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SCUBA Mapping of Outer Galaxy Protostellar Candidates
B. Mookerjea, G. Sandell, J. Stutzki +1
We aim to study dust properties of massive star forming regions in the outer Galaxy, in a direction opposite to the Galactic center. We present observations of six outer Galaxy poi…
Turning AGN Microlensing From a Curiosity Into a Tool
C. S. Kochanek, X. Dai, C. Morgan +3
Microlensing of gravitationally lensed quasars by the stars in the foreground lens galaxy can be used to probe the nature of dark matter, to determine the mean stellar mass in the…
[CI] 492 GHz mapping toward Cas A
B. Mookerjea, N. G. Kantharia, D. A. Roshi +2
We have mapped the [C I] emission at 492 GHz toward the supernova remnant Cas A. We detect [C I] emission from the periphery of the diffuse Photon Dominated Region (PDR) covering t…
Study of Photon Dominated Regions in Cepheus B
B. Mookerjea, C. Kramer, M. Roellig +1
Aim: The aim of the paper is to understand the emission from the photon dominated regions in Cepheus B, estimate the column densities of neutral carbon in bulk of the gas in Cepheu…
On stability and spiral patterns in polar disks
Ch. Theis, L. Sparke, J. Gallagher
To investigate the stability properties of polar disks we performed two-dimensional hydrodynamical simulations for flat polytropic gaseous self-gravitating disks which were perturb…
Are galactic disks dynamically influenced by dust?
Ch. Theis, N. Orlova
Dynamically cold components are well known to destabilize hotter, even much more massive components. In this paper we studied the dynamical influence of a cold dust component on th…