The VVV NIRGC contains the following columns:

Identification 
Right Ascension (J2000) [h:m:s]
Declination (J2000) [d:m:s]
Galactic longitude [degrees] 
Galactic latitude [degrees]  
AKs interstellar extinction [mag]
Total extinction corrected J magnitude [mag]
Total extinction corrected H magnitude [mag]
Total extinction corrected Ks magnitude [mag]
Extinction corrected J aperture magnitude within a fixed aperture of 2 arcsec diameter [mag]
Extinction corrected H aperture magnitude within a fixed aperture of 2 arcsec diameter [mag]
Extinction corrected Ks aperture magnitude within a fixed aperture of 2 arcsec diameter [mag]
Half-light radius, R1/2 [arcsec] 
Concentration index, C 
Ellipticity 
Spheroid Sersic index, n
WISE flag