Image

Dr. Lokesh Kumar Dewangan

Astronomy and Astrophysics Division
Physical Research Laboratory
Unit of Dept. of Space, Govt. of India
Navrangpura, Ahmedabad-380 009
E-mail: [email protected]
Telephone: +91-79-26314604

Research Interests

  • Massive Star Formation
  • Multi-scale and multi-wavelength study of Galactic star-forming regions
  • Role of filaments in the star formation processes
  • Polarization study of Galactic star-forming regions

Academic Qualifications

  • 2005-2011 Ph.D. (Physics) Physical Research Laboratory, Ahmedabad, India
  • 2002-2004 M.Sc. (Physics) Pt. R. S. S. University, Raipur, India
  • 1999-2002 B.Sc. (Physics, Chemistry, and Maths) Pt. R. S. S. University, Raipur, India

Professional Experience

  • Since October 2015, Academic Faculty, Physical Research Laboratory, Ahmedabad, India
  • 2014-2015, INAOE CONACYT Post Doctoral Fellow, INAOE, Tonatzintla, Mexico
  • 2012-2014, Portugal FCT Post Doctoral Fellow, CAUP, Porto, Portugal
  • 2011-2012, Post Doctoral Fellow, Tata Institute of Fundamental Research, Mumbai, India
  • 2005, Project Associate, Physical Research Laboratory, Ahmedabad, India

Awards

  • INAOE CONACYT Post Doctoral Fellow, INAOE, Tonatzintla, Mexico
  • Portugal FCT Post Doctoral Fellow, CAUP, Porto, Portugal
  • Post Doctoral Fellow, Tata Institute of Fundamental Research, Mumbai, India
  • Visiting Scientist, Marie-Curie people exchange program
  • Gold Medal for achieving First Position in B.Sc.

Publications (leading author(red); thesis papers(green))

    Y-2025

  1. Investigating Embedded Structures and Gas Kinematics in the IRDC Hosting Bubble N59-North, Maity, A. K., Dewangan, L. K., Jadhav, O. R., Sharma, Saurabh, Yadav, R. K., Fukui Y., Sano, H., Inoue, T., accepted for publication in The Astronomical Journal, Apr 2025, Astroph: arXiv:2504.06170(Link)
  2. Unveiling Physical Conditions and Star Formation Processes in the G47 Filamentary Cloud, Jadhav, O. R. , Dewangan, L. K., Ismail, A. Haj, Bhadari, N. K., Maity, A. K., Yadav, R. K., Salouci, M., Patricio, S., Sharma, Saurabh, accepted for publication in The Astrophysical Journal, Apr 2025, Astroph: arXiv:2504.04742(Link)
  3. JWST-ALMA Study of a Hub-Filament System in the Nascent Phase, Bhadari, N. K., Dewangan, L. K., Jadhav, O. R., Hoque Ariful, Pirogov, L. E., Goldsmith, Paul F., Maity, A. K., Sharma Saurabh, Ismail, A. Haj, Baug, T., Dec 2024, Accepted for publication in A&A Letters, astroph: arXiv:2501.00506(Link)
  4. Uncovering the hidden physical structures and protostellar activities in the Low-Metallicity S284-RE region: results from ALMA and JWST, Jadhav, O. R. , Dewangan, L. K., Verma, Aayushi, Bhadari, N. K., Maity, A. K., Sharma, Saurabh, Mamta, Dec 2025, The Astrophysical Journal, 980:133 (14pp), DOI:10.3847/1538-4357/ada388(Link)
  5. Mon R2: A Hub-Filament System with an Infrared Bubble at the Hub Center, Dewangan, L. K., Bhadari, N. K., Maity, A. K., Jadhav, O. R., Sharma, Saurabh, Ismail, A. Haj, 2025,The Astronomical Journal, 169, 80, DOI:10.3847/1538-3881/ad9b22(Link)
  6. G321.93-0.01: A Rare Site of Multiple Hub-Filament Systems with Evidence of Collision and Merging of Filaments, Maity, A. K., Dewangan, L. K., Bhadari, N. K., Fukui, Y., Ismail, A. Haj, Jadhav, O. R., Sharma, Saurabh, Sano, H., 2025,The Astronomical Journal, Volume 169, Issue 2, id.56, 20 pp., DOI:10.3847/1538-3881/ad98ff(Link)
  7. The ALMA-ATOMS survey: Vibrationally excited HC3 N lines in hot cores, Chen, Li, Qin, Sheng-Li, Liu, Tie, et al. (including Dewangan, L. K.), Dec 2024, Accepted for publication in Monthly Notices of the Royal Astronomical Society, astroph:arXiv:2412.12546(Link)
  8. Research on the interstellar medium and star formation in the Galaxy: An Indian perspective, Mookerjea, B., Maheswar, G., Acharyya, K., et al. (including Dewangan, L. K.), 2025, Journal of Astrophysics and Astronomy (JApA), 46, 1, DOI: 10.1007/s12036-024-10022-y(Link)

