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The Dense Gas Structures Around MMS 2/OMC-3 Traced by CO Emission
Yuhua Liu, Satoko Takahashi, Masahiro N. Machida
We report the Atacama Large Millimeter/submillimeter Array observations of 1.3 mm continuum, CO (), and ND () toward the millimeter multi-s…
From inter-filamentary gas to filaments and hubs: gas flows in the Mon R2 hub-filament system
Jihye Hwang, Doris Arzoumanian, Yoshito Shimajiri +5
Hub-filament systems (HFSs) play an important role in the formation of massive stars and star clusters. Although the velocity structures along dense filaments have been studied, th…
ALMA Band 9 CO(6--5) Reveals a Warm Ring Structure Associated with the Embedded Protostar in the Cold Dense Core MC 27/L1521F
Kazuki Tokuda, Mitsuki Omura, Naoto Harada +9
Infall and outflows, coupled with magnetic fields, rapidly structure the gas around newborn protostars. Shocks from interacting components encode the temperature and density distri…
How External Medium outside Prestellar Cores Affects Protostellar Growth: Variations in Accretion Rate and Evolution of Disks and Outflows
Shingo Nozaki, Masahiro N. Machida
We investigate how the external medium surrounding prestellar cores affects the star formation process by conducting three-dimensional resistive magnetohydrodynamic simulations. Th…
Extended and Compact Ortho-HD Structures Close to the Moment of Star-Formation: Evidence from ALMA-ACA Observations in Taurus
Kazuki Tokuda, Kenji Furuya, Naofumi Fukaya +8
Observing and characterizing pre- and protostellar cores in the earliest and densest stages of star formation is challenging due to their short timescales and high densities, limit…
Inclination Effect on Observational Identification of Outflow Rotation in Magnetohydrodynamics Simulations
Yusuke Aso, Masahiro N. Machida
We investigate the observational signatures of outflow rotation in protostellar systems using magnetohydrodynamics simulations of protostellar evolution with radiative transfer and…