LBCS Calibrator Search

This service queries the catalog of calibrators from the LOFAR Long-Baseline Calibrator Survey (LBCS). The LBCS aims to identify sources suitable for calibrating the highest-resolution observations made with the International LOFAR Telescope, which include baselines >1000 km. Suitable sources must contain significant correlated flux density (>50 − 100 mJy) at frequencies around 110–190 MHz on scales of a few hundred milliarcseconds.
Coordinates (as h m s, d m s or decimal degrees), or SIMBAD-resolvable object
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