29 citations
- Midnapore City CollegeIN10 papers
- City CollegeUS4 papers
- Indian Centre for Space PhysicsIN3 papers
- Leiden UniversityNL3 papers
- Amity UniversityIN2 papers
- Astronomical Observatory of RomeIT2 papers
- Center for Excellence in Basic SciencesIN2 papers
- Indian Institute of Science Education and Research, BhopalIN2 papers
- Istituto Nazionale di Fisica Nucleare, Sezione di CagliariIT2 papers
- Jadavpur UniversityIN2 papers
- Mahidol UniversityTH2 papers
- Montana State UniversityUS2 papers
42 papers
Hypersurface Anchored Variational Principle for General Relativity
Prasanta Sahoo
A hypersurface anchored variational extension of General Relativity is formulated in which the Einstein-Hilbert action is supplemented by a diffeomorphism invariant functional supp…
RAD@home discovery of a bow-and-arrow radio galaxy tracing a ~560 kpc bow-shock structure in a multi-halo environment
Ananda Hota, Pratik Dabhade, Shubhrangshu Ghosh +9
We report the RAD@home citizen science discovery of a unique bow-and-arrow-shaped radio galaxy (BAARG; RAD J104501.6+352852, z = 0.159) identified in LoTSS DR2. The source exhibits…
Organic Acid Chemistry in ISM: Detection of Formic Acid and its Prebiotic Chemistry in Hot Core G358.930.03 MM1
Arijit Manna, Sabyasachi Pal, Sekhar Sinha +1
In the interstellar medium, formic acid (HCOOH) plays a significant role in the synthesis of the simplest amino acid, glycine (NHCHCOOH). The presence of HCOOH suggests…
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…
Quintom Dark Energy: Future Attractor and Phantom Crossing in Light of DESI DR2 Observation
Phusuda Thanankullaphong, Prasanta Sahoo, Prajwal Hassan Puttasiddappa +1
We study the late-time cosmological dynamics of a two-field dark energy model consisting of a canonical quintessence scalar field and a phantom scalar field in a spatially flat FLR…
A New Catalog of Head Tail Radio Galaxies from the VLA FIRST Survey
Tapan K. Sasmal, Soumen Bera, Sabyasachi Pal +1
The head--tail (HT) morphology of radio galaxies is seen for a class of radio sources where the primary lobes are being bent in the intercluster weather due to strong interactions…