文章基本信息

标题：Measuring the magnetic field of a trans-equatorial loop system using coronal seismology
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作者：D. M. Long ; G. Valori ; D. Pérez–Suárez 等
期刊名称：Astronomy & Astrophysics
印刷版ISSN：0004-6361
电子版ISSN：1432-0746
出版年度：2017
卷号：607
页码：1-1
DOI：10.1051/0004-6361/201730413e
语种：English
出版社：EDP Sciences
摘要：It has been brought to our attention (B. Roberts, 2017, priv. comm.) that the formula used in Eq. (2) of our paper (Long et al. 2017) was incorrect. This equation should instead have read B = L P s 2πρ in 1 + ρ ex ρ in ! (1) where B is the magnetic field strength, L is the loop length, P is the period of the oscillation, ρ in is the internal density of the loop system and ρ ex is the external density of the surround- ing corona (cf. Roberts et al. 1984; Nakariakov & Ofman 2001; Van Doorsselaere et al. 2008a; Aschwanden & Schrijver 2011). As a result of the incorrect equation used, the value of the mag- netic field strength estimated using the oscillation of the trans- equatorial loop system quoted in Sect. 5.1 of Long et al. (2017) is also incorrect. It should instead be B ≈ 2.4 ± 0.6 G.
关键词：enSun: coronaSun: magnetic fieldsSun: oscillationserrata, addenda