Astrochem Coffee
@astrochemcoffee.bsky.social
Official account of the Astrochem Coffee Podcast! We'll post here with podcast-related announcements, as well as astrochemistry-relevant literature, job openings, prizes, conferences, etc throughout the month between episodes.
coffee.astrochem.net
coffee.astrochem.net
The chemical diversity of giant-planet nurseries as revealed by ALMA
Booth et al. arXiv (AJ)
arxiv.org/abs/2512.01731
Booth et al. arXiv (AJ)
arxiv.org/abs/2512.01731
The chemical diversity of giant-planet nurseries as revealed by ALMA
With the giant exoplanet occurrence rate peaking around stars of 1.5-2 solar masses, there is strong motivation to characterize the disks that set their formation conditions. Observations with the…
arxiv.org
December 3, 2025 at 12:32 AM
The chemical diversity of giant-planet nurseries as revealed by ALMA
Booth et al. arXiv (AJ)
arxiv.org/abs/2512.01731
Booth et al. arXiv (AJ)
arxiv.org/abs/2512.01731
Laboratory Detection and Rotational Spectroscopy of trans-HNSO: Implications for Astronomical Observations
Lattanzi et al. arXiv (Frontiers)
arxiv.org/abs/2511.22548
Lattanzi et al. arXiv (Frontiers)
arxiv.org/abs/2511.22548
Laboratory Detection and Rotational Spectroscopy of $trans$-HNSO: Implications for Astronomical Observations
Sulfur-bearing molecules are central to interstellar chemistry, yet their observed abundances in the gas phase remain far below cosmic expectations in dense interstellar regions. Mixed N-S-O species…
arxiv.org
December 2, 2025 at 11:50 PM
Laboratory Detection and Rotational Spectroscopy of trans-HNSO: Implications for Astronomical Observations
Lattanzi et al. arXiv (Frontiers)
arxiv.org/abs/2511.22548
Lattanzi et al. arXiv (Frontiers)
arxiv.org/abs/2511.22548
A Detection of Sulfur-Bearing Cyclic Hydrocarbons in Space
Araki et al. arXiv
arxiv.org/abs/2511.23299
Araki et al. arXiv
arxiv.org/abs/2511.23299
A Detection of Sulfur-Bearing Cyclic Hydrocarbons in Space
Molecules harbouring sulfur are thought to have played a key role in the biological processes of life on Earth. We report the first astronomical detection of a six-membered sulfur-bearing cyclic…
arxiv.org
December 2, 2025 at 3:03 PM
A Detection of Sulfur-Bearing Cyclic Hydrocarbons in Space
Araki et al. arXiv
arxiv.org/abs/2511.23299
Araki et al. arXiv
arxiv.org/abs/2511.23299
Discovery of linear propadienone: Study of the chemistry of linear and cyclic H2C3O and H2C3S in TMC-1
Esplugues et al. arXiv
Esplugues et al. arXiv
Discovery of linear propadienone: Study of the chemistry of linear and cyclic H$_2$C$_3$O and H$_2$C$_3$S in TMC-1
We report the first detection in space of propadienone, the linear isomer (l-H$_2$C$_3$O) of cyclopropenone (c-H$_2$C$_3$O). We also report the first detection of the isotopologue c-H$_2$$^{13}$CCCO,…
arxiv.org
November 27, 2025 at 1:42 AM
Discovery of linear propadienone: Study of the chemistry of linear and cyclic H2C3O and H2C3S in TMC-1
Esplugues et al. arXiv
Esplugues et al. arXiv
Chemical evolution in high-mass star-forming regions
Fontani et al. arXiv (Frontiers)
arxiv.org/abs/2511.14326
Fontani et al. arXiv (Frontiers)
arxiv.org/abs/2511.14326
Chemical evolution in high-mass star-forming regions
Growing evidence shows that most stars in the Milky Way, including the Sun, are born in high-mass star-forming regions, but due to both observational and theoretical challenges, our understanding of…
arxiv.org
November 24, 2025 at 11:49 PM
Chemical evolution in high-mass star-forming regions
Fontani et al. arXiv (Frontiers)
arxiv.org/abs/2511.14326
Fontani et al. arXiv (Frontiers)
arxiv.org/abs/2511.14326
Detection of six isotopologues of CH3CCCCH in TMC-1 with the QUIJOTE line survey
Cabezas et al. A&A
www.aanda.org/articles/aa/...
