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The seven most massive clumps in W43-Main as seen by ALMA: Dynamical equilibrium and Magnetic Fields
Paulo C. Cortes, Charles L. H. Hull, Josep M. Girart +8
Here we present new ALMA observations of polarized dust emission from six of the most massive clumps in W43-Main. The clumps MM2, MM3, MM4, MM6, MM7, and MM8, have been resolved in…
Sub-arcsecond (sub)millimeter imaging of the massive protocluster G358.93-0.03: Discovery of 14 new methanol maser lines associated with a hot core
C. L. Brogan, T. R. Hunter, A. P. M. Towner +25
We present (sub)millimeter imaging at 0.5'' resolution of the massive star-forming region G358.93-0.03 acquired in multiple epochs at 2 and 3 months following the recent flaring of…
First M87 Event Horizon Telescope Results. II. Array and Instrumentation
The Event Horizon Telescope Collaboration
The Event Horizon Telescope (EHT) is a very long baseline interferometry (VLBI) array that comprises millimeter- and submillimeter-wavelength telescopes separated by distances comp…
Massive and low-mass protostars in massive "starless" cores
Thushara Pillai, Jens Kauffmann, Qizhou Zhang +5
The infrared dark clouds (IRDCs) G11.110.12 and G28.340.06 are two of the best-studied IRDCs in our Galaxy. These two clouds host clumps at different stages of evolution, inc…
Survey Observations to Study Chemical Evolution from High-Mass Starless Cores to High-Mass Protostellar Objects II. HCN and NH
Kotomi Taniguchi, Masao Saito, T. K. Sridharan +1
We have carried out survey observations of molecular emission lines from HCN, NH, CCS, and cyclic-CH in the 8194 GHz band toward 17 high-mass starl…