The Lyman-α forest catalogue from the Dark Energy Spectroscopic Instrument Early Data Release
C. Ramírez-PérezInstitut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology , Campus UAB, E-08193 Bellaterra Barcelona , SpainIgnasi Pérez-RàfolsDepartament de Física Quàntica i Astrofísica, Universitat de Barcelona , Martí i Franquès 1, E-08028 Barcelona , SpainAndreu Font-RiberaDepartment of Physics and Astronomy, University College London , Gower Street, London WC1E 6BT , UKMarjani KarimCEA Paris-SaclayE. ArmengaudUniversité Paris-SaclayJ BautistaAix-Marseille UniversitéS. F. BeltranDepartamento de Física, Universidad de Guanajuato - DCI , C.P. 37150, Leon, Guanajuato , MéxicoL. Cabayol-GarciaInstitut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology , Campus UAB, E-08193 Bellaterra Barcelona , SpainZ CaiDepartment of Astronomy and Astrophysics, UCO/Lick Observatory, University of California , 1156 High Street, Santa Cruz, CA 95065 , USASolène ChabanierLawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, CA 94720 , USAE. ChaussidonLawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, CA 94720 , USAJ. Chaves-MonteroInstitut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology , Campus UAB, E-08193 Bellaterra Barcelona , SpainAndrei CuceuCenter for Cosmology and AstroParticle Physics, The Ohio State University , 191 West Woodruff Avenue, Columbus, OH 43210 , USARodrigo de la CruzDepartamento de Física, Universidad de Guanajuato - DCI , C.P. 37150, Leon, Guanajuato , MéxicoJ. García-BellidoInstituto de Física Teórica (IFT) UAM/CSIC, Universidad Autónoma de Madrid , Cantoblanco, E-28049, Madrid , SpainAlma X. González‐MoralesDepartamento de Física, Universidad de Guanajuato - DCI , C.P. 37150, Leon, Guanajuato , MéxicoC. GordonInstitut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology , Campus UAB, E-08193 Bellaterra Barcelona , SpainH. K. Herrera-AlcantarDepartamento de Física, Universidad de Guanajuato - DCI , C.P. 37150, Leon, Guanajuato , MéxicoVid IršičKavli Institute for Cosmology, University of Cambridge , Madingley Road, Cambridge CB3 0HA , UKMustapha IshakDepartment of Physics, The University of Texas at Dallas , Richardson, TX 75080 , USANaim Göksel KaraçaylıCenter for Cosmology and AstroParticle Physics, The Ohio State University , 191 West Woodruff Avenue, Columbus, OH 43210 , USAZarija LukićLawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, CA 94720 , USAChristopher J. ManserAstrophysics Group, Department of Physics , Imperial College London, Prince Consort Rd, London, SW7 2AZ , UKPaulo Montero-CamachoDepartment of Astronomy, Tsinghua University, 30 Shuangqing Road, Haidian District, Beijing, 100190, ChinaL. NapolitanoDepartment of Physics & Astronomy, University of Wyoming , 1000 E. University, Dept. 3905, Laramie, WY 82071 , USAGustavo NizDepartamento de Física, Universidad de Guanajuato - DCI , C.P. 37150, Leon, Guanajuato , MéxicoMatthew M. PieriAix Marseille Univ , CNRS, CNES, LAM, F-13388, Marseille , FranceC. RavouxUniversité Paris-SaclayFrancesco SinigagliaInstituto de Astrofísica de Canarias , C/ Vía Láctea, s/n, E-38205 La Laguna, Tenerife, Spain Universidad de La Laguna, Dept. de Astrofísica, E-38206 La Laguna, Tenerife , SpainT. TanLaboratoire de Physique Nucléaire et de Hautes ÉnergiesMichael WaltherUniversity Observatory, Faculty of Physics, Ludwig-Maximilians-Universität , Scheinerstr. 1, D-81677 München , GermanyBen WangDepartment of Astronomy, Tsinghua University, 30 Shuangqing Road, Haidian District , Beijing, 100190 , ChinaJ. AguilarLawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, CA 94720 , USAS. AhlenPhysics Dept., Boston University , 590 Commonwealth Avenue, Boston, MA 02215 , USAS. BaileyLawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, CA 94720 , USADavid BrooksDepartment of Physics & Astronomy, University College London , Gower Street, London, WC1E 6BT , UKT. ClaybaughLawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, CA 94720 , USAKyle DawsonDepartment of