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7 terms

VOCAB ch. 7: Photometry and Spectroscopy

ch. 7: Photometry and Spectroscopy
STUDY
PLAY
photometry
brightness of source is measured through each of a set of standard filters
spectroscopy
splits light source into components of light
ground state
the lowest energy state an electron can have w/o an atom
balmer series
transmissions from the 2nd energy level up-only transistions at visible wavelengths
spectral type
order stellar spectra by type (0-9)
magnitude
1 brightest, 6 faintest
color index
color gives an estimate of the temp