SDSS_DR10.Filament table (restricted)

ColumnTypeUCDUnitDescription
scaledecimal(2,1)stat.paramscale (radius) of a filament
filidintmeta.id
meta.main
unique identification number for a filament
npointsintmeta.numbernumber of points in the filament with a spacing
lendoublephys.sizeMpc/hfilament length, measured along the filament from point to point
ngal1intmeta.numbernumber of galaxies in the filament that are closer than 0.5 h-1 Mpc to filament axis
ngal2intmeta.numbernumber of galaxies in the filament that are closer than 1.0 h-1 Mpc to filament axis
lum1doublephys.luminosity10+10Lsun/h2luminosity of the filament: the sum of luminosities of observed galaxies that are closer than 0.5 h-1 Mpc to filament axis
lum2doublephys.luminosity10+10Lsun/h2luminosity of the filament: the sum of luminosities of observed galaxies that are closer than 1.0 h-1 Mpc to filament axis
xmindoublepos.cartesian.xfilament minimum coordinate in x axis
ymindoublepos.cartesian.yfilament minimum coordinate in y axis
zmindoublepos.cartesian.zfilament minimum coordinate in z axis
xlendoublephys.sizeMpc/hfilament range in x axis
ylendoublephys.sizeMpc/hfilament range in y axis
zlendoublephys.sizeMpc/hfilament range in z axis