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Complex Organic Molecules in Protostars with ALMA Spectral Surveys (COMPASS): I. Overview of the ALMA Large Program
J. K. Jørgensen, A. Coutens, M. N. Drozdovskaya +27
It remains a fundamental research question in astrochemistry to characterize the inventory of complex organic molecules formed during the early stages of star formation, which may…
Complex Organic Molecules in Protostars with ALMA Spectral Surveys (COMPASS) III. CHOH isotopic fractionation in the low-mass protostar BHR71-IRS1
A. Coutens, F. Cruz-Sáenz de Miera, J. K. Jørgensen +26
[Abridged] Methanol is a complex organic molecule detected in both ice and gas toward star-forming regions. Due to its high abundance, its rarer isotopologues, including the deuter…
Using Scattered Near-Infrared Light to Map Water Ice in Prestellar Cores with SPHEREx
Tamojeet Roychowdhury, Jennifer B. Bergner, Jens Kauffmann +2
We present the first coreshine-derived, spatially-resolved maps of the 3 m HO ice absorption feature in four prestellar cores, using SPHEREx spectra. Ices are a key componen…
PEACHES IV: Tracing the Formation & Evolution of CH in Perseus Low-Mass Protostars
Jack G. Anderson, Jennifer B. Bergner, Yao-Lun Yang +2
The radical hydrocarbon molecule CH is widely detected in various stages of star and planet formation, and has emerged as a useful tracer of high-C/O gas within the photochemic…
New Detections of Phosphorus Molecules towards Solar-type Protostars
Serena Wurmser, Jennifer B. Bergner
Phosphorus is a necessary element for life on Earth, but at present we have limited constraints on its chemistry in star- and planet-forming regions: to date, phosphorus carriers h…
First images of phosphorus molecules towards a proto-Solar analog
Jennifer B. Bergner, Andrew M. Burkhardt, Karin I. Oberg +2
The chemistry of phosphorus in star- and planet-forming regions is poorly understood, despite the central role of phosphorus in terrestrial biochemistry. We present ALMA Band 3 and…