activity
20012026
most citedHD 12098 - A new norhtern hemisphere roAp star

16 citations · 40 across the 6 of their papers we have counts for

collaborators

6 papers

astro-ph.GA2026

Discovery of an Unbound Flyby Companion of UBC 63: In the Immediate Aftermath of a Close Encounter

Samrat Biswas, Biman J Medhi, Sergio Messina +8

We re-investigate the open cluster UBC 63 using the Gaia DR3 data and show that, rather than being a single cluster as previously classified, it is a compelling candidate for a dou…

astro-ph.SR2024★ 10 cited

UOCS. XIV. Uncovering extremely low mass white dwarfs and blue lurkers in NGC 752

Vikrant V. Jadhav, Annapurni Subramaniam, Ram Sagar

Evolutionary pathways of binary systems are vastly different from single stellar evolution, and thus, there is a need to quantify their frequency and diversity. Open clusters are t…

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.IM2023★ 1 cited

Indo-Belgian co-operation in Astrophysics: From inception to future prospects

Ram Sagar

In this manuscript, an overview of the accomplishments of the Indo-Belgian co-operation is presented in the current era of multi-wavelength global astronomy. About two decades ago,…

astro-ph2004★ 13 cited

UBVRI CCD photometric study of the open clusters Basel 4 and NGC 7067

R. K. S. Yadav, Ram Sagar

In this paper we present UBVRI CCD photometry in the region of two young open star clusters Basel 4 and NGC 7067 for the first time. Our sample consists of ~ 4000 stars down to V ~…

astro-ph2001★ 16 cited

HD 12098 - A new norhtern hemisphere roAp star

V. Girish, S. Seetha, P. Martinez +6

We present the analysis of 65 hours of high speed photometric observations of HD 12098 taken from State Observatory, Naini Tal and Gurushikhar Observatory, Mt.Abu on sixteen nights…