    9. Y-2024

  9. Cloud-Cloud Collision: Formation of Hub-Filament Systems and Associated Gas Kinematics; Mass-collecting cone: A new signature of Cloud-Cloud Collision, Maity, A. K., Inoue, T., Fukui Y., Dewangan, L. K., Sano, H., Yamada, R. I., Tachihara, K., Bhadari, N. K., Jadhav, O. R., 2024, The Astrophysical Journal, Volume 974, Issue 2, id.229, 24 pp., DOI: 10.3847/1538-4357/ad7098 (Link)
  10. Investigating the Star-forming Sites in the Outer Galactic Arm, Verma, Aayushi, Sharma, Saurabh, Dewangan, L. K., Devendra K. Ojha, Kshitiz Mallick, Ram Kesh Yadav, Harmeen Kaur, Tarak Chand, Mamta Agarwal, Archana Gupta, 2024, The Astronomical Journal, Volume 168, Issue 3, id.98, 15 pp., DOI: 10.3847/1538-3881/ad5a8b(Link)
  11. ATOMS: ALMA three-millimeter observations of massive star-forming regions - XVIII. On the origin and evolution of dense gas fragments in molecular shells of compact H II regions, Zhang, Siju, Liu, Tie, Wang, Ke et al. (including Dewangan, L. K.), 2024, Monthly Notices of the Royal Astronomical Society, 535, 1364; DOI:10.1093/mnras/stae2415(Link)
    12. The ALMA-QUARKS Survey: Fibers' Role in Star Formation Unveiled in an Intermediate-mass Protocluster Region of the Vela D Cloud, Yang, D., Liu, HongLi, Liu, Tie et al. (including Dewangan, L. K.), 2024, The Astrophysical Journal, 976, 241; DOI:10.3847/1538-4357/ad8919(Link)
  12. ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions - XVII. High-mass star-formation through a large-scale collapse in IRAS 15394-5358, Das, S.~R., Merello, M., Bronfman, L., Liu, Tie et al. (including Dewangan, L. K.), 2024, Monthly Notices of the Royal Astronomical Society, 534, 3832, DOI: 10.1093/mnras/stae2275(Link)
  13. Direct Observational Evidence of Multi-epoch Massive Star Formation in G24.47+0.49, Saha, Anindya, Tej, Anandmayee, Liu, Hong-Li et al. (including Dewangan, L. K.), The Astrophysical Journal Letters, Volume 970, Issue 2, id.L40, 15 pp., DOI:10.3847/2041-8213/ad6144(Link)
  14. Turbulence and magnetic fields in star formation, Soam, Archana; Eswaraiah, Chakali; Seta, Amit; Dewangan, L. K.; Maheswar, G., 2024, Journal of Astrophysics and Astronomy, Volume 45, Issue 1, article id.17, DOI:10.1007/s12036-024-10005-z(Link)
  15. Cluster Formation in a Filamentary Cloud: The Case of the Stellar Cluster NGC 2316, Sharma, Saurabh, Verma, Aayushi, Mallick, K., Dewangan, L. K., et al., 2024, The Astronomical Journal, 167:106 (18pp), DOI: 10.3847/1538-3881/ad19cd(Link)
  16. Deciphering the Hidden Structures of HH 216 and Pillar IV in M16: Results from JWST and HST", Dewangan, L. K., Jadhav, O. R., Maity, A. K., Bhadari, N. K., Sharma, Saurabh, Padovani, M., Baug, T., Mayya, Y. D., and Pandey, Rakesh, 2024, Monthly Notices of the Royal Astronomical Society, Volume 528, Issue 3, pp.3909-3926,DOI:10.1093/mnras/stae150(Link)
  17. The ALMA-QUARKS Survey. I. Survey Description and Data Reduction, Liu, Xunchuan, Liu, Tie, Zhu, Lei et al. (including Dewangan, L. K.), Research in Astronomy and Astrophysics, Volume 24, Issue 2, id.025009, 21 pp., DOI:10.1088/1674-4527/ad0d5c(Link)
  18. Dissecting the morphology of star forming complex S193, Pandey, Rakesh, Sharma, Saurabh, Dewangan, L. K., Ojha, D. K., Panwar, N. et al., 2024, Monthly Notices of the Royal Astronomical Society (MNRAS), Volume 527, Issue 4, pp.9626-9642, DOI:10.1093/mnras/stad2944(Link)
  19. The ALMA-QUARKS Survey: Detection of Two Extremely Dense Substructures in a Massive Prestellar Core, Mai, Xiaofeng, Liu, Tie, Liu, Xunchuan et al. (including Dewangan, L. K.), The Astrophysical Journal Letters, Volume 961, Issue 2, id.L35, 10 pp., DOI:10.3847/2041-8213/ad19c3(Link)
  20. Galactic `Snake' IRDC G11.11-0.12: a site of multiple hub-filament systems and colliding filamentary clouds, Dewangan, L. K., Bhadari, N. K., Maity, A. K., Eswaraiah, C., Sharma, Saurabh, Jadhav, O. R., 2024, Monthly Notices of the Royal Astronomical Society, Volume 527, Issue 3, pp.5895-5915; DOI:10.1093/mnras/stad3384(Link)
  21. The ALMA Survey of Star Formation and Evolution in Massive Protoclusters with Blue Profiles (ASSEMBLE): Core Growth, Cluster Contraction, and Primordial Mass Segregation, Xu, Fengwei, Wang Ke, Liu, Tie et al. (including Dewangan, L. K.), The Astrophysical Journal Supplement Series, Volume 270, Issue 1, id.9, 31 pp., DOI:10.3847/1538-4365/acfee5(Link)

