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arXiv:astro-ph/0011246 (astro-ph)
[Submitted on 13 Nov 2000]

Title:Supersonic water masers in 30 Doradus

Authors:Jacco Th. van Loon (IoA Cambridge, UK), Albert A. Zijlstra (UMIST Manchester, UK)
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Abstract: We report on extremely high velocity molecular gas, up to -80 km/s relative to the ambient medium, in the giant star-formation complex 30 Doradus in the Large Magellanic Cloud (LMC), as observed in new 22 GHz H2O maser emission spectra obtained with the Mopra radio telescope. The masers may trace the velocities of protostars, and the observed morphology and kinematics indicate that current star formation occurs near the interfaces of colliding stellar-wind blown bubbles. The large space velocities of the protostars and associated gas could result in efficient mixing of the LMC. A similar mechanism in the Milky Way could seed the galactic halo with relatively young stars and gas.
Comments: 11 pages plus 1 PS and 1 EPS figure, uses AASTeX preprint style; accepted for publication in Astrophysical Journal Letters
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:astro-ph/0011246
  (or arXiv:astro-ph/0011246v1 for this version)
  https://doi.org/10.48550/arXiv.astro-ph/0011246
Related DOI: https://doi.org/10.1086/318892

Submission history

From: Jacco van Loon [view email]
[v1] Mon, 13 Nov 2000 13:47:36 UTC (43 KB)
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