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Browsing by Author "Archana Soam"

Browsing by Author "Archana Soam"

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  • On the Scarcity of Dense Cores (n>105 cm−3 ) in High-latitude Planck Galactic Cold Clumps 
    Xu, Fengwei; Wang, Ke; Liu, Tie; Eden, David; Liu, Xunchuan; Juvela, Mika; He, Jinhua; Johnstone, Doug; Goldsmith, Paul; Garay, Guido; Wu, Yuefang; Archana Soam; Traficante, Alessio; Ristorcelli, Isabelle; Falgarone, Edith; Chen, Huei-Ru Vivien; Hirano, Naomi; Doi, Yasuo; Kwon, Woojin; White, Glenn J; Whitworth, Anthony; Sanhueza, Patricio; Rawlings, Mark G; Alina, Dana; Ren, Zhiyuan; Lee, Chang Won; Tatematsu, Kenichi; Zhang, Chuan-Peng; Zhou, Jianjun; Lai, Shih-Ping; Ward-Thompson, Derek; Liu, Sheng-Yuan; Gu, Qilao; Chakali, Eswaraiah; Zhu, Lei; Mardones, Diego; Toth, L. Viktor (American Astronomical Society, 2024-03-01)
    High-latitude (|b| > 30°) molecular clouds have virial parameters that exceed 1, but whether these clouds can form stars has not been studied systematically. Using JCMT SCUBA-2 archival data, we surveyed 70 fields that ...
  • The Origin of Dust Polarization in the Orion Bar 
    Gouellec, Valentin J. M. Le; Andersson, B-G; Archana Soam; Schirmer, Thiébaut; Michail, Joseph M.; Lopez-Rodriguez, Enrique; Flores, Sophia; Chuss, David T.; Vaillancourt, John E.; Hoang, Thiem; Lazarian, Alex (American Astronomical Society, 2023-07-10)
    The linear polarization of thermal dust emission provides a powerful tool to probe interstellar and circumstellar magnetic fields, because aspherical grains tend to align themselves with magnetic field lines. While the ...
  • Physics and Chemistry of Radiation Driven Cloud Evolution. [C II] Kinematics of IC 59, and IC 63 
    Caputo, Miranda; Archana Soam; Andersson, B-G; Dennis, Remy; Chambers, Ed; Gusten, Rolf; Knee, Lewis B. G; Stutzki, Jurgen (American Astronomical Society, 2023-06-20)
    We used high-resolution [C II] 158 μm mapping of two nebulae IC 59 and IC 63 from SOFIA/upGREAT in conjunction with ancillary data of the gas, dust, and polarization to probe the kinematics, structure, and magnetic properties ...
  • 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 ...
  • SOFIA Observations of 30 Doradus. II. Magnetic Fields and Large-scale Gas Kinematics 
    Tram, Le Ngoc; Bonne, Lars; Hu, Yue; Lopez-Rodriguez, Enrique; Guerra, Jordan A; Lesaffre, Pierre; Gusdorf, Antoine; Hoang, Thiem; Lee, Min-Young; Lazarian, Alex; Andersson, B-G; Coude, Simon; Archana Soam; Vacca, William D; Lee, Hyeseung; Gordon, Michael (American Astronomical Society, 2023-03-20)
    The heart of the Large Magellanic Cloud, 30 Doradus, is a complex region with a clear core-halo structure. Feedback from the stellar cluster R136 has been shown to be the main source of energy creating multiple parsecscale ...
  • The structure and characteristic scales of the H I gas in galactic disks 
    Dib, Sami; Braine, Jonathan; Maheswar, G; Lara-López, Maritza A; Kravtsov, Valery V; Archana Soam; Sharma, Ekta; Zhukovska, Svitlana; Aouad, Charles; Belinchón, José Antonio; Helou, George; Li, Di (EDP Sciences, 2021-11)
    The spatial distribution of the H I gas in galactic disks holds important clues about the physical processes that shape the structure and dynamics of the interstellar medium (ISM). The structure of the ISM could be affected ...
  • Submillimeter-wavelength Polarimetry of IRC+10216 
    Andersson, B -G; Karoly, Janik; Bastien, Pierre; Archana Soam; Coude, Simon; Tahani, Mehrnoosh; Gordon, Michael S; Fox-Middleton, Sydney (American Astronomical Society, 2024-03-01)
    We present SCUBA-2/POL-2 850 μm polarimetric observations of the circumstellar envelope (CSE) of the carbon-rich asymptotic giant branch (AGB) star IRC+10216. Both far-IR (FIR) and optical polarization data indicate ...
  • TRAO Survey of Nearby Filamentary Molecular Clouds, the Universal Nursery of Stars (TRAO-FUNS). III. Filaments and Dense Cores in the NGC 2068 and NGC 2071 Regions of Orion B 
    Yoo, Hyunju; Lee, Chang Won; Chung, Eun Jung; Kim, Shinyoung; Tafalla, Mario; Caselli, Paola; Myers, Philip C; Kim, Kyoung Hee; Liu, Tie; Kwon, Woojin; Archana Soam; Kim, Jongsoo (American Astronomical Society, 2023-11-10)
    We present the results of molecular line observations performed toward the NGC 2068 and NGC 2071 regions of the Orion B cloud as the TRAO-FUNS project to study the roles of the filamentary structure in the formation ...
  • TRAO survey of the nearby filamentary molecular clouds, the universal nursery of stars (TRAO FUNS). II. filaments and dense cores in IC 5146 
    Chung, Eun Jung; Lee, Chang Won; Kim, Shinyoung; Maheswar, G; Tafalla, Mario; Caselli, Paola; Myers, Philip C; Liu, Tie; Yoo, Hyunju; Kim, Kyoung Hee; Kim, Mi-Ryang; Archana Soam; Cho, Jungyeon; Kwon, Woojin; Lee, Changhoon; Kan, Hyunwoo (IOP Publishing, 2021-09-20)
    We present the results on the physical properties of filaments and dense cores in IC 5146, as a part of the TRAO FUNS project. We carried out on-the-fly mapping observations using the Taeduk Radio Astronomy Observatory ...

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