Cabezas et al. A&A
www.aanda.org/articles/aa/...
November 24, 2025 at 10:14 PM
Detection of six isotopologues of CH3CCCCH in TMC-1 with the QUIJOTE line survey
Cabezas et al. A&A
www.aanda.org/articles/aa/...
Cabezas et al. A&A
www.aanda.org/articles/aa/...
November 24, 2025 at 5:07 PM
Methylamine Formation on Amorphous Solid Water via the Diffusive CH3 + NH2 Reaction as Investigated by the Cs+ Ion Pickup Method
Iguchi et al. ACS Earth & Space Chemistry
pubs.acs.org/doi/10.1021/...
Iguchi et al. ACS Earth & Space Chemistry
pubs.acs.org/doi/10.1021/...
November 23, 2025 at 2:02 PM
Methylamine Formation on Amorphous Solid Water via the Diffusive CH3 + NH2 Reaction as Investigated by the Cs+ Ion Pickup Method
Iguchi et al. ACS Earth & Space Chemistry
pubs.acs.org/doi/10.1021/...
Iguchi et al. ACS Earth & Space Chemistry
pubs.acs.org/doi/10.1021/...
Spectroscopic Detection and Characterization of Cyanooxomethylium, NCCO+
Bast et al. JPCA
pubs.acs.org/doi/10.1021/...
Bast et al. JPCA
pubs.acs.org/doi/10.1021/...
November 22, 2025 at 1:53 PM
Spectroscopic Detection and Characterization of Cyanooxomethylium, NCCO+
Bast et al. JPCA
pubs.acs.org/doi/10.1021/...
Bast et al. JPCA
pubs.acs.org/doi/10.1021/...
Collisional Dynamics of NC4NH+ with H2 in the Interstellar Medium
Chahal et al. MNRAS
academic.oup.com/mnras/advanc...
Chahal et al. MNRAS
academic.oup.com/mnras/advanc...
Collisional Dynamics of NC4NH+ with H2 in the Interstellar Medium
Abstract. The present work explores the quantum dynamics of protonated dicyanoacetylene (NC4NH+) in collision with both para- and ortho-H2 over the tempera
academic.oup.com
November 22, 2025 at 2:53 AM
Collisional Dynamics of NC4NH+ with H2 in the Interstellar Medium
Chahal et al. MNRAS
academic.oup.com/mnras/advanc...
Chahal et al. MNRAS
academic.oup.com/mnras/advanc...
JWST observations of cosmic-ray-excited H2 in Barnard 68: spatial variations and constraints on cosmic-ray attenuation
Neufeld et al., to appear in ApJ
arxiv.org/abs/2511.16003
Neufeld et al., to appear in ApJ
arxiv.org/abs/2511.16003
JWST observations of cosmic-ray-excited H$_2$ in Barnard 68: spatial variations and constraints on cosmic-ray attenuation
We present James Webb Space Telescope (JWST) NIRSpec observations of the starless dark cloud Barnard 68 that reveal the spatially-resolved signature of cosmic-ray excited molecular hydrogen…
arxiv.org
November 22, 2025 at 12:40 AM
JWST observations of cosmic-ray-excited H2 in Barnard 68: spatial variations and constraints on cosmic-ray attenuation
Neufeld et al., to appear in ApJ
arxiv.org/abs/2511.16003
Neufeld et al., to appear in ApJ
arxiv.org/abs/2511.16003
Postdoctoral Research Scientist in Protoplanetary Disks and Planet Formation available with Jane Huang at Columbia University.
