Hannah Hamilton, Stephen Brossard, Megan Hess Makayla Beauchamp.
About Rigel
The star we are studying is Rigel, Rigel is the left foot of the constellation Orion. The star Rigel is made up of 3 separate stars, they call them Rigel A, B, and C. Two of the stars are white and the other is blue right now. When Rigel A expands it will become a red super giant. All three stars together make up a super giant. Its current grouping the H-r diagram is super giant, its on the 10²solar radi. Rigel is currently ranked the 6th brightest star is the sky.
Temperature
Rigel Currently has a surface temperature of 36,00f and 20,255K.
Magnitude
Rigle has a magnitude of 6.95 and a Absolute Magnitude of 1.34 and a apperent Magnitude of +.18
Luminosity
Rigel has a luminosity of 100,000
How to find Rigel
If you were to walk out your door at midnight during the winter, you have to look in the southern sky to find Rigel. The Easiest way to find it is to look for Orion's belt (the three stars in a row, that makes up the belt of Orion). Rigel is the left foot of the constellation of Orion. Once you find the belt look down to the left about 10º to find the "foot". Another way to find Rigel is to look to the southern sky look up 75º to the Orion constellation. The closet constellation is Lepus.
Picture of night sky showing constellations
Mass
All three of the stars together has a mass of about 20 times larger the our sun
Diameter
Each star has a different diameter. Rigel A has a a diameter of 62 times the sun. Rigel B and C is a diameter of 3.5 times the sun.
Distance
Rigels is 772.88 light years away.
Spectral Classes
Rigels spectral class of B81a meaning its a super giant.