2 Deline what is an absorption line. Draw an example 3. What is the wavelength range you are analyzing? (1 A-10 mm) From

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2 Deline What Is An Absorption Line Draw An Example 3 What Is The Wavelength Range You Are Analyzing 1 A 10 Mm From 1 (46.64 KiB) Viewed 22 times

2 Deline what is an absorption line. Draw an example 3. What is the wavelength range you are analyzing? (1 A-10 mm) From nm to 4. Choose the highest intensity point on the continuum of HD 124320 and record its wavelength and intensity below: Wavelength Intensity 5. Measure the wavelength and intensity of the deepest point of the deepest absorption line in the spectrum of HD 124320 Wavelength Intensity Note that spectrum you see here, which is typical of those used for spectral classification does not cover the entire range of visible wavelengths, but only a limited portion 6. If you were to look at this range of wavelengths with your eyes, what color would the star appear? 2 - Spectral Type Find the spectral type of HD 124320 by comparing its spectrum with spectra of known star types. Call up the comparison star atlas by selecting File ... Atlas of standard spectra option. A window will open up, displaying numerous choices. Click on Main sequence, the atlas at the top of the list, to select it. Click OK to load the atlas. The 13 spectra in the Atlas will come up. You can look at the entire set by moving the scrollbar to the right of the atlas window. Do this, and note that a sequence of representative types, scanning the range from the hottest to the coolest are shown. The different spectral types that are included in the atlas include both the letter of the class and the number of the decimal tenth of a class (e.g. G2, ...). You can ignore the Roman numeral "V" at the end of the spectral type. Each spectral type (the letter) is broken into several segments (the number): GO, GI, GI, G3, ... to GIO.