... by assuming that the optically unseen secondary is a disk of gas and dust which is in centrifugal balance in the radial ... demonstrates that the Aurig? disk is well-modeled by a gas/dustdisk with a scale height at its outer edge that is 3% of the ...
... are any infrared lines that might help to categorize the object; (2) any faint dust features that might help to characterize the dustdisk around the throat of the nucleus; (3) model the mid-IR spectra energy shape more precisely by combining the spectral ...
... 2009; Lauer 2012). The morphological type could be misclassified due to hidden disks or dust obscuration. ... 13. Dust features: D (dusty disk), F (dusty filament), B (blue nucleus) and BR (blue ring) from Krajnovi, D. et al. (2011). 14. ...
... In each case, the overall disk structure, dust and molecular composition wil l have been measured using the Spitzer, Herschel, JWST, and ALMA telescopes. ...
... emission model and nonthermal power law or dust, irradiation of the disk surface ... the size of dust grains, the size of the dust region, the disk inclination angle ...
... temperature is below 1000 K and allows for dust formation Ouflow is cased by radiation pressure acting on dust grains Far from the disk the dusty clouds are irradiated and dust evaporates Dustless material looses support against gravity and falls back ...
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... in a rotating, inner disk, and of the warm dust emission detected with Spitzer ... the nucleus sitting in a small unobscured hole at the center of a thin dustdisk ... that the inner dust resides in a thin, moderately inclined disk, whose major axis ...
... in the above scalings, or directly from the realization that when pressure support is removed, gas molecules and dust travel on free-fall orbits, which must intersect the disk midplane exactly twice each orbit and thus require 1/4 orbit from peak to node ...
... The scale height of the disk is assumed to be proportional to the distance from the ... The opacity of the gas/dust mixture, (in units of cm /g), is a function of ... optical depth which we observe through the disk at a given point on the projected ...