Lesson plan
X1 Centauri
x 1 Centauri is a star located in the constellation Centaurus. Its name is a Bayer designation; it is also known by its designations HD 107832 and HR 4712. The apparent magnitude of the star is about 5.32, meaning it is only visible to the naked eye under excellent viewing conditions. Its distance is about from Earth based on parallax measurements. x 1 Centauri's spectral type is B8/9V, meaning it is a late B-type main sequence star. These types of stars are a few times more massive than the Sun, and have effective temperatures of about 10,000 to 30,000 K. x 1 Centauri is just over 3 times more massive than the Sun and has a temperature of about 11,300 K. The star x 2 Centauri, which lies about 0.4 away from x 1 Centauri, may or may not form a physical binary star system with x 1 Centauri, as the two have similar proper motions and distances.
Article summary
x 1 Centauri is a star located in the constellation Centaurus. Its name is a Bayer designation; it is also known by its designations HD 107832 and HR 4712. The apparent magnitude of the star is about 5.32, meaning it is only visible to the naked eye under excellent viewing conditions. Its distance is about from Earth based on parallax measurements. x 1 Centauri's spectral type is B8/9V, meaning it is a late B-type main sequence star. These types of stars are a few times more massive than the Sun, and have effective temperatures of about 10,000 to 30,000 K. x 1 Centauri is just over 3 times more massive than the Sun and has a temperature of about 11,300 K. The star x 2 Centauri, which lies about 0.4 away from x 1 Centauri, may or may not form a physical binary star system with x 1 Centauri, as the two have similar proper motions and distances.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.