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Detection of the Polycyclic Aromatic Hydrocarbon Phenalene (C13H10) in the Very Low-luminosity Object MC27/L1521F

  • Authors: Gabi Wenzel, Thomas H. Speak, Ci Xue, Edwin A. Bergin, Andrew M. Burkhardt, Martin A. Cordiner, Miya Duffy, Zachary T. P. Fried, Andrew Lipnicky, Christopher N. Shingledecker, Reace H. J. Willis, Anthony J. Remijan, Michael C. McCarthy, Brett A. McGuire, Ilsa R. Cooke

Gabi Wenzel et al 2026 The Astrophysical Journal Letters 1006 .

  • Provider: AAS Journals

Caption: Figure 2.

Abundance of detected (polycyclic) aromatic hydrocarbons ((P)AHs) in TMC-1 CP (blue and black hexagons) and in MC27/L1521F (magenta stars) with respect to the molecular hydrogen abundance in each source and as a function of number of carbon atoms per molecule, NC. Dashed horizontal lines are the propagated benzonitrile abundances to guide the eye. The area shaded in gray highlights the high abundance of phenalene in TMC-1 CP and MC27/L1521F. Column density values and the references they originate from are reported in Table B1.

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