    22. Y-2023

  22. Fragmentation and dynamics of dense gas structures in the proximity of massive young stellar object W42-MME, Bhadari, N. K., Dewangan, L. K., Pirogov, L. E., Pazukhin, A. G., Zinchenko, I. I., Maity, A. K., Sharma, Saurabh, 2023, Monthly Notices of the Royal Astronomical Society (MNRAS), 526, 4402, DOI: 10.1093/mnras/stad2981(Link)
  23. Investigating star formation activities in the Sh 2-61 H II region, Pandey, Rakesh, Sharma, Saurabh, Dewangan, L. K., et al., 2023, Journal of Astrophysics and Astronomy (JApA), 44, 76, DOI:10.1007/s12036-023-09966-4(Link)
  24. Structural analysis of open cluster Bochum 2, Kaur, Harmmen, Sharma, Saurabh, Durgapal, A., Dewangan, L. K., et al., 2023, Journal of Astrophysics and Astronomy (JApA), 44, 66, DOI: 10.1007/s12036-023-09953-9(Link)
  25. New insights in the bubble wall of NGC 3324: intertwined sub-structures and a bipolar morphology uncovered by JWST, Dewangan, L. K., Maity, A. K., Mayya, Y. D., Bhadari, N. K.,Bhattacharyya, Suman, Sharma, Saurabh, Banerjee, Gourav, The Astrophysical Journal (ApJ), Volume 958, Issue 1, id.51, 12 pp., DOI:10.3847/1538-4357/ad004b(Link)
  26. Observational Evidence of Merging of Filaments and Hub Formation in G083.097+03.270, Panja, Alik, Dewangan, L. K., Baug, Tapas, Chen, Wen Ping, Sun, Yan, Sinha, Tirthendu, Mondal, Soumen, The Astrophysical Journal (ApJ), Volume 958, Issue 1, id.17, 10 pp., DOI:10.3847/1538-4357/ad0048(Link)
  27. AFGL 5180 and AFGL 6366S: sites of hub-filament systems at the opposite edges of a filamentary cloud, Maity, A. K., Dewangan, L. K., Bhadari, N. K., Ojha, D. K., Chen, Z., and Pandey Rakesh, 2023, Monthly Notices of the Royal Astronomical Society (MNRAS), 523, 5388, DOI: 10.1093/mnras/stad1644(Link)
  28. Exploring Stellar Cluster and Feedback-driven Star Formation in Galactic Mid-infrared Bubble [HKS2019] E70, Verma, Aayushi, Sharma, Saurabh, Mallick, K., Dewangan, L. K., Ojha, D. K., Yadav, R. K., Pandey Rakesh, Ghosh, A., Kaur, H., Panwar, N. and Chand, T., 2023, The Astrophysical Journal (ApJ), 953, 145, DOI: 10.3847/1538-4357/acdeef(Link)
  29. Direct observational evidence of the multi-scale, dynamical mass accretion toward a high-mass star forming hub-filament system, Dongting Yang, Liu, Hong-Li et al. (including Dewangan, L. K.), 2023, The Astrophysical Journal, Volume 953, Issue 1, id.40, 9 pp., DOI:10.3847/1538-4357/acdf42(Link)
