Dataset Open Access

Samples of solar flares classes, active regions and time of occurrence

Gradvohl, André Leon Sampaio; Fernandes, Matheus Evers Rodrigues

Citation Style Language JSON Export

  "DOI": "10.5281/zenodo.1048995", 
  "abstract": "<p>This dataset contains samples of solar flares measurements of classes X, M, C and B.</p>\n\n<p>For clarification, the flares are classified as follows:</p>\n\n<ul>\n\t<li>Class X: flares <span class=\"math-tex\">\\(&gt;10^{-4} watts/m^{2}\\)</span></li>\n\t<li>Class M: <span class=\"math-tex\">\\(10^{-5} watts/m^{2} &lt;\\)</span>flares <span class=\"math-tex\">\\(&lt;10^{-4} watts/m^{2}\\)</span></li>\n\t<li>Class C: <span class=\"math-tex\">\\(10^{-6} watts/m^{2}&lt;\\)</span>flares<span class=\"math-tex\">\\(&lt;10^{-5} watts/m^{2}\\)</span></li>\n\t<li>Class B: <span class=\"math-tex\">\\(10^{-7} watts/m^{2}&lt;\\)</span>flares<span class=\"math-tex\">\\(&lt;10^{-6} watts/m^{2}\\)</span></li>\n</ul>\n\n<p>This dataset was assembled with data from</p>\n\n<p>The date (yyyy-mm-dd hh:mm:ss) the authors assembled the data is 2017-11-14 13:48:37</p>\n\n<p>The original data source is the National Oceanic &amp; Atmospheric Administration (NOAA), U.S. Departement of Commerce.</p>\n\n<p>Data description:</p>\n\n<ul>\n\t<li><strong>Class</strong>: Class of the flare: X, M, C or B</li>\n\t<li><strong>Date</strong>: Date of occurence in yyyy-mm-dd format.</li>\n\t<li><strong>AR</strong>: Active Region ID attributed by NOAA.</li>\n\t<li><strong>Begin</strong>: time the flare begins in hh:mm:ss format.</li>\n\t<li><strong>Max</strong>: time the flare reaches its max value in hh:mm:ss format.</li>\n\t<li><strong>End</strong>: time the flare vanishes in hh:mm:ss format.</li>\n</ul>\n\n<p>The dataset has 2,256 tuples divided as follows:</p>\n\n<ul>\n\t<li>171 tuples with X class flares data (7.58%).</li>\n\t<li>572 tuples with M class flares data (25.35%).</li>\n\t<li>767 tuples with C class flares data (34%).</li>\n\t<li>746 tuples with B class flares data (33.07%).</li>\n</ul>\n\n<p>The data collected refer to the period between August 25, 1996 and May 29, 2017.</p>", 
  "author": [
      "family": "Gradvohl, Andr\u00e9 Leon Sampaio"
      "family": "Fernandes, Matheus Evers Rodrigues"
  "id": "1048995", 
  "issued": {
    "date-parts": [
  "language": "eng", 
  "note": "The HighPIDS research group ( use this dataset to apply Deep Learning algorithms to classify magnetograms of the Sun.", 
  "publisher": "Zenodo", 
  "title": "Samples of solar flares classes, active regions and time of occurrence", 
  "type": "dataset", 
  "version": "0.1"


Cite as