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Unformatted text preview: 3. Single ionized calcium lines are strongest. 4. Ca II has a very conspicuous spectrum which is easily recognizable. 5. Ca II spectrum has two lines, all are H K lines. 6. Polaris and Canopus are Type F. Type G 1. Temperature is 5,000˚ to 6,000˚k. 2. Yellowish in color. 3. The peak of the spectra fall in the yellowish/green part of the spectrum. 4. The H, K lines are the strongest in the spectrum. 5. Type G stars have stronger H, K lines than any other type. 6. Sol and Alpha Centauri Type G. Type K 1. Temperature is 3,500˚ to 5,000˚k. 2. The spectra line comes mostly from neutral metals. 3. Has many spectra lines in common with the hottest stars. 4. Arctarus and Aldebaran are type K. Type M 1. Temperature is less than 3500˚k. 2. Looks reddish. 3. Spectrum shows many molecule lines. 4. The Titanium oxide line is very numerous. 5. Betelgeuse (Red Giant) is a Type M....
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- Fall '10
- Biology, class a, Stellar classification, Rigel