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The Power Spectrum of Turbulence in NGC 1333: Outflows or Large-Scale Driving?
Paolo Padoan, Mika Juvela, Alexei G. Kritsuk +1
Is the turbulence in cluster-forming regions internally driven by stellar outflows or the consequence of a large-scale turbulent cascade? We address this question by studying the t…
Modelling line emission of deuterated H_3^+ from prestellar cores
O. Sipilä, E. Hugo, J. Harju +3
Context: The depletion of heavy elements in cold cores of interstellar molecular clouds can lead to a situation where deuterated forms of H_3^+ are the most useful spectroscopic pr…
A Corona Australis cloud filament seen in NIR scattered light II: Comparison with sub-millimeter data
Mika Juvela, Veli-Matti Pelkonen, Sebastian Porceddu
We study a northern part of the Corona Australis molecular cloud that consists of a filament and a dense sub-millimetre core inside the filament. Our aim is to measure dust tempera…
The Super-Alfvénic Model of Molecular Clouds: Predictions for Mass-to-Flux and Turbulent-to-Magnetic Energy Ratios
Tuomas Lunttila, Paolo Padoan, Mika Juvela +1
Recent measurements of the Zeeman effect in dark-cloud cores provide important tests for theories of cloud dynamics and prestellar core formation. In this Letter we report results…
A far-infrared survey at the North Galactic Pole I: Nearby star-forming galaxies and the effect of confused sources on source counts
Petri Vaisanen, Jari K. Kotilainen, Mika Juvela +3
We present follow-up observations of the far-infrared (FIR) sources at 90, 150 and 180 mu detected as part of the ISOPHOT EBL project, which has recently measured the absolute surf…
Determination of the cosmic far-infrared background level with the ISOPHOT instrument
M. Juvela, K. Mattila, D. Lemke +3
The cosmic infrared background (CIRB) consists mainly of the integrated light of distant galaxies. In the far-infrared the current estimates of its surface brightness are based on…