  30. Evidence of high-mass star formation through multi-scale mass accretion in hub-filament-system clouds, Liu, Hong-Li et al. (including Dewangan, L. K.), 2023, MNRAS, 522, 3719, DOI:10.1093/mnras/stad047(Link)
  31. Kronberger 55: A candidate for end-dominated collapse scenario, Verma, Aayushi, Sharma, Saurabh, Dewangan, L. K., et al., 2023, Journal of Astrophysics and Astronomy (JApA), 44, 52, DOI: 10.1007/s12036-023-09932-0(Link)
  32. Teutsch 76: a Deep Near-Infrared Study, Sharma, Saurabh, Dewangan, L. K., Panwar, Neelam ; Kaur, Harmeen ; Ojha, Devendra K. ; Yadav, Ramkesh ; Verma, Aayushi ; Baug, Tapas ; Sinha, Tirthendu ; Pandey, Rakesh ; Ghosh, Arpan ; Chand, Tarak, 2023, Journal of Astrophysics and Astronomy (JApA), 44, 46, DOI: 10.1007/s12036-023-09936-w(Link)
  33. Investigating morphology and CO gas kinematics of Sh2-112 region, Mallick, K., Sharma, Saurabh, Dewangan, L. K., Ojha, Devendra K. ; Panwar, Neelam ; Baug, Tapas, 2023, Journal of Astrophysics and Astronomy (JApA), 44, 34, DOI:10.1007/s12036-023-09930-2(Link)
  34. Star-forming site RAFGL 5085: Is a perfect candidate of hub-filament system ?, Dewangan, L. K., Bhadari, N. K., A. K. Maity, Rakesh Pandey, Saurabh Sharma, T. Baug, C. Eswaraiah, 2023, Journal of Astrophysics and Astronomy (JApA), 44, 23, DOI:10.1007/s12036-022-09907-7(Link)
  35. ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions - XV. Steady Accretion from Global Collapse to Core Feeding in Massive Hub-filament System SDC335, Xu, Feng-Wei, Wang, Ke et al. (including Dewangan, L. K.), 2023, MNRAS, 520, 3259, DOI:10.1093/mnras/stad012(Link)
  36. IC 5146 dark Streamer: The first reliable candidate of edge collapse, hub-filament systems, and intertwined sub-filaments" by Dewangan, L. K., Bhadari, N. K., A. Men’shchikov, E. J. Chung, R. Devaraj, C. W. Lee, A. K. Maity, and T. Baug, 2023, The Astrophysical Journal (ApJ), 946, 22, DOI:10.3847/1538-4357/acbccc(Link)
  37. Structure and Kinematics of Sh2-138 - A distant hub-filament system in the outer Galactic plane, Mallick, K.,Dewangan, L. K., et al., 2023, The Astrophysical Journal (ApJ), 944, 228, DOI:10.3847/1538-4357/acb8bc (Link)
  38. Near-Infrared Polarimetry and H$_2$ emission towards Massive Young Stars: Discovery of a Bipolar Outflow associated to S235\,e2s3, Devaraj R.,A. Caratti o Garatti,Dewangan, L. K., et al., 2023, The Astrophysical Journal (ApJ), 944, 226, DOI: 10.3847/1538-4357/acb68e (Link)

