Interstellar Polarization in the Small Magellanic Cloud
نویسندگان
چکیده
منابع مشابه
Dust in the Small Magellanic Cloud: Interstellar Polarization and Extinction
The typical extinction curve for the Small Magellanic Cloud (SMC), in contrast to that for the Galaxy, has no bump at 2175 Å and has a steeper rise into the far ultraviolet. For the Galaxy the interpretation of the extinction and, therefore, the dust content of the interstellar medium has been greatly assisted by measurements of the wavelength dependence of the polarization. To the present no s...
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The infrared emission from interstellar dust in the Small Magellanic Cloud is modeled using a mixture of amorphous silicate and carbonaceous grains, including a population of polycyclic aromatic hydrocarbon (PAH) molecules. We show the following: (1) This dust model is able to reproduce the spectral energy distribution from near-IR to far-IR for the entire SMC Bar region, provided that the PAH ...
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We compare the distribution of stars of different spectral types, and hence mean age, within the central SMC and find that the asymmetric structures are almost exclusively composed of young main-sequence stars. Because of the relative lack of older stars in these features and the extremely regular distribution of red giant and clump stars in the SMC central body, we conclude that tides alone ar...
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We investigate (1) the origin of the bifurcation of the Magellanic stream (MS), (2) the formation of distinctively metal-poor stellar populations in the Large Magellanic Cloud (LMC) due to sporadic gas transfer from the SMC, and (3) the collision between the leading arms (LAs) of the MS and the outer part of the Galactic HI disk based on numerical simulations of LMC-SMCGalaxy interaction for th...
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The first INTEGRAL observations of the Small Magellanic Cloud (carried out in 2003) are reported in which two sources are clearly detected. The first source, SMC X-1, shows a hard X-ray eclipse and measurements of its pulse period indicate a continuation of the long-term spin-up now covering ∼30 years. The second source is likely to be a high mass X-ray binary, and shows a potential periodicity...
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ژورنال
عنوان ژورنال: Symposium - International Astronomical Union
سال: 1992
ISSN: 0074-1809
DOI: 10.1017/s0074180900089798