Aromatics and cyclic molecules in molecular clouds: A new dimension of interstellar organic chemistry
MC McCarthy, BA McGuire - The Journal of Physical Chemistry A, 2021 - ACS Publications
Astrochemistry lies at the nexus of astronomy, chemistry, and molecular physics. On the
basis of precise laboratory data, a rich collection of more than 200 familiar and exotic …
basis of precise laboratory data, a rich collection of more than 200 familiar and exotic …
Detection of two interstellar polycyclic aromatic hydrocarbons via spectral matched filtering
Unidentified infrared emission bands are ubiquitous in many astronomical sources. These
bands are widely, if not unanimously, attributed to collective emissions from polycyclic …
bands are widely, if not unanimously, attributed to collective emissions from polycyclic …
Discovery of the pure polycyclic aromatic hydrocarbon indene (c-C9H8) with GOTHAM observations of TMC-1
Polycyclic aromatic hydrocarbons (PAHs) have long been invoked in the study of interstellar
and protostellar sources, but the unambiguous identification of any individual PAH has …
and protostellar sources, but the unambiguous identification of any individual PAH has …
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 …
detected in the interstellar and circumstellar medium by astronomical observations. These …
Interstellar detection of the highly polar five-membered ring cyanocyclopentadiene
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 …
frequently serving as the building blocks for larger molecules, including many of biochemical …
Discovery of interstellar 2-cyanoindene (2-C9H7CN) in GOTHAM observations of TMC-1
ML Sita, PB Changala, C Xue… - The Astrophysical …, 2022 - iopscience.iop.org
We present laboratory rotational spectroscopy of five isomers of cyanoindene (2-, 4-, 5-, 6-,
and 7-cyanoindene) using a cavity Fourier transform microwave spectrometer operating …
and 7-cyanoindene) using a cavity Fourier transform microwave spectrometer operating …
Interstellar detection of 2-cyanocyclopentadiene, C5H5CN, a second five-membered ring toward TMC-1
Using radio observations with the Green Bank Telescope, evidence has now been found for
a second five-membered ring in the dense cloud Taurus Molecular Cloud-1 (TMC-1). Based …
a second five-membered ring in the dense cloud Taurus Molecular Cloud-1 (TMC-1). Based …
Overview of desorption parameters of volatile and complex organic molecules-A systematic dig through the experimental literature
NFW Ligterink, M Minissale - Astronomy & Astrophysics, 2023 - aanda.org
Context. Many molecules observed in the interstellar medium are thought to result from the
thermal desorption of ices. Parameters such as the desorption energy and pre-exponential …
thermal desorption of ices. Parameters such as the desorption energy and pre-exponential …
An investigation of spectral line stacking techniques and application to the detection of HC11N
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 …
whose individual rotational lines can be observed with radio telescopes, and large ones …
A Search for Heterocycles in GOTHAM Observations of TMC-1
We have conducted an extensive search for nitrogen-, oxygen-, and sulfur-bearing
heterocycles toward Taurus Molecular Cloud 1 (TMC-1) using the deep, broadband …
heterocycles toward Taurus Molecular Cloud 1 (TMC-1) using the deep, broadband …