Collaborative VLA, SOHO and RHESSI Investigations of Type I Noise Storms and their Association with Evolving Coronal Loops and Coronal Mass Ejections

Details Collaborative VLA, SOHO and RHESSI Investigations of Type I Noise Storms and their Association with Evolving Coronal Loops and Coronal Mass Ejections Collaborative VLA, SOHO and RHESSI Investigations of Type I Noise Storms and their Association with Evolving Coronal Loops and Coronal Mass Ejections

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...204.3811w&link_type=abstract

American Astronomical Society Meeting 204, #38.11; Bulletin of the American Astronomical Society, Vol. 36, p.714

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Scientific paper

We discuss recent collaborative Very Large Array investigations of Type I noise storms and their association with evolving trans-equatorial loops, coronal mass ejections. and impulsive bursts. On one day, an impulsive hard X-ray burst observed by RHESSI was associated with an increase in the brightness of a trans-equatorial loop detected by the VLA at 20 cm and by the SOHO EIT at EUV wavelengths. Gradual changes in the brightness temperature of the more compact 6 and 20 cm coronal loop emission at the distant footpoint region of this large-scale loop were subsequently detected, suggesting magnetic interactions that operate over large distances. On another day, changes in the morphology and brightness of a quiescent coronal loop detected by the VLA at 91 cm were observed during the onset of a coronal mass ejection (LASCO) that originated from an active region behind the solar limb. These observations suggest that the thermal environment of the corona above the region where the quiescent 91 cm emission was detected may have been affected by energy deposited in this region of the corona by the distant CME

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