The MUSEHubbleUltra Deep Field surveys: Data release II

Astronomy and Astrophysics, vol. 670, pp. A4

Abstract

We present the second data release of the MUSEHubbleUltra-Deep Field surveys, which includes the deepest spectroscopic survey ever performed. The MUSE data, with their 3D content, amazing depth, wide spectral range, and excellent spatial and medium spectral resolution, are rich in information. Their location in theHubbleultra-deep field area, which benefits from an exquisite collection of ancillary panchromatic information, is a major asset. This update of the first release incorporates a new 141-h adaptive-optics-assisted MUSE eXtremely Deep Field (MXDF; 1 arcmin diameter field of view) in addition to the reprocessed 10-h mosaic (3 × 3 arcmin2) and the single 31-h deep field (1 × 1 arcmin2). All three data sets were processed and analyzed homogeneously using advanced data reduction and analysis methods. The 3σpoint-source flux limit of an unresolved emission line reaches 3.1 × 10−19and 6.3 × 10−20 erg s−1 cm−2at 10- and 141-h depths, respectively. We have securely identified and measured the redshift of 2221 sources, an increase of 41% compared to the first release. With the exception of eight stars, the collected sample consists of 25 nearby galaxies (z < 0.25), 677 [O II] emitters (z= 0.25 − 1.5), 201 galaxies in the MUSE redshift desert range (z = 1.5 − 2.8), and 1308 Lyαemitters (z = 2.8 − 6.7). This represents an order of magnitude more redshifts than the collection of all spectroscopic redshifts obtained before MUSE in theHubbleultra-deep field area (i.e., 2221 versus 292). At high redshift (z > 3), the difference is even more striking, with a factor of 65 increase (1308 versus 20). We compared the measured redshifts against three published photometric redshift catalogs and find the photo-z accuracy to be lower than the constraints provided by photo-z fitting codes. Eighty percent of the galaxies in our final catalog have an HST counterpart. These galaxies are on average faint, with a median ABF775Wmagnitude of 25.7 and 28.7 for the [O II] and Lyαemitters, respectively. Fits of their spectral energy distribution show that these galaxies tend to be low-mass star-forming galaxies, with a median stellar mass of 6.2 × 108 M⊙and a median star-formation rate of 0.4 M⊙yr−1. We measured the completeness of our catalog with respect to HST and found that, in the deepest 141-h area, 50% completeness is achieved for an AB magnitude of 27.6 and 28.7 (F775W) atz= 0.8 − 1.6 andz = 3.2 − 4.5, respectively. Twenty percent of our catalog, or 424 galaxies, have no HST counterpart. The vast majority of these new sources are high equivalent-widthz > 2.8 Lyαemitters that are detected by MUSE thanks to their bright and asymmetric broad Lyαline. We release advanced data products, specific software, and a web interface to select and download data sets.

Authors 33

1. Roland M. Bacon

   Lyon 1 Université · École Normale Supérieure de Lyon · Centre National de la Recherche Scientifique · Centre de Recherche Astrophysique de Lyon

   Affiliation as printed

   Univ Lyon, Univ Lyon1, ENS de Lyon, CNRS, Centre de Recherche Astrophysique de Lyon UMR5574, 9 avenue Charles André, 69230 Saint-Genis-Laval, France

2. J. Brinchmann

   Universidade do Porto · Institute of Astrophysics and Space Sciences · Centro de Astrofísica da Universidade do Porto

   Affiliation as printed

   Instituto de Astrofísica e Ciências do Espaço, Universidade do Porto, CAUP, Rua das Estrelas, 4150-762 Porto, Portugal

3. Simon Conseil

   Centre National de la Recherche Scientifique · Aix-Marseille Université · Laboratoire d’Astrophysique de Marseille

   Affiliation as printed

   Aix-Marseille Université, CNRS, CNES, LAM (Laboratoire d’Astrophysique de Marseille) UMR 7326UMR7326, 38 rue Frédéric Joliot-Curie, 13388 Marseille, France

   Aix-Marseille Université, CNRS, CNES, LAM (Laboratoire d'Astrophysique de Marseille) UMR 7326UMR7326, 38 rue Frédéric Joliot-Curie, 13388 Marseille, France

4. Michael V. Maseda

   University of Wisconsin–Madison

   Affiliation as printed

   Department of Astronomy, University of Wisconsin, 475 N. Charter Street, Madison, WI 53706, USA

5. Themiya Nanayakkara

   Swinburne University of Technology

   Affiliation as printed

   Centre for Astrophysics and Supercomputing, Swinburne University of Technology, Melbourne, VIC 3122, Australia

6. Martin Wendt

   University of Potsdam · Leibniz Institute for Astrophysics Potsdam

   Affiliation as printed

   Institut für Physik und Astronomie, Universität Potsdam, Karl-Liebknecht-Str. 24/25, 14476 Golm, Germany

   Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany

7. Raphael Bacher

   Lyon 1 Université · Institut polytechnique de Grenoble · École Normale Supérieure de Lyon · Centre National de la Recherche Scientifique · Centre de Recherche Astrophysique de Lyon · GIPSA-Lab

   Affiliation as printed

   Univ Lyon, Univ Lyon1, ENS de Lyon, CNRS, Centre de Recherche Astrophysique de Lyon UMR5574, 9 avenue Charles André, 69230 Saint-Genis-Laval, France

   Univ. Grenoble Alpes, CNRS, Grenoble INP, GIPSA-lab, 11 rue des Mathématiques, Grenoