Solar limb brightening observed with SOHO/UVCS

Cora, A. and Marocchi, D. and Giordano, S. and Zangrilli, L. (2019) Solar limb brightening observed with SOHO/UVCS. Il nuovo cimento C, 42 (1). pp. 1-4. ISSN 1826-9885

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A model of the ultraviolet emission from chromospheric and transition region solar plasma is necessary for a correct interpretation of the measurements of the resonantly scattered spectral lines in solar corona and to determine the stray light correction needed to subtract non-coronal signal from coronagraphic data. That model is useful for analysis of SOHO/UltraViolet Coronagraph Spectrometer (UVCS) observations and for the incoming future missions for coronal study in UV spectral range. Escape probability techniques avoid the need for a full solution of the radiative transfer equation and reduce the question to a geometrical problem. In this paper we use UVCS observations to calculate a simple function to approximate a radial limb brightening.

Item Type: Article
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 27 Nov 2020 10:10
Last Modified: 27 Nov 2020 10:10

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