Droplets. I. Pressure-dominated Coherent Structures in L1688 and B18

We present the observation and analysis of newly discovered coherent structures in the L1688 region of Ophiuchus and the B18 region of Taurus. Using data from the Green Bank Ammonia Survey, we identify regions of high density and near-constant, almost-thermal velocity dispersion. We reveal 18 cohere...

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Veröffentlicht in:	The Astrophysical journal 2019-06, Vol.877 (2), p.93
Hauptverfasser:	Chen, Hope How-Huan, Pineda, Jaime E., Goodman, Alyssa A., Burkert, Andreas, Offner, Stella S. R., Friesen, Rachel K., Myers, Philip C., Alves, Felipe, Arce, Héctor G., Caselli, Paola, Chacón-Tanarro, Ana, Chen, Michael Chun-Yuan, Di Francesco, James, Ginsburg, Adam, Keown, Jared, Kirk, Helen, Martin, Peter G., Matzner, Christopher, Punanova, Anna, Redaelli, Elena, Rosolowsky, Erik, Scibelli, Samantha, Seo, Youngmin, Shirley, Yancy, Singh, Ayushi
Format:	Artikel
Sprache:	eng
Schlagworte:	Ammonia Astrophysics Coherence Cores Density Dispersion Droplets Fluid flow ISM: clouds ISM: individual objects (L1688, B18) ISM: kinematics and dynamics Magnetohydrodynamic simulation Magnetohydrodynamic turbulence magnetohydrodynamics (MHD) Molecular clouds Ocean currents Pressure radio lines: ISM Star & galaxy formation Star formation stars: formation Velocity
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