Discovery of 100 kpc narrow curved twin jet in S-shaped giant radio galaxy: J0644+1043
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| Main Authors: | , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866916257739046912 |
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| author | Sethi, Sagar Kuźmicz, Agnieszka Jamrozy, Marek Slavcheva-Mihova, Lyuba |
| author_facet | Sethi, Sagar Kuźmicz, Agnieszka Jamrozy, Marek Slavcheva-Mihova, Lyuba |
| contents | We report the discovery of an S-shaped morphology of the radio galaxy J0644$+$1043 imaged with a 30 $μ$Jy sensitive 525 MHz broadband (band 3 $+$ 4) uGMRT map. Dedicated spectroscopic observations of the host galaxy carried out with the 2-meter Rozhen telescope yielded a redshift of 0.0488, giving a projected linear size of the peculiar radio structure of over 0.7 Mpc. This giant radio galaxy is powered by a black hole of mass 4.1$^{+9.39}_{-2.87}\times 10^8$ \msun, from which vicinity emanate well-collimated and knotty jets, each $\sim$100 kpc long. The entire radio structure, presumably due to the effective jet precession, is less than 50 Myr old, has a power of $\sim$6 $\times 10^{24}$ W Hz$^{-1}$ at 1.4 GHz and the observed morphological characteristics do not strictly conform to the traditional FR I or FR II categories. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_14668 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Discovery of 100 kpc narrow curved twin jet in S-shaped giant radio galaxy: J0644+1043 Sethi, Sagar Kuźmicz, Agnieszka Jamrozy, Marek Slavcheva-Mihova, Lyuba Astrophysics of Galaxies We report the discovery of an S-shaped morphology of the radio galaxy J0644$+$1043 imaged with a 30 $μ$Jy sensitive 525 MHz broadband (band 3 $+$ 4) uGMRT map. Dedicated spectroscopic observations of the host galaxy carried out with the 2-meter Rozhen telescope yielded a redshift of 0.0488, giving a projected linear size of the peculiar radio structure of over 0.7 Mpc. This giant radio galaxy is powered by a black hole of mass 4.1$^{+9.39}_{-2.87}\times 10^8$ \msun, from which vicinity emanate well-collimated and knotty jets, each $\sim$100 kpc long. The entire radio structure, presumably due to the effective jet precession, is less than 50 Myr old, has a power of $\sim$6 $\times 10^{24}$ W Hz$^{-1}$ at 1.4 GHz and the observed morphological characteristics do not strictly conform to the traditional FR I or FR II categories. |
| title | Discovery of 100 kpc narrow curved twin jet in S-shaped giant radio galaxy: J0644+1043 |
| topic | Astrophysics of Galaxies |
| url | https://arxiv.org/abs/2405.14668 |