Author

Nagayoshi Ohashi

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Preprint Oct 2026

The environments forming stellar and planetary systems

How does a star's birth environment set the mass, angular momentum and chemical complexity delivered to its planet-forming disk, and thereby whether it builds planets, brown dwarfs or stellar companions? This requires following material from the cloud to the sub-au to few-au scales where infalling gas, magnetized winds...

M. Kuffmeier, J. Pineda, P. Schilke et al. · 0 citations

Preprint Oct 2026

B-fields In STar-forming Region Observations (BISTRO): Technical Foundations for Quantitative 450/850 $\mu$m JCMT SCUBA-2/POL-2 Polarimetry

We present five technical validations of SCUBA-2/POL-2 polarimetry on the James Clerk Maxwell Telescope at 450 and 850 $\mu$m, using 174 archival fields in 69 molecular cloud regions and subsets appropriate to each test. Extended-source calibration avoids a deterministic shift of $\Delta\beta=-1.05$ in the dust emissiv...

R. Furuya, David S. Berry, P. Bastien et al. · 0 citations