Deadline: 22 December
aas.org/jobregister/...
#academicjobs
#postdocs
#postdocpositions
Deadline: 22 December
aas.org/jobregister/...
#academicjobs
#postdocs
#postdocpositions
Postdoctoral Research Scientist in Protoplanetary Disks and Planet Formation | American Astronomical Society
The Department of Astronomy at Columbia University invites applications for a Postdoctoral Research Scientist position to work with Professor Jane Huang. Current research topics in the Huang group…
aas.org
November 20, 2025 at 4:07 PM
Postdoctoral Research Scientist in Protoplanetary Disks and Planet Formation available with Jane Huang at Columbia University.
Deadline: 22 December
aas.org/jobregister/...
#academicjobs
#postdocs
#postdocpositions
Deadline: 22 December
aas.org/jobregister/...
#academicjobs
#postdocs
#postdocpositions
VUV Photoionization Study of the Gas Formation of the Indene-A Molecular Building Block of Nonplanar PAHs
Li et al JPCA
pubs.acs.org/doi/10.1021/...
Li et al JPCA
pubs.acs.org/doi/10.1021/...
November 20, 2025 at 1:40 PM
VUV Photoionization Study of the Gas Formation of the Indene-A Molecular Building Block of Nonplanar PAHs
Li et al JPCA
pubs.acs.org/doi/10.1021/...
Li et al JPCA
pubs.acs.org/doi/10.1021/...
Millimeter-wave Spectrum Analysis and Searches for 2-aminopropenenitrile ( ) toward the Galactic Center Sources Sgr B2(N1) and G+0.693–0.027
Luková et al. ApJ
iopscience.iop.org/article/10.3...
Luková et al. ApJ
iopscience.iop.org/article/10.3...
November 19, 2025 at 2:07 PM
Millimeter-wave Spectrum Analysis and Searches for 2-aminopropenenitrile ( ) toward the Galactic Center Sources Sgr B2(N1) and G+0.693–0.027
Luková et al. ApJ
iopscience.iop.org/article/10.3...
Luková et al. ApJ
iopscience.iop.org/article/10.3...
Sense and Sensitivity - I. Uncertainty analysis of the gas-phase chemistry in AGB outflows
Van de Sande et al. arXiv (MNRAS)
arxiv.org/abs/2511.13638
Van de Sande et al. arXiv (MNRAS)
arxiv.org/abs/2511.13638
Sense and Sensitivity - I. Uncertainty analysis of the gas-phase chemistry in AGB outflows
Chemical reaction networks are central to all chemical models. Each rate coefficient has an associated uncertainty, which is generally not taken into account when calculating the chemistry. We…
arxiv.org
November 19, 2025 at 12:32 AM
Sense and Sensitivity - I. Uncertainty analysis of the gas-phase chemistry in AGB outflows
Van de Sande et al. arXiv (MNRAS)
arxiv.org/abs/2511.13638
Van de Sande et al. arXiv (MNRAS)
arxiv.org/abs/2511.13638
Unveiling the Chemical Complexity and C/O Ratio of the HD 163296 Protoplanetary Disk: Constraints from Multi-line ALMA Observations of Organics, Nitriles, Sulfur-bearing, and Deuterated Molecules
Kashyap et al. arXiv (ApJS)
arxiv.org/abs/2511.10882
Kashyap et al. arXiv (ApJS)
arxiv.org/abs/2511.10882
Unveiling the Chemical Complexity and C/O Ratio of the HD 163296 Protoplanetary Disk: Constraints from Multi-line ALMA Observations of Organics, Nitriles, Sulfur-bearing, and Deuterated Molecules
The physical and chemical conditions within a protoplanetary disk play a crucial role in determining its chemical composition, which is subsequently inherited by any forming planets. To probe these…
arxiv.org
November 18, 2025 at 11:50 PM
Unveiling the Chemical Complexity and C/O Ratio of the HD 163296 Protoplanetary Disk: Constraints from Multi-line ALMA Observations of Organics, Nitriles, Sulfur-bearing, and Deuterated Molecules
Kashyap et al. arXiv (ApJS)
arxiv.org/abs/2511.10882
Kashyap et al. arXiv (ApJS)
arxiv.org/abs/2511.10882
The November AstroCheminar from the ACS Astrochemistry Subdivision is Wed 19 Nov at 2 PM ET feat. Dr. Haley Scolati of the University of British Columbia.
