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5 papers
First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way
The Event Horizon Telescope Collaboration
We present the first Event Horizon Telescope (EHT) observations of Sagittarius A* (Sgr A), the Galactic center source associated with a supermassive black hole. These observati…
A Decade of SCUBA-2: A Comprehensive Guide to Calibrating 450 m and 850 m Continuum Data at the JCMT
Steve Mairs, Jessica T. Dempsey, Graham S. Bell +24
The Submillimetre Common User Bolometer Array 2 (SCUBA-2) is the James Clerk Maxwell Telescope's continuum imager, operating simultaneously at 450 and 850~m. SCUBA-2 was commiss…
Implementing Remote Observing at the JCMT
Harriet Parsons, Jessica Dempsey, Dan Bintley +18
The James Clerk Maxwell Telescope (JCMT) is the largest single dish telescope in the world focused on sub-millimeter astronomy - and it remains at the forefront of sub-millimeter d…
Commissioning of Namakanui on the JCMT
Izumi Mizuno, Per Friberg, Ryan Berthold +39
Namakanui is an instrument containing three inserts in an ALMA type Dewar. The three inserts are Alaihi, Uu and Aweoweo operating around 86, 230 and 345GHz. The receiver is being c…
The Effects of Close Companions (and Rotation) on the Magnetic Activity of M Dwarfs
Dylan P. Morgan, Andrew A. West, Ane Garcés +4
We present a study of close white dwarf and M dwarf (WD+dM) binary systems and examine the effect that a close companion has on the magnetic field generation in M dwarfs. We use a…