2 papers
astro-ph2000
Non-LTE analysis of neutral magnesium in cool stars
G. Zhao, T. Gehren
Calculations of the statistical equilibrium of magnesium in the solar photosphere have shown that NLTE populations hardly affect Mg line formation in the Sun. However, in metal-poo…
astro-ph1997
Real-Time Spectroscopy of Gravitational Microlensing Events - Probing the Evolution of the Galactic Bulge
D. Lennon, S. Mao, J. Reetz +3
We describe a real-time spectroscopic program to observe bright gravitational microlensing events toward the Galactic Bulge. The program is carried out using the NTT at ESO. We pre…