Homework Help: Star and Power emit!

1. Oct 11, 2006

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?

2. Oct 11, 2006

OlderDan

3. Oct 13, 2006

agentsmith1011

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

4. Oct 13, 2006

OlderDan

5. Oct 13, 2006

agentsmith1011

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

6. Oct 13, 2006

OlderDan

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?

7. Oct 22, 2006

agentsmith1011

yea, thanks.

Binary system of stars ($\alpha$ - centauri) Mar 10, 2018