J/ApJ/903/4ivo://CDS.VizieR/J/ApJ/903/4doi:10.26093/cds/vizier.19030004CDSNing Y.Jiang L.Zheng Z.-Y.Wu J.Bian F.Egami E.Fan X.HoL.C.Shen Y.Wang R.Wu X.-B.2023-08-16T15:31:14Z2022-02-09T07:43:34ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frgalaxiesredshiftedinfrared-astronomyspectroscopyWe present a spectroscopic survey of Ly{alpha} emitters (LAEs) at z~5.7 using the multiobject spectrograph M2FS on the Magellan Clay telescope. This is part of a high-redshift galaxy survey carried out in several well-studied deep fields. These fields have deep images in multiple UV/optical bands, including a narrow NB816 band that has allowed an efficient selection of LAE candidates at z~5.7. Our sample consists of 260 LAEs and covers a total effective area of more than 2deg^2^ on the sky. This is so far the largest (spectroscopically confirmed) sample of LAEs at this redshift. We use the secure redshifts and narrowband photometry to measure Ly{alpha} luminosities. We find that these LAEs span a Ly{alpha} luminosity range of ~2x10^42^-5x10^43^erg/s and include some of the most luminous galaxies known at z>=5.7 in terms of Ly{alpha} luminosity. Most of them have rest-frame equivalent widths between 20 and 300{AA}, and more luminous Ly{alpha} emission lines tend to have broader line widths. We detect a clear offset of ~20{AA} between the observed Ly{alpha} wavelength distribution and the NB816 filter transmission curve, which can be explained by the intergalactic medium absorption of continua blueward of Ly{alpha} in the high-redshift spectra. This sample is being used to study the Ly{alpha} luminosity function and galaxy properties at z~5.7.2020ApJ...903....4Nhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/903/4CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/ApJ/744/110 : LAE galaxies between 2.1=<z<=3.1 (Ciardullo+, 2012)J/ApJ/753/95 : LAE galaxies in the ECDF-S at z~2.1 and z~3.1 (Bond+, 2012)J/ApJ/760/128 : Ly{alpha} emission from 4<z<6 sources COSMOS (Mallery+, 2012)J/ApJ/769/54 : Spectroscopy of Damped Ly{alpha} systems (Neeleman+, 2013)J/A+A/561/A89 : Optical spectroscopy of 24 Ly-alpha emitters (Atek+, 2014)J/ApJ/783/119 : z~1 Ly{alpha} emitters I 135 candidates GALEX (Wold+, 2014)J/ApJ/796/64 : H{beta} & Ly{alpha} emitting galaxies z~2 (Ciardullo+, 2014)J/ApJ/815/57 : Follow-up spectroscopy of Ly{alpha} 3<z<7 emitters (U+, 2015)J/MNRAS/468/1123 : LAE among star-forming galaxies at z=2.5 (Shimakawa+, 2017)J/MNRAS/471/267 : Ly{alpha} fluxes of HDFS 2.91<z<6.64 sources (Drake+, 2017)J/MNRAS/472/772 : Candidate LAEs at z=5.7 and z=6.6 (Matthee+, 2017)J/ApJ/852/22 : Ly{alpha} forest power spectrum 1.8<=z<=3.4 (Walther+, 2018)J/ApJ/859/53 : Ly{alpha} candidates from MUSE survey of 6AGNs (Marino+, 2018)J/MNRAS/473/30 : Catalog of Ly{alpha} emitters (Caruana+, 2018)J/MNRAS/477/2817 : Luminous Ly{alpha} emitters at z~2-3 (Sobral+, 2018)J/A+A/634/A97 : VUDS UV and Ly{alpha} luminosity functions (Khusanova+, 2020)J/A+A/643/A149 : J-PLUS Ly{alpha}-emitting candidates (Spinoso+, 2020)J/MNRAS/504/3662 : Lya-UV Offsets in Galaxies at z~6 (Lemaux+, 2021)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/903/4https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/903/4http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/903/4https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/903/4https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/903/4http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/903/4GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/903/4/table3 (A 260 LAEs at redshift 5.7)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/903/4/table3?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/903/4/table3?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/903/4/table3?GETtext/xml+votable180.050000true33.8532917-5.04755560.0055555555555555566/17677 17679 17688 17690 17740-17741 19033 19036 27245 27247 27256 27258 35935 35957https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/903/4?format=asciiInfrareddefaultJ/ApJ/903/4/table3A 260 LAEs at redshift 5.7recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintIDID in the M2FS surveymeta.id;meta.maincharNum[1/260] Number identifiermeta.id;meta.numberintRAJ2000[2/22] Hour of Right Ascension (J2000)pos.eq.ra;meta.mainDEJ2000Degree of Declination (J2000)pos.eq.dec;meta.mainz[5.62/5.76] Spectroscopic redshift (1)src.redshiftfloatl_imagUpper limit flag on imag (2)meta.code.errorcharimag[25.1/28.5] Apparent i-band magnitudemagphot.mag;em.opt.Ifloate_imag[0.04/0.6]? Uncertainty in imagmagstat.error;phot.magfloatnullablel_z'magUpper limit flag on z'mag (2)meta.code.errorcharz'mag[24.57/27.7] Apparent z'-band magnitudemagphot.mag;em.opt.Ifloate_z'mag[0.05/0.6]? Uncertainty in z'magmagstat.error;phot.magfloatnullableNB816[23.48/25.97] Apparent NB816 band magnitudemagphot.magfloate_NB816[0.01/0.3] Uncertainty in NB816magstat.errorfloatL(Lya)[0.11/4.37] Lyman-alpha luminosity; 1e43erg/s1e+36Wphys.luminosityfloate_L(Lya)[0.02/0.8] Uncertainty in L(Lya)1e+36Wstat.errorfloatSimbadSimbad column added by the CDSmeta.ref.urlchar