Symbols:R/Right Ascension

Right Ascension

$\mathrm {RA}$

Used as an abbreviation and 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 \(\mathrm {RA}\) is \mathrm {RA} .

Sources

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