Dust and Diffuse Interstellar Bands in the z_a = 0.524 Absorption System toward AO 0235+164

V. T. Junkkarinen, Ross D. Cohen, E. A. Beaver +3

We present new HST STIS NUV-MAMA and STIS CCD observations of the BL Lac object AO 0235+164 and the intervening damped Ly alpha (DLA) line at z_a = 0.524. The line profile gives N(…