Talk
WHEN
March 16, 2021
5pm
WHERE
Zoom
WHO
Center for Space Science
Open to the Public
The presentation will cover results from work with Solar Orbiter and other spacecraft in solar wind, concerning large-scale structures relevant for planetary space weather modeling and prediction. Launched in February 2020, the magnetometer on Solar Orbiter has started taking data in April 2020, and immediately observed a stealth coronal mass ejection in situ on 2020 April 19, at 0.8 AU and only 4° away from the Sun-Earth line. In situ measurements by Bepi Colombo and Wind and imaging observations by STEREO-A and SOHO make this a rare triple point in situ / double point imaging event, and allows to model the magnetic structure of this CME with strong constraints. The EPD particle instrument also observed the event and made mulitpoint modeling of the Forbush decrease possible. A few other ICME events, and many high speed streams, were observed by Solar Orbiter during its first 2 orbits, among them an encounter of 2 ICMEs enveloping the heliospheric current sheet and interacting with a high speed stream. The talk will outline expectations for the ICME rates for the upcoming solar cycle 25, opening up the possibility to cross an ICME flux rope twice with Parker Solar Probe close to the Sun, and give an outlook for new missions relevant for this field that are expected to launch until 2030.
https://nyu.zoom.us/j/95975275056
Email nyuad.spacescience@nyu.edu for more details.
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