STENT
发表于 2025-3-23 12:31:28
VLBI Water Maser Proper Motion Measurements in Star-Forming Regionst scales of AUs, discovering new phenomena (e.g., isotropic mass ejections, watermaser “micro-structures” exhibiting remarkable coherent and well ordered spatio-kinematical behavior at AU scale), and opening new, puzzling questions related to the early stellar evolution.
两栖动物
发表于 2025-3-23 17:24:20
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叙述
发表于 2025-3-23 18:20:07
H20 Megamasers: Accretion Disks, Jet Interaction, Outflows or Massive Star Formation?r jets with dense molecular gas and to investigate the circumnuclear environment of active galactic nuclei (AGN). Accretion disks with radii of 0.1–3 pc were mapped and masses of nuclear engines of order 10.–10. .ʘ were determined. So far, ∼50 extragalactic H.0 maser sources have been detected, but few have been studied in detail.
Irritate
发表于 2025-3-24 01:22:23
A Molecular Ring in the Liner NGC 5218 the inner 500 pc. The SFR is 2–3 . yr . and the SFE is ∼13, which are low or moderate values for that gas surface density. We interpret the inner feature as a rotating molecular ring with a radius of ∼200 pc. We furthermore suggest that the LINER activity in NGC 5218 is not caused by an aging starburst, but by a buried AGN.
极端的正确性
发表于 2025-3-24 05:26:28
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hallow
发表于 2025-3-24 07:44:41
Engineering Gameful Applications with MPSe within 60 mas and in velocity within 0.3 km s. in both targets implying that both maser transitions arise from the same region. According to the modelling by Gray the 1720/4765-MHz co-propagation requires a low density, warm environment. The masers lie at the edges of H II regions where such conditions are expected.
palpitate
发表于 2025-3-24 10:45:54
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AIL
发表于 2025-3-24 16:52:47
MERLIN and Puschino Observations of H2O Masers in Outer Galactic SFR S128Nrift velocity variations this suggests that the masers trace the dissipation of supersonic turbulence. The spatial distribution of velocities shows that this is in parts more structured than the Kolmogorov cascade.
impaction
发表于 2025-3-24 19:54:33
Leisure Studies in a Global Eraa molecular outflow near the plane of the sky. Ammonia emission is extended and anticorrelated with CCS. We have detected for the first time this anticorrelation at small scales (1400 AU) in a star-forming region.
幻影
发表于 2025-3-25 01:20:31
https://doi.org/10.1057/9781137415547ch exhibit the “fractal fashion” and express turbulence on very small scales. Together, we have demonstrated that observations of water masers enable us to comprehensively enhance our understanding of the early stages of the formation of massive stars in clusters.