On some prospects of UV observatories for studies of galaxies-IGM mass exchange |
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| Authors: | Boris Shustov |
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| Institution: | 1. Institute of Astronomy, Pyatnitskaya 48, Moscow, Russia
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| Abstract: | Two mechanisms of mass loss: galactic wind accompanied by the expulsion of supershell remnants and dust expelling from galaxies are briefly considered. Theoretically estimated parameters of the supershell fragments are similar to those of observed objects in vicinity of the Milky Way: small HI clouds and OIV structures observed with FUSE. Dust expelling brings dust in the IGM, and thus the analysis of intergalactic extinction curve will reveal a nature of the intergalactic dust. Evaporation of circumgalactic dust will change the chemical composition of gaseous galactic coronae. Ultraviolet observatories will have a significant impact on studies of these processes. Some prospects of such observations are outlined. |
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