The Bochum Survey of the Southern Galactic Disk: III. Complete Data Release

Abstract

The Southern Galactic Disk Survey (GDS) monitored a mosaic of 268 fields along a $6^{\circ }$-wide stripe in the southern Galactic disk with simultaneous observations in $r^{\prime }$ and $i^{\prime }$ ($7^{\mathrm{m}}\lesssim r^{\prime },i^{\prime }\lesssim 18^{\mathrm{m}}$) from September 2010 to September 2019. The survey design and data characteristics, as well as first results in $r^{\prime }{i}^{\prime }$, were presented by Haas et al. (2012; Paper I). Hackstein et al. (2015a; Paper II) extended the photometry and analysis process, and introduced the first catalogue including photometry of all 268 fields in $UBV{r}^{\prime }{i}^{\prime }{z}^{\prime }$ and $r^{\prime }{i}^{\prime }$ light curves comprising up to 272 observations per field made between September 2010 and May 2015. Here we describe our custom-made observational scheduler and conclude the GDS with $r^{\prime }{i}^{\prime }$ light curves of up to 407 observations per field until September 2019 and $UBV{z}^{\prime }$ light curves for a fraction of the fields. $113449$ distinct sources are identified as variables. Together with Paper II, we identified $77592$ variables that are not listed in either the International Variable Star Index (VSX) or the cross-match catalogue by Gavras et al. (2023). All emerging catalogues, comprising light curves, photometry, and reduced images, are made publicly available via the German Astrophysical Virtual Observatory (GAVO).

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