Statistically Significant Linear Alignments Among High-Confidence Transient Candidates on POSS-I Photographic Plates

arXiv:2605.01190 · astro-ph.IM, astro-ph.EP, astro-ph.SR · Submitted 2026-05-02 · Read on arXiv

Brian Doherty

astro-ph.IM, astro-ph.EP, astro-ph.SR

Submitted: 2026-05-02

Comments: 20 pages, 9 figures

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Alignment — 79× in this paper · explained in 1 episode
• Clustering — 9× in this paper · explained in 2 episodes
• Monte Carlo — 7× in this paper
• Verification — 2× in this paper · explained in 2 episodes
• Commentary — 1× in this paper · explained in 2 episodes
• Fidelity — 1× in this paper · explained in 2 episodes
• Trace — 1× in this paper · explained in 2 episodes

Sources

• Machine Learning Supports Existence of Previously Unrecognized Transient Astronomical Phenomena in Historical Observatory Images
• A Response to paper Critical Evaluation of Studies Alleging Evidence for Technosignatures in the POSS1-E Photographic Plates by Watters et al. (2026)
• Searching for Fast Astronomical Transients in Archival Photographic Plates
• Independent Replication of Nuclear Test-Transient Correlations and Earth Shadow Deficit in POSS-I Photographic Plates

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