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Paper: Near Infrared Photometry of Lyman-α Emitters at z = 3.1 and 3.7 in the Subaru/XMM-Newton Deep Field
Volume: 399, Panoramic Views of Galaxy Formation and Evolution
Page: 294
Authors: Ono, Y.; Shimasaku, K.; Ouchi, M.; Yoshida, M.; Akiyama, M.; Okamura, S.
Abstract: We examine rest-frame far ultraviolet (FUV) (1500Å) to optical (V) spectral energy distributions for Lyman-α emitters (LAEs) at z = 3.1 and 3.7 in a 1.22 deg2 area of the Subaru/XMM-Newton Deep Field (SXDF), using multicolor data from the SXDS project (BV Riz) and the UKIDSS/UDS (JK). About 4% of our LAEs are detected in K, i.e., brighter than the 3σ magnitude (K = 24.0). We find that while the majority of the K-detected LAEs have a similar M1500MV vs M1500 distribution to LBGs, a few have much redder M1500MV colors indicative of evolved and/or dusty stellar populations. In addition, a stacking analysis of K-undetected LAEs reveals that the vast majority of our LAEs are lower-mass counterparts to LBGs with similar colors.
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