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Table 4
Details of the SFR estimated using different methods in the literature.
| Method | Region covered | SFR (M⊙ yr-1) | Reference |
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| YSO counting (photometric criterion) | | l |< 1.̊3, | b |< 0.̊17 | 0.14a | YHA09 |
| YSO counting (spectroscopic criterion) | ... | 0.07a | An11 |
| YSO counting (photometric criterion) | | l |< 1.̊5, | b |< 0.̊5 | 0.08b | Immer et al. (2012) |
| Free–free emission – SFR | | l |< 1.̊0, | b |< 0.̊5 | 0.015 | Longmore et al. (2013a) |
| | l |< 1.̊0, | b |< 1.̊0 | 0.06 | Longmore et al. (2013a) | |
| Column density threshold | | l |< 1.̊0, | b |< 0.̊5 | 0.78 | Longmore et al. (2013a) |
| Volumetric SF relations | | l |< 1.̊0, | b |< 0.̊5 | 0.41 | Longmore et al. (2013a) |
| Infrared luminosity–SFR | | l |< 1.̊0, | b |< 0.̊5 | 0.09±0.02 | Barnes et al. (2017) |
| YSO counting | |l|< 1.̊5, | b | < 0.̊5 | 0.046 ± 0.026 | This work |
Notes. The method used to estimate the SFR, the region of the CMZ covered, estimated SFR, and corresponding references are listed. aAssumed age of YSOs ~ 0.1 Myr. bAssumed age of YSOs ~ 1 Myr.
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