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6. Figure 1 is an excerpt of the evolution of both components of a binary star (that is, there are missing phases, do not let that distract you). For each phase (A-G), explain what is going on in 1-2 sentences. To do so, focus on the columns that show the evolution time, the masses for each star, the stellar types for each star, the "what's happening?" and the pictorial representation of the binary. Your explanation cannot just a paraphrase of the "what's happening?" column.

6. Figure 1 is an excerpt of the evolution of both components of a binary star (that is, there are missing phases, do not let that distract you). For each phase (A-G), explain what is going on in 1-2 sentences. To do so, focus on the columns that show the evolution time, the masses for each star, the stellar types for each star, the "what's happening?" and the pictorial representation of the binary. Your explanation cannot just a paraphrase of the "what's happening?" column.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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6. A C D E B 12.1376 15.508 LL F Figure 1 is an excerpt of the evolution of both components of a binary star (that is, there are missing phases, do not let that distract you). For each phase (A-G), explain what is going on in 1-2 sentences. To do so, focus on the columns that show the evolution time, the masses for each star, the stellar types for each star, the "what's happening?" and the pictorial representation of the binary. Your explanation cannot just a paraphrase of the "what's happening?" column. G Evolution Star I mass Star 2 mass Time (M₂) (Mo) (Myr) 0.0000 12.1492 15.488 13.3297 5.236 13.3891 1.503 16.000 19.8877 1.503 19.9555 1.503 (uns / ០015o| 5.2 5.1 5.0 4.9 4.8 4.7 4.6 4.5 4.4 4.3 4.2 4.5 12.000 11.935 11.938 12.374 12.465 11.564 1.408 Star I type Main Sequence Core Helium Burning Core Helium Burning Glant Branch Naked Helium star Neutron Star Neutron Star Neutron Star Star 2 type Main Sequence Main Sequence 1019.9 Main Sequence Main Sequence 1020 Main Sequence Separation (R) 1000.5 Neutron Star 4.2 41.721 Early Asymptotic 53.104 Giant Branch -53.104 -53.104 Star I Period Eccentricity R/R 693.140.00 720.60 0.00 720.93 0.00 7.44 0.00 -1.00 -1.00 -1.00 4.0 log10(Teff0/K) Star 2 What's happening? R/R 0.013 0.012 Hydrogen ignition 0.717 0.018 Begin Symbiotic 1.000 0.018 Begin Roche Lobe Overflow 26.1160.378 Invert Mass Ratio 0.398 Stellar Type Change Figure 1: Summary of binary evolution Stellar Type Change Mers(5)=0.799477 3.8 3.6 4100 24 3.5
Transcribed Image Text:6. A C D E B 12.1376 15.508 LL F Figure 1 is an excerpt of the evolution of both components of a binary star (that is, there are missing phases, do not let that distract you). For each phase (A-G), explain what is going on in 1-2 sentences. To do so, focus on the columns that show the evolution time, the masses for each star, the stellar types for each star, the "what's happening?" and the pictorial representation of the binary. Your explanation cannot just a paraphrase of the "what's happening?" column. G Evolution Star I mass Star 2 mass Time (M₂) (Mo) (Myr) 0.0000 12.1492 15.488 13.3297 5.236 13.3891 1.503 16.000 19.8877 1.503 19.9555 1.503 (uns / ០015o| 5.2 5.1 5.0 4.9 4.8 4.7 4.6 4.5 4.4 4.3 4.2 4.5 12.000 11.935 11.938 12.374 12.465 11.564 1.408 Star I type Main Sequence Core Helium Burning Core Helium Burning Glant Branch Naked Helium star Neutron Star Neutron Star Neutron Star Star 2 type Main Sequence Main Sequence 1019.9 Main Sequence Main Sequence 1020 Main Sequence Separation (R) 1000.5 Neutron Star 4.2 41.721 Early Asymptotic 53.104 Giant Branch -53.104 -53.104 Star I Period Eccentricity R/R 693.140.00 720.60 0.00 720.93 0.00 7.44 0.00 -1.00 -1.00 -1.00 4.0 log10(Teff0/K) Star 2 What's happening? R/R 0.013 0.012 Hydrogen ignition 0.717 0.018 Begin Symbiotic 1.000 0.018 Begin Roche Lobe Overflow 26.1160.378 Invert Mass Ratio 0.398 Stellar Type Change Figure 1: Summary of binary evolution Stellar Type Change Mers(5)=0.799477 3.8 3.6 4100 24 3.5
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