### Stellar streams in the Galactic thick disk: preliminary resultsStellar streams in the Galactic thick disk: preliminary results

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 Author Ramya, P. ♦ Reddy, B. E. Source Indian Institute of Astrophysics Content type Text File Format PDF Language English
 Subject Domain (in DDC) Natural sciences & mathematics ♦ Physics Subject Keyword Stellar streams ♦ Arcturus stream ♦ AF06 stream, abundance Description 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 resolution spectra of 42 member stars: 17 from Arcturus stream and 25 from AF06 stream''. The LTE (Local Thermodynamic Equilibrium) abundance analysis was performed differentially with respect to the sun. Abundance results suggest that both the streams are metal poor and enhanced in α-process elements (O, Mg, Si, Ca, Ti) very similar to the thick disk chemistry. Also, results suggest that the two streams probably did not originate by the dispersion of open clusters. ISBN 9788192292649 Educational Use Research Education Level UG and PG Learning Resource Type Article Publisher Institution Astronomical Society of India Starting Page 1