Browsing by Author "Randriamanakoto, Z."
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Item J1615+5452: a remnant radio galaxy in the ELAIS-N1 field(Oxford University Press, 2020) Taylor, A. R.; Randriamanakoto, Z.; Ishwara-Chandra, C. H.We report the discovery of a remnant radio active galactic nucleus (AGN) J1615+5452 in the field of ELAIS-N1. GMRT continuum observations at 150, 325, and 610 MHz combined with archival data from the 1.4 GHz NVSS survey were used to derive the radio spectrum of the source. At a redshift z ∼ 0.33, J1615+5452 has a linear size of ∼100 kpc and spectral indices ranging between α1400610<−1.5 and α325150=−0.61±0.12. While the source has a diffuse radio emission at low frequencies, we do not find evidence of core, jets, or hotspots in the 1.4 GHz VLA data of ∼5 arcsec angular resolution.