"From Code to Cloud: Machine Learning Approaches to Complex Interstellar Chemistry."
Register (free!) at:
buff.ly/bqkFI0o
"From Code to Cloud: Machine Learning Approaches to Complex Interstellar Chemistry."
Register (free!) at:
buff.ly/bqkFI0o
November 18, 2025 at 4:35 PM
The November AstroCheminar from the ACS Astrochemistry Subdivision is Wed 19 Nov at 2 PM ET feat. Dr. Haley Scolati of the University of British Columbia.
"From Code to Cloud: Machine Learning Approaches to Complex Interstellar Chemistry."
Register (free!) at:
buff.ly/bqkFI0o
"From Code to Cloud: Machine Learning Approaches to Complex Interstellar Chemistry."
Register (free!) at:
buff.ly/bqkFI0o
Astrochemistry is the study of molecules in space - where they are, how they got there, and what they are doing! If that sounds fun to you, check us out on YouTube or your favorite podcatcher. Monthly interviews with astrochemists, history of the field, journal articles, and more! 🧪
Astrochem Coffee
Catch our latest episode directly below.
Find other ways to listen, get all the papers and info from our episodes and catch up on those you missed, and find links to other useful resources all via t...
coffee.astrochem.net
November 18, 2025 at 3:43 PM
Astrochemistry is the study of molecules in space - where they are, how they got there, and what they are doing! If that sounds fun to you, check us out on YouTube or your favorite podcatcher. Monthly interviews with astrochemists, history of the field, journal articles, and more! 🧪
Molecular Observations of the Protoplanetary Nebula Frosty Leo: A Unique Window into Superoxygen Chemistry - IOPscience
Gold & Ziurys ApJ
iopscience.iop.org/article/10.3...
Gold & Ziurys ApJ
iopscience.iop.org/article/10.3...
November 18, 2025 at 3:04 PM
Molecular Observations of the Protoplanetary Nebula Frosty Leo: A Unique Window into Superoxygen Chemistry - IOPscience
Gold & Ziurys ApJ
iopscience.iop.org/article/10.3...
Gold & Ziurys ApJ
iopscience.iop.org/article/10.3...
Infrared Spectra of Protonated Phenanthridine (C13H9NH+) and Isomers of Monohydrogenated Phenanthridine (C13H9NH and 1-, 2-, 7-, 9-, and 10-HC13H9N) Isolated in Solid Para-Hydrogen
👉 Implications for the UIR bands are discussed.
Yang et al. JPCA
pubs.acs.org/doi/10.1021/...
👉 Implications for the UIR bands are discussed.
Yang et al. JPCA
pubs.acs.org/doi/10.1021/...
November 17, 2025 at 11:49 PM
Infrared Spectra of Protonated Phenanthridine (C13H9NH+) and Isomers of Monohydrogenated Phenanthridine (C13H9NH and 1-, 2-, 7-, 9-, and 10-HC13H9N) Isolated in Solid Para-Hydrogen
👉 Implications for the UIR bands are discussed.
Yang et al. JPCA
pubs.acs.org/doi/10.1021/...
👉 Implications for the UIR bands are discussed.
Yang et al. JPCA
pubs.acs.org/doi/10.1021/...
Check out our interview with Jane Huang, Assistant Professor of Astronomy at Columbia, from our October 2025 episode!
