%0 Journal Article %T Peculiarities of 630.0 and 557.7 nm emissions in the main ionospheric trough: March 17, 2015 %A Zolotukhina, N.A. %A Polekh, N.M. %A Mikhalev, A.V. %A Beletsky, A.B. %A Podlesny, S.V. %K second step of the magnetic storm main phase, 557.7 and 630.0 nm emissions, main ionospheric trough, polarization jet %J Solar-Terrestrial Physics %D 2021 %N 7 %P 14 %I INFRA-M Academic Publishing LLC.