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Arcturus Star Story Presentation
8
Arcturus
Star
Story
By Madison Scott
Star Overview
Overview
Size Comparison
Arcturus is a red giant star that is 25 times the size of our sun.
Size Comparison
Bootes Constellation
Constellation Information
Bootes
Quick Facts
Bootes is the 13th largest constellation in the night sky.
Contains stars Arcturus, Nekkar, Seginus, Izar, Muphrid, Alkalurops, Merga, Nadlat, and Tau Bootis.
Folklore
Bootes Folklore
In the Greek language, Bootes means "the ploughman".
According to myth, Bootes was a farmer in ancient Greece. He was tasked with the backbreaking job of digging up the field to make room for crops. However, Bootes knew that there must be a better way to do this, so he stayed up after an exhausting day and designed the invention he had in mind. The next morning, he set out with his new invention, the wagon and plow. The people, seeing the speed and efficiency with which he was able to complete this task, lined up for miles to buy the invention. He was placed in the stars to immortalize his cleverness and ingenuity.
Star Facts
Apparent Magnitude: -0.04
Absolute Magnitude: -0.30
Radius: 25.4 times the radius of the Sun
Color: red/orange
Surface Temperature: 4,286 Kelvin
Age: approx. 7.1 billion years
Life Stage: It's exact evolutionary stage is uncertain, but according to the available data we can conclude that Arcturus has entered the "Giant" stage.
Star Facts
Location
Distance from Earth: 36.7
Coordinates: RA 14h 15m 40s | Dec +19° 10′ 56″
In Sky: Arcturus is visible in the Northern Hemisphere, and can be found by taking the "arc to Arcturus", that is, following the Dipper's three handle stars.
Location
Hertzprung-Russell
Hertsprung
Russell
Classification
According to the Hertsprung-Russell Model, Arcturus is a Red Giant.
Classification
Sources
Information Resources
Information
https://ui.adsabs.harvard.edu/abs/1988iue..prop.3036A/abstract
https://earthsky.org/brightest-stars/bright-orange-arcturus-use-the-big-dipper-to-find-it/#:~:text=Arcturus%20is%20roughly%2025%20times%20greater%20in%20diameter%20than%20our,the%20light%20of%20our%20sun.
https://www.globeatnight.org/mythology/bootes
https://theplanets.org/constellations/bootes-constellation/#:~:text=Bo%C3%B6tes%20is%20the%2013th%20largest,7.36%C2%B0%20to%20%2B55.1%C2%B0.
https://www.researchgate.net/figure/Approximate-position-of-the-chemically-peculiar-CP-stars-on-Hertzsprung-Russell-diagram_fig1_285930709
https://www.constellation-guide.com/arcturus/
https://www.star-facts.com/arcturus/
https://skyandtelescope.org/astronomy-news/meet-arcturus-guardian/
Photo Resources
Photos
https://science.howstuffworks.com/arcturus.htm
https://www.kold.com/story/30262407/look-for-the-giant-star-arcturus-on-october-evenings/
https://www.researchgate.net/figure/Approximate-position-of-the-chemically-peculiar-CP-stars-on-Hertzsprung-Russell-diagram_fig1_285930709
https://stellaruniverse.weebly.com/arcturus.html