The SolarMonitor Active Region Tracking (SMART) Algorithm: Variation of magnetic feature properties through solar cycle 23

Details The SolarMonitor Active Region Tracking (SMART) Algorithm: Variation of magnetic feature properties through solar cycle 23 The SolarMonitor Active Region Tracking (SMART) Algorithm: Variation of magnetic feature properties through solar cycle 23

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsh51b1278h&link_type=abstract

American Geophysical Union, Fall Meeting 2009, abstract #SH51B-1278

Astronomy and Astrophysics

Astrophysics

[7524] Solar Physics, Astrophysics, And Astronomy / Magnetic Fields, [7529] Solar Physics, Astrophysics, And Astronomy / Photosphere, [7536] Solar Physics, Astrophysics, And Astronomy / Solar Activity Cycle, [7599] Solar Physics, Astrophysics, And Astronomy / General Or Miscellaneous

Scientific paper

The SolarMonitor Active Region Tracking (SMART) algorithm is an automated system for detecting, tracking, and cataloging magnetic features throughout their evolution and decay. The SMART method will form the basis of active region extraction and tracking within the Heliophysics Integrated Observatory (HELIO). Magnetic properties such as total flux, flux imbalance, flux emergence rate, Schrijver's R-value, R* (a modified version of R), and Falconer's measurement of non-potentiality are determined for individual features throughout solar cycle 23. The variation of these feature property distributions with progression through the solar cycle is presented. Feature detections using the SMART algorithm for line-of-sight level 1.8 SOHO/MDI magnetogram taken 22 October 2003 at 12:47. Active region candidates are denoted "AR", emerging flux concentrations are denoted "EF", plage regions are denoted "PL" and other flux concentrations are labeled "NF".

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