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March 25, 2026

Unveiling blazar candidates within unassociated Fermi sources through radio and near-infrared observations

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Authors

CMC. I. MartínezLDL. DonosoLZL. Zibecchi

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Overview

This analysis identifies blazar candidates among unassociated gamma-ray sources, suggesting potential new targets for study.

Key Points

  • To identify blazar candidates among unassociated gamma-ray sources detected by Fermi.
  • Analyzed radio and near-infrared data for unassociated gamma-ray sources in the Galactic plane.
  • Filtered sources based on interstellar extinction and confidence error ellipses.
  • Utilized catalogs like VLASS and VVV for continuum radio emission and variable near-infrared sources.
  • Examined spectral energy distributions to confirm blazar candidates.
  • Identified 34 radio sources as potential counterparts to 22 unassociated gamma-ray sources.
  • Confirmed four of these sources as blazar candidates and one as an elliptical galaxy.
  • Estimated spectral energy distributions for candidate sources using RACS bands.

Cite This Study

Martínez et al. (2026) studied this question.

synapsesocial.com/papers/69c37b33b34aaaeb1a67d68dhttps://doi.org/10.1051/0004-6361/202558182/pdf
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