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Browsing by Author "Lee, C. W"

Browsing by Author "Lee, C. W"

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  • A census of young stellar population associated with the Herbig Be star HD 200775 
    Saha, Piyali; Maheswar, G; Kamath, U. S; Lee, C. W; Puravankara, Manoj; Mathew, B; Sharma, Ekta (Oxford University Press on behalf of the Royal Astronomical Society, 2020-06)
    The region surrounding the well-known reflection nebula, NGC 7023, illuminated by a Herbig Be star, HD 200775, located in the dark cloud L1174 is studied in this work. Based on the distances and proper motion values from ...
  • First sub-parsec-scale mapping of magnetic fields in the vicinity of a very-low-luminosity object, L1521F-IRS 
    Archana Soam; Lee, C. W; Andersson, B.G; Maheswar, G; Juvela, Mika; Liu, Tie; Kim, Gwanjeong; Ramprasad Rao; Chung, E.J; Kwon, Woojin; Ekta, S S (IOP Publishing, 2019-09-20)
    L1521F is found to be forming multiple cores and it is cited as an example of the densest core with an embedded VeLLO in a highly dynamical environment. We present the core-scale magnetic fields (B-fields) in the near ...
  • Magnetic field structure around cores with very low luminosity objects 
    Soam, A; Maheswar, G; Lee, C. W; Dib, S; Bhatt, H. C; Tamura, M; Kim, G (EDP Sciences, 2015-01)
    Aims. We carried out optical polarimetry of five dense cores, (IRAM 04191, L1521F, L328, L673-7, and L1014) which are found to harbour very low luminosity objects (VeLLOs; Lint ≲ 0.1 L⊙). This study was conducted mainly ...
  • 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 ...
  • A method to determine distances to molecular clouds using near-IR photometry 
    Maheswar, G; Lee, C. W; Bhatt, H. C; Mallik, S. G. V; Dib, S (EDP Sciences, 2010-01)
    We aim to develop a method to determine distances to molecular clouds using JHK near-infrared photometry. Methods: The method is based on a technique that aids spectral classification of stars lying towards the fields ...
  • 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 ...

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