Table 1.
Details of the MUSE HUDF LAE subsamples and emission-line EWs measured from the stacked spectra.
| No. | Subsamples | # of LAE | He IIλ1640 | O III]λ1666 | [Si III]λ1883 | [C III]λ1907 | C III]λ1909 |
|---|---|---|---|---|---|---|---|
| 00 | all LAEs | 220 | 0.91 ± 0.26 | 1.13 ± 0.26 | 0.95 ± 0.32 | 2.53 ± 0.41 | 1.43 ± 0.39 |
| 01 | z ≤ 3.6 | 110 | < 1.27 | 1.08 ± 0.37 | < 1.28 | 3.68 ± 0.93 | < 1.53 |
| 02 | z > 3.6 | 110 | < 2.09 | 1.26 ± 0.50 | – | < 2.78 | < 1.50 |
| 03 | log10(LLyα/(erg s−1)) ≤ 42.05 | 110 | – | < 1.86 | < 1.18 | 4.85 ± 1.40 | < 1.67 |
| 04 | log10(LLyα/(erg s−1)) > 42.05 | 110 | 1.30 ± 0.45 | 1.24 ± 0.39 | < 1.07 | 1.51 ± 0.46 | 1.52 ± 0.55 |
| 05 | log10(FLyα/(erg s−1 cm−2)) ≤ −17.02 | 110 | – | < 1.79 | < 1.60 | 4.48 ± 1.25 | < 1.18 |
| 06 | log10(FLyα/(erg s−1 cm−2)) > −17.02 | 110 | 1.31 ± 0.44 | 1.17 ± 0.38 | < 1.20 | 3.19 ± 1.07 | < 1.66 |
| 07 | FWHMLyα ≤ 271 km s−1 | 99 | – | 2.49 ± 0.69 | – | 3.18 ± 0.87 | < 3.53 |
| 08 | FWHMLyα > 271 km s−1 | 99 | < 1.06 | < 0.76 | < 1.44 | 1.92 ± 0.65 | < 1.46 |
| 09 | EWLyα[Å] ≤ 97.2 | 102 | < 1.38 | < 1.50 | < 1.05 | 2.58 ± 0.72 | < 1.04 |
| 10 | EWLyα[Å] > 97.2 | 102 | < 2.63 | 2.23 ± 0.73 | < 1.70 | 5.32 ± 1.64 | < 3.23 |
| 11 | MUV ≤ −17.9 | 102 | 1.22 ± 0.39 | 0.65 ± 0.24 | < 0.65 | 1.71 ± 0.40 | 1.01 ± 0.39 |
| 12 | MUV > −17.9 | 102 | – | 2.25 ± 0.78 | – | 6.96 ± 2.28 | < 3.29 |
| 13 | β ≤ −1.79 | 102 | 1.03 ± 0.39 | 1.40 ± 0.43 | < 1.27 | 4.36 ± 1.39 | 2.44 ± 0.98 |
| 14 | β > −1.79 | 102 | < 2.12 | < 0.87 | – | 2.53 ± 0.87 | < 0.81 |
| 15 | M⋆ [M⊙] ≤108.4 | 111 | < 2.85 | 1.94 ± 0.71 | – | 6.20 ± 1.83 | < 3.40 |
| 16 | M⋆ [M⊙] > 108.4 | 109 | 1.01 ± 0.39 | 1.06 ± 0.38 | < 0.66 | 2.76 ± 0.85 | < 1.17 |
| 17 | log10(SFR/(M⊙/yr)) ≤ − 0.25 | 110 | < 0.90 | 2.51 ± 0.82 | – | 6.64 ± 2.04 | < 2.47 |
| 18 | log10(SFR/(M⊙/yr)) > − 0.25 | 110 | 1.21 ± 0.42 | 1.03 ± 0.38 | < 0.7 | 1.61 ± 0.42 | < 0.76 |
| 19 | log10(sSFR/yr−1) ≤ − 8.5 | 94 | < 0.92 | 0.89 ± 0.34 | < 0.65 | 2.70 ± 0.85 | 1.20 ± 0.52 |
| 20 | log10(sSFR/yr−1) > − 8.5 | 126 | < 1.40 | 1.56 ± 0.61 | < 0.61 | 3.84 ± 1.44 | – |
Notes. Columns, from left to right: reference number of the stacked spectra, binning criterion of the LAE subsample, number of LAEs in each subsample, EW values or 1-σ upper limits of He II, O III]λ1666, [Si III]λ1883, [C III]λ1907, and C III]λ1909 lines. All EWs are rest frames and in Å.
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