SLA_EG50 - B1950 $\alpha,\delta$ to Galactic

ACTION:

Transformation from B1950.0 FK4 equatorial coordinates to IAU 1958 galactic coordinates.

CALL:

CALL sla_EG50 (DR, DD, DL, DB)

GIVEN:

$$[\,\alpha,\delta\,]$$ DR,DD

RETURNED:

$$[\,l^{I\!I},b^{I\!I}\,]$$ DL,DB

NOTE:

The equatorial coordinates are B1950.0 FK4. Use the routine sla_EQGAL if conversion from J2000.0 FK5 coordinates is required.

REFERENCE:

Blaauw et al., 1960, Mon.Not.R.astr.Soc., 121, 123.