Table 2
Parameters of log SFR(M⊙ yr-1) = alog M⋆(M⊙) + b fits of the global MSSF for galaxies of different morphologies.
| Morph. | Sa | Sb | Sbc | Sc | Sd |
|
|
|||||
| logarithmic slope (a) | 0.34 | 0.65 | 0.71 | 0.77 | 0.94 |
| zero-point (b) | −3.87 | −6.83 | −7.05 | −7.66 | −9.12 |
| log SFR(M⋆ = 1010 M⊙) | −0.47 | −0.33 | −0.05 | −0.04 | 0.28 |
Notes. They are obtained for panel (a) in Fig. 4. For convenience, the corresponding SFR for a 1010 M⊙ galaxy is also listed (in M⊙ yr-1). The slope is significantly shallower in Sa than in later spirals because most of the Sa galaxies are off the MSSF.
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