Apparent axis ratio: logr25

logr25 is the axis ratio of the isophote 25 mag/arcsec2 in the  B-band for galaxies (decimal logarithm of the ratio of the lengths of major to minor axes).

The length of the major axis is defined in the parameter logd25, and its orientation on the sky in the parameter pa.

logr25 is available for 934041 objects (May 2003 version of the database).

HyperLeda Questions: