Nanda Kumar is an FCT Principal Researcher at IA. After finishing his undergraduate and masters degrees at the University of Mysore, India in 1993, he conducted his doctoral work in observational astronomy at the Physical Research Laboratory, Ahmedabad, India. He was awarded his PhD by the University of Gujarat, India in 2000. He is a member of IA since Feb 2002. He was a H2020 Intra-European Marie-Curie Research Fellow at the Centre for Astrophysics, University of Hertfordshire, UK, from 2015-2017.
Kumar's research interests are in the area of interstellar medium and star formation. He has worked on molecular outflows and jets from low mass stars, structure of embedded clusters and relation to star formation conditions. He has focused on understanding the physics of high mass star formation for more than a decade, examining high-mass protostellar objects with Spitzer Space Telescope. In recent years, his work focus on a) zooming in on the young high-mass stars and their environment using VLT and ALMA, and b) infrared variability of high-mass young stars. His current research interests focus on studying hub-filament systems as birth places of massive stars and examining the high-mass prestellar cores.
He expertise is in the near-infrared and millimeter astronomy. He has extensive experience in using 4-8m class telescopes such as UKIRT, VLT, CAHA 3.5m, and Victor Blanco 4m. He has also used the IRAM PdB, 30m, VLA, and ALMA. Kumar has large experience working with wide-field cameras, and survey data, he is a Co-I of the VISTA VHS, VVV, VVVX surveys. He has supervised more than a dozen students and postdocs, taught ISM and star formation for masters and doctoral programs at the University of Porto for several years. He is a member of the divisions G and H of the IAU.
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Lastest publications at IAM. S. N. Kumar, P. M. Palmeirim, D. Arzoumanian, S.-I. Inutsuka, 2020,
Unifying low- and high-mass star formation through density-amplified hubs of filaments. The highest mass stars (>100 M☉) form only in hubs,
Astronomy and Astrophysics, 642, 21
>> AbstractL. T. Maud, R. Cesaroni, M. S. N. Kumar, V. M. Rivilla, A. Ginsburg, P. D. Klaassen, D. Harsono, Á. Sánchez-Monge, A. Ahmadi, V. Allen, 2019,
Substructures in the Keplerian disc around the O-type (proto-)star G17.64+0.16,
Astronomy and Astrophysics, 627, 7
>> AbstractL. T. Maud, R. Cesaroni, M. S. N. Kumar, F. F. S. van der Tak, V. Allen, M. G Hoare, P. D. Klaassen, Á. Sánchez-Monge, P. Schilke, A. Ahmadi, 2018,
Chasing discs around O-type (proto)stars. ALMA evidence for an SiO disc and disc wind from G17.64+0.16,
Astronomy and Astrophysics, 620, 20
>> AbstractG. D. C. Teixeira, M. S. N. Kumar, L. C. Smith, P. W. Lucas, C. Morris, J. Borissova, M. J. P. F. G. Monteiro, A. Caratti o Garatti, C. Contreras Peña, D. Froebrich, J. F. Gameiro, 2018,
Photometric variability of massive young stellar objects,
Astronomy and Astrophysics, 619, 46
>> AbstractN. Medina, J. Borissova, A. Bayo, R. Kurtev, C. Navarro Molina, M. Kuhn, M. S. N. Kumar, P. W. Lucas, M. Catelan, D. Minniti, L. C. Smith, 2018,
An Automated Tool to Detect Variable Sources in the Vista Variables in the Vía Láctea Survey: The VVV Variables (V4) Catalog of Tiles d001 and d002,
The Astrophysical Journal, 864, 19
>> AbstractL. Moscadelli, V. M. Rivilla, R. Cesaroni, M. T. Beltrán, Á. Sánchez-Monge, P. Schilke, J. C. Mottram, A. Ahmadi, V. Allen, H. Beuther et al. (including: M. S. N. Kumar), 2018,
The feedback of an HC HII region on its parental molecular core
The case of core A1 in the star-forming region G24.78+0.08,
Astronomy and Astrophysics, 616, 22