The ionized heart of a molecular disk. ALMA observations of the hyper-compact HII region G24.78+0.08 A1
Luca Moscadelli,
Riccardo Cesaroni,
Maria T. Beltrán
et al.
Abstract:Context. Hyper-compact (HC) or ultra-compact (UC) Hii regions are the first manifestations of the radiation feedback from a newly born massive star. Therefore, their study is fundamental to understanding the process of massive (≥ 8 M ⊙ ) star formation. Aims. We employed Atacama Large Millimeter/submillimeter Array (ALMA) 1.4 mm Cycle 6 observations to investigate at high angular resolution (≈ 0. ′′ 050, corresponding to 330 au) the HC Hii region inside molecular core A1 of the high-mass star-forming cluster G… Show more
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