2018 Census of Interstellar, Circumstellar, Extragalactic, Protoplanetary Disk, and Exoplanetary Molecules

@article{McGuire20182018CO,
  title={2018 Census of Interstellar, Circumstellar, Extragalactic, Protoplanetary Disk, and Exoplanetary Molecules},
  author={B. McGuire},
  journal={arXiv: Astrophysics of Galaxies},
  year={2018}
}
  • B. McGuire
  • Published 2018
  • Physics
  • arXiv: Astrophysics of Galaxies
To date, 204 individual molecular species, comprised of 16 different elements, have been detected in the interstellar and circumstellar medium by astronomical observations. These molecules range in size from two atoms to seventy, and have been detected across the electromagnetic spectrum from cm-wavelengths to the ultraviolet. This census presents a summary of the first detection of each molecular species, including the observational facility, wavelength range, transitions, and enabling… Expand
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References

SHOWING 1-10 OF 665 REFERENCES
First detections of extragalactic SO2, NS and NO
We report the first detections of SO 2 , NS and NO in an extragalactic source, the nucleus of the starburst galaxy NGC 253. Five SO 2 transitions, three groups of hyperfine components of NO and fiveExpand
Detection of Interstellar OH in Two External Galaxies
Abstract : Molecular OH lines at 1665 and 1667 MHz have been detected in absorption in the spiral galaxy NGC 253 and the irregular galaxy M82. This is the first time interstellar molecular lines,Expand
Detection of an Extrasolar Planet Atmosphere
We report high-precision spectrophotometric observations of four planetary transits of HD 209458, in the region of the sodium resonance doublet at 589.3 nm. We find that the photometric dimmingExpand
Detection of Interstellar PN: The First Identified Phosphorus Compound in the Interstellar Medium
Interstellar PN has been identified in Ori (KL), W51M, and Sgr B2, by observations of its J = 2-1, 3-2, and 5-4 rotational transitions. PN appears to occur in regions of relatively high excitation,Expand
First Detection of the Simplest Organic Acid in a Protoplanetary Disk
The formation of asteroids, comets, and planets occurs in the interior of protoplanetary disks during the early phase of star formation. Consequently, the chemical composition of the disk might shapeExpand
Observations of the Icy Universe
Freeze-out of the gas-phase elements onto cold grains in dense interstellar and circumstellar media builds up ice mantles consisting of molecules that are mostly formed in situ (H2O, NH3, CO2, CO,Expand
Detection of CH 4 in the GV Tau N Protoplanetary Disk
T Tauri stars are low mass young stars that may serve as analogs to the early solar system. Observations of organic molecules in the protoplanetary disks surrounding T Tauri stars are important forExpand
Detection of extragalactic argonium, ArH + , toward PKS 1830-211
Context. Argonium has recently been detected as a ubiquitous molecule in our Galaxy. Model calculations indicate that its abundance peaks at molecular fractions in the range of 10^(-4) to 10^(-3) andExpand
Detection of C60 and C70 in a Young Planetary Nebula
TLDR
The environment of Tc 1, a peculiar planetary nebula whose infrared spectrum shows emission from cold and neutral C60 and C70, is studied, indicating that if the conditions are right, fullerenes can and do form efficiently in space. Expand
Confirmation of interstellar N2H
The proposed identification of the triplet of interstellar lines recently discovered at 93.174 GHz with the molecular ion N2H(+) is confirmed by resolving the predicted hyperfine structure of theExpand
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