Physics and Astronomy, The University of Utah , 115 South 1400 East, Salt Lake City, UT 84112 , USAAxel de la MacorraInstituto de Física, Universidad Nacional Autónoma de México , Cd. de México CP 04510 , MéxicoG. DhunganaDepartment of Physics, Southern Methodist University , 3215 Daniel Avenue, Dallas, TX 75275 , USAP. DoelDepartment of Physics & Astronomy, University College London , Gower Street, London, WC1E 6BT , UKK. FanningThe Ohio State University , Columbus, 43210 OH , USAJ. E. Forero-RomeroDepartamento de Física, Universidad de los Andes , Cra. 1 No. 18A-10, Edificio Ip, CP 111711, Bogotá , ColombiaSatya Gontcho A GontchoLawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, CA 94720 , USAJ. GuyLawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, CA 94720 , USAK. HonscheidCenter for Cosmology and AstroParticle Physics, The Ohio State University , 191 West Woodruff Avenue, Columbus, OH 43210 , USAR. KehoeDepartment of Physics, Southern Methodist University , 3215 Daniel Avenue, Dallas, TX 75275 , USATheodore KisnerLawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, CA 94720 , USAMartin LandriauLawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, CA 94720 , USAL. Le GuillouSorbonne UniversitéM. E. LeviLawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, CA 94720 , USAC. MagnevilleCEA Paris-SaclayPaul MartiniCenter for Cosmology and AstroParticle Physics, The Ohio State University , 191 West Woodruff Avenue, Columbus, OH 43210 , USAAaron MeisnerNSF’s NOIRLab , 950 N. Cherry Ave., Tucson, AZ 85719 , USAR. MiquelInstitut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology , Campus UAB, E-08193 Bellaterra Barcelona , SpainJohn MoustakasDepartment of Physics and Astronomy, Siena College , 515 Loudon Road, Loudonville, NY 12211 , USAEva-Maria MuellerDepartment of Physics and Astronomy, University of Sussex , Falmer, Brighton BN1 9QH , UKA. Muñoz-GutiérrezInstituto de Física, Universidad Nacional Autónoma de México , Cd. de México CP 04510 , MéxicoJundan NieNational Astronomical Observatories, Chinese Academy of Sciences, A20 Datun Rd., Chaoyang District, Beijing, 100012, P.R. ChinaN. Palanque‐DelabrouilleCEA Paris-SaclayWill J. PercivalPerimeter Institute for Theoretical Physics , 31 Caroline St. North, Waterloo, ON N2L 2Y5 , CanadaGraziano RossiDepartment of Physics and Astronomy, Sejong University, Seoul, 143-747, KoreaE. SánchezCentro de Investigaciones Energéticas, Medioambientales y TecnológicasEdward F. SchlaflySpace Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218 , USADavid J. SchlegelLawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, CA 94720 , USAHee‐Jong SeoDepartment of Physics & Astronomy, Ohio University , Athens, OH 475701 , USAG. TarléSpace Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218 , USAB. A. WeaverNSF NOIRLabChristophe YècheIRFU, CEA, Université Paris-Saclay , F-91191 Gif-sur-Yvette , FranceZhiming ZhouNational Astronomical Observatories, Chinese Academy of Sciences, A20 Datun Rd., Chaoyang District, Beijing, 100012, P.R. China
2023en
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ABSTRACT We present and validate the catalogue of Lyman-α forest fluctuations for 3D analyses using the Early Data Release (EDR) from the Dark Energy Spectroscopic Instrument (DESI) survey. We used 88 511 quasars collected from DESI Survey Validation (SV) data and the first two months of the main survey (M2). We present several improvements to the method used to extract the Lyman-α absorption fluctuations performed in previous analyses from the Sloan Digital Sky Survey (SDSS). In particular, we modify the weighting scheme and show that it can improve the precision of the correlation function measurement by more than 20 per cent. This catalogue can be downloaded from https://data.desi.lbl.gov/public/edr/vac/edr/lya/fuji/v0.3, and it will be used in the near future for the first DESI measurements of the 3D correlations in the Lyman-α forest.
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