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
High-frequency radio astronomy: ALMA, sub-mm astronomy, and the EHT
Lecture topics
Millimeter/submillimeter observing. Atmospheric opacity, water vapor, phase stability, high-site observing. Molecular gas, dust continuum, protoplanetary disks, high-redshift galaxies, star formation, astrochemistry.
The Event Horizon Telescope: mm-VLBI, black-hole shadow imaging, closure phase, sparse imaging, scattering, calibration at extreme resolution.
Key concepts
Atmospheric transmission, phase noise, precipitable water vapor, dust emission, molecular ladders, mm-VLBI, closure quantities.