Converting surface brightness units

  • Thread starter Nekoteko
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Homework Statement


Simply want to know how to convert between mag arcsec-2 to solar luminosities per square parsec.


Homework Equations


b2a3e45debddf607fd18dd98cade2102.png

(from wiki)

The Attempt at a Solution


If the surface brightness S (B band) is 27 mag per square arcseconds, then to solve for the brightness in solar luminosities per sq. pc, it'd just be the absolute magnitude of the Sun in the B band + 21.572 - 2.5log(the value I want) = 27 mag arcsec-2? Cause that doesn't work, haha. I'm terrible at conversions. Any suggestions? Thank you.
 
Last edited:

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