Analysis of representing data for stars from the GTSh10 catalogue in SIMBAD
We present an analysis of data on stellar magnitudes of objects from the GTSh10 catalogue in the SIMBAD database. To eliminate ambiguity about the state of brightness, a comparison of stellar magnitudes from SIMBAD and NOMAD, SDSS and VSX catalogues is carried out. It is shown that for some objects in SIMBAD stellar magnitudes are presented in a state of high activity (possibly flare). The detected inconsistencies must be taken into account when planning original observations and comparing the GTSh10 data with the newly appearing surveys of the sky.
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