The role of radiative torques in the molecular cloud core L43

Open Access

Fig. 2

Degree of polarization as a function of the normalized intensity in the RNO 91 region (top panel) and the L43E region (bottom panel). The black lines indicate the best fit of Eq. (8) to each dataset. In the L43E region, we find $a_{2} = {1.03}_{- 0.10}^{0.10}$ $a_2 = 1.03^{0.10}_{-0.10}$ ( $χ_{r e d}^{2} = 0.63$ $\chi^2_{\mathrm{red}}=0.63$ ) at 154 μm, $a_{2} = {0.81}_{- 0.07}^{0.08}$ $a_2 = 0.81^{0.08}_{-0.07}$ ( $χ_{r e d}^{2} = 0.73$ $\chi^2_{\mathrm{red}}=0.73$ ) at 450 μm and $a_{2} = {0.97}_{- 0.05}^{0.05}$ $a_2 = 0.97^{0.05}_{-0.05}$ ( $χ_{r e d}^{2} = 0.99$ $\chi^2_{\mathrm{red}}=0.99$ ) at 850 μm. In the RNO 91 region, we find $a_{2} = {0.82}_{- 0.02}^{0.02}$ $a_2 = 0.82^{0.02}_{-0.02}$ ( $χ_{r e d}^{2} = 1.79$ $\chi^2_{\mathrm{red}}=1.79$ ) at 154 μm, $a_{2} = {1.04}_{- 0.10}^{0.10}$ $a_2 = 1.04^{0.10}_{-0.10}$ ( $χ_{r e d}^{2} = 0.73$ $\chi^2_{\mathrm{red}}=0.73$ ) at 450 μm and $a_{2} = {1.02}_{- 0.09}^{0.09}$ $a_2 = 1.02^{0.09}_{-0.09}$ ( $χ_{r e d}^{2} = 0.69$ $\chi^2_{\mathrm{red}}=0.69$ ) at 850 μm.

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