The Center of Activity in the CSS Superluminal Source 3C 138

Z. -Q. Shen, L. -L. Shang, H. -B. Cai +7

We present the results from the first quasi-simultaneous multi-frequency (2.3, 5.0, 8.4 and 15 GHz) Very Long Baseline Interferometry (VLBI) observations of a compact steep spectru…