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SPARC: MASS MODELS FOR 175 DISK GALAXIES WITH SPITZER PHOTOMETRY AND ACCURATE ROTATION CURVES

  • Authors: Federico Lelli, Stacy S. McGaugh, and James M. Schombert

2016 The Astronomical Journal 152 157.

  • Provider: AAS Journals

Caption: Figure 4.

Gas fraction (Equation (7)) vs. [3.6] luminosity for ϒ⋆ = 0.5 M⊙/L⊙ (left) and ϒ⋆ = 0.2 M⊙/L⊙ (right). Galaxies are color-coded by Hubble type. The vertical line at L[3.6] = 3 × 109 L⊙ approximately separates spirals (T = 1–7) from dwarf irregulars (T = 8–11).

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