The MUSE-Wide survey: a measurement of the Ly α emitting fraction among z > 3 galaxies

被引：35

作者：

Caruana, Joseph ^{[1
,2
,3
]}

Wisotzki, Lutz ^{[3
]}

Herenz, Edmund Christian ^{[4
]}

Kerutt, Josephine ^{[3
]}

Urrutia, Tanya ^{[3
]}

Schmidt, Kasper Borello ^{[3
,5
]}

Bouwens, Rychard ^{[5
]}

Brinchmann, Jarle ^{[5
,6
]}

Cantalupo, Sebastiano ^{[7
]}

Carollo, Marcella ^{[7
]}

Diener, Catrina ^{[8
]}

Drake, Alyssa ^{[9
]}

Garel, Thibault ^{[9
]}

Marino, Raffaella Anna ^{[7
]}

Richard, Johan ^{[9
]}

Saust, Rikke ^{[3
]}

Schaye, Joop ^{[5
]}

Verhamme, Anne ^{[9
]}

机构：

[1] Univ Malta, Dept Phys, MSD-2080 Msida, Malta

[2] Univ Malta, Inst Space Sci & Astron, MSD-2080 Msida, Malta

[3] Leibniz Inst Astrophys, Sternwarte 16, D-14482 Potsdam, Germany

[4] Stockholm Univ, Dept Astron, AlbaNova Univ Ctr, SE-10691 Stockholm, Sweden

[5] Leiden Univ, Leiden Observ, POB 9513, NL-2300 RA Leiden, Netherlands

[6] Univ Porto, Inst Astrofis & Ciencias Espaco, CAUP, Rua Estrelas, P-4150762 Oporto, Portugal

[7] ETH, Inst Astron, HIT J31-5,Wolfgang Pauli Str 27, CH-8093 Zurich, Switzerland

[8] Inst Astron, Madingley Rd, Cambridge CB3 0HA, England

[9] Univ Lyon 1, Ens Lyon, CNRS, Ctr Rech Astrophys Lyon,UMR5574, F-69230 St Genis Laval, France

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2018年 / 473卷 / 01期

基金：

欧洲研究理事会; 瑞士国家科学基金会;

关键词：

galaxies: high-redshift; galaxies: star formation; galaxies: statistics; LYMAN-ALPHA; SPECTROSCOPY; EMITTERS; LUMINOSITY;

D O I：

10.1093/mnras/stx2307

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a measurement of the fraction of Lyman alpha (Ly alpha) emitters (XLy alpha) amongst HST continuum-selected galaxies at 3 < z < 6 with the Multi-Unit Spectroscopic Explorer (MUSE) on the VLT. Making use of the first 24 MUSE-Wide pointings in GOODS-South, each having an integration time of 1 h, we detect 100 Ly alpha emitters and find X-Ly alpha greater than or similar to 0.5 for most of the redshift range covered, with 29 per cent of the Ly alpha sample exhibiting rest equivalent widths (rest-EWs) <= 15 angstrom. Adopting a range of rest-EW cuts (0-75 angstrom), we find no evidence of a dependence of X-Ly alpha on either redshift or ultraviolet luminosity.

引用

页码：30 / 37

页数：8

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