Please enable JavaScript.
Coggle requires JavaScript to display documents.
Quantifying light - Coggle Diagram
Quantifying light
Blackbody Radiation
ideal
SED is only relevant to temperature
Planck Function
Wien Approximation
Rayleigh-Jeans Approximation
Intensity
Steradian
Wien’s Displacement Law
Luminosity
Effective Temperature
Flux
energy flux
Monochromatic Flux
Radio Band
Photon flux
SED
The Magnitude Scale
Modern system
Pogson Scale
Monochromatic Magnitude
Bolometric Magnitude
Absolute Magnitude
m-M=5log(d/10)=5logd-5
10 parsec
Distance Modulus
Surface Brightness
μ=m+2.5logθ
Filter systems
Johnson-Cousins UBVRI sytem
UBV system
earliest
Cousins RI system
Strömgren uvby system
intermediate band
Stellar spectral types
Luminosity Classification
Ia~V
Henry Draper Catalog
OBAFGKM
Hydrogen Absorption Lines
Color Index
photographic magnitude
emulsions
Color Index=m_band_1 - m_band_2
Magnitude zero points
NPS
north hemisphere
Vega
A0 main sequence star
Modern days modification
synthetic colors
spectrophotometric observations