11 citations · 44 across the 12 of their papers we have counts for
12 papers
Tracing the Origin of Circular-Symmetry Diffuse Radio Sources in the Next-Generation SKAO Era
Sabyasachi Pal, Shobha Kumari, Souvik Manik +2
Circularly symmetric diffuse radio sources represent a recently recognized and rare class of extragalactic synchrotron-emitting structures whose physical origin remains uncertain.…
Exploring the Influence of the Jet-environment Interactions on the Observed Asymmetry of Extragalactic Radio Sources with SKAO
Sabyasachi Pal, Souvik Manik, Shobha Kumari +1
Several observational and theoretical studies have suggested that the observed arm-length asymmetries in extragalactic radio sources are primarily driven by interactions between ra…
Probing AGN duty cycle and cluster-driven morphology in a giant episodic radio galaxy
Shobha Kumari, Sabyasachi Pal, Surajit Paul +1
The evolution of radio jet morphology and its energetics is significantly influenced by the environment in which the host galaxy resides. As giant radio galaxies (GRGs) often exten…
Circular Mystery: Exploring Diffuse Emission Surrounding a Radio Galaxy with uGMRT and VLA Multiwavelength Observations
Shobha Kumari, Sabyasachi Pal, Souvik Manik
We report the discovery of J1218+1813, a circular diffuse radio source detected in the Very Large Array (VLA) FIRST survey at 1400 MHz. The source has an angular diameter of approx…
Hybrid Morphology Radio Sources from the MeerKAT Absorption Line Survey (MALS): Radio, Mid-infrared and Environmental Characteristics
Souvik Manik, Shobha Kumari, Netai Bhukta +2
Hybrid morphology radio sources (HyMoRSs) are a rare subclass of radio galaxies that display a Fanaroff-Riley type I (FR I) morphology on one side of the central supermassive black…
J0011+3217: A peculiar radio galaxy with a one-sided secondary lobe and misaligned giant primary lobes
Shobha Kumari, Sabyasachi Pal, Martin J. Hardcastle +1
From the LOFAR Two-metre Sky Survey second data release (LoTSS DR2) at 144 MHz, we identified a peculiar radio galaxy, J0011+3217. It has a large, one-sided diffuse secondary wing…
Discovery of a circularly symmetric extended diffuse radio emission around an elliptical galaxy with the VLA FIRST survey
Shobha Kumari, Sabyasachi Pal
We identify a source (J1507+3013) with an extended diffuse radio emission around an elliptical galaxy from the Very Large Array (VLA) Faint Images of Radio Sky at Twenty-cm (FIRST)…
A horseshoe-shaped ring of diffuse emission detected at 1.4 GHz
Shobha Kumari, Sabyasachi Pal
We identify a horseshoe-shaped ring (HSR) of diffuse emission in J1407+0453 from the Faint Images of Radio Sky at Twenty-cm (FIRST) survey using the Very Large Array telescope. An…
Search for hybrid morphology radio galaxies from FIRST survey at 1400 MHz
Shobha Kumari, Sabyasachi Pal
Hybrid Morphology Radio Sources (HyMoRS) are a very rare subclass of radio galaxies with apparent mixed FR morphology, i.e. these galaxies seem to have an FR-I structure on one sid…
Winged Radio Sources from LOFAR Two-metre Sky Survey First Data Release (LoTSS DR1)
Sabyasachi Pal, Shobha Kumari
Winged radio sources are a small sub-class of extragalactic radio sources which display a pair of low surface brightness radio lobes, known as `wings' aligned at a certain angle wi…
Head Tail Radio Sources from VLA FIRST Survey
Sabyasachi Pal, Shobha Kumari
The study of Head Tail (HT) radio galaxies track the information of associated galaxy clusters. With the help of the VLA FIRST survey at 1.4 GHz, we detected 607 new HT radio sourc…
A new catalogue of head-tail radio galaxies from LoTSS DR1
Sabyasachi Pal, Shobha Kumari
The unique morphology of head-tail (HT) radio galaxies suggests that radio jets and their intra-cluster medium interact strongly. We conducted a systematic search for HT radio gala…