24–26 Jan 2024
Catania (Italy) - Museo Diocesano di Catania
UTC timezone

Intercomparison of the Metis/VL, LASCO-C2 and COR2-A coronagraphs

26 Jan 2024, 10:05
15m
Oral Session 7

Speaker

Aleksandr Burtovoi (Istituto Nazionale di Astrofisica (INAF))

Description

We present the comparison of the coronal visible light (VL) images obtained with the currently operating coronagraphs, such as Metis/Solar Orbiter, LASCO-C2/SOHO and COR2/STEREO-A. We compared the total (B) and polarized (pB) brightness data that was collected during various conjunctions and oppositions of these instruments in 2020-2023. Analyzing the latitudinal profiles of pB and B images obtained with each pair of coronagraphs, we found that they are in general highly correlated. As a result, we estimated additive and multiplicative scaling factors between these instruments.

Primary author

Aleksandr Burtovoi (Istituto Nazionale di Astrofisica (INAF))

Co-authors

Dr Yara De Leo (Max-Planck-Institut für Sonnensystemforschung) Prof. Marco Romoli (University of Florence – Physics and Astronomy Department) Dr Luca Teriaca (Max-Planck-Institut für Sonnensystemforschung) Federico Landini (Istituto Nazionale di Astrofisica (INAF)) Roberto Susino (Istituto Nazionale di Astrofisica (INAF))

Presentation materials