Hunting the nature of the Seyfert 1 galaxy GRS 1734-292: can it be a gamma-ray emitter?

arXiv:2608.30358 · astro-ph.HE, astro-ph.GA · Submitted 2026-08-31 · Read on arXiv

astro-ph.HE, astro-ph.GA

Submitted: 2026-08-31

Updated: 2026-08-31

Comments: 25 pages, 7 figures, 5 tables

License: http://creativecommons.org/licenses/by/4.0/

The gist: It has been proposed that the radio-weak Seyfert galaxy GRS 1734-292 is the counterpart of 3EG J1736-2908 and of the nearby Fermi/LAT source.

Terminology

AGN — 18× in this paper · explained in 1 episode
Abundance — 3× in this paper · explained in 1 episode
Calibration — 3× in this paper · explained in 7 episodes
European Southern Observatory — 2× in this paper
Absorption Cross Section — 1× in this paper · explained in 1 episode
Adam — 1× in this paper · explained in 2 episodes
Burst Alert Telescope — 1× in this paper
Compton Gamma-Ray Observatory — 1× in this paper
ESO Very Large Telescope — 1× in this paper
Energetic Gamma Ray Experiment Telescope — 1× in this paper
European Photon Imaging Camera — 1× in this paper
Exposures on the X-Ray Telescope — 1× in this paper
High Energy Astrophysics Science Archive Research Center — 1× in this paper
New Technology Telescope — 1× in this paper
Position Sensitive Proportional Counter — 1× in this paper
Very Large Array — 1× in this paper

Abstract

It has been proposed that the radio-weak Seyfert galaxy GRS 1734-292 is the counterpart of 3EG J1736-2908 and of the nearby Fermi/LAT source. I examine this identification, considering that the radio weakness could result from free-free absorption of a relativistic jet. An association with the EGRET detections is plausible, whereas the latest Fermi/LAT localization no longer favors GRS 1734-292. New observations, especially at radio frequencies of tens of GHz, would help to settle the issue.

Hunting the nature of the Seyfert 1 galaxy GRS 1734-292: can it be a gamma-ray emitter?

Terminology

Abstract

Sources

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