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Flashcards in Vocabulary Deck (6)
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1

1 Parsec equals how many light years?

3.261 light years

2

M represents

Absolute magnitude

3

m represents

apparent magnitude

4

The measurement of stellar positions, yields, parallaxes, and proper motion is called:

Astrometry

5

The measurement of the quantity of light received at all wavelengths. Gives apparent magnitude, color, and variability of stellar brightness.

Photometry

6

The dispersion of light into its component colors to determine the stellar energy distribution as a function of wavelength. Produces spectral types, luminosity classes, and Doppler shifts.

Spectroscopy