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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 5.

Comparison of the GBT CO (1–0) integrated line fluxes with those from the ALMA ACA CO (2–1) data (V. Villanueva et al. 2024) for the nine galaxies that overlap between both samples. They show a CO (2–1)/(1–0) line ratio (R21) of 0.70 ± 0.27. Galaxies with the highest and lowest R21 tend to have higher uncertainties in the GBT data.

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