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SOFIA/EXES Observations of Warm H2 at High Spectral Resolution: Witnessing Para-to-ortho Conversion behind a Molecular Shock Wave in HH7

  • Authors: David A. Neufeld, Curtis DeWitt, Pierre Lesaffre, Sylvie Cabrit, Antoine Gusdorf, Le Ngoc Tram, and Matthew Richter

2019 The Astrophysical Journal Letters 878 L18.

  • Provider: AAS Journals

Caption: Figure 4.

Top panel: neutral gas temperature (T3 = T/[103 K]), velocities for the neutral and ionized fluids (vn6,i6 = vn,i/[106 cm s−1]), and H2 OPR for the simple C-type shock model described in the text. Bottom panels: predicted H2 line profiles for the simple model described in the text, overlaid on the observed spectra for positions P1 and P2.

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