Distant compact groups from DPOSS
收藏B2FIND2026-04-04 收录
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https://b2find.eudat.eu/dataset/517f995d-0f15-528f-814a-79e422c91bb2
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We have identified 84 small, high-density groups of galaxies out to z~0.2 in a region of 2000deg^2^ around the north Galactic pole using the digitized Second Palomar Observatory...
