Course : Εισαγωγή στη Ραδιοστρονομία
Course code : PH338C
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Display all units
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Introduction: What is radio astronomy
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Radiation mechanisms in the radio window
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Propagation through plasmas and the interstellar medium
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Antennas, beams, and single-dish observing
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Receivers, backends, digitization, and RFI
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Spectral-line radio astronomy
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Polarization and magnetic fields
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Pulsars and pulsar timing
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Transients, FRBs, surveys, and time-domain radio astronomy
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Interferometry I: the fundamental idea
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Interferometry II: calibration and imaging
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VLBI, astrometry, geodesy, and extreme angular resolution
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High-frequency radio astronomy: ALMA, sub-mm astronomy, and the EHT
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SETI, technosignatures, future facilities
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Introduction: What is radio astronomy
Transients, FRBs, surveys, and time-domain radio astronomy
Lecture topics
Fast radio bursts, rotating radio transients, radio supernovae, flare stars, magnetars, tidal disruption events, GRB afterglows. Survey design: field of view, cadence, sensitivity, localization, false positives. Real-time detection pipelines. Multi-messenger connections.
Key concepts
Fluence, dispersion sweep, localization, cadence, completeness, selection effects, event rates.