Bright -10 -5 0 Absolute Magnitude 5 Main Sequence Stars Sun 10 Dim 15 O B A F G K M HOT Spectral Type COOL Below is a table giving both the apparent magnitude and spectral type for five main sequence stars. For each star do the following: 6. Using the above H-R diagram, mark the location of each star in the table placing its spectral type on the main sequence. Label each star plotted on the H-R diagram and estimate the absolute magnitude. Write your answer in the absolute magnitude column of the table below. 7. Complete the distance column in the table below by classifying each star as being closer, slightly farther, or much farther than 10 parsecs away. This procedure called spectroscopic parallax provides astronomers with another way to measure the distance to the stars. Star Apparent Magnitude Spectral Type Absolute Magnitude Distance Estimated Rigel Kentaurus 0.0 G2 Vega 0.04 A0 Rigel B 6.6 B9 Archernar 0.5 B3 Tau Scorpius 2.8 B0
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- Rigel Kentaurus: G2 - Vega: A0 - Rigel B: B9 - Archenar: B3 - Tau Scorpius: B0 Show more…
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