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non-optical astronomy - Coggle Diagram
non-optical astronomy
X-Ray
high energy observations
absorption of x-ray photons
photoelectric effects
scatter
Thomson scattering
Compton scattering
electron-positron pair production
x-ray continuum spectrum
thermal: accretion disk
hard power law spectrum: hot plasma
bremsstrahlung
x-ray emission lines
x-ray detectors
ccd
proportional counters
scintillators
IR
why we need IR
dust obscuration
dust emission - reveal star forming region
chopping and nodding
IR detectors
measure the heating up by IR photons
IR telescope
JWST
Radio
radio astronomy basics
emission mechanisms
black body (thermal)
continuum (non-thermal)
Bremsstralung
Synchrotron
Spectral line sources
Radio Telescopes & Detectors
Radio Telescope Components
Reflector(s)
Feed horn(s)
Low-noise amplifier
Filter
Downconverter
IF Amplifier
Spectrometer
back-end signal processing
Superheterodyne
Autocorrelation Spectrometer
characteristics
noise temperature
primary beam and side lobes
polarization
Interferometry
Aperture synthesis
two telescope interferometry
Baselines
uv plane
visibility
radio imaging
multi-messenger
neutrinos
travels freely, can easily pass through stars
hard to detect
sources
solar neutrinos
supernova
detection
pure water/heavy water
cosmic ray
detection
scitillator
Cherenkov radiation
fluorscence
hard to trace the origin
cosmic ray spectrum
knee
ankle
GW
sources
BH merger
NS merger
detection
interferometry
Muti-messenger astronomy