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About the Absolute UV Flux of the OF Star HD 152408

Petrov, P.; Hua, Chong Trung; Magnan, A. +2 more

The UV telescope with a three channel spectrometer was launched on March 23, 1983. The absolute calibration of the system was carried out using standard stars measured by the TD1 and IUE spacecrafts. During the first months of operation, photometric controls were done in order to test the stability, reproducibility of the data. These measurements …

The Neutral Gas Toward HD 93206

Welsh, B. Y.; Thomas, C. K.

The Carina star HD 93206 has been observed at high resolution using the IUE satellite to study the neutral atomic inter-stellar absorption lines in this direction. A line profile fitting analysis has been carried out on these resonance lines to determine cloud component column densities. The state of ionization of these clouds is discussed in deta…