Tapan K. Sasmal
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View article: A Morphological Identification and Study of Radio Galaxies from LoTSS DR2. I. The “Winged” Radio Galaxies
A Morphological Identification and Study of Radio Galaxies from LoTSS DR2. I. The “Winged” Radio Galaxies Open
We conducted an extensive identification and analysis of various morphological classes and subclasses of radio galaxies using the latest high-resolution data from the second data release of the LOFAR Two-metre Sky Survey. This paper presen…
View article: Strange and Odd Morphology Extragalactic Radio Sources (STROMERSs): A Faint Images of the Radio Sky at Twenty-Centimeters (FIRST) Look at the Strange and Odd Radio Sources
Strange and Odd Morphology Extragalactic Radio Sources (STROMERSs): A Faint Images of the Radio Sky at Twenty-Centimeters (FIRST) Look at the Strange and Odd Radio Sources Open
We report the identification of an extremely rare and peculiar set of irregular radio sources, termed “STROMERSs” (STRange and Odd Morphology Extragalactic Radio Sources).ingThe irregular radio sources with very anomalous morphologies that…
View article: “Winged” Radio Sources from the LOFAR Two-meter Sky Survey First Data Release (LoTSS DR1)
“Winged” Radio Sources from the LOFAR Two-meter Sky Survey First Data Release (LoTSS DR1) Open
A small number of extragalactic radio sources disclose a pair of low-surface-brightness radio lobes, known as “wings,” aligned at a certain angle to the primary jets. Such exotic sources are known as “winged” radio sources. Here we report …
View article: A New Catalog of Head–Tail Radio Galaxies from the VLA FIRST Survey
A New Catalog of Head–Tail Radio Galaxies from the VLA FIRST Survey Open
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 between the radio jets and their respective intracluster med…
View article: FIRST Winged Radio Galaxies with X and Z Symmetry
FIRST Winged Radio Galaxies with X and Z Symmetry Open
X-shaped radio galaxies (XRGs) are a subclass of radio sources that exhibit a pair of secondary low surface brightness radio lobes oriented at an angle to the primary high surface brightness lobes. Sometimes, the secondary low brightened l…
View article: Discovery of Four Miscellaneous Radio Galaxies From LoTSS DR1
Discovery of Four Miscellaneous Radio Galaxies From LoTSS DR1 Open
Using the 144 MHz Low-Frequency Array (LOFAR) telescope, We undelook a search for Miscellaneous Radio Galaxies (MRGs) whose morphological structures are different from known structures. Reseaons of study of these type sources due to their …
View article: MRG: The Miscellaneous Radio Galaxies from the FIRST Survey
MRG: The Miscellaneous Radio Galaxies from the FIRST Survey Open
Miscellaneous Radio Galaxies (MRGs) are very rare kind of radio galaxies that exhibit unusual and different jet alignment and orientation from a typical radio galaxy. The peculiar and unique morphology of this type of radio source makes th…