Disclaimer: The following material is being kept online for archival purposes.

Although accurate at the time of publication, it is no longer being updated. The page may contain broken links or outdated information, and parts may not function in current web browsers.

CME Masses at Solar Minimum

Gareth Lawrence


Much has been learned from the LASCO data set about the spatial and temporal distributions of CMEs, and also about some key parameters such as their typical speeds and - sometimes - accelerations, and the plane-of-sky angles they subtend. Less is known about the masses involved - the excess mass carried away in these explosive events. We present the results of calculations of masses of all 'significant' - i.e., ~1e13g or greater - CMEs observed by LASCO in a period around the minimum period of solar cycle 23 spanning several months. The question of the proportion of solar wind mass flux contained in CMEs at solar minimum is addressed. We also analyse in detail the masses of CMEs observed during the high-cadence (~3 min) LASCO/C3 programme run in Jan. 1996.

Above is background material for archival reference only.

NASA Logo, National Aeronautics and Space Administration
NASA Official: Adam Szabo

Curators: Robert Candey, Alex Young, Tamara Kovalick

NASA Privacy, Security, Notices