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Browsing by Subject "Interstellar matter"
Now showing items 1-12 of 12
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(Halifax, N.S. : Saint Mary's University, 1978)Calculations of column densities of some 100 interstellar species based on a steady-state analysis are carried out for interstellar clouds towards [zeta] Oph, [omicron] Per, and Lynds 134, using appropriate cloud models ...
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(Oxford University Press, 2014-08-21)We examine simulations of isolated galaxies to analyse the effects of localized feedback on the formation and evolution of molecular clouds. Feedback contributes to turbulence and the destruction of clouds, leading to a ...
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(Oxford Academic, 2012-04)Analytic estimates of the viscous time-scale due to cloud–cloud collisions have been as high as thousands of Gyr. Consequently, cloud collisions are widely ignored as a source of viscosity in galactic discs. However, ...
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(IOP Publishing Limited, 2011-03-10)We present basic properties of protostellar disks in the embedded phase of star formation (EPSF), which is difficult to probe observationally using available observational facilities. We use numerical hydrodynamics simulations ...
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(Oxford University Press, 2014-06)Observations (e.g. Phillips, Heckman et al., Martin) have revealed cold gas with large velocity dispersions (≈300 km s−1) within the hot outflows of ultraluminous infrared galaxies (ULIRGs). This gas ...
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(EDP Sciences, 1986-10)A distance of 2.5 [plus or minus] 0.2 kpc is derived for the dark globule Lynds 810 using photometric data for foreground stars and star counts. It is argued that this globule is likely to belong to the Vul OB1 complex. ...
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(Oxford University PressRoyal Astronomical Society, 2019-03)We present the first results of our pilot study of eight photometrically selected Lyman-continuum (LyC) emitting galaxy candidates from the COSMOS field and focus on their optical emission line ratios. Observations were ...
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(Halifax, N.S. : Saint Mary's University, 2018)Utilizing new ALMA-ACA observations of the [N II] 205 µm line in combination with existing [C II] 158 µm observations, we characterize the L[C II]/L[N II] distribution in highredshift ...
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(Halifax, N.S. : Saint Mary's University, 2001)The IRAM 30m telescope has been used to observe the J = 1-0 transition of [superscript 12]CO at several positions along the central dust lane of NGC 5866. The data were used to determine the large-scale properties of the ...
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(Oxford University Press, 2014-06)We present an analysis of the role of feedback in shaping the neutral hydrogen (H I) content of simulated disc galaxies. For our analysis, we have used two realizations of two separate Milky Way-like (∼L★) discs – ...
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(American Astronomical Society, 1997-09)The central region of the Monoceros R2 molecular cloud has been studied using molecular line maps, maps in continuum emission, and an M-band (4.7 [micrometres]) absorption spectrum toward Mon R2 IRS 3. Maps were made in ...
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(Halifax, N.S. : Saint Mary's University, 2005)The nearly edge---on S0 galaxy NGC 5866 is notable for its massive molecular interstellar medium, prominent central dust lane, and large IRAS 100 micron flux. The galaxy is relatively isolated, and neither the kinematics ...
Now showing items 1-12 of 12