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Browsing by Author "Ramya, P"

Browsing by Author "Ramya, P"

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  • Chemical compositions and kinematics of the Hercules stream 
    Ramya, P; Reddy, B. E; Lambert, D. L; Musthafa, M. M (Oxford University Press on behalf of the Royal Astronomical Society, 2016-08)
    An abundance analysis is reported of 58-K giants identified by Famaey et al. ( 2005 , A&A, 430, 165) as highly probable members of the Hercules stream selected from stars north of the celestial equator in the Hippar ...
  • Chemical compositions of giants in the Hyades and Sirius superclusters 
    Ramya, P; Reddy, B. E; Lambert, D. L (Oxford University Press on behalf of the Royal Astronomical Society, 2019-03)
    An abundance analysis for 20 elements from Na to Eu is reported for 34 K giants from the Hyades supercluster and for 22 K giants from the Sirius supercluster. Observed giants were identified as highly probable members of ...
  • Chemical compositions of stars in two stellar streams from the Galactic thick disc 
    Ramya, P; Reddy, B. E; Lambert, D. L (Wiley-Blackwell, 2012-10)
    We present abundances for 20 elements for stars in two stellar streams identified by Arifyanto & Fuchs: 18 stars from the Arcturus stream and 26 from a new stream, which we call the AF06 stream, both from the Galactic thick ...
  • Moving groups in the galactic disc 
    Ramya, P; Reddy, B. E (Cambridge University Press, 2014-01)
    We present results of chemical abundance study of a few representative stellar streams of Galactic thick and thin discs. Arcturus stream, which was proposed to have an extragalactic origin, and a recently detected stream ...
  • Stellar streams in the Galactic thick disk: preliminary results 
    Ramya, P; Reddy, B. E (Astronomical Society of India, 2012)
    Here we report preliminary results of our study of chemical tagging of member stars of two Galactic stellar streams. Both the streams, kinematically belong to the thick disk component of the Galaxy. We analysed high ...
  • Study of stellar streams in the galaxy 
    Ramya, P (Indian Institute of Astrophysics, 2014-02)
    Our Galaxy, also called the Milky Way, is a spiral galaxy consisting of three major distinct components: bulge, disc and halo. They differ from each other in their structural as well as kinematical and chemical properties. ...

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