a The SDSS catalogue seems to contain a wrong value of the r-SDSS
magnitude of the D star (
= 15.674), so the D star would be fainter than the E star in
this band. This disagrees with our current LT observations and several previous observations in
the red region of the optical spectrum. Thus, the r-SDSS magnitude is inferred through the
vs. VR relationship:
.
This law is based on the
r-SDSS magnitudes of the rest of stars and the corresponding VR magnitudes in Tables 1, 2 of
Ovaldsen et al. (2003b).
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