output
20082026
most citedEnhancement of spatiotemporal regularity in an optimal window of random coupling

29 citations

Showing astro-ph.GAShow all

28 papers · 1 filter

astro-ph.GA2026

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…

astro-ph.GA2026★ 1 cited

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…

astro-ph.GA2026

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…

astro-ph.GA2025★ 24 cited

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…

astro-ph.GA2025★ 2 cited

First detection of ethylene oxide and acetaldehyde in hot core G358.930.03 MM1: Tracing prebiotic oxygen chemistry

Arijit Manna, Sabyasachi Pal

Ethylene oxide (c-CHO) and its isomer, acetaldehyde (CHCHO), are important complex organic molecules owing to their potential role in the formation of amino acids…

astro-ph.GA2024★ 12 cited

First Identification and Chemical Modeling of New Thiol (SH) Bearing Molecule in the Interstellar Medium: Dithioformic Acid

Arijit Manna, Sabyasachi Pal

The study of complex organic molecules containing thiol (SH) groups is essential in interstellar media because SH plays an important role in the polymerization of amino acids…

astro-ph.GA2024

A GMRT 610 MHz radio survey of the North Ecliptic Pole (NEP, ADF-N) / Euclid Deep Field North

Glenn J. White, L. Barrufet, S. Serjeant +17

This paper presents a 610 MHz radio survey covering 1.94 square degrees around the North Ecliptic Pole (NEP), which includes parts of the AKARI (ADF-N) and Euclid, Deep Fields Nort…

astro-ph.GA2024★ 6 cited

Detection of antifreeze molecule ethylene glycol in the hot molecular core G358.930.03 MM1

Arijit Manna, Sabyasachi Pal, Serena Viti

The identification of complex prebiotic molecules using millimeter and submillimeter telescopes allows us to understand how the basic building blocks of life are formed in the univ…

astro-ph.GA2024★ 6 cited

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…

astro-ph.GA2024★ 5 cited

Observation of Complex Organic Molecules Containing Peptide-like Bonds Toward Hot Core G358.930.03 MM1

Arijit Manna, Sabyasachi Pal

In star formation regions, the complex organic molecules (COMs) that contain peptide bonds (NHC(=O)) play a major role in the metabolic process because NHC(=O) is…

astro-ph.GA2024★ 4 cited

Study of Complex Nitrogen and Oxygen-bearing Molecules toward the High-mass Protostar IRAS 180891732

Arijit Manna, Sabyasachi Pal, Tapas Baug +1

The observation of oxygen (O)- and nitrogen (N)-bearing molecules gives an idea about the complex prebiotic chemistry in the interstellar medium (ISM). In this article, we present…

astro-ph.GA2024★ 4 cited

Detection and prebiotic chemistry of possible glycine precursor molecule methylenimine towards the hot molecular core G10.47+0.03

Arijit Manna, Sabyasachi Pal

Amino acids are essential for the synthesis of protein. Amino acids contain both amine (RNH) and carboxylic acid (RCOOH) functional groups, which help to understand the…

astro-ph.GA2024★ 8 cited

Detection of possible glycine precursor molecule methylamine towards the hot molecular core G358.930.03 MM1

Arijit Manna, Sabyasachi Pal

The search for the simplest amino acid, glycine (NHCHCOOH), in the interstellar medium (ISM), has become a never-ending story for astrochemistry and astrophysics resear…

astro-ph.GA2024★ 9 cited

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)…

astro-ph.GA2023★ 7 cited

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…

astro-ph.GA2023★ 4 cited

ACA observation and chemical modelling of phosphorus nitride (PN) towards the hot molecular cores G10.47+0.03 and G31.41+0.31

Arijit Manna, Sabyasachi Pal

Phosphorus (P) is one of the important elements for the formation of life and plays a crucial role in several biochemical processes. Recent spectral line surveys have confirmed the…

astro-ph.GA2023★ 15 cited

Identification of the simplest sugar-like molecule glycolaldehyde towards the hot molecular core G358.93-0.03 MM1

Arijit Manna, Sabyasachi Pal, Serena Viti +1

Glycolaldehyde (CHOHCHO) is the simplest monosaccharide sugar in the interstellar medium, and it is directly involved in the origin of life via the 'RNA world' hypothesis. We…

astro-ph.GA2023★ 4 cited

Detection of monothioformic acid towards the solar-type protostar IRAS 16293-2422

Arijit Manna, Sabyasachi Pal

In the interstellar medium (ISM), the complex organic molecules that contain the thiol group (SH) play an important role in the polymerization of amino acids. We look for SH-bea…

astro-ph.GA2023★ 9 cited

Identification of interstellar cyanamide towards the hot molecular core G358.93-0.03 MM1

Arijit Mannna, Sabyasachi Pal

The amide-related molecules are essential for the formation of the other complex bio-molecules and an understanding of the prebiotic chemistry in the interstellar medium (ISM). We…

astro-ph.GA2022★ 7 cited

Detection of complex nitrogen-bearing molecule ethyl cyanide towards the hot molecular core G10.47+0.03

Arijit Manna, Sabyasachi Pal

The studies of the complex organic molecular lines towards the hot molecular cores at millimeter and submillimeter wavelengths provide instructive knowledge about the chemical comp…

astro-ph.GA2022★ 13 cited

RAD@home citizen science discovery of an AGN spewing a large unipolar radio bubble onto its merging companion galaxy

Ananda Hota, Pratik Dabhade, Sravani Vaddi +8

AGN feedback during galaxy merger has been the most favoured model to explain black hole-galaxy co-evolution. However, how the AGN-driven jet/wind/radiation is coupled with the gas…

astro-ph.GA2022★ 14 cited

Detection of interstellar cyanamide (NHCN) towards the hot molecular core G10.47+0.03

Arijit Manna, Sabyasachi Pal

In the interstellar medium, the amide-type molecules play an important role in the formation of the prebiotic molecules in the hot molecular cores or high-mass star formation regio…

astro-ph.GA2021★ 21 cited

Identification of interstellar amino acetonitrile in the hot molecular core G10.47+0.03: Possible glycine survey candidate for the future

Arijit Manna, Sabyasachi Pal

Amino acids are the essential keys that contribute to the study of the formation of life. The simplest amino acid, glycine (NHCHCOOH), has been searched for a long time…

astro-ph.GA2021

First detection of methyl formate in the hot molecular core IRAS 18566+0408

Arijit Manna, Sabyasachi Pal

The studies of the complex molecular emission lines in millimeter and submillimeter wavelengths towards the hot molecular cores demonstrate valuable details about the chemical comp…