... ends, and the helium shell has su uciently reduced the helium envelope mass, the star contracts to become a white dwarf ... The majority of EHes and RCrB stars are single low-mass supergiants with temperatures between 7 000 and 35 000 K, luminosities ...
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Ссылки http://star.arm.ac.uk/~csj/papers/conference/2002_WD13_merger.ps -- 84.7 Кб -- 06.08.2002 Похожие документы
... cool companions identify them as main-sequence stars with masses in the range 0.8{ 1 ... of the binary systems are sdB stars with typical masses of 0:5M (Heber et al ...
... b e able to measure the mass of the neutron stars in AMSPs, and confirm their exp ... to measure the radial velocity of the low mass secondary star (M2 0.05 M ; Bildsten ...
... the chromosphere and corona, and Sun-Earth relationships including climate; 4 · Stellar Astrophysics: including hot stars, massivestars, stellar winds, degenerate and helium stars, asteroseismology, studies of binary stars (including their origins ...
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Ссылки http://star.arm.ac.uk/jobs/2011/EUNAWE/npm_obs_general_info.pdf -- 70.4 Кб -- 05.07.2011 Похожие документы
... light curves produced by the stars (whose masses should also be determined), and ... hypothesise a cool companion Star B as an M-dwarf, whose mass can also be estimated ...
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Ссылки http://star.arm.ac.uk/~csj/nuffield/reports/2012_McCarney.pdf -- 1375.4 Кб -- 11.09.2012 Похожие документы
... Stan Woosley believes that bursts happen when a very massivestar suddenly turns into a black hole. ... edge of the universe, are formed by either a very massivestar collapsing or two neutron stars colliding, and the most likely ...