VPHAS+ DR4 color (from bands Halpha, u, g, r, i) survey collection
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The VST Photometric Halpha Survey of the Southern Galactic Plane and Bulge (VPHAS+) is surveying the southern Milky Way in u, g, r, i and Halpha at ?1 arcsec angular resolution....
南天银道面与银核VST测光Hα（Halpha）巡天项目（VPHAS+）正以约1角秒的角分辨率，在u波段、g波段、r波段、i波段及Halpha波段对南天银河系开展巡天测光工作……
