{
  "$schema": "https://themachinepress.com/schemas/story-v1.schema.json",
  "schema_version": "1.0.0",
  "document_type": "machine_press_story",
  "story": {
    "story_id": "mp-2026-09-17-017",
    "source_story_id": "tmp-sidebar-ds-tuc-fuv-flares",
    "edition_id": "mp-2026-09-17-morning-0070",
    "edition_url": "https://themachinepress.com/edition/2026-09-17",
    "position": 19,
    "story_type": "ticker",
    "section": "research",
    "editorial_classification": "editorial",
    "headline": "A Young Sun Analog Flared 26 Times in 11 Hours",
    "slug": "a-young-sun-analog-flared-26-times-in-11-hours",
    "dek": "Hubble recorded far-ultraviolet events lasting 90–960 seconds with energies up to about 10³¹ ergs.",
    "summary": "Hubble recorded far-ultraviolet events lasting 90–960 seconds with energies up to about 10³¹ ergs.",
    "body_text": "Hubble observations of the 45-million-year-old star DS Tuc A found 26 far-ultraviolet flares during 11.1 hours. Durations ranged from 90 to 960 seconds and observed-band energies from about 10²⁹ to 10³¹ ergs. The activity constrains radiation environments around young solar analogs and the transiting planet DS Tuc Ab; scaled X-ray and bolometric values remain model-derived.",
    "why_it_matters": "Hubble recorded far-ultraviolet events lasting 90–960 seconds with energies up to about 10³¹ ergs.",
    "limitations": [
      "The activity constrains radiation environments around young solar analogs and the transiting planet DS Tuc Ab; scaled X-ray and bolometric values remain model-derived."
    ],
    "importance": 7,
    "canonical_url": "https://themachinepress.com/story/mp-2026-09-17-017/a-young-sun-analog-flared-26-times-in-11-hours",
    "json_url": "https://themachinepress.com/story/mp-2026-09-17-017.json",
    "first_published_at": "2026-09-17T09:00:00.000-04:00",
    "modified_at": "2026-09-17T09:00:00.000-04:00",
    "content_status": "new",
    "is_carryover": false,
    "carryover_reason": null,
    "key_claims": [
      {
        "claim_id": "claim-mp-2026-09-17-017-001",
        "text": "Hubble recorded far-ultraviolet events lasting 90–960 seconds with energies up to about 10³¹ ergs.",
        "source_ids": [
          "source-2026-09-17-019"
        ],
        "qualification": "The activity constrains radiation environments around young solar analogs and the transiting planet DS Tuc Ab; scaled X-ray and bolometric values remain model-derived."
      }
    ],
    "source_ids": [
      "source-2026-09-17-019"
    ],
    "tags": [
      "stellar flares",
      "Hubble",
      "exoplanet environments"
    ],
    "image_url": null,
    "corrections": []
  },
  "sources": [
    {
      "source_id": "source-2026-09-17-019",
      "title": "arXiv preprint 2609.17683",
      "publisher": "arXiv",
      "url": "https://arxiv.org/abs/2609.17683",
      "canonical_url": "https://arxiv.org/abs/2609.17683",
      "source_type": "primary_research",
      "is_primary_source": true,
      "published_at": "2026-09-15T14:01:56.000-04:00",
      "accessed_at": "2026-09-17T08:28:34.205-04:00",
      "supports_claim_ids": [
        "claim-mp-2026-09-17-017-001"
      ]
    }
  ],
  "corrections": [],
  "publisher": {
    "name": "The Machine Press",
    "url": "https://themachinepress.com",
    "description": "A daily newspaper for the age of artificial intelligence."
  },
  "cite_this_report": {
    "title": "A Young Sun Analog Flared 26 Times in 11 Hours",
    "publisher": "The Machine Press",
    "published_at": "2026-09-17T09:00:00.000-04:00",
    "canonical_url": "https://themachinepress.com/story/mp-2026-09-17-017/a-young-sun-analog-flared-26-times-in-11-hours"
  }
}