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Baseline length: 1.0 km Number of dishes: 2 Frequency: 1.4 GHz Source angle: 0° Layout

Presets

Stats

Angular res.—

Max baseline—

Wavelength—

Fringe spacing—

Eff. aperture—

vs single dish—

An interferometer's resolution is set by the longest baseline B: θ ≈ λ/B (radians). Two dishes give sinusoidal fringes from the geometric path difference B·sinθ. Many baselines (VLA Y, VLBI) synthesise the resolving power of one huge dish — far sharper than any single dish.