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List of works by Nirupam Roy

A multiwavelength investigation of the temperature of the cold neutral medium

scientific article

Accurate measurement of the HI column density from HI 21cm absorption-emission spectroscopy

scientific article published in January 2013

An H I column density threshold for cold gas formation in the Galaxy ⬇️

An H I shell-like structure associated with nova V458 Vulpeculae?

scientific article published in January 2012

Binary orbits as the driver of γ-ray emission and mass ejection in classical novae. ⬇️

scientific article

C II radiative cooling of the galatic diffuse interstellar medium: insight into the star formation in Damped Ly{alpha} systems ⬇️

scientific article published in January 2017

Characterization of unresolved and unclassified sources detected in radio continuum surveys of the Galactic plane

scientific article published on 3 January 2020

Characterizing EoR foregrounds: a study of the Lockman Hole region at 325 MHz

scientific article published on 13 May 2020

Confirmation of two Galactic supernova remnant candidates discovered by THOR ⬇️

Constraining the MOdified newtonian dynamics from spherically symmetrical hydrodynamic accretion

scholarly article

Critical properties of spherically symmetric accretion in a fractal medium

scientific article published in January 2007

Detailed study of ELAIS N1 field with the uGMRT – II. Source properties and spectral variation of foreground power spectrum from 300–500 MHz observations

scientific article published on 4 October 2019

Detailed study of the ELAIS N1 field with the uGMRT - I. Characterizing the 325 MHz foreground for redshifted 21 cm observations

scientific article published in January 2019

Detection of the Galactic warm neutral medium in H I 21-cm absorption

scientific article published in January 2018

Discovery of Two Einstein Crosses from Massive Post-blue Nugget Galaxies at z > 1 in KiDS

scientific article published on 3 December 2020

Dramatic brightening of Nova Mon 2012 at high radio frequencies

scientific article published in January 2012

EVLA Observations of T Pyx Reveal Radio Brightening

scientific article published in January 2011

EVLA monitoring of V407 Cyg

scientific article

EVLA radio upper limits for nova V5588 Sgr

scientific article published in January 2011

Early Type Galaxies and Structural Parameters from ESO Public Survey KiDS ⬇️

Effect of dark matter halo substructures on galaxy rotation curves ⬇️

scholarly article

Estimating the kinetic temperature from H i 21-cm absorption studies: correction for turbulence broadening

article

Evolution of galaxy size–stellar mass relation from the Kilo-Degree Survey

scientific article

Expanded very large array nova project observations of the classical nova V1723 Aquilae ⬇️

scientific article published in January 2011

Feedback in W49A diagnosed with radio recombination lines and models

scientific article

First Multi-redshift Limits on Post–Epoch of Reionization 21 cm Signal from z = 1.96–3.58 Using uGMRT

scientific article published on 14 January 2021

First detection of T Pyx in the radio

scientific article published in January 2011

First radio detections of nova V5588 Sgr

scientific article published in January 2011

Fractal features in accretion discs

scientific article published in January 2009

Galactic supernova remnant candidates discovered by THOR

scientific article published in Astronomy and Astrophysics

Galaxy Evolution Within the Kilo-Degree Survey ⬇️

H I 21 cm opacity fluctuations power spectra towards Cassiopeia A

scientific article

H i aperture synthesis and optical observations of the pair of galaxies NGC 6907 and 6908

scholarly article

High-velocity H I jet-like feature towards the SNR candidate G351.7-1.2

scientific article published in January 2019

Histogram of oriented gradients: a technique for the study of molecular cloud formation

scholarly article

Imaging of the CCS 22.3 GHz emission in the Taurus molecular cloud complex ⬇️

scientific article published in January 2011

Insights into the evolution of symbiotic recurrent novae from radio synchrotron emission: V745 Scorpii and RS Ophiuchi ⬇️

scientific article published in January 2016

Levels of the four lowest two-particle configurations in 210Po studied by in-beam gamma -ray and conversion-electron spectroscopy with the 209Bi

scientific article published on 01 July 1988

Limits on non-thermal radio emission from Nova Cephei 2013

scientific article published in January 2013

Low frequency monitoring of Sgr A* with the GMRT

scholarly article

Low radio frequency observation of Nova Delphini 2013

scientific article published in January 2013

Low radio frequency observations of T Pyx

scientific article published in January 2012

Magnetohydrodynamic turbulence in supernova remnants

scientific article published in January 2009

New High-quality Strong Lens Candidates with Deep Learning in the Kilo-Degree Survey

