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First Sagittarius A* Event Horizon Telescope Results. II. EHT and Multi-wavelength Observations, Data Processing, and Calibration
The Event Horizon Telescope Collaboration
We present Event Horizon Telescope (EHT) 1.3 mm measurements of the radio source located at the position of the supermassive black hole Sagittarius A* (Sgr A*), collected during th…
High Sensitivity Observations of the Water Megamasers of NGC 1068: Precise Astrometry and Detailed Kinematics
Jack F. Gallimore, C. M. Violette Impellizzeri
We present High Sensitivity Array observation of the water megamasers of NGC 1068. We obtain absolute astrometry with 0.3 mas precision that confirms the association of the disk ma…
Probing Jet-Torus Interaction in the Radio Galaxy NGC 1052 by Sulfur-Bearing Molecules
Seiji Kameno, Satoko Sawada-Satoh, C. M. Violette Impellizzeri +8
The radio galaxy NGC 1052 casts absorption features of sulfur-bearing molecules, HS, SO, SO, and CS toward the radio continuum emission from the core and jets. Using ALMA,…