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Table 4

Definition of CALIFA DR2 quality control flags for the V500 data.

QC flag QC parameters involved warning condition(s) bad condition(s) Flag definition

flag_obs_am obs_airmass_mean > 1.7 > 2.0 Worst of the three parameters
obs_airmass_max > 2.0 > 2.5
obs_airmass_rms > 0.15 ...

flag_obs_skymag obs_skymag_mean < 20.5 magV arcsec-2 <19.5 Worst of the two parameters
obs_skymag_rms > 0.1 ...

flag_obs_ext obs_ext_mean >0.30 mag ... Worst of the three parameters
obs_ext_max > 0.35 ...
obs_ext_rms > 0.10 ...

flag_red_straylight red_meanstraylight_max >30 counts > 50 Worst of the three parameters
red_maxstraylight_max > 50 > 100
red_rmsstraylight_max > 5 > 10

flag_red_disp red_disp_mean >5.5 Å (FWHM) ... Worst of the three parameters
red_disp_max > 10.0 ...
red_disp_rms > 0.5 > 1.0

flag_red_cdisp red_cdisp_mean >3.0 pixels (FWHM) ... Worst of the three parameters
red_cdisp_max 4.0 ...
red_cdisp_rms > 0.25 ...

flag_red_skylines red_res5577_min <−0.1 counts ... Worst of the three parameters
red_res5577_max > 0.1 ...
red_rmsres5577_max > 1.0 ...

flag_red_limsb red_limsb < 23.25 magV arcsec-2 < 22.50

flag_cal_specphoto cal_qflux_g >0.06 dex >0.097 dex Worst of the three parameters
<−0.06 dex <−0.097 dex combined with visual checks
cal_qflux_r >0.06 dex >0.097 dex of the 30′′-integrated spectrum:
<−0.06 dex <−0.097 dex spectral shape and comparison
cal_qflux_rms > 0.1 > 0.2 with SDSS photometry

flag_cal_wl cal_rmsvelmean > 2.0 km s-1 > 5.0

flag_cal_ima cal_chi2reg_max > 10 ... Combined parameter and visual
inspection of registration and
synthetic broadband image

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