Colloquium: First Results from Proba-3: A Milestone in Formation Flying and Solar Observation

Proba-3, the European Space Agency's pioneering mission, marks the first-ever fine-formation flying mission aimed at observing the Sun's corona with unprecedented precision, thus implementing a total solar eclipse for a duration of several hours. This talk will present the initial results obtained from all the instruments aboard Proba-3 during its ongoing commissioning phase.
The mission's primary objective is to demonstrate precision formation flying, where two spacecraft maintain a fixed configuration to function as a giant, space-based coronagraph. This innovative approach allows for the detailed study of the solar corona, free from the interference of the Sun's bright disk.
Key highlights of the mission so far include:
Formation Flying Success: The two spacecraft have successfully flown in formation for extended periods, enabling the opening of the ASPIICS instrument's door and capturing high-quality images.
ASPIICS Instrument: The initial images acquired with the white-band and narrow-band filters have shown excellent quality with minimal stray light, confirming the instrument's capability to observe the solar corona effectively.
DARA Instrument: Continuous collection the total solar irradiance measurements has been achieved, with ancillary data generated and made available for analysis.
Although still in the commissioning phase, the acquired results underscore the mission's potential to improve our understanding of the solar corona and pave the way for future formation flying missions. The talk will delve into the technical challenges overcome, the scientific objectives achieved so far and the one’s laying ahead of us, and the collaborative efforts that have made these early successes possible.
Information
IWF Colloquium series
Speaker
Prof. Joe Zender
When
12.6.2025, 14.00 Uhr
Where
Jupiter U.a.4 in-person
Recordings
Please be aware that the talks may be recorded, including the questions asked by the audience after the talk.