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Observations - Coggle Diagram
Observations
Propoties of Astronomical Objects
Position & motion
redshift
linewidth
mass
gravity and rotation
viral theorem
size/morphology
angular size and distance
unresolved star/planet/orbit
luminosity
flux and distance
temperature
kinetic
effective
excitation and ionization
age
population synthesis
single stars
environment
multiple stars and clusters
galaxy clusters
ISM/IGM
composition
atomic / metallicity
molecular
structure
magnetic field
components
For galaxies
stellar population
ISM / gas + dust
DM
central balckhole
Types of Astronomical Objects
Planets and minor bodies
Stars and compact bodies
ISM/IGM, diffuse matter
Galaxies
Other stuff: CMB, DM, DE
Universe itself
Measurements
distance
trigonometry
angular size to actual size via velocities
luminosity
standard candles
hubble constant
SNR
errors
Uncertainty
bias
systematic
random
Poisson process
Poisson Distribution