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    "story_id": "mp-2026-09-09-019",
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    "headline": "Three Frequency Bands Could Catch Two Dozen of the Same Mergers",
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    "dek": "A forecast found the largest three-band yield when decihertz observations begin within about three years of the millihertz mission.",
    "summary": "A forecast found the largest three-band yield when decihertz observations begin within about three years of the millihertz mission.",
    "body_text": "Using GWTC-4-derived populations and explicit mission timing, the study forecasts 23.5 plus 8.7 or minus 6.2 three-band events for one network at signal-to-noise eight. Subthreshold searches could raise yields four- to fivefold; these remain mission and population forecasts.",
    "why_it_matters": "A forecast found the largest three-band yield when decihertz observations begin within about three years of the millihertz mission.",
    "limitations": [
      "Subthreshold searches could raise yields four- to fivefold; these remain mission and population forecasts."
    ],
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    "first_published_at": "2026-09-09T09:00:00.000-04:00",
    "modified_at": "2026-09-09T09:00:00.000-04:00",
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        "text": "A forecast found the largest three-band yield when decihertz observations begin within about three years of the millihertz mission.",
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        "qualification": "Subthreshold searches could raise yields four- to fivefold; these remain mission and population forecasts."
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    "source_ids": [
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    "tags": [
      "gravitational waves",
      "black holes",
      "multiband astronomy"
    ],
    "image_url": null,
    "corrections": []
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  "sources": [
    {
      "source_id": "source-2026-09-09-021",
      "title": "arXiv preprint 2609.07176",
      "publisher": "arXiv",
      "url": "https://arxiv.org/abs/2609.07176",
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      "source_type": "primary_research",
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      "published_at": "2026-09-07T04:07:26.000-04:00",
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  "publisher": {
    "name": "The Machine Press",
    "url": "https://themachinepress.com",
    "description": "A daily newspaper for the age of artificial intelligence."
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  "cite_this_report": {
    "title": "Three Frequency Bands Could Catch Two Dozen of the Same Mergers",
    "publisher": "The Machine Press",
    "published_at": "2026-09-09T09:00:00.000-04:00",
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