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The EDGE-CALIFA Survey: Star Formation Efficiency and Galaxy Quenching across 62 Main-sequence, Green Valley, and Red Galaxies

  • Authors: Yu-Hsuan Teng, Alberto D. Bolatto, Peter J. Teuben, Erik Rosolowsky, David T. Frayer, Amanda A. Kepley, Sebastian F. Sanchez, Tony Wong, Adam K. Leroy, Dario Colombo, Serena A. Cronin, K. Decker French, Veselina Kalinova, Rebecca C. Levy, Karin M. Sandstrom, Vicente Villanueva, Jorge K. Barrera-Ballesteros, Zein Bazzi, Yixian Cao, Alex Green, Rodrigo Herrera-Camus, Eduardo A. D. Lacerda, Jialu Li, Alejandra Z. Lugo-Aranda, Jocabed Martinez-Lopez, Elizabeth Tarantino, Akshat Tripathi, Carolyn G. Volpert, Di Wen

Yu-Hsuan Teng et al 2026 The Astrophysical Journal 1007 .

  • Provider: AAS Journals

Caption: Figure 9.

Histograms of the derived gas depletion times under four different αCO treatments: constant MW value, a CO velocity dispersion-based prescription (T24*; Equation (10)), and two metallicity + stellar mass density–based prescriptions (B13 and SL24; Equations (8) and (9)). The vertical dashed lines represent the median tdep values for each galaxy population. All four prescriptions reveal distinct tdep distributions for the MS, GV, and RG groups, showing longer tdep in more quenched galaxies.

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