activity
20202025
most citedTANSPEC: TIFR-ARIES Near Infrared Spectrometer

19 citations · 60 across the 16 of their papers we have counts for

collaborators

16 papers

astro-ph.SR2025

Unveiling the Dual Nature of V1180 Cas: UXor-like Dips and EXor-like Bursts Across a Decade

Tarak Chand, Saurabh Sharma, Koshvendra Singh +15

We present a detailed analysis of the long-term photometric and spectroscopic evolution of V1180 Cas over a decade, aiming to identify the dominant mechanisms behind its variabilit…

astro-ph.GA2025

Unraveling the Feedback-Regulated Star Formation Activities around the Expanding Galactic MIR Bubble [HKS2019] E71

Aayushi Verma, Saurabh Sharma, Lokesh K. Dewangan +8

We explore the physical environment of the Galactic mid-infrared (MIR) bubble [HKS2019] E71 (hereafter E71) through a multi-wavelength approach. E71 is located at the edge of a fil…

astro-ph.SR2025★ 2 cited

Long-term investigation of an open cluster Berkeley 65

Tarak Chand, Saurabh Sharma, Koshvendra Singh +7

We present a decade-long investigation of a poorly studied cluster, Berkeley 65 (Be 65), using deep optical data from the telescopes of ARIES, Nainital Observatory. We estimate its…

astro-ph.GA2024

Investigating the Star-forming Sites in the Outer Galactic Arm

Aayushi Verma, Saurabh Sharma, Lokesh K. Dewangan +7

We aim to investigate the global star formation scenario in star-forming sites AFGL 5157, [FSR2007] 0807 (hereafter FSR0807), [HKS2019] E70 (hereafter E70), [KPS2012] MWSC 0620 (he…

astro-ph.GA2023

Cluster Formation in a Filamentary Cloud: The Case of the Stellar Cluster NGC 2316

Saurabh Sharma, Aayushi Verma, Kshitiz Mallick +7

We present a multi-wavelength analysis of the star cluster NGC 2316 and its surroundings. We estimated the physical parameters of the NGC 2316 cluster, including its shape (elongat…

astro-ph.GA2023

Dissecting the morphology of star forming complex S193

Rakesh Pandey, Saurabh Sharma, Lokesh Dewangan +5

We have studied a star-forming complex S193 using near-infrared (NIR) observations and other archival data covering optical to radio wavelengths. We identified stellar clusters in…

astro-ph.GA2023

Exploring Stellar Cluster and Feedback-driven Star Formation in Galactic Mid-infrared Bubble [HKS2019] E70

Aayushi Verma, Saurabh Sharma, Kshitiz K. Mallick +8

We present a comprehensive analysis of the Galactic mid-infrared (MIR) bubble [HKS2019] E70 (E70) by adopting a multi-wavelength approach to understand the physical environment and…

astro-ph.GA2023

Investigating star formation activity in the Sh 2-61 H II region

Rakesh Pandey, Saurabh Sharma, Lokesh Dewangan +4

Using the multiwavelength data sets, we studied the star formation activity in H II region Sh 2-61 (hereafter S61). We identified a clustering in the region and estimated the membe…

astro-ph.SR2023★ 3 cited

Structural Analysis of Open Cluster Bochum 2

Harmeen Kaur, Saurabh Sharma, Alok Durgapal +5

We present the results from our deep optical photometric observations of Bochum 2 (Boc2) star cluster obtained using the m Devasthal Fast Optical Telescope along with archival…

astro-ph.SR2023★ 5 cited

Spectroscopy of 9 eruptive young variables using TANSPEC

Arpan Ghosh, Saurabh Sharma, Joe P. Ninan +8

In recent times, 3.6m Devasthal Optical Telescope (DOT) has installed an optical to near infra-red spectrograph, TANSPEC, which provides spectral coverage from 0.55-2.5 microns. Us…

astro-ph.SR2023★ 4 cited

Teutsch 76: a Deep Near-Infrared Study

Saurabh Sharma, Lokesh Dewangan, Neelam Panwar +9

We have performed a detailed analysis on the Teutsch 76 (T76) open cluster using the deep near-infrared (NIR) observations taken with the TANSPEC instrument mounted on the 3.6m Dev…

astro-ph.GA2023★ 3 cited

Kronberger 55: A Candidate for End-dominated Collapse Scenario

Aayushi Verma, Saurabh Sharma, Lokesh Dewangan +5

Using optical photometric observations from 1.3m Devasthal Fast Optical Telescope and deep near-infrared (NIR) photometric observations from TANSPEC mounted on 3.6m Devasthal Optic…

astro-ph.IM2022★ 19 cited

TANSPEC: TIFR-ARIES Near Infrared Spectrometer

Saurabh Sharma, Devendra K. Ojha, Arpan Ghosh +23

We present the design and performance of the TANSPEC, a medium-resolution m cryogenic spectrometer and imager, now in operation at the 3.6-m Devasthal Optical Telescope…

astro-ph.SR2020★ 19 cited

Unveiling the physical conditions in NGC 6910

Harmeen Kaur, Saurabh Sharma, Lokesh K. Dewangan +3

Deep and wide-field optical photometric observations along with multiwavelength archival datasets have been employed to study the physical properties of the cluster NGC 6910. The s…

astro-ph.SR2020★ 3 cited

A Search for variable stars in the four open star clusters

Alok Durgapal, Geeta Rangwal, D. Bisht +3

We present a CCD photometric survey for the search of variable stars in four open clusters namely Berkeley 69, King 5, King 7, and Berkeley 20. The time series observations were ca…

astro-ph.GA2020★ 2 cited

Study of open cluster King 13 using CCD VI, 2MASS and Gaia DR2 Astrometry

Alok Durgapal, D Bisht, Geeta Rangwal +2

In this paper, we present astrophysical parameters of the open cluster King 13 based on the VI CCD and 2MASS JHKs photometric data. This is a poorly studied cluster, for which new…