期刊
ASTRONOMICAL JOURNAL
卷 120, 期 5, 页码 2331-2337出版社
IOP PUBLISHING LTD
DOI: 10.1086/316827
关键词
galaxies : clusters : general; galaxies : distances and redshifts; infrared radiation; large-scale structure of universe
We present evidence for a significant overdensity of red galaxies, as much as a factor of 14 over comparable field samples, in the held of the z = 1.47 radio galaxy B3 0003 + 387. The colors and luminosities of the brightest red galaxies are consistent with their being at z > 0.8. The radio galaxy and one of the red galaxies are separated by 5 and show some evidence of a possible interaction. However, the red galaxies do not show any strong clustering around the radio galaxy or around any of the brighter red galaxies. The data suggest that we are looking at a wall or sheet of galaxies, possibly associated with the radio galaxy at z = 1.47. Spectroscopic redshifts of these red galaxies will be necessary to confirm this large-scale structure.
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