Speaker
Description
Modern radio telescopes have the ability to probe the inner Heliosphere using propagation techniques such as Interplanetary Scintillation. Such approaches have huge promise for data validation, since they are able to survey such a large volume of the Heliosphere including measurements well out of the ecliptic and at a range of heights. The density of measurements is particularly high for the latest generation of radio telescopes. For example, The MWA and ASKAP, both situated in Western Australia are characterised by an enormous field of view, which provides an unprecedented number of lines of sight.
These observations therefore present a huge opportunity. however, this approach also comes with enormous challenges, particularly for a community that is used to working with in-situ measurements. The principle difference is that such observations are integrated along the line of sight. IPS also does not directly sense density or velocity, but some proxy for these quantities, which must then be scaled using empirical relationships.
I will describe some of the IPS datasets we have (which we hope to make available to the community in the near future), and how they can be used both to measure the background solar wind, and detect and characterise Stream Interaction Regions and CMEs. I will discuss some of the ways that these datasets may be used for validation; for example, by forward-modelling IPS and other observations from 3D simulations, or by using tomographic techniques.
| Do you plan to attend in-person or online? | Online |
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