    39. Y-2022

  39. Ionized filaments and ongoing physical processes in star-forming sites around l = 345.5 degree, Dewangan, L. K., Pirogov, L. E., Bhadari, N. K., Maity, A. K., 2022, MNRAS, 516, 2988, DOI:10.1093/mnras/stac2334(Link)
  40. Unraveling the observational signatures of cloud-cloud collision and hub-filament systems in W31, Maity, A. K., Dewangan, L. K., Sano, H., Tachihara, K., Fukui, Y., Bhadari, N. K.; 2022, ApJ, 934, 2, DOI:10.3847/1538-4357/ac7872(Link)
  41. New evidences in IRDC G333.73+0.37: colliding filamentary clouds, hub-filament system, and embedded cores, Dewangan, L. K., 2022, MNRAS, 513, 2942, DOI:10.1093/mnras/stac967(Link)
  42. Simultaneous evidence of edge collapse and hub-filament configurations: A rare case study of a Giant Molecular Filament G45.3+0.1, Bhadari, N. K., Dewangan, L. K., Ojha, D. K., Pirogov, L. E., Maity, A. K., 2022, ApJ, 930, 169, DOI:10.3847/1538-4357/ac65e9(Link)
  43. The disk-outflow system around the rare young O-type protostar W42-MME, Dewangan, L. K., Zinchenko, I. I., Zemlyanukha, P. M., Liu, S.-Y., Su, Y.-N., Kurtz, S. E., Ojha, D. K., Pazukhin, A. G., Mayya, Y. D., 2022, ApJ, 925, 41, DOI: 10.3847/1538-4357/ac36dd(Link)
  44. Sh 2-301: A Blistered H ii Region Undergoing Star Formation, Pandey, R., Sharma, Saurabh, Dewangan, L. K., Ojha, D. K., Panwar, N., Das, S., Bisen, D. P., Ghosh, A., Sinha, T.; 2022, ApJ, 926, 25, DOI: 10.3847/1538-4357/ac41c3 (Link)
  45. Fragmented atomic shell around S187 H II region and its interaction with molecular and ionized gas, Zemlyanukha, P. M., Zinchenko, I. I., Dombek, E., Pirogov, L. E., Topchieva, A., Joncas, G., Dewangan, L. K., Ojha, D. K., Ghosh, S. K., 2022, MNRAS, 515, 2445, DOI:10.1093/mnras/stac1989(Link)
  46. ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions - V. Hierarchical fragmentation and gas dynamics in IRDC G034.43+00.24, Liu, Hong-Li et al. (including Dewangan, L. K.), 2022, MNRAS, 510, 5009, DOI: 10.1093/mnras/stab2757(Link)
  47. ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions – IV. Radio Recombination Lines and evolution of star formation efficiencies, Zhang, Chao et al. (including Dewangan, L. K.), 2022, MNRAS, 510, 4998, DOI: 10.1093/mnras/stab2733(Link)
  48. ATOMS: ALMA three-millimeter observations of massive star-forming regions - VII. A catalogue of SiO clumps from ACA observations, Liu, Rong et al. (including Dewangan, L. K.), 2022, MNRAS, 511, 3618, DOI: 10.1093/mnras/stac101(Link)
  49. ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions - VIII. A search for hot cores by using C2H5CN, CH3OCHO, and CH3OH lines, Qin, Sheng-Li et al. (including Dewangan, L. K.), 2022, MNRAS, 511, 3463, DOI: 10.1093/mnras/stac219(Link)
  50. ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions - IX. A pilot study towards IRDC G034.43+00.24 on multi-scale structures and gas kinematics, Liu, Hong-Li et al. (including Dewangan, L. K.), 2022, MNRAS, 511, 4480, DOI: 10.1093/mnras/stac378(Link)
  51. ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions - X. Chemical differentiation among the massive cores in G9.62+0.19, Peng, Yaping et al. (including Dewangan, L. K.), 2022, MNRAS, 512, 4419, DOI: 10.1093/mnras/stac624(Link)
  52. ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions - XI. From inflow to infall in hub-filament systems, Zhou, Jian-Wen et al. (including Dewangan, L. K.), 2022, MNRAS, 514, 6038, DOI: 10.1093/mnras/stac1735(Link)

