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Table 2

CALIFA FITS file structure.

HDU Extension name Format Content

0 Primary 32-bit float Flux density in units of 10-16 erg s-1 cm-2 Å-1
1 ERROR 32-bit float 1σ error on the flux density
2 ERRWEIGHT 32-bit float Error weighting factor
3 BADPIX 8-bit integer Bad pixel flags (1 = bad, 0 = good)
4 FIBCOVER 8-bit integer Number of fibers used to fill each spaxel

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