Real-Time VLBI Observations of Compact Objects

Radio emission from Galactic stellar black holes is usually very weak and higly variable on short timescales. To image these systems at high angular resolution using the very long baseline interferometry (VLBI) technique with high fidelity is a challenge. To increase the sensitivity of VLBI observations, the data rates have to be increased considerably. One way to handle multi‐Gbit/s data is to stream these from the telescopes to the central data processor in real‐time, a relatively new technique called e‐VLBI. I will describe e‐VLBI developments in the European VLBI Network (EVN).