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Table 11

Comparison of SFR tracers for 30 Dor.

SFR tracer SFR [M⊙ yr-1]
Salpeter IMF Kroupa IMF
Lyman continuum (Stars) [ph s-1] 10.56 × 1051 0.088 ± 0.053 0.061 ± 0.0373
[ph s-1] 12.37 × 1051 0.103 ± 0.062 0.073 ± 0.0443
FUV continuum (1615 Å) F1615 [erg cm-2 s-1 Å] 4.88 × 10-11
I16151 [erg cm-2 s-1 Å] 2.01 × 10-9
L1615 [erg s-1 A] 6.02 × 1038 0.102 ± 0.033 0.071 ± 0.0234
Lyman continuum (Hα) FHα [erg cm-2 s-1] 1.37 × 10-8
IHα(corr)2 [erg cm-2 s-1] 4.12 × 10-8
LHα(corr) [erg s-1] 1.23 × 1040 0.075 ± 0.018 0.052 ± 0.0125
Combined Hα and MIR (22 μm) F22 [Jy] 2800
νL22 [erg s-1] 1.13 × 1041
LHα(obs) [erg s-1] 4.09 × 1039 0.050 ± 0.003 0.035 ± 0.0026
LHα(corr) [erg s-1] 1.23 × 1040 0.100 ± 0.018 0.070 ± 0.0126
FIR Continuum LFIR [erg s-1] 1.58 × 1041 0.010 ± 0.001 0.007 ± 0.0017

Notes.

(1)

A1600 = 4.0 mag from Fitzpatrick (1986) law

(2)

AHα = 1.20 mag from integrated F(Hα)/F(Hβ) ratio

(3)

From Eq. (1).

(4)

From Eq. (3).

(5)

From Eq. (2).

(6)

From Eq. (5). Salpeter IMF SFRs are obtained by scaling Kroupa IMF SFRs by a factor of 1.44.

(7)

From Eq. (4).

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