Detection of two interstellar polycyclic aromatic hydrocarbons via spectral matched filtering

BA McGuire, RA Loomis, AM Burkhardt, KLK Lee… - Science, 2021 - science.org
Unidentified infrared emission bands are ubiquitous in many astronomical sources. These
bands are widely, if not unanimously, attributed to collective emissions from polycyclic …

2018 census of interstellar, circumstellar, extragalactic, protoplanetary disk, and exoplanetary molecules

BA McGuire - The Astrophysical Journal Supplement Series, 2018 - iopscience.iop.org
To date, 204 individual molecular species, comprised of 16 different elements, have been
detected in the interstellar and circumstellar medium by astronomical observations. These …

Detection of the aromatic molecule benzonitrile (c-C6H5CN) in the interstellar medium

BA McGuire, AM Burkhardt, S Kalenskii… - Science, 2018 - science.org
Polycyclic aromatic hydrocarbons and polycyclic aromatic nitrogen heterocycles are thought
to be widespread throughout the universe, because these classes of molecules are probably …

A protostellar system fed by a streamer of 10,500 au length

JE Pineda, D Segura-Cox, P Caselli, N Cunningham… - Nature …, 2020 - nature.com
Binary formation is an important aspect of star formation. One possible route for close-in
binary formation is disk fragmentation,–. Recent observations show that small-scale …

2021 census of interstellar, circumstellar, extragalactic, protoplanetary disk, and exoplanetary molecules

BA McGuire - The Astrophysical Journal Supplement Series, 2022 - iopscience.iop.org
To date, 241 individual molecular species, composed of 19 different elements, have been
detected in the interstellar and circumstellar medium by astronomical observations. These …

Interstellar detection of the highly polar five-membered ring cyanocyclopentadiene

MC McCarthy, KLK Lee, RA Loomis, AM Burkhardt… - Nature …, 2021 - nature.com
Much like six-membered rings, five-membered rings are ubiquitous in organic chemistry,
frequently serving as the building blocks for larger molecules, including many of biochemical …

Early science from GOTHAM: Project overview, methods, and the detection of interstellar propargyl cyanide (HCCCH2CN) in TMC-1

BA McGuire, AM Burkhardt, RA Loomis… - The Astrophysical …, 2020 - iopscience.iop.org
We present an overview of the GBT Observations of TMC-1: Hunting Aromatic Molecules
Large Program on the Green Bank Telescope. This and a related program were launched to …

An investigation of spectral line stacking techniques and application to the detection of HC11N

RA Loomis, AM Burkhardt, CN Shingledecker… - Nature …, 2021 - nature.com
As the inventory of interstellar molecules continues to grow, the gulf between small species,
whose individual rotational lines can be observed with radio telescopes, and large ones …

Ubiquitous aromatic carbon chemistry at the earliest stages of star formation

AM Burkhardt, RA Loomis, CN Shingledecker… - Nature …, 2021 - nature.com
Abstract Benzonitrile (c-C6H5CN, where 'c'indicates a cyclic structure), a polar proxy for
benzene (c-C6H6), has the potential to serve as a highly convenient radio probe for …

The UMIST database for astrochemistry 2022

TJ Millar, C Walsh, M Van de Sande… - Astronomy & …, 2024 - aanda.org
Context. Detailed astrochemical models are a key component to interpret the observations of
interstellar and circumstellar molecules since they allow important physical properties of the …