TY - JOUR AU - W. Oegerle AU - Y. Kondo AU - R. Stencel AU - E. Weiler BT - The Astrophysical Journal DA - 01/1982 PY - 1982 SE - 252 SP - 252 EP - 302 T2 - The Astrophysical Journal TI - High Resolution Observations of Magnesium II 2800 angstrom in Alpha Centauri A: The Density of Interstellar Magnesium II and the Stellar Chromospheric Profiles VL - 304 ER -