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Title

On the radiation driven alignment of dust grains: Detection of the polarization hole in a starless core (Corrigendum)

AuthorsAlves, F. O.; Frau, P.; Girart, Josep Miquel ; Franco, G. A. P.; Santos, F. P.; Wiesemeyer, H.
KeywordsErrata, addenda
ISM: individual objects: Core 109
Techniques: polarimetric
ISM: magnetic fields
Stars: formation
Issue Date3-Feb-2015
PublisherEDP Sciences
CitationAstronomy and Astrophysics 574: C4 (2015)
AbstractFigure 2 in the original manuscript displays the polarization efficiency for the optical, near infrared and sub-millimeter (submm) polarimetric data as P/AV, where P is the polarization degree and AV is the visual extinction traced by the data. However, the polarization efficiency for the submm data should be simply P. By dividing P by AV, we obtain a steeper and wrong slope for the decrease in polarization efficiency. The suitable form for Fig. 2 of the original document is exhibited in Fig. 1 of the present corrigendum. The submm polarization efficiency decreases as ~−1.0 with respect to AV, instead of the originally published ~−2.0. Although the decrease in polarization efficiency at the submm regime is shallower than originally proposed, our modelling of the polarization degree with respect to the relative intensity, I/Imax, still predicts the detection of a polarization hole (Sect. 3 of the published manuscript). Therefore, the main conclusions are unchanged.
Publisher version (URL)https://doi.org/10.1051/0004-6361/201424678e
URIhttp://hdl.handle.net/10261/183001
Identifiersdoi: 10.1051/0004-6361/201424678e
e-issn: 1432-0746
issn: 0004-6361
ReferencesAlves, F. O.; Frau, P.; Girart, J. M.; Franco, G. A. P.; Santos, F. P.; Wiesemeyer, H. On the radiation driven alignment of dust grains: Detection of the polarization hole in a starless core. http://hdl.handle.net/10261/181624 http://doi.org/10.1051/0004-6361/201424678
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