scientific article published on 10 August 2020

Nova Mon 2012 resolved as a double radio source

scientific article published in January 2012

Nuclear structure of 200Pt from in-beam conversion-electron and gamma -ray spectroscopy

scientific article published on 01 May 1988

OH absorption in the first quadrant of the Milky Way as seen by THOR

scientific article published in Astronomy and Astrophysics

Occultation Observation to Probe the Turbulence Scale Size in the Plasma Tail of Comet Schwassmann-Wachmann 3-B ⬇️

scientific article published in the Astrophysical Journal

On estimating the atomic hydrogen column density from the H I 21 cm emission spectra

scientific article published in January 2018

On spherically symmetrical accretion in fractal media

scientific article published in January 2007

Radio detections of KT Eri

scholarly article

Radio monitoring of Nova Sco 2012

scientific article published in January 2012

Rapid rise in the radio synchrotron emission from the recurrent nova system V745 Sco

scientific article

Retraction Note: Observing the result of external magnetic field with nonextensivity on DA waves for two temperature electrons in a dusty plasmas

scientific article published on 15 March 2014

Search for H I emission from superdisk candidates associated with radio galaxies

scientific article published in January 2019

Stringent constraints on the HI spin temperature in two z > 3 damped Lyman {alpha} systems from redshifted 21cm absorption studies

scientific article published in January 2013

Strong Lens Search in the ESO Public Survey KiDS ⬇️

THOR: The HI, OH, Recombination line survey of the Milky Way. The pilot study: HI observations of the giant molecular cloud W43 ⬇️

scientific article published in Astronomy and Astrophysics

Tapering the sky response for angular power spectrum estimation from low-frequency radio-interferometric data ⬇️

scientific article

The 2011 outburst of recurrent nova T Pyx: X-ray observations expose the white dwarf mass and ejection dynamics ⬇️

scientific article published in the Astrophysical Journal

The 2011 outburst of recurrent nova T Pyx: radio observations reveal the ejecta mass and hint at complex mass loss ⬇️

scientific article published in January 2014

The HI/OH/Recombination line survey of the inner Milky Way (THOR) ⬇️

scientific article published in Astronomy and Astrophysics

The angular power spectrum measurement of the Galactic synchrotron emission in two fields of the TGSS survey

article published in 2017

The curious case of J113924.74+164144.0: a possible new group of galaxies at z = 0.069

scientific article published in January 2010

The first sample of spectroscopically confirmed ultra-compact massive galaxies in the Kilo Degree Survey

scientific article

The last 6 Gyr of dark matter assembly in massive galaxies from the Kilo Degree Survey

scientific article

The radio light curve of the gamma-ray nova in V407 Cyg: thermal emission from the ionized symbiotic envelope, devoured from within by the nova blast ⬇️

scientific article published in January 2012

The structure function of Galactic H I opacity fluctuations on au scales based on MERLIN, VLA and VLBA data ⬇️

scientific article published in January 2014

The study of the angular and spatial distribution of radio-selected AGNs and star-forming galaxies in the ELAIS N1 field

scientific article published on 9 April 2020

The temperature of the diffuse HI in the Milky way - I. High resolution HI-21cm absorption studies

scientific article published in January 2013

The temperature of the diffuse HI in the Milky way - II. Gaussian decomposition of the HI-21cm absorption spectra

scientific article published in January 2013

The visibility-based tapered gridded estimator (TGE) for the redshifted 21-cm power spectrum

scientific article published in January 2016

Tiny scale opacity fluctuations from VLBA, MERLIN, and VLA observations of H I absorption toward 3C 138 ⬇️

scientific article published in January 2012

Towards a census of supercompact massive galaxies in the Kilo Degree Survey ⬇️

scholarly article

Turbulence measurements from HI absorption spectra

scientific article published in January 2008

Turbulent power spectrum in warm and cold neutral medium using the Galactic H i 21 cm emission

article

Validating a novel angular power spectrum estimator using simulated low frequency radio-interferometric data

scientific article published in January 2017

Variable Radio Emission from Nova V5588 Sgr

scientific article published in January 2011

X-ray and UV observations of Nova Mon 2012

scientific article published in January 2012

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