Prof. Dr. Nirupam Roy

Profile

Academic positionAssociate Professor, Senior Lecturer, Reader
Research fieldsAstronomy,Astrophysics
KeywordsZeeman splitting, molecular cloud, ISM magnetic field, turbulence, VLBI

Current contact address

CountryIndia
CityBengaluru
InstitutionIndian Institute of Science (IISC)
InstituteDepartment of Physics
Homepagehttp://www.physics.iisc.ernet.in/~nroy

Host during sponsorship

Prof. Dr. Karl M. MentenMax-Planck-Institut für Radioastronomie, Bonn
Start of initial sponsorship01/03/2013

Programme(s)

2012Humboldt Research Fellowship Programme for Postdocs

Publications (partial selection)

2014L. Chomiuk, J. D. Linford, J. Yang, T. J. O'Brien, Z. Paragi, A. J. Mioduszewski, R. J. Beswick, C. C. Cheung, K. Mukai, T. Nelson, V. A. R. M. Ribeiro, M. P. Rupen, J. L. Sokoloski, J. Weston, Y. Zheng, M. F. Bode, S. Eyres, Nirupam Roy, G. B. Taylor: Binary orbits as the driver of γ-ray emission and mass ejection in classical novae. In: Nature, 2014, 339-342
2014T. Nelson, L. Chomiuk, Nirupam Roy, J. L. Sokoloski, K. Mukai, M. I. Krauss, A. J. Mioduszewski, M. P. Rupen, J. Weston: The 2011 Outburst of Recurrent Nova T Pyx: Radio Observations Reveal the Ejecta Mass and Hint at Complex Mass Loss. In: The Astrophysical Journal, 2014, 78-78
2014L. Chomiuk, T. Nelson, K. Mukai, J. L. Sokoloski, M. P. Rupen, K. L. Page, J. P. Osborne, E. Kuulkers, A. J. Mioduszewski, Nirupam Roy, J. Weston, M. I. Krauss: The 2011 Outburst of Recurrent Nova T Pyx: X-ray Observations Expose the White Dwarf Mass and Ejection Dynamics. In: The Astrophysical Journal, 2014, 130-130
2014P. Dutta, J. N. Chengalur, Nirupam Roy, W. M. Goss, M. Arjunwadkar, A. H. Minter, C. L. Brogan, T. J. W. Lazio: The structure function of Galactic H I opacity fluctuations on au scales based on MERLIN, VLA and VLBA data. In: Monthly Notices of the Royal Astronomical Society, 2014, 647-655
2013Jayaram N. Chengalur, Nissim Kanekar, Nirupam Roy: Accurate measurement of the H I column density from H I 21 cm absorption-emission spectroscopy. In: Monthly Notices of the Royal Astronomical Society, 2013, 3074-3079
2013Nirupam Roy, Smita Mathur, Vishal Gajjar, Narendra Nath Patra: Stringent constraints on the H I spin temperature in two z > 3 damped Lyman α systems from redshifted 21 cm absorption studies. In: Monthly Notices of the Royal Astronomical Society: Letters, 2013, L94-L98
2013Nirupam Roy, Nissim Kanekar, Robert Braun, Jayaram N. Chengalur: The temperature of the diffuse H I in the Milky Way - I. High resolution H I-21 cm absorption studies. In: Monthly Notices of the Royal Astronomical Society, 2013, 2352-2365
2013Nirupam Roy, Nissim Kanekar, Jayaram N. Chengalur: The temperature of the diffuse H I in the Milky Way - II. Gaussian decomposition of the H I-21 cm absorption spectra. In: Monthly Notices of the Royal Astronomical Society, 2013, 2366-2385