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20242026
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astro-ph.GA2026

Magnetic field alignment with dense cores in the transition between cloud and core scales

Sean Yin, Ayush Pandhi, Rachel Friesen +7

In a magnetically-dominated model of star formation, we expect to see alignments between the magnetic field orientation of star-forming dense cores and the cloud-scale magnetic fie…

astro-ph.GA2025

Estimating the dense gas mass of molecular clouds using spatially unresolved 3 mm line observations

Antoine Zakardjian, Annie Hughes, Jérôme Pety +28

We aim to develop a new method to infer the sub-beam probability density function (PDF) of H2 column densities and the dense gas mass within molecular clouds using spatially unreso…

astro-ph.GA2025

The JCMT BISTRO Survey: Unveiling the Magnetic Fields around Galactic Center

Meng-Zhe Yang, Shih-Ping Lai, Janik Karoly +40

We acquired 450 μm and 850 μm dust continuum polarization observations toward the inner region of the Central Molecular Zone (CMZ) as part of the B-Fields In Star-Forming Region…

astro-ph.GA2025

The JCMT Gould Belt Survey: First results from the Corona Australis molecular cloud and evidence of variable dust emissivity indices in the Coronet region

Kate Pattle, David Bresnahan, Derek Ward-Thompson +47

We present 450m and 850m James Clerk Maxwell Telescope (JCMT) observations of the Corona Australis (CrA) molecular cloud taken as part of the JCMT Gould Belt Legacy Survey…

astro-ph.GA2024

Applying the Velocity Gradient Technique in NGC 1333: Comparison with Dust Polarization Observations

Archana Soam, Ka Ho Yuen, Ian Stephens +3

Magnetic fields (B-fields) are ubiquitous in the interstellar medium (ISM), and they play an essential role in the formation of molecular clouds and subsequent star formation. Howe…

astro-ph.GA2024

Quantifying the informativity of emission lines to infer physical conditions in giant molecular clouds. I. Application to model predictions

Lucas Einig, Pierre Palud, Antoine Roueff +29

Observations of ionic, atomic, or molecular lines are performed to improve our understanding of the interstellar medium (ISM). However, the potential of a line to constrain the phy…