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Browsing IIAP Publications by Subject "H II regions"

Browsing IIAP Publications by Subject "H II regions"

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  • A Comprehensive Study of the Young Cluster IRAS 05100+3723: Properties, Surrounding Interstellar Matter, and Associated Star Formation 
    Yadav, R. K; Samal, M. R; Semenko, E; Zavagno, A; Vaddi, S; Prajapati, P; Ojha, D. K; Pandey, A. K; Ridsdill-Smith, M; Jose, J; Patra, S; Dutta, S; Irawati, P; Sharma, S; Sahu, D. K; Panwar, N (American Astronomical Society, 2022-02-10)
    We present a comprehensive multiwavelength investigation of a likely massive young cluster "IRAS 05100+3723" and its environment with the aim to understand its formation history and feedback effects. We find that IRAS ...
  • Magnetic fields in multiple bright-rimmed clouds in different directions of H II region IC 1396 
    Soam, A; Maheswar, G; Lee, C. W; Neha, S; Kim, K (Oxford University Press on behalf of the Royal Astronomical Society, 2018-06)
    Bright-rimmed clouds (BRCs) form on the edges of H II regions affected by high-energy radiation from a central ionizing source. The UV radiation from the ionizing source results in compression and ionization, causing either ...
  • Research on the interstellar medium and star formation in the Galaxy: An Indian perspective 
    Mookerjea, B; Maheswar, G; Acharyya, K; Baug, Tapas; Datta, Prasun; Jose, J; Ojha, D. K; Pandian, Jagadheep D; Roy, Nirupam; Samal, Manash; Sharma, Saurabh; Archana Soam; Vig, S; Das, Ankan; Dewangan, Lokesh; Dutta, Somnath; Eswariah, C; Majumdar, Liton; Mallick, K. K; Mondal, Soumen; Ninan, Joe P; Panwar, Neelam; Pathak, A; Rastogi, Shantanu; Sahu, Dipen; Tej, Anandmayee (Springer Nature, 2025-06)
    Although the star-formation process has been studied for decades, many important aspects of the physics involved remain unsolved. Recent advancements in instrumentation in the infrared, far-infrared, and sub-millimeter-wavelength ...
  • Star Formation Activity in the Galactic H II Complex S255-S257 
    Ojha, D. K; Samal, M. R; Pandey, A. K; Bhatt, B. C; Ghosh, S. K; Sharma, S; Tamura, M; Mohan, V; Zinchenko, I (IOP Publishing, 2011-09-10)
    We present results on the star formation activity of an optically obscured region containing an embedded cluster (S255-IR) and molecular gas between two evolved H II regions, S255 and S257. We have studied the complex using ...
  • 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; Tamura, M (IOP Publishing, 2012-11-01)
    We present a multiwavelength study of the Galactic H II region Sh2-297, located in the Canis Major OB1 complex. Optical spectroscopic observations are used to constrain the spectral type of ionizing star HD 53623 as B0V. ...
  • Star Formation and Evolution of Blister-type H II Region Sh2-112 
    Panwar, N; Sharma, S; Ojha, D. K; Baug, T; Dewangan, L. K; Bhatt, B. C; Pandey, R (IOP Publishing, 2020-12-10)
    We report the observational findings of the Sh2-112 H ii region by using the multiwavelength data analysis ranging from optical to radio wavelengths. This region is powered by the massive O8V-type star BD +45 3216. The ...
  • Triggered Star Formation and Young Stellar Population in Bright-rimmed Cloud SFO 38 
    Choudhury, R; Mookerjea, B; Bhatt, H. C (IOP Publishing, 2010-07-10)
    We have investigated the young stellar population in and around SFO 38, one of the massive globules located in the northern part of the Galactic H II region IC 1396, using the Spitzer IRAC and MIPS observations (3.6-24 ...

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