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Table 1
Contents of the OMC-VAR catalogue.
| Field | Source | Description |
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| IOMC | OMC | OMC Identifier |
| SIMBAD name | SIMBAD | SIMBAD Basic Identifier |
| RA | SIMBAD | Right ascension in sexagesimal units (J2000) |
| DE | SIMBAD | Declination in sexagesimal units (J2000) |
| RAdeg | SIMBAD | Right ascension in degrees (J2000) |
| DEdeg | SIMBAD | Declination (J2000) in degrees (J2000) |
| otype | SIMBAD | SIMBAD object type |
| sptype | SIMBAD | SIMBAD spectral type |
| vartype | VSX | VSX variability type |
| vargroup | VSX, SIMBAD, others | General variability group |
| V mag | OMC | Median V magnitude |
| magerr | OMC | Mean of the magnitude error |
| magMax | OMC | Magnitude at maximum brightness |
| magMin | OMC | Magnitude at minimum brightness |
| per | OMC | Period of variability in days |
| errper | OMC | Uncertainty of the period in days |
| timebase | OMC | Time base of the observations in days |
| tagcont | UCAC3, NOMAD1, SIMBAD, VSX | Tag of contamination |
Notes. Accessible at http://sdc.cab.inta-csic.es/omc/var/ and at CDS services.
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