Symbols:Greek/Alpha/Right Ascension

Right Ascension

$\alpha$

Used to denote the right ascension of a point on the celestial sphere.

Let $P$ be a point on the celestial sphere.

The right ascension of $P$ is the angular distance measured eastwards along the celestial equator from the vernal equinox

The $\LaTeX$ code for \(\alpha\) is \alpha .

Sources

• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): equatorial coordinate system
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): equatorial coordinate system