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The H II Regions’ Molecular Law of Star Formation

  • Authors: Daniela Calzetti, Drew Lapeer, Robert C. Kennicutt, Bruce Elmegreen, Sean T. Linden, Mark R. Krumholz, Angela Adamo, Daniel A. Dale, Karin Sandstrom, Giacomo Bortolini, Michele Cignoni, Matteo Correnti, Ana Duarte-Cabral, Helena Faustino Vieira, John S. Gallagher, Kathryn Grasha, Mark Heyer, Leslie K. Hunt, Kelsey E. Johnson, Ralf S. Klessen, Thomas S.-Y. Lai, Desika Narayanan, Göran Östlin, Alex Pedrini, Elena Sabbi, John-David T. Smith, Linda J. Smith, Monica Tosi, Varun Bajaj, Martha Boyer, Tony D. Weinbeck

Daniela Calzetti et al 2026 The Astrophysical Journal 1008 .

  • Provider: AAS Journals

Caption: Figure 9.

The effects of age variations, between 1 Myr and 6 Myr (vertical dark-red bars), on ΣSFR for our regions, shown as a function of ΣSFR for the same bins as the left-hand side; the vertical bars are centered on the mean ΣSFR–Σmol relation (blue line). The variations in ΣSFR range from 0.52 dex at the low end to 0.44 dex at the high end, mirroring the increase in the contribution of the 21 μm emission to the SFR budget from low to high ΣSFR.

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