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Two stars have the same apparent magnitude, my = 14, but Star A has a parallax of 0.060 arc seconds and Star B has a parallax of 0.040 arc seconds. Which star is farther from Earth? What are their distances (in pc)? What are their absolute magnitudes? Which star is more massive? Part 1 of 4 Which star is farther from Earth? Using the parallax equation we see that the distance is inversely related to the parallax by: 1 dpc Parc seconds Which star has the smaller parallax? O Star A O Star B

Two stars have the same apparent magnitude, my = 14, but Star A has a parallax of 0.060 arc seconds and Star B has a parallax of 0.040 arc seconds. Which star is farther from Earth? What are their distances (in pc)? What are their absolute magnitudes? Which star is more massive? Part 1 of 4 Which star is farther from Earth? Using the parallax equation we see that the distance is inversely related to the parallax by: 1 dpc Parc seconds Which star has the smaller parallax? O Star A O Star B

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Tutorial Two stars have the same apparent magnitude, my = 14, but Star A has a parallax of 0.060 arc seconds and Star B has a parallax of 0.040 arc seconds. Which star is farther from Earth? What are their distances (in pc)? What are their absolute magnitudes? Which star is more massive? Part 1 of 4 Which star is farther from Earth? Using the parallax equation we see that the distance is inversely related to the parallax by: 1 Parc seconds d pc Which star has the smaller parallax? O Star A O Star B
Transcribed Image Text:Tutorial Two stars have the same apparent magnitude, my = 14, but Star A has a parallax of 0.060 arc seconds and Star B has a parallax of 0.040 arc seconds. Which star is farther from Earth? What are their distances (in pc)? What are their absolute magnitudes? Which star is more massive? Part 1 of 4 Which star is farther from Earth? Using the parallax equation we see that the distance is inversely related to the parallax by: 1 Parc seconds d pc Which star has the smaller parallax? O Star A O Star B
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We can use the parallax equation to determine the distances (in pc) to the stars. 1 dA = dA dB dB = = = arc seconds pc 1 arc seconds рс
Transcribed Image Text:We can use the parallax equation to determine the distances (in pc) to the stars. 1 dA = dA dB dB = = = arc seconds pc 1 arc seconds рс
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