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The MDW Hα Sky Survey: Data Release 1

  • Authors: Noor Aftab, Xunhe (Andrew) Zhang, Sean Walker, Dennis di Cicco, David R. Mittelman, Sanya Gupta, Andrew K. Saydjari, Mary Putman, David Schiminovich

Noor Aftab et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 8.

The spatial distribution of match distances between extracted DR1 sources and the Pan-STARRS1 DR1 catalog, binned by the median match distance. We eliminate the “bullseye” pattern seen in Figure 6 of N. Aftab et al. (2024) and increase our astrometric accuracy, as illustrated by the smaller range of values in the colorbar (up to 2﹩\mathop{.}\limits^{\unicode{x02033}}﹩5 in DR0 versus 0﹩\mathop{.}\limits^{\unicode{x02033}}﹩9 in DR1).

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