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Browsing by Subject "ISM: magnetic fields"

Browsing by Subject "ISM: magnetic fields"

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  • Optical Photometric and Polari metric investigation of NGC 1931 
    Pandey, A. K; Eswaraiah, C; Sharma, S; Samal, M. R; Chauhan, N; Chen, W. P; Jose, J; Ojha, D. K; Yadav, Ram Kesh; Chandola, H. C (IOP Publishing, 2013-02-05)
    We present optical photometric and polarimetric observations of stars toward NGC 1931 with the aim of deriving cluster parameters such as distance, reddening, age, and luminosity/mass function as well as understanding dust ...
  • Polarization of seven MBM clouds at high Galactic latitude 
    Neha, S; Maheswar, G; Soam, A; Lee, C. W (Oxford University Press on behalf of the Royal Astronomical Society, 2018-06)
    We made R-band polarization measurements of 234 stars towards the direction of the MBM 33–39 cloud complex. The distance of the MBM 33–39 complex was determined as 120 ± 10 pc using polarization results and near-infrared ...
  • Probing magnetic fields with square kilometre array and its precursors 
    Roy, S; Sur, Sharanya; Subramanian, K; Mangalam, A; Seshadri, T. R; Chand, H (Indian Academy of Sciences, 2016-12)
    Origin of magnetic fields, its structure and effects on dynamical processes in stars to galaxies are not well understood. Lack of a direct probe has remained a problem for its study. The first phase of Square Kilometre ...
  • The role of magnetic fields in the stability and fragmentation of filamentary molecular clouds: two case studies at OMC-3 and OMC-4 
    Li, Pak Shing; Lopez-Rodriguez, Enrique; Archana Soam; Klein, Richard I (Oxford University Press on behalf of Royal Astronomical Society, 2022-08)
    We present the stability analysis of two regions, OMC-3 and OMC-4, in the massive and long molecular cloud complex of Orion A. We obtained 214 μm HAWC + /SOFIA polarization data, and we make use of archival data for the ...
  • A study of the starless dark cloud LDN 1570: Distance, dust properties, and magnetic field geometry 
    Eswaraiah, C; Maheswar, G; Pandey, A. K; Jose, J; Ramaprakash, A. N; Bhatt, H. C (EDP Sciences, 2013-08)
    Aims. We aim to map the magnetic field geometry and to study the dust properties of the starless cloud, L1570, using multi-wavelength optical polarimetry and photometry of the stars projected on the cloud. Methods. The ...
  • Tracing the magnetic field morphology of the LDN 1172/1174 cloud complex 
    Saha, Piyali; Maheswar, G; Sharma, Ekta; Lee, Chang Won; Ghosh, Tuhin; Kim, Shinyoung (EDP Sciences, 2021-11)
    Context. The LDN 1172/1174 cloud complex in the Cepheus Flare region presents a hub-filament structure with the reflection nebula, NGC 7023, illuminated by a Herbig Be star, HD 200775, which consists of the hub with a ~5 ...

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