... Such effects naturally arise if the dustdisk is less extended than the Hi and ... have also clearly demonstrated that the dustdisk is significantly reduced in very ...
... The Herschel Virgo Cluster Survey - II. Truncated dustdisks in HI-deficient spirals", L. Cortese et al. 2010, A&A 518, L49 . ... Environmental effects on molecular dust and gas in spiral disks", C. Pappalardo et al. 2012, A&A 545, A75 . ...
... While the visible light image shows a dark dustdisk, the ultraviolet image (color-coded blue) shows a bright feature along one side of the disk. ...
... They are created by dust clouds in the disk of the galaxy that obscure the distant stars. ... Debris strewn from the tails of many comets makes a disk of dust around the Sun, in the ecliptic plane where the planets orbit. ...
... This process is thought to occur in circumstellar disks of gas and dust around young stars on rather short timescales : infrared surveys show that the number of low mass stars with disks drops dramatically for stars older than 10 Myr, suggesting that in ...
... supports the earlier suggestion that dust particles in the disk have grown to sizes ... of the millimeter emission from dust in most PMS disks (e.g. Beckwith & Sargent 1991 ...
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Ссылки http://www.arcetri.astro.it/~lt/preprints/cqtauc/cqtauc.ps.gz -- 143.6 Кб -- 11.09.2007 Похожие документы
... The disk has a dust mass of 1 Earth mass (3% of the mass of the central object, for ... and no major settling of the dust onto the disk midplane has occurred during the ...
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Ссылки http://www.arcetri.astro.it/~lt/preprints/pianetone/ms.ps.gz -- 649.5 Кб -- 11.09.2007 Похожие документы
... note that since NGC 4501 and NGC 4568 are mildly Hi deficient (0.40.6, Chung et al. 2009), low global gas-to-dust values of these Virgo galaxies could arise from the stripping of the outer gas and dustdisk caused by environmental effects (Cortese et al ...
... The disk has a dust mass of 1 M (3% of the mass of the central object, for an ... and no major settling of the dust onto the disk midplane has occurred during the ... is surrounded by warm dust, possibly distributed on a disk similar in properties to ...
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Ссылки http://www.arcetri.astro.it/~lt/preprints/pianetone/gy11.pdf -- 197.3 Кб -- 11.09.2007 Похожие документы