Symbols:A/Astronomical Unit

Astronomical Unit

$\mathrm {AU}$ or $\mathrm {au}$

The symbol for the astronomical unit is $\mathrm {AU}$ or $\mathrm {au}$.

The $\LaTeX$ code for \(\mathrm {AU}\) is \mathrm {AU} .

The $\LaTeX$ code for \(\mathrm {au}\) is \mathrm {au} .

Variant

$\mathrm {ua}$

A symbol for the astronomical unit that was recommended in $2006$ was $\mathrm {ua}$, from the French unité astronomique, but this recommendation was subsequently withdrawn.

The $\LaTeX$ code for \(\mathrm {ua}\) is \mathrm {ua} .

Sources

• 1964: Milton Abramowitz and Irene A. Stegun: Handbook of Mathematical Functions ... (previous) ... (next): $2$. Physical Constants and Conversion Factors: Table $2.4$ Miscellaneous Conversion Factors
• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): astronomical unit
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): astronomical unit