... The dust in the disk midplane has opacity = 0:01(=1:3mm) 1 cm 2 g 1 . ... in the near-infrared, where one is sensitive to the lack of the hottest diskdust ... it seems natural to associate at disks with dust sedimentation toward the midplane ...
... Tracing Dust in Spiral Galaxies Ghent 1317 May 2007 Twodimensional bulge/disk ... are Traci virtually independent of disks. ng Dust in Spiral Galaxies Ghent 1317 May ...
... Dividing the nebula in two is a dense, edge-on disk of dust and gas which appears as the thick, dark band crossing the center ... Dark clouds and bright wisps above and below the disk suggest that it is still building up from infalling dust and gas. ...
... 12/2009 James Clerk Maxwell Telescope, Hawaii, USA: An extended dustdisk in NGC 891 ... Truncated dustdisks in HI-deficient spirals, 2010, Astronomy and Astrophysics, 518 ...
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Ссылки http://www.arcetri.astro.it/~sbianchi/home/Simone_Bianchis_Homepage_files/curr_en.pdf -- 127.1 Кб -- 19.01.2016 Похожие документы
... The dust in the disk midplane has opacity = 0.01(/1.3 mm)-1 cm2 g-1 (Beckwith et al. ... in the near-infrared, where one is sensitive to the lack of the hottest diskdust ...
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Ссылки http://www.arcetri.astro.it/~lt/preprints/bd_roph/bd_roph.pdf -- 1910.5 Кб -- 11.09.2007 Похожие документы
... We describe the opacity of the dust in the disk midplane as a powerlaw function of ... The mass of dust in the disk is ё 1:5 \Theta 10 \Gamma4 M fi , again typical of ...
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Ссылки http://www.arcetri.astro.it/~lt/preprints/uxors_vla/uxors_vla.ps.gz -- 167.2 Кб -- 11.09.2007 Похожие документы
... the observations, determining the properties of dust in disks surrounding pre-main ... on radius ( / R p ), the properties of dust on the disk surface and in the midplane ...
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Ссылки http://www.arcetri.astro.it/~lt/preprints/hae_dust/natta.ps.gz -- 92.9 Кб -- 11.09.2007 Похожие документы
... 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 ...
... 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 ...