Please enable JavaScript.
Coggle requires JavaScript to display documents.
Observations - Coggle Diagram
Observations
Measure Properties of Astronomical Objects
Bulk properties
Position
redshift
Motion
proper motion and radial velocity
doppler shift: radial velocity
Mass
rotation
viral theorem
size, morphology, luminosity, temperature, age...
Composition and components
atomic, molecular
extinction
structure
magnetic field
components: dark matter, central blackhole
Time variation
Distances
trigonometry, actual size/angular size, luminosity
Types of Astronomical Objects
Planets, Stars, ISM/IGM, Galaxies, Universe...
Quantifying Measurements
Noise and errors
uncertainty, bias
systematics, random
SNR
longer exposures
Random Processes
Poisson distribution