... and the dust, as traced by the 10 micron emission, in the protoplanetary disk around ... The disk around HD 179218 is flared in the dust. ... the disk initially flared becomes flat under the combined action of gas-dust ...

... The eclipses are probably due to a disk of gas and dust surrounding the hot companion. ... Surrounded by an envelope of gas and dust or a disk of 0.45" (lambda = 5 mkm) angular size. ...

... from jets fired by stars still embedded in their dust and from jets fired by stars still embedded in their dust and gas cocoons to disks of material encircling young stars gas cocoons to disks of material encircling young stars that could be the building ...

... different components in AGN: the accretion disk, the jets of relativistic particles ... Acceleration of particles 62 . Accretion disk 4-10 35 . Accretion disk, ADAF 11 . ...

... Spiral galaxies are flattened, disk-shaped systems in which young stars, dust and gas are concentrated in spiral arms coiling out from a central bulge, the nucleus. ...

... The dust extinction within galaxies in the B-band, ai [mag] is computed after Bottinelli et al. 1995, A&A296, 64 . ... k is the bulge to disk ratio and depends on morphological type as follows: k=0.754*10 (-0.2*t) , if k >1 then k=1 (Simien and ...

... but it is rather gas-rich, and its inner region reveals numerous dark lanes possibly related to the perturbed dust layer ... described as the sum of the outer and the inner exponential disks differed by their scale lengths, and the small Аompact bulge ...

... explaining some of the problem areas outlined above, in particular ways to slow down the rotation of the Sun, it is believed that the planets originated in a dense disk which formed from material in the gas and dust cloud which collapsed to give the Sun ...