    53. Y-2021

  53. Probing gas kinematics and PDR structure around O-type stars in Sh 2-305 HII region, Bhadari, N. K., Dewangan, L. K., Zemlyanukha, P. M., Ojha, D. K., Zinchenko, I. I., Sharma, Saurabh, 2021, ApJ, 922, 207, DOI: 10.3847/1538-4357/ac2a44(Link)
  54. Lynds Bright Nebulae: Sites of possible twisted filaments and ongoing star formation, Dewangan, L. K., Dhanya, J. S., Bhadari, N. K., Ojha, D. K., Baug, T., 2021, MNRAS, 506, 6081, DOI: 10.1093/mnras/stab2137(Link)
  55. ALMA discovery of a dual dense probably rotating outflow from a massive young stellar object G18.88MME, Zinchenko, I. I., Dewangan, L. K., Baug, T., Ojha, D. K., Bhadari, N. K., 2021, MNRAS: Letters, 506, 45, DOI: 10.1093/mnrasl/slab070(Link)
  56. Unraveling the inner substructure of new candidate hub-filament system in the HII region G25.4NW, Dewangan, L. K., 2021, MNRAS, 504, 1152(Link)
  57. Magnetic fields and Star Formation around HII regions: The S235 complex, R. Devaraj, R., Clemens, D. P., Dewangan, L. K., Luna, A., Ray, T. P., Mackey, J., 2021, ApJ, 911, 81(Link)
  58. ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions – VI. On the formation of the "L" type filament in G286.21+0.17, Zhou, Jianwen et al. (including Dewangan, L. K.), 2021, MNRAS, 508, 4639, DOI: 10.1093/mnras/stab2801(Link)
  59. ATOMS: ALMA three-millimeter observations of massive star-forming regions - III. Catalogues of candidate hot molecular cores and hyper/ultra compact H II regions, Liu, Hong-Li et al. (including Dewangan, L. K.), DOI:10.1093/mnras/stab1352, 2021, MNRAS, Volume 505, Issue 2, Pages 2801-2818(Link)

    60. Y-2020

  60. Star formation and evolution of blister-type HII region Sh 2-112, Panwar, N., Sharma, Saurabh, Ojha, D. K., Baug, T., Dewangan, L. K., Bhatt, B. C., Pandey, R., 2020, ApJ, 905, 61(Link)
  61. New insights in the HII region G18.88-0.49: hub-filament system and accreting filaments, Dewangan, L. K., Ojha, D. K., Sharma, Saurabh, del Palacio, S., Bhadari, N. K., Das, A., 2020, ApJ, 903, 13(Link)
  62. Star-forming sites IC 446 and IC 447: an outcome of end-dominated collapse of Monoceros R1 filament, Bhadari, N. K., Dewangan, L. K., Pirogov, L. E., Ojha, D. K., 2020, ApJ, 899, 167 (Link)
  63. Probing the physical conditions and star formation processes in the Galactic HII region S305, Dewangan, L. K., Sharma, Saurabh, Pandey, R., del Palacio, S., Ojha, D. K., Benaglia, P., Baug, T., Das, S. R., 2020, ApJ, 898, 172 (Link)
  64. Uncovering distinct environments in an extended physical system around the W33 complex, Dewangan, L. K.; Baug, T.; Ojha, D. K.; 2020, MNRAS, 496, 1278 (Link)
  65. Investigating the physical conditions in extended system hosting mid-infrared bubble N14, Dewangan, L. K.; Baug, T.; Pirogov, L. E.; Ojha, D. K.; 2020, ApJ, 898, 41 (Link)
  66. Unveiling the physical conditions in NGC 6910, Kaur, H., Sharma, S., Dewangan, L. K., Ojha, D. K., Durgapal, A. Panwar, N.; 2020, ApJ, 896, 29 (Link)
  67. Stellar cores in the Sh 2-305 H II region, Pandey, R., Sharma, Saurabh, Panwar, N., Dewangan, L. K., Ojha, D. K. et al.; 2020, ApJ, 891, 81 (Link)
  68. New insights in giant molecular cloud hosting S147/S153 complex: signatures of interacting clouds, Dhanya, J. S.; Dewangan, L. K.; Ojha, D. K.; Mandal, S.; 2020, PASJ, 149D, DOI: 10.1093/pasj/psz137 (Link)

