Detection of two interstellar polycyclic aromatic hydrocarbons via spectral matched filtering

@article{McGuire2021DetectionOT,
  title={Detection of two interstellar polycyclic aromatic hydrocarbons via spectral matched filtering},
  author={Brett A. McGuire and Ryan A. Loomis and Andrew M. Burkhardt and Kin Long Kelvin Lee and Christopher N. Shingledecker and Steven B. Charnley and Ilsa R. Cooke and Martin A. Cordiner and Eric Herbst and Sergei Kalenskii and Mark A. Siebert and Eric R. Willis and Ci Xue and Anthony J. Remijan and Michael C. McCarthy},
  journal={Science},
  year={2021},
  volume={371},
  pages={1265 - 1269}
}
Identifying PAHs in space Midinfrared spectroscopy has shown that polycyclic aromatic hydrocarbons (PAHs) are abundant in many astronomical objects, but this technique cannot determine which specific PAH molecules are present. Radio astronomy could provide individual identifications if the molecule is sufficiently abundant and has a large dipole moment, but PAHs are expected to produce large numbers of very weak lines. McGuire et al. performed a stacking and matched filter analysis to search… 

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