Published November 11, 2022 | Version 1.0

Looking for the elusive stellar coronal mass ejections. How can LOFAR help?

  • 1. Institute of astronomy and NAO, Bulgarian Academy of Sciences
  • 2. ESO
  • 3. Armagh Observatory
  • 4. DIAS; Armagh Observatory

Description

Abstract: Coronal mass ejections (CMEs) are the most explosive
manifestations of stellar magnetic activity. In the solar case, CMEs
and flares are associated with each other and this association
increases with increasing flaring energy, reaching 100% for high
energies. But does this hold true for other stars? Stellar flares with
various strengths have been observed on numerous occasions at radio,
optical, UV and X-ray wavelengths. This is not the case for CMEs. To
date there are very  few stellar CMEs detected. In this talk I will
discuss some recent results from CME studies in the optical and radio
domains, and our ongoing program to detect CMEs, particularly at LOFAR
frequencies. 

Notes

Additional funding acknowledgements: Bulgarian National Science Fund, grant No. КП-06-Н58/3- 16.11.21

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Additional details

Funding

European Commission
STELLAR - Scientific and Technological Excellence by Leveraging LOFAR Advancements in Radio Astronomy 952439