activity
20242026
most citedDiscovery of the 7-ring PAH Cyanocoronene (CHCN) in GOTHAM Observations of TMC-1

90 citations · 92 across the 12 of their papers we have counts for

collaborators

12 papers

astro-ph.GA2026

Automated Assignment and Prediction of Molecules in Astronomical Line Surveys Using Machine-Learning-Based Chemical Embeddings

Zachary T. P. Fried, Ryan A. Loomis, Jes K. Jørgensen +6

Modern radio telescopes generate vast amounts of observational data, offering valuable insights into the molecular composition of interstellar sources. Identifying the molecules wi…

astro-ph.GA2026

Detection of the Polycyclic Aromatic Hydrocarbon Phenalene (CH) in the Very Low Luminosity Object (VeLLO) MC27/L1521F

Gabi Wenzel, Thomas H. Speak, Ci Xue +12

To date, 14 polycyclic aromatic hydrocarbons (PAHs) ranging in size from two to seven (including five- and six-membered) carbon rings have been detected in the starless dense core…

astro-ph.GA2026★ 2 cited

Expanding the CHO Isomeric Interstellar Inventory: Discovery of Lactaldehyde and Methoxyacetaldehyde in G+0.693-0.027

M. Sanz-Novo, V. M. Rivilla, I. Jiménez-Serra +17

The tentative detection of 3-hydroxypropanal (HO(CH)C(O)H) toward the Galactic center molecular cloud G+0.693-0.027 prompts a systematic survey in this source aimed at dete…

astro-ph.GA2025

The Molecular Inventory of TMC-1 with GOTHAM Observations

Ci Xue, Alex N. Byrne, Larry Morgan +14

Spectral line surveys of the Taurus Molecular Cloud-1 (TMC-1) have led to the detection of more than 100 new molecular species, making it the most prolific source of interstellar m…

astro-ph.GA2025

Rotational Spectroscopy and Tentative Interstellar Detection of 3-Hydroxypropanal (HOCHCHCHO) in the G+0.693-0.027 Molecular Cloud

Zachary T. P. Fried, Roman A. Motiyenko, Miguel Sanz-Novo +12

We synthesized the astrochemically relevant molecule 3-hydroxypropanal (HOCHCHCHO) and subsequently measured and analyzed its rotational spectrum in several frequency regio…

astro-ph.GA2025★ 90 cited

Discovery of the 7-ring PAH Cyanocoronene (CHCN) in GOTHAM Observations of TMC-1

Gabi Wenzel, Siyuan Gong, Ci Xue +18

We present the synthesis and laboratory rotational spectroscopy of the 7-ring polycyclic aromatic hydrocarbon (PAH) cyanocoronene (CHCN) using a laser-ablation assist…

astro-ph.GA2025

The Missing Link of Sulfur Chemistry in TMC-1: The Detection of c-C3H2S from the GOTHAM Survey

Anthony J. Remijan, P. Bryan Changala, Ci Xue +13

We present the spectroscopic characterization of cyclopropenethione (c-C3H2S) in the laboratory and detect it in space using the Green Bank Telescope (GBT) Observations of TMC-1: H…

astro-ph.GA2024

Detections of interstellar 2-cyanopyrene and 4-cyanopyrene in TMC-1

Gabi Wenzel, Thomas H. Speak, P. Bryan Changala +19

Polycyclic aromatic hydrocarbons (PAHs) are among the most ubiquitous compounds in the universe, accounting for up to ~25% of all interstellar carbon. Since most unsubstituted PAHs…

astro-ph.GA2024

Discovery of interstellar 1-cyanopyrene: a four-ring polycyclic aromatic hydrocarbon in TMC-1

Gabi Wenzel, Ilsa R. Cooke, P. Bryan Changala +22

Polycyclic aromatic hydrocarbons (PAHs) are expected to be the most abundant class of organic molecules in space. Their interstellar lifecycle is not well understood, and progress…

astro-ph.GA2024

High Spectral Resolution Observations of Propynal (HCCCHO) towards TMC-1 from the GOTHAM Large Program on the Green Bank Telescope

Anthony J. Remijan, Zachary T. P. Fried, Ilsa R. Cooke +7

We used new high spectral resolution observations of propynal (HCCCHO) towards TMC-1 and in the laboratory to update the spectral line catalog available for transitions of HCCCHO -…

astro-ph.GA2024

Automated Mixture Analysis via Structural Evaluation

Zachary T. P. Fried, Brett A. McGuire

The determination of chemical mixture components is vital to a multitude of scientific fields. Oftentimes spectroscopic methods are employed to decipher the composition of these mi…

astro-ph.GA2024

Rotational Spectrum and First Interstellar Detection of 2-Methoxyethanol Using ALMA Observations of NGC 6334I

Zachary T. P. Fried, Samer J. El-Abd, Brian M. Hays +13

We use both chirped-pulse Fourier transform and frequency modulated absorption spectroscopy to study the rotational spectrum of 2-methoxyethanol in several frequency regions rangin…