    69. Y-2019

  69. Influence of Wolf-Rayet stars on surrounding star-forming molecular clouds, Baug, T.; de Grijs Richard; Dewangan, L. K.; Herczeg, G. J.; Ojha, D. K. et al.; 2019, ApJ, 885, 68 (Link)
  70. Cluster-forming site AFGL 5157: colliding filamentary clouds and star formation, Dewangan, L. K.; 2019, ApJ, 884, 84 (Link)
  71. Unveiling Molecular Clouds toward Bipolar H II Region G8.14+0.23, Dewangan, L. K.; Sano, H.; Enokiya, R.; Tachihara, K.; Fukui, Y.; Ojha, D. K.; 2019, ApJ, 878, 26 (Link)
  72. Observational signatures of end-dominated collapse in the S242 filamentary structure, Dewangan, L. K.; Pirogov, L. E.; Ryabukhina, O. L.; Ojha, D. K.; Zinchenko, I.; 2019, ApJ, 877, 1 (Link)
  73. Evidence of interacting elongated filaments in the star-forming site AFGL 5142, Dewangan, L. K.; Ojha, D. K.; Baug, T.; Devaraj, R.; 2019, ApJ, 875, 138 (Link)

    74. Y-2018

  74. Investigating inner and large-scale physical environments of IRAS 17008-4040 and IRAS 17009-4042 toward l = 345.5 deg, b = 0.3 deg, Dewangan, L. K.; Baug, T.; Ojha, D. K.; Ghosh, S. K.; 2018, ApJ, 869, 30 (Link)
  75. The study of a system of H II regions toward l = 24.8 deg, b = 0.1 deg at the Galactic bar - Norma arm interface, Dewangan, L. K.; Dhanya, J. S.; Ojha, D. K.; Zinchenko, I.; 2018, ApJ, 866, 20 (Link)
  76. Filamentary Structures and Star Formation Activities in the Sites S234, V582, and IRAS 05231+3512, Dewangan, L. K.; Baug, T.; Ojha, D. K.; Zinchenko, I.; Luna, A.; 2018ApJ...864...54D (Link)
  77. Cloud-Cloud Collision Induced Star Formation in IRAS 18223-1243, Dewangan, L. K.; Ojha, D. K.; Zinchenko, I.; Baug, T.; 2018ApJ...861...19D (Link)
  78. The Embedded Ring-like Feature and Star Formation Activities in G35.673-00.847, Dewangan, L. K.; Devaraj, R.; Ojha, D. K.; 2018ApJ...854..106D (Link)
  79. Star formation in the Sh 2-53 region influenced by accreting molecular filaments, Baug, T.; Dewangan, L. K.; Ojha, D. K.; et al.; 2018ApJ...852..119B (Link)

    80. Y-2017

  80. New insights in the mid-infrared bubble N49 site: a clue of collision of filamentary molecular clouds, Dewangan, L. K.; Ojha, D. K.; Zinchenko, I.; 2017ApJ...851..140D (Link)
  81. Observational Signatures of Cloud-Cloud Collision in the Extended Star-forming Region S235, Dewangan, L. K.; Ojha, D. K.; 2017ApJ...849...65D (Link)
  82. Embedded Filaments in IRAS 05463+2652: Early Stage of Fragmentation and Star Formation Activities, Dewangan, L. K.; Devaraj, R.; Baug, T.; Ojha, D. K.; 2017ApJ...848...51D (Link)
  83. The Molecular Cloud S242: Physical Environment and Star-formation Activities, Dewangan, L. K.; Baug, T.; Ojha, D. K.; Janardhan, P.; Devaraj, R.; Luna, A., 2017ApJ...845...34D (Link)
  84. Hub-filament System in IRAS 05480+2545: Young Stellar Cluster and 6.7 GHz Methanol Maser, Dewangan, L. K.; Ojha, D. K.; Baug, T. 2017ApJ...844...15D (Link)
  85. Star Formation Activity in the Molecular Cloud G35.20-0.74: Onset of Cloud-Cloud Collision, Dewangan, L. K., 2017ApJ...837...44D (Link)
  86. Multiwavelength Study of the Star Formation in the S237 H ii Region, Dewangan, L. K.; Ojha, D. K.; Zinchenko, I.; Janardhan, P.; Luna, A., 2017ApJ...834...22D (Link)

    87. Y-2016

  87. The Physical Environment around IRAS 17599-2148: Infrared Dark Cloud and Bipolar Nebula, Dewangan, L. K.; Ojha, D. K.; Zinchenko, I.; Janardhan, P.; Ghosh, S. K.; Luna, A., 2016ApJ...833..246D (Link)
  88. Star Formation around Mid-Infrared Bubble N37: Evidence of Cloud-Cloud Collision, Baug, T.; Dewangan, L. K.; Ojha, D. K.; Ninan, J. P., 2016ApJ...833...85B (Link)
  89. Star-formation Activity in the Neighborhood of W-R 1503-160L Star in the Mid-infrared Bubble N46, Dewangan, L. K.; Baug, T.; Ojha, D. K.; Janardhan, P.; Ninan, J. P.; Luna, A.; Zinchenko, I., 2016ApJ...826...27D (Link)
  90. A Multi-wavelength Study of Star Formation Activity in the S235 Complex, Dewangan, L. K.; Ojha, D. K.; Luna, A.; Anandarao, B. G.; Ninan, J. P.; Mallick, K. K.; Mayya, Y. D., 2016ApJ...819...66D (Link)

