Astronomical spectroscopy

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Astronomical spectroscopy

Spectroscopy equipment

Components

Light observation component

Optical sensor (camera sensor)

Photometer

Simple viewing hole

Light isolation mechanism

Fibre-optic cables

Hole

Slit

Light-dispersing component

Glass prism

Diffraction grating

Types

Spectrometers

Spectroscopes

Spectral analysis

Analyzing spectra for stellar properties

Peak intensity wavelength

Temperature of celestial object

Wien's displacement

Spectral lines

Doppler shift using spectral line offsets

Composition of stellar atmospheres

Capturing spectrum data for analysis

Spectral modeling

Planck's law

Other approximations

Rayleigh-Jean's law

Ultraviolet catastrophe

Wien's approximation