Star and Power emit!

[agentsmith1011]

A star has radius R=1.90x10^9 m and surface temperature T=15,200K. How much power does it emit in the range 500 nm < lamda < 510 nm?

[OlderDan]

Please read this first.

http://www.physicsforums.com/showthread.php?t=94379

[agentsmith1011]

I really really tried my best. So can someone help me now?

[OlderDan]

http://hyperphysics.phy-astr.gsu.edu/hbase/quantum/radfrac.html

What is the surface area of the star?

[agentsmith1011]

4*pi()*R^2...But I wish it is pi()*R^2

[OlderDan]

4*pi()*R^2...But I wish it is pi()*R^2
It is what it is. Can you use the information from the link I posted, or your text, and the surface area of the star to find the answer?

[agentsmith1011]

yea, thanks.