Logarithmic abundances in VOUnits

[alberto micol]

Dear Semantics,

I have a user that is asking which units should be used for logarithmic abundances relative to the sun;
He is suggesting:

	log(Sun)

At first I was surprise, but reading the VOUnit standard (*) I think he is right.
Do you confirm?

(*) The VOUnit standard v1.1 Table 5 states: "Sun (relative to the Sun, e.g. abundances)" 

Many thanks,
Alberto


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