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Browsing by Subject "ISM: structure"

Browsing by Subject "ISM: structure"

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  • The 3-Dimensional Distribution of Interstellar Dust 
    Murthy, J (Cambridge University Press, 2014-01)
    A knowledge of the three dimensional distribution of interstellar dust is critical in interpreting all observations of the sky, particularly in the understanding of the structure and morphology of our Galaxy. It has been ...
  • Cloud motion and magnetic fields: Four clouds in the Cepheus Flare region 
    Sharma, Ekta; Maheswar, G; Dib, S (EDP Sciences, 2022-02)
    Context. The Cepheus Flare region consists of a group of dark cloud complexes that are currently active in star formation. Aims. The aim of this work is to estimate the motions of four clouds, namely L1147/1158, L1172/1174, ...
  • Galaxy outflows without supernovae 
    Sur, Sharanya; Scannapieco, E; Ostriker, E. C (IOP Publishing, 2016-02)
    High surface density, rapidly star-forming galaxies are observed to have ≈ 50 – 100 km s − 1 line of sight velocity dispersions, which are much higher than expected from supernova driving alone, but may arise from ...
  • Interstellar medium and star formation studies with the square kilometre array 
    Manoj, P; Vig, S; Maheswar, G; Kamath, U. S (Indian Academy of Sciences, 2016-12)
    Stars and planetary systems are formed out of molecular clouds in the interstellar medium. Although the sequence of steps involved in star formation are generally known, a comprehensive theory which describes the details ...
  • Morpho-kinematic and photoionization models of the multipolar structures in planetary nebula NGC 6572 
    Bandyopadhyay, Rahul; Das, Ramkrishna; Parthasarathy, M; Kar, Subhajit (Oxford University Press on behalf of Royal Astronomical Society, 2023-09)
    We have studied planetary nebula (PN) NGC 6572 through 3D morpho-kinematic and photoionization modelling. The 3D morphology is reconstructed from the Hubble Space Telescope images in different narrow-band filters and ...
  • Occurrence of thermal instability in molecular clouds 
    Nejad-Asghar, M; Ghanbari, J (Astronomical Society of India, 2004-09)
    Linear perturbation is used on the complete MHD equations of the magnetic molecular clouds. We carry out a comparison of characteristic time-scales, and find conditions which linear thermal instability causes to form the ...
  • 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 ...
  • 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 ...
  • Survey of O VI absorption in the Large Magellanic Cloud 
    Pathak, A; Pradhan, A. C; Sujatha, N. V; Murthy, J (Wiley-Blackwell, 2011-04)
    We present a survey of interstellar O VI absorption in the Large Magellanic Cloud (LMC) towards 70 lines of sight based on Far Ultraviolet Spectroscopic Explorer (FUSE) observations. The survey covers O VI absorption in a ...
  • TRAO survey of nearby filamentary molecular clouds, the universal nursery of stars (TRAO FUNS). I. Dynamics and Chemistry of L1478 in the California molecular cloud 
    Chung, E.J; Lee, C.W; Kim, S; Kim, G; Caselli, P; Tafalla, M; Myers, P.C; Archana, S; Liu, T; Maheswar, G; Kim, M; Kim, K.H; Kwon, W; Kang, H; Lee, C (IOP Publishing, 2019-06-01)
    “TRAO FUNS” is a project to survey the Gould Belt’s clouds in molecular lines. This paper presents its first results onthe central region of the California molecular cloud, L1478. We performed on-the-fly mapping observations ...

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