VLA 20160218

Overview

This observation was made in C configuration (max baseline length 3 km) with the full array (27 antennas) in L band (1-2 GHz), with 2 MHz frequency resolution and 50 ms time resolution. The observation was coordinated with Hinode and IRIS (HOP 297). Two C-class flares were covered: A C1.2 eruptive flare at the limb N11W88 starting at 19:59 and a C1.4 flare from AR 2501 near the disk center N03E23. RHESSI data is available for the impulsive phase of the C1.4 flare. File:20160218 sum.png

• VLA overview movie: this should have ~10 s cadence at several frequencies (perhaps one for each spw, so 8), zoomed in to the flare site.

• AIA movie: AIA movie on the disk AIA movie on the limb

List of Events/Features

Time	Feature	Event	AIA Movie	RHESSI	Quicklook Images	Comments
19:43-19:44	small stripes	Maybe A6.4Microflare@19:43	Near solar disk center	No	File:1943.png	Few stripes at lower frequency below 1.5GHz, maybe a microflare. Radio flux increase corresponding the west source.
20:08-20:10	Type III	C1.2@19:59	Near Ar2501	No	File:2008ty3.png	Type III like features at lower frequency around 1~1.3 GHz, Radio source locate on the limb
20:08-20:10	Broadband GS	C1.2@19:59	Near Ar2501	No	File:2008GS.png	Broadband gyrosynchrotron emission across entire 1-2 GHz band, Radio source locate on the limb
21:09-21:12	Pulsations	C1.8@21:08	Ar2501 near solar disk center	Yes	File:2110.png	Quasi-periodic pulsations in impulsive phase. Highest RHESSI response @ 25keV. Radio source located near a footpoint.