- YouTube
Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.
youtu.be
November 17, 2025 at 10:14 PM
Check out our interview with Jane Huang, Assistant Professor of Astronomy at Columbia, from our October 2025 episode!
Carbox: an end-to-end differentiable astrochemical simulation framework.
"a new astrochemical simulation code that leverages the modern high-performance transformation framework Jax ... that can easily utilize GPU acceleration"
Vermariën et al. arXiv
"a new astrochemical simulation code that leverages the modern high-performance transformation framework Jax ... that can easily utilize GPU acceleration"
Vermariën et al. arXiv
Carbox: an end-to-end differentiable astrochemical simulation framework
Since the first observations of interstellar molecules, astrochemical simulations have been employed to model and understand its formation and destruction path- ways. With the advent of…
arxiv.org
November 17, 2025 at 5:07 PM
Carbox: an end-to-end differentiable astrochemical simulation framework.
"a new astrochemical simulation code that leverages the modern high-performance transformation framework Jax ... that can easily utilize GPU acceleration"
Vermariën et al. arXiv
"a new astrochemical simulation code that leverages the modern high-performance transformation framework Jax ... that can easily utilize GPU acceleration"
Vermariën et al. arXiv
A Submillimeter Survey of CS Excitation in Protoplanetary Disks: Evidence of X-ray-Driven Sulfur Chemistry
Law et al. arXiv (ApJ)
Law et al. arXiv (ApJ)
A Submillimeter Survey of CS Excitation in Protoplanetary Disks: Evidence of X-ray-Driven Sulfur Chemistry
The sulfur chemistry in protoplanetary disks influences the properties of nascent planets, including potential habitability. Although the inventory of sulfur molecules in disks has gradually…
arxiv.org
November 16, 2025 at 8:55 PM
A Submillimeter Survey of CS Excitation in Protoplanetary Disks: Evidence of X-ray-Driven Sulfur Chemistry
Law et al. arXiv (ApJ)
Law et al. arXiv (ApJ)
Alexander Dalgarno and the Development of Astrochemistry
An article prepared by John Black to accompany a talk at a meeting on the History of Astrochemistry in October at Burlington House, London organized by the Historical Group of the Royal Society of Chemistry.
An article prepared by John Black to accompany a talk at a meeting on the History of Astrochemistry in October at Burlington House, London organized by the Historical Group of the Royal Society of Chemistry.
Alexander Dalgarno and the development of astrochemistry
The interdisciplinary field of astrochemistry arose during the 1970s as observations in previously unexplored parts of the electromagnetic spectrum began to reveal the extent of a molecular component…
arxiv.org
November 16, 2025 at 4:07 PM
Alexander Dalgarno and the Development of Astrochemistry
An article prepared by John Black to accompany a talk at a meeting on the History of Astrochemistry in October at Burlington House, London organized by the Historical Group of the Royal Society of Chemistry.
An article prepared by John Black to accompany a talk at a meeting on the History of Astrochemistry in October at Burlington House, London organized by the Historical Group of the Royal Society of Chemistry.
Adsorption and condensation of molecules on astrophysical dust grain surfaces: Ab-initio calculations and kinetic Monte Carlo simulations
Wang et al. arXiv (submitted to ApJ)
Wang et al. arXiv (submitted to ApJ)
Adsorption and condensation of molecules on astrophysical dust grain surfaces: Ab-initio calculalations and kinetic Monte Carlo simulations
The adsorption of volatile molecules onto dust grain surfaces fundamentally influences dust-related processes, including condensation of gas-phase molecules, dust coagulation, and planet formation in…
arxiv.org
November 16, 2025 at 2:02 PM
Adsorption and condensation of molecules on astrophysical dust grain surfaces: Ab-initio calculations and kinetic Monte Carlo simulations
Wang et al. arXiv (submitted to ApJ)
Wang et al. arXiv (submitted to ApJ)