I have the H$\alpha$ line flux ($L_{H\alpha}$) of an extragalactic source. To calculate the bolometric luminosity, is there an empirical relation between $L_{H\alpha}$ and $L_{O[III]}$, akin to $L_{O[III]} = xL_{H\alpha}$? Thanks a lot!

  • $\begingroup$ If this question is not appropriate for this forum, please suggest me a suitable one. Any help is really really appreciated! $\endgroup$ – lordparthurnaax Sep 7 at 5:16

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