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Numerical Simulation and Completeness Survey of Bubbles in the Taurus and Perseus Molecular Clouds by Liu, Mengting; Li, Di; Krco, Marko; Ho, Luis C.; Xu, Duo; Li, Huixian is a scholarly article available to read on EtoBox.

What is Numerical Simulation and Completeness Survey of Bubbles in the Taurus and Perseus Molecular Clouds about?

Previous studies have analyzed the energy injection into the interstellar matter due to molecular bubbles. They found that the total kinetic energies of bubbles are comparable to, or even larger than, those of outflows but still less than the gravitational potential and turbulence energies of the hosting clouds. We examined the possibility that previous studies underestimated the energy injection due to being unable to detect dim or incomplete bubbles. We simulated typical molecular bubbles and inserted them into the $^{13}$CO Five College Radio Astronomical Observatory maps of the Taurus and Perseus Molecular Clouds. We determined bubble identification completeness by applying the same procedures to both simulated and real data sets. We proposed a detectability function for both the Taurus and Perseus molecular clouds based on a multivariate approach. In Taurus, bubbles with kinetic energy less than ~$1 \times 10^{44}$ erg are likely to be missed. We found that the total missing kinetic energy in Taurus is less than a couple of $10^{44}$ erg, which only accounts for around 0.2% of the total kinetic energy of identified bubbles. In Perseus, bubbles with kinetic energy less than ~$2

Author

Liu, Mengting; Li, Di; Krco, Marko; Ho, Luis C.; Xu, Duo; Li, Huixian

Published

2019

Language

EN