The Impact of Seyfert Jets on Galaxy Evolution Across Major Scaling Relations
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2026
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| author | Goddard, Julianne Shlosman, Isaac Romano-Diaz, Emilio |
| author_facet | Goddard, Julianne Shlosman, Isaac Romano-Diaz, Emilio |
| contents | We analyze a suite of high-resolution cosmological zoom-in simulations of jetted Seyfert galaxies over $z\leq10$ projected on the major scaling relations, comparing trajectories of `normal' versus jet-hosting galaxies. Models include thermal and mechanical jet feedback launched from supermassive black holes (SMBHs) seeded at $z\sim9.1$ and $z\sim3.7$ with $M_\bullet\sim10^6\,M_\odot$ in galaxies within dark matter halos of ${\rm log}\,M_{\rm halo}/M_\odot\sim11.8$ at $z=0$. A single parameter, the SMBH accretion efficiency, has been varied resulting in $L_{\rm jet}\sim10^{40-42}\,{\rm erg\,s^{-1}}$, and SMBH accretion rates range between $\sim 0.2-10^{-4}$ of the Eddington rate. We find that jet feedback (1) suppresses central star formation rates (SFRs), redistributes gas to larger radii, (2) generates long-lived expanding shocks that couple to the ISM and CGM, (3) reduces stellar mass ($M_*$), shifting galaxies toward lower central concentrations, and (4) alters host trajectories on the $M_{\rm halo}-M_*$, specific SFR$-M_*$, $M_\bullet-σ_{\rm bulge}$, Mass$-$Metallicity, Kennicutt-Schmidt, and baryonic Tully-Fisher relation planes. Specifically, we find that jetted Seyferts live longer in the green valley and more frequently move to the quenched region in comparison to the non-jetted galaxies. Despite producing only transient quenching, Seyfert jets cause persistent structural, kinematic and chemical signatures, including flatter rotation curves, elevated CGM metallicities, and reduced cold gas clumping. (5) Early SMBH seeding and stronger jets amplify these effects, yielding galaxies that lie systematically closer to some of the empirical relations, e.g., $M_{\rm halo}-M_*$, while showing offsets for others, e.g., Kennicutt-Schmidt, and demonstrating that low-luminosity Seyfert jets can exert a significant long-term influence on galaxy evolution. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2604_00110 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | The Impact of Seyfert Jets on Galaxy Evolution Across Major Scaling Relations Goddard, Julianne Shlosman, Isaac Romano-Diaz, Emilio Astrophysics of Galaxies We analyze a suite of high-resolution cosmological zoom-in simulations of jetted Seyfert galaxies over $z\leq10$ projected on the major scaling relations, comparing trajectories of `normal' versus jet-hosting galaxies. Models include thermal and mechanical jet feedback launched from supermassive black holes (SMBHs) seeded at $z\sim9.1$ and $z\sim3.7$ with $M_\bullet\sim10^6\,M_\odot$ in galaxies within dark matter halos of ${\rm log}\,M_{\rm halo}/M_\odot\sim11.8$ at $z=0$. A single parameter, the SMBH accretion efficiency, has been varied resulting in $L_{\rm jet}\sim10^{40-42}\,{\rm erg\,s^{-1}}$, and SMBH accretion rates range between $\sim 0.2-10^{-4}$ of the Eddington rate. We find that jet feedback (1) suppresses central star formation rates (SFRs), redistributes gas to larger radii, (2) generates long-lived expanding shocks that couple to the ISM and CGM, (3) reduces stellar mass ($M_*$), shifting galaxies toward lower central concentrations, and (4) alters host trajectories on the $M_{\rm halo}-M_*$, specific SFR$-M_*$, $M_\bullet-σ_{\rm bulge}$, Mass$-$Metallicity, Kennicutt-Schmidt, and baryonic Tully-Fisher relation planes. Specifically, we find that jetted Seyferts live longer in the green valley and more frequently move to the quenched region in comparison to the non-jetted galaxies. Despite producing only transient quenching, Seyfert jets cause persistent structural, kinematic and chemical signatures, including flatter rotation curves, elevated CGM metallicities, and reduced cold gas clumping. (5) Early SMBH seeding and stronger jets amplify these effects, yielding galaxies that lie systematically closer to some of the empirical relations, e.g., $M_{\rm halo}-M_*$, while showing offsets for others, e.g., Kennicutt-Schmidt, and demonstrating that low-luminosity Seyfert jets can exert a significant long-term influence on galaxy evolution. |
| title | The Impact of Seyfert Jets on Galaxy Evolution Across Major Scaling Relations |
| topic | Astrophysics of Galaxies |
| url | https://arxiv.org/abs/2604.00110 |