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Persistent Homology for Parameter-free Radio Spectral Line Decomposition

  • Authors: Carlos Vera-Ciro

Carlos Vera-Ciro 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 5.

Head-to-head comparison on real data. Per-spectrum residual rms: PHSPECTRA versus GAUSSPY+. Points below the 1:1 line (dashed) indicate spectra where PHSPECTRA achieves lower residual rms.

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