    91. Y-2015

  91. Sh2-138: physical environment around a small cluster of massive stars, Baug, T.; Ojha, D. K.; Dewangan, L. K.; Ninan, J. P.; Bhatt, B. C.; Ghosh, S. K.; Mallick, K. K., 2015MNRAS.454.4335B (Link)
  92. The Physical Environment of the Massive Star-forming Region W42” Dewangan, L. K., Luna, A., Ojha, D. K., Anandarao, B. G., et al., The Astrophysical Journal, 2015, 811, 79 (Link)
  93. Massive young stellar object W42-MME: The discovery of an infrared jet using VLT/NACO near-infrared images” Dewangan, L. K. , Mayya, Y. D., Luna, A., and Ojha, D. K., The Astrophysical Journal, 2015, 803, 100 (Link)
  94. Star formation around the mid-infrared bubble CN 148” Dewangan, L. K., Ojha, D. K., Grave, J. M. C., and Mallick, K. K., Monthly Notices of the Royal Astronomical Society, 2015, 446, 2640 (Link)

    95. Y-2013

  95. Multi-wavelength study of triggered star formation around mid-infrared bub- ble N14” Dewangan, L. K. and Ojha, D. K. Monthly Notices of the Royal Astronomical Society, 2013, 429, 1386(Link)

    96. Y-2012

  96. Triggered star formation around mid-infrared bubbles in G8.14+0.23 H II region” Dewangan, L. K.; Ojha, D. K.; Anandarao, B. G.; Ghosh, S. K., and Chakraborti, S. The Astrophysical Journal, 2012, 756, 151 (Link)
  97. Star formation activity in the Galactic H II region Sh2-297” Mallick, K. K.; Ojha, D. K.; Samal, M. R.; Pandey, A. K.; Bhatt, B. C., Ghosh, S. K.; Dewangan, L. K., and Tamura, M. The Astrophysical Journal, 2012, 759, 48 (Link)

    98. Y-2011

  98. Infrared photometric study of the massive star forming region S235 using Spitzer-IRAC and JHK observations” Dewangan, L. K. and Anandarao, B. G. Monthly Notices of the Royal Astronomical Society, 2011, 414, 1526 (Link)

    99. Y-2010

  99. Ring-like features around young B stars” Kumar, M. S. N., Velusamy, T., Davis, C. J., Varricatt, W. P., and Dewangan, L. K. Astronomy and Astrophysics, 2010, 519, 99 (Link)
  100. A study of the massive star forming region M8 using Spitzer-IRAC images” Kumar, Dewangan Lokesh and Anandarao, B. G. Monthly Notices of the Royal Astronomical Society, 2010, 407, 1170 (Link)
  101. Spitzer-IRAC imaging photometric study of the massive star forming re- gion AFGL 437” Kumar Dewangan, Lokesh and Anandarao, B. G. Monthly Notices of the Royal Astronomical Society, 2010, 402, 2583 (Link)
  102. Carbon and oxygen isotopic compositions of Newania Dolomite Carbon- atites, Rajasthan, India: implications for source of carbonatites.” Ray, J. S., Shukla, A. D., and Dewangan, L. K. Mineralogy and Petrology, 2010, 98, 269 (Link)

Students

  1. (Dr. Naval Kishor Bhadari (PRL))
  2. (Mr. Arup Kumar maity (PRL))
  3. (Mr. Omkar Ratan Jadhav (PRL))

Contact

Dr. Lokesh Kumar Dewangan
Academic Faculty
Astronomy and Astrophysics Division
Physical Research Laboratory
Unit of Dept. of Space
Govt. of India
Navrangpura, Ahmedabad-380009
Phone : +91-79-26314604
Fax : +91-79-26314659
Email : [email protected]
Web Page : https://www.prl.res.in/~lokeshd
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