Solar energy paper index
Magnetic Field Alignment of Young Stellar Object Motions in Nearby Star-Forming Regions
One-line summary
A solar energy research paper on Magnetic Field Alignment of Young Stellar Object Motions in Nearby Star-Forming Regions.
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Chinese explanation / 中文解读
中文解读待补充：本站会优先为光伏效率、钙钛矿太阳能电池、储能技术、太阳能热利用、BIPV、并网技术等高价值论文补充中文说明。
Original abstract
Magnetic fields are widely believed to play an important role in molecular-cloud evolution and star formation. However, the extent to which newly formed stars retain a dynamical relationship with the magnetic environments in which they formed remains poorly understood. In this study, we investigate the relationship between the proper motions of young stellar objects (YSOs) and local magnetic-field orientations in seven nearby molecular-cloud regions. Proper motions were obtained from Gaia Data Release 3, while magnetic-field orientations were derived from Planck 353 GHz dust-polarization measurements. For each YSO, we computed the angular separation $Δθ$ between the projected proper-motion vector and the local magnetic-field orientation in Galactic coordinates. A total of 2,037 YSOs were analyzed across Chamaeleon I, Perseus, Ophiuchus, Orion South, Orion North, Taurus, and Lupus. Significant departures from random orientation distributions are detected in every cloud. However, the preferred alignment varies strongly among regions. Chamaeleon I, Perseus, Ophiuchus, and Orion South exhibit preferential alignment between stellar motions and magnetic fields, whereas Orion North, Taurus, and Lupus exhibit preferentially perpendicular orientations. The median angular separation spans a continuous range from $15.0^\circ$ in Chamaeleon I to $67.6^\circ$ in Lupus. These results demonstrate that the relationship between YSO motions and magnetic fields is not universal but depends strongly on the local star-forming environment. The findings suggest that young stellar populations retain measurable kinematic signatures of their natal magnetic environments and provide a new observational framework for investigating the role of magnetic fields in star formation.
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