activity
20222026
most citedGlobULeS-IV. UVIT/AstroSat detection of extremely low mass white dwarf companions to blue straggler stars in NGC 362

18 citations · 27 across the 11 of their papers we have counts for

collaborators

11 papers

astro-ph.SR2026

Multiwavelength Study of Blue Straggler Stars in Tombaugh 2: Evidence for Binary Mass Transfer and Constraints on Cluster Dynamical State

D. Bisht, Ing-Guey Jiang, K. Belwal +7

We present a focused multiwavelength study of blue straggler stars (BSSs) in the intermediate-age open cluster Tombaugh 2, located in the outer Galactic disk, to constrain the domi…

astro-ph.GA2025

Dynamical and Photometric Analysis of NGC 146 and King 14: Evidence for a Co-Moving, Unbound Cluster Pair

D. Bisht, Ing-Guey Jiang, W. H. Elsanhoury +9

To understand the nature of the NGC 146-King 14 cluster pair, we conducted a detailed photometric, astrometric, and dynamical study using multiwavelength data from Gaia DR3, Pan-ST…

astro-ph.GA2025

Unveiling Dynamics and Variability in Open Clusters: Insights from a Comprehensive Analysis of Six Galactic Clusters

Kuldeep Belwal, D. Bisht, Ing-Guey Jiang +6

We present a kinematic and dynamical analysis of six Galactic open clusters NGC~2204, NGC~2660, NGC~2262, Czernik~32, Pismis~18, and NGC~2437, using \textit{Gaia}~DR3. We used Baye…

astro-ph.SR2025

Detection of young massive white dwarfs in core-collapsed globular cluster NGC 362

R. K. S. Yadav, Arvind K. Dattatrey, Annapurni Subramaniam +2

Core-collapsed globular clusters are ideal targets to explore the presence of stellar collision products. Here, we have studied seventeen FUV bright white dwarf members in the glob…

astro-ph.SR2025

Spectroscopic Study of Blue Straggler Stars in the Globular Cluster NGC 3201

Gourav Kumawat, Arvind K. Dattatrey, R. K. S Yadav

We conducted a spectroscopic study of 39 blue straggler stars in the globular cluster NGC 3201. The spectra of these stars were collected from the literature. We determined the rad…

astro-ph.SR2025

Investigating open cluster King 6: Detection of three new variables

Vaibhav Kumar Pandey, Arvind K Dattatrey, Apara Tripathi +2

This study presents photometric analysis of the intermediate-age open cluster King 6, utilizing photometric data in UBV(RI) passband and data from the 2MASS mission. The Gaia D…

astro-ph.GA2024★ 1 cited

Exploring NGC 2345: A Comprehensive Study of a Young Open Cluster through Photometric and Kinematic Analysis

Kuldeep Belwal, D. Bisht, Mohit Singh Bisht +5

We conducted a photometric and kinematic analysis of the young open cluster NGC 2345 using CCD \emph{UBV} data from 2-m Himalayan Chandra Telescope (HCT), \emph{Gaia} Data Release…

astro-ph.SR2023

UOCS XIII. Study of the FUV bright stars in the open cluster NGC 2420 using ASTROSAT

R. K. S. Yadav, Arvind K. Dattatrey, Geeta Rangwal +3

We present the study of four FUV stars in the field of open cluster NGC 2420 using the Ultra Violet Imaging Telescope (UVIT) mounted on AstroSat. The three stars 525, 527, and 560…

astro-ph.SR2023

UVIT/AstroSat Investigation of a low luminous Blue Straggler Star in NGC 362: Detection of extremely low mass white dwarf as companion

Arvind K. Dattatrey, R. K. S. Yadav, Annapurni Subramaniam +1

In the present study, we identified an extremely low-mass white dwarf as a companion to a low luminous blue straggler star within the Galactic globular cluster NGC 362. To conduct…

astro-ph.SR2023★ 8 cited

GlobULeS-V. UVIT/AstroSat studies of stellar populations in NGC 362: Detection of Blue Lurkers in a Globular Cluster

Arvind K. Dattatrey, R. K. S. Yadav, Gourav Kumawat +4

We report the discovery of four blue lurkers with low and extremely low-mass white dwarf (ELM WDs) companions in the Galactic globular cluster NGC 362 using AstroSat Ultra Violet I…

astro-ph.SR2022★ 18 cited

GlobULeS-IV. UVIT/AstroSat detection of extremely low mass white dwarf companions to blue straggler stars in NGC 362

Arvind K. Dattatrey, R. K. S. Yadav, Sharmila Rani +4

We report the discovery of extremely low-mass white dwarfs (ELM WDs) as a companion of blue straggler stars (BSSs) in the Galactic globular cluster NGC 362 using images from AstroS…