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A Two Micron All Sky Survey view of the Sagittarius dwarf galaxy. II. Swope telescope spectroscopy of M giant stars in the dynamically cold Sagittarius tidal stream
kinematics halo
2014/12/24
We have obtained moderate resolution (~6 km s-1) spectroscopy of several hundred M giant candidates selected from Two Micron All Sky Survey photometry. Radial velocities are presented for stars mainly...
Modelling chromospheric line profiles as diagnostics of velocity fields in ω Centauri red giant stars
line profiles globular clusters individual atmospheres mass loss
2010/11/11
Context. Mass loss of ∼ 0.1-0.3 M⊙ from Population II red giant stars (RGB) is a requirement of stellar evolution theory in order to account for several observational evidences in globular clust...
David vs. Goliath: pitfalls and prospects in abundance analyses of dwarf vs. giant stars
Solar and Stellar Astrophysics (astro-ph.SR) Galaxy Astrophysics (astro-ph.GA)
2010/12/29
I review some of the current limitations in modelling stellar atmospheres of solar-type stars and approaches to overcome them.
Quantitative Spectral Classification. Analysis of K-M Giant Stars in the Visible and Near-IR region
Spectral Classification Near-IR region K-M Giant Stars
2009/6/30
Quantitative Spectral Classification. Analysis of K-M Giant Stars in the Visible and Near-IR region。