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Detection of Dynamical Instability in Titan's Thermospheric Jet
M. A. Cordiner, E. Garcia-Berrios, R. G. Cosentino +5
Similar to Earth, Saturn's largest moon, Titan, possesses a system of high-altitude zonal winds (or jets) that encircle the globe. Using the Atacama Large Millimeter/submillimeter…
Compact pebbles and the evolution of volatiles in the interstellar comet 2I/Borisov
Bin Yang, Aigen Li, Martin A. Cordiner +6
The interstellar traveler, 2I/Borisov, is the first clearly active extrasolar comet, ever detected in our Solar system. We obtained high-resolution interferometric observations of…
Neutral-Neutral Synthesis of Organic Molecules in Cometary Comae
M. A Cordiner, S. B. Charnley
Remote and in-situ observations of cometary gases have revealed the presence of a wealth of complex organic molecules, including carbon chains, alcohols, imines and the amino acid…
Leveraging the ALMA Atacama Compact Array for Cometary Science: An Interferometric Survey of Comet C/2015 ER61 (PanSTARRS) and Evidence for a Distributed Source of Carbon Monosulfide
Nathan X. Roth, Stefanie N. Milam, Martin A. Cordiner +6
We report the first survey of molecular emission from cometary volatiles using standalone Atacama Compact Array (ACA) observations of the Atacama Large Millimeter/Submillimeter Arr…
Detection of Two Interstellar Polycyclic Aromatic Hydrocarbons via Spectral Matched Filtering
Brett A. McGuire, Ryan A. Loomis, Andrew M. Burkhardt +12
Ubiquitous unidentified infrared emission bands are seen in many astronomical sources. Although these bands are widely, if not unanimously, attributed to the collective emission fr…
Rapidly Varying Anisotropic Methanol (CHOH) Production in the Inner Coma of Comet 46P/Wirtanen as Revealed by the ALMA Atacama Compact Array
Nathan X. Roth, Stefanie N. Milam, Martin A. Cordiner +13
We report the detection of CHOH emission in comet 46P/Wirtanen on UT 2018 December 8 and 9 using the Atacama Compact Array (ACA), part of the Atacama Large Millimeter/Submillim…