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The Relative Orientation between Local Magnetic Field and Galactic Plane in Low Latitude Dark Clouds
Wolf, S.; Pandey, J. C.; Choudhury, Gulafsha B. +4 more
In this work, we study the magnetic field morphology of selected star-forming clouds spread over the galactic latitude (b) range -10° to 10°. The polarimetric observations of clouds CB24, CB27 and CB188 are conducted to study the magnetic field geometry of those clouds using the 104 cm Sampurnanand Telescope (ST) located at ARIES, Manora Peak, Nai…
Herschel Investigation of Cores and Filamentary Structures in the Perseus Molecular Cloud
Zhang, Guo-Yin; Zhang, Chang; Li, Jin-Zeng +1 more
Cores and filamentary structures are the prime birthplaces of stars, and play key roles in the process of star formation. Latest advances in the methods of multi-scale source and filament extraction, and in making high-resolution column density map from Herschel multi-wavelength observations enable us to detect the filamentary network structures i…
Can Turbulent, High-density Gas Form Stars in Molecular Clouds: A Case Study in Ophiuchus
Tsai, Chao-Wei; Lin, Yuxin; Wu, Jingwen +3 more
Star formation is governed by the interplay between gravity and turbulence in most of molecular clouds. Recent theoretical works assume that dense gas, whose column density is above a critical value in the column density probability distribution function (N-PDF), where gravity starts to overcome turbulence, becomes star-forming gas and will collap…
The Distribution of UV Radiation Field in the Molecular Clouds of Gould Belt
Li, Di; Xie, Jinjin; Fuller, Gary A. +5 more
The distribution of ultraviolet (UV) radiation field provides critical constraints on the physical environments of molecular clouds. Within 1 kpc of our solar system and fostering protostars of different masses, the giant molecular clouds in the Gould Belt present an excellent opportunity to resolve the UV field structure in star-forming regions. …