced Study Institute held at Maratea, Italy, June 1-14, 1980 (Paperback, Softcover reprint of the original 1st ed. 1981)
Loot Price: R5,964
Discovery Miles 59 640
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Photometric and Spectroscopic Binary Systems - Proceedings of the NATO Advanced Study Institute held at Maratea, Italy, June 1-14, 1980 (Paperback, Softcover reprint of the original 1st ed. 1981)
Series: NATO Science Series C, 69
Expected to ship within 10 - 15 working days
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Our conference - opening today - has two aims in view: first, to
commemorate some milestones in the development of the studies of
close binary systems whose anniversaries fall in these years, as
well as to take stock of our present knowledge accumulated through
out preceding decades, in order to consider where do we go from
here. This summer, 310 years will have elapsed since the first ec
lipsing binary - Algol - was discovered in Bologna by Geminiano
Montanari (1633-1687) to be a variable star; and 198 years have
gone by since John Goodricke of York (1764-1786) established the
fact that Algol's light changes were periodic. Moreover, it is al
most exactly (to a month) now 100 years since Edward Charles
Pickering (1846-1919) of Harvard Observatory in the United States
took the first steps towards the development of systematic methods
of analysis of the light changes of Algol and related systems - a
topic which will constitute the major part of the programme of our
present conference. The three dates recalled above illustrate that
the discoverers of such celestial objects and observers of their
light changes have been systematically ahead of the theoreticians
endea vouring to understand the significance of the observed data
by de cades and centuries in the past - a fact which, incidentally,
con tinues to hold good (albeit with a diminishing lead-time) up to
the present.
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