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Browsing by Author "Subramanian, S"

Browsing by Author "Subramanian, S"

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  • The VMC Survey – XL. three-dimensional structure of the small magellanic cloud as derived from red clump stars 
    Tatton, B. L; van Loon, J. Th; Cioni, M.-R. L; Bekki, K; Bell, C. P. M; Choudhury, S; de Grijs, R; Groenewegen, M. A. T; Ivanov, V. D; Marconi, M; Oliveira, J. M; Ripepi, V; Rubele, S; Subramanian, S; Sun, N.-C (Oxford University Press on behalf of the Royal Astronomical Society, 2021-06)
    Galaxy interactions distort the distribution of baryonic matter and can affect star formation. The nearby Magellanic Clouds are a prime example of an ongoing galaxy interaction process. Here, we use the intermediate-age ...
  • The VMC survey – XLI. Stellar proper motions within the small magellanic cloud 
    Niederhofer, Florian; Cioni, Maria-Rosa L; Rubele, Stefano; Schmidt, Thomas; Diaz, Jonathan D; Matijevic, Gal; Bekki, Kenji; Bell, C. P. M; de Grijs, Richard; Youssoufi, Dalal El; Ivanov, Valentin D; Oliveira, Joana M; Ripepi, Vincenzo; Subramanian, S; Sun, Ning-Chen; van Loon, Jacco Th (Oxford University Press on behalf of the Royal Astronomical Society, 2021-04)
    We used data from the near-infrared Visible and Infrared Telescope for Astronomy (VISTA) survey of the Magellanic Cloud system (VMC) to measure proper motions (PMs) of stars within the Small Magellanic Cloud (SMC). The ...
  • The VMC Survey – XLII. near-infrared period–luminosity relations for RR Lyrae stars and the structure of the large magellanic cloud 
    Cusano, F; Moretti, M. I; Clementini, G; Ripepi, V; Marconi, M; Cioni, M.-R. L; Rubele, S; Garofalo, A; de Grijs, R; Groenewegen, M. A. T; Oliveira, J. M; Subramanian, S; Sun, N.-C; van Loon, J. Th (Oxford University Press on behalf of the Royal Astronomical Society, 2021-06)
    We present results from an analysis of ∼29 000 RR Lyrae stars located in the Large Magellanic Cloud (LMC). For these objects, near-infrared time-series photometry from the VISTA survey of the Magellanic Clouds system (VMC) ...
  • The VMC survey – XLIV: mapping metallicity trends in the large magellanic cloud using near-infrared passbands 
    Choudhury, Samyaday; Grijs, Richard de; Bekki, Kenji; Cioni, Maria-Rosa L.; Ivanov, Valentin D.; Loon, Jacco Th. van; Miller, Amy E.; Niederhofer, Florian; Oliveira, Joana M.; Ripepi, Vincenzo; Sun, Ning-Chen; Subramanian, S (Oxford University Press on behalf of Royal Astronomical Society, 2021-11)
    We have derived high-spatial-resolution metallicity maps covering ∼105 deg2 across the Large Magellanic Cloud (LMC) using near-infrared passbands from the VISTA Survey of the Magellanic Clouds. We attempt to understand ...
  • The VMC survey – XLVI. Stellar proper motions in the centre of the Large Magellanic Cloud 
    Niederhofer, Florian; Cioni, Maria-Rosa L; Schmidt, Thomas; Bekki, Kenji; de Grijs, Richard; Ivanov, Valentin D; Oliveira, Joana M; Ripepi, Vincenzo; Subramanian, S; van Loon, Jacco Th (Oxford University Press on behalf of Royal Astronomical Society, 2022-06)
    We present proper motion (PM) measurements within the central region of the Large Magellanic Cloud (LMC), using nearinfrared data from the VISTA survey of the Magellanic Cloud system (VMC). This work encompasses 18 VMC ...
  • The VMC survey – XXXIV. Morphology of stellar populations in the Magellanic Clouds 
    Youssouf, Dalal El; Cioni, Maria-Rosa L; Bell, Cameron P. M; Rubele, Stefano; Bekki, Kenji; Grijs, Richard de; Girardi, Leo; Ivanov, Valentin D; Matijevic, Gal; Niederhofer, Florian; Oliveira, Joana M; Ripepi, Vincenzo; Subramanian, S; van Loon, Jacco Th (Oxford University Press on behalf of the Royal Astronomical Society, 2019-11)
    The Magellanic Clouds are nearby dwarf irregular galaxies whose morphologies show different properties when traced by different stellar populations, making them an important laboratory for studying galaxy morphologies. We ...
  • The VMC Survey. XXIX. Turbulence-controlled Hierarchical Star Formation in the Small Magellanic Cloud 
    Sun, N; de Grijs, R; Cioni, M. L; Rubele, S; Subramanian, S; van Loon, J. T; Bekki, K; Bell, C. P. M; Ivanov, V. D; Marconi, M; Muraveva, T; Oliveira, J. M; Ripepi, V (IOP Publishing, 2018-05-03)
    In this paper we report a clustering analysis of upper main-sequence stars in the Small Magellanic Cloud, using data from the VMC survey (the VISTA near-infrared YJK s survey of the Magellanic system). Young stellar ...
  • X-shaped Radio Galaxies: Optical Properties, Large-scale Environment, and Relationship to Radio Structure 
    Joshi, Ravi; Gopal Krishna; Yang, Xiaolong; Shi, Jingjing; Yu, Si-Yue; Wiita; Paul J.; Ho, Luis C.; Wu, Xue-Bing; An, Tao; Wang, Ran; Subramanian, S; Yesuf, Hassen (IOP Publishing, 2019-12)
    In pursuit of clues to the origin of “ winged ” or X-shaped radio galaxies ( XRGs ) we investigate the parent galaxies of a large sample of 106 XRGs for optical – radio axes alignment, interstellar medium, black ...

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