In Orion, turbulence dissipates in high-shear regions near dense fibers, so the transition to coherence occurs at the fiber level before cores form.
Short-Spacings Correction from the Single-Dish Perspective
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abstract
While, in general, interferometers provide high spatial resolution for imaging small-scale structure (corresponding to high spatial frequencies in the Fourier plane), single-dishes can be used to image the largest spatial scales (corresponding to the lowest spatial frequencies), including the total power (corresponding to zero spatial frequency). For many astrophysical studies, it is essential to bring `both worlds' together by combining information over a wide range of spatial frequencies. This article demonstrates the effects of missing short-spacings, and discusses two main issues: (a) how to provide missing short-spacings to interferometric data, and (b) how to combine short-spacing single-dish data with those from an interferometer.
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astro-ph.GA 1years
2026 1verdicts
ACCEPT 1representative citing papers
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Emergence of high-mass stars in complex fiber networks (EMERGE) VI. Turbulence dissipation and the formation of dense fibers
In Orion, turbulence dissipates in high-shear regions near dense fibers, so the transition to coherence occurs at the fiber level before cores form.