11 citations · 57 across the 12 of their papers we have counts for
12 papers
Sutra : An integrated framework for identification and characterization of filaments in the interstellar medium
Shivam Kumaram, Ushasi Bhowmick, Vipin Kumar +3
Observations of the interstellar medium (ISM) at Far-infrared(FIR) and sub-millimetre (sub-mm) wavelengths reveal a complex filamentary structure of dust and gas, which plays a piv…
Discovery of variable polarization in H profile of symbiotic star Y Gem: A case for orbital-phase dependent variation of Raman-scattered Ly emission
Arijit Maiti, Mudit K. Srivastava, Vipin Kumar
The geometry and morphology of symbiotic stars are conducive to exhibit a variety of scattering phenomena. The prominent among them is the Raman scattering of O VI doublet 103…
Development of ProtoPol: a medium resolution echelle spectro-polarimeter for PRL telescopes, Mt Abu, India -- Part II : the data-reduction pipeline, on-sky characterization performance verification and first science results
Arijit Maiti, Mudit K. Srivastava, Vipin Kumar +5
We present the development of ProtoPol - a medium resolution echelle spectro-polarimeter for the PRL 1.2m and 2.5m telescopes at Mt Abu observatory, India. In this second and final…
Development of ProtoPol: a medium resolution echelle spectro-polarimeter for PRL telescopes, Mt Abu, India -- Part I : the design, development and laboratory characterization
Mudit K. Srivastava, Arijit Maiti, Vipin Kumar +4
ProtoPol is a medium-resolution echelle spectro-polarimeter developed for Physical Research Laboratory (PRL) 1.2m and 2.5m telescopes, Mt. Abu, India. Though initially conceived to…
Exploring the short-term variability of H and H emissions in a sample of M dwarfs
Vipin Kumar, A. S. Rajpurohit, Mudit K. Srivastava +2
The time scales of variability in active M dwarfs can be related to their various physical parameters. Thus, it is important to understand such variability to decipher the physics…
Exploring the short-term variability of Hα and H\b{eta} emissions in a sample of M Dwarfs
Vipin Kumar, A. S. Rajpurohit, Mudit K. Srivastava
Activities in M dwarfs show spectroscopic variability over various time scales ranging from a few seconds to several hours. The time scales of such variability can be related to in…
Optical and X-ray studies of Be/X-ray binary 1A 0535+262 during its 2020 giant outburst
Birendra Chhotaray, Gaurava K. Jaisawal, Neeraj Kumari +3
We report results obtained from the optical and X-ray studies of the Be/X-ray binary 1A 0535+262/HD 245770 during the 2020 October giant X-ray outburst, using the 1.2 m telescope a…
Investigating star-formation activity towards the southern HII region RCW 42
Vipin Kumar, S. Vig, V. S. Veena +4
The star-forming activity in the HII region RCW 42 is investigated using multiple wavebands, from near-infrared to radio wavelengths. Located at a distance of 5.8 kpc, this souther…
Optical and near-infrared spectroscopy of Nova V2891 Cygni: evidence for shock-induced dust formation
Vipin Kumar, Mudit K. Srivastava, Dipankar P. K. Banerjee +6
We present multi-epoch optical and near-infrared observations of the highly reddened, \pion{Fe}{ii} class slow nova V2891 Cygni. The observations span 15 months since its discovery…
Design and Development of Mt. Abu Faint Object Spectrograph and Camera -- Pathfinder (MFOSC-P) for PRL 1.2m Mt. Abu Telescope
Mudit K. Srivastava, Vipin Kumar, Vaibhav Dixit +4
Mt. Abu Faint Object Spectrograph and Camera - Pathfinder (MFOSC-P) is an imager-spectrograph developed for the Physical Research Laboratory (PRL) 1.2m telescope at Gurushikhar, Mt…
UV spectroscopy confirms SU Lyn to be a symbiotic star
Vipin Kumar, Mudit K. Srivastava, Dipankar P. K. Banerjee +1
SU Lyn, a star that ostensibly appears to be an unremarkable late M type giant, has recently been proposed to be a symbiotic star largely based on its hard X-ray properties. The st…
First Results from MFOSC-P : Low Resolution Optical Spectroscopy of a Sample of M dwarfs within 100 parsecs
A. S. Rajpurohit, Vipin Kumar, Mudit K. Srivastava +4
Mt. Abu Faint Object Spectrograph and Camera (MFOSC-P) is an in-house developed instrument for Physical Research Laboratory (PRL) 1.2m telescope at Mt. Abu India, commissioned in F…