VLA 20160218

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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

List of Events/Features

Time Feature Event AIA Movie VLA Movie RHESSI Quicklook Images Comments
19:43-19:44 small stripes Maybe A6.4Microflare@19:43 [AR2501] File:1943.gif 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 [on the limb] File:2008ty3.gif 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 [on the limb] [File:2008gs.gif] 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] File:2110.gif Yes File:2110.png Quasi-periodic pulsations in impulsive phase. Highest RHESSI response @ 25keV. Radio source located near a footpoint.