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UCalgary APA detection model

This model is a binary classifier which predicts whether Amorphous Pulsating Aurora (APA) is visible in THEMIS ASI data. APA is a type of pulsating aurora, discussed in the paper Grono, Donovan [2018].

Hourly keogram showing an example of Amorphous Pulsating Aurora from Fort Smith, Canada (2019-03-16 UT11)

You can use this model in the Conjunction Search webpage and the Ephemeris search PyAuroraX/API functions with the below values:

  • Metadata field: calgary_apa_ml_v1
    • Allowed values
      • classified as APA
      • classified as not APA
      • not classified
  • Metadata field: calgary_apa_ml_v1_confidence
    • Allowed values
      • float between 0.0 and 100.0


AuroraX Conjunction Search metadata filter modal showing the "calgary_apa_ml_v1" and "calgary_apa_ml_v1_confidence" fields.