... the calculation of stochastic heating and emissivity of dust grains in the context of radiative transfer simulations ... Thermal emission by stochastically heated dust grains (SHGs) plays an important role in the radiative transfer (RT) problem for ...
... we identify clouds and clumps of dust emission and examine the cumulative mass distribution of the detected dust clouds ... dust is determined from physical parameters that we derive by performing spectral energy distribution fits to 250, 350, and 500 ...
... Enhanced dust heating in the bulges of early-type spiral galaxies . ... affect the temperatures of the cool (T ~ 20-30 K) dust component in the inner regions of galaxies, which implies that the ratio ...
... We find a significant trend between SFR/L 500 and Tc , implying that the flux of hard UV photons relative to the amount of dust is significantly contributing to the heating of the cold, or diffuse, dust component. ...
... excess: X factor, FIR dust emissivity, and gas-to-dust ratio variations between the ... dust emissivity, gas-to-dust ratio, and X factor required to match the dust and gas ...
... Dust disk around a black hole in galaxy NGC 7052 . Photo Press Release Space Telescope Science Institute . ... FOR RELEASE: 9 A.M. (EDT) June 18, 1998 . PHOTO NO.: STScI-PRC98-22 . HUBBLE UNCOVERS DUST DISK AROUND A MASSIVE BLACK HOLE . ...
... dust is present in many astrophysical objects, and recent observations across the electromagnetic spectrum show that the dust ... properties of these objects, including the dust itself, therefore requires 3D dust radiative transfer (RT) calculations ...
... the Spitzer data combined with previous 1.1 mm observations over a small central or ``Core'' region (18" diameter) suggests the presence of very cold (T~12 K) dust and a dust mass about 16 times higher than is estimated from the Spitzer measurements alone ...