The Star-Forming Dwarf Galaxy Populations of two z 0.4 Clusters

@inproceedings{Lotz1999TheSD,
  title={The Star-Forming Dwarf Galaxy Populations of two z 0.4 Clusters},
  author={Jennifer M. Lotz and C. L. Martin and H. C. Ferguson UC Santa Cruz and Johns Hopkins University and U. C. Santa Barbara and Space Telescope Science Institute},
  year={1999}
}
We present the results of a deep narrowband [O II] ?3727 emission line search for faint (g < 27), star-forming galaxies in the field of the z = 0.37 MS 1512.4+3647 cluster. We find no evidence for an overdensity of emission-line sources relative to the field at z ~ 0.4 and therefore conclude that the MS 1512.4+3647 sample is dominated by field [O II] emission line galaxies that lie along the ~180 Mpc line of sight immediately in front of and behind the cluster. This is surprising, given that… 
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