Rotation of Two Micron All Sky Survey Clumps in Molecular Clouds

@article{Xu2020RotationOT,
  title={Rotation of Two Micron All Sky Survey Clumps in Molecular Clouds},
  author={Xuefang Xu and Di Li and Y. Dai and P. Goldsmith and G. Fuller},
  journal={arXiv: Solar and Stellar Astrophysics},
  year={2020}
}
We have analyzed the rotational properties of 12 clumps using $^{13}$CO (1--0) and C$^{18}$O (1--0) maps of the Five College Radio Astronomy Observatory 13.7 m radio telescope. The clumps, located within molecular clouds, have radii ($R$) in the range of 0.06 -- 0.27\,pc. The direction of clump elongation is not correlated with the direction of the velocity gradient. We measured the specific angular momentum (J/M) to be between 0.0022 and 0.025 pc\,km\,s$^{-1}$ based on $^{13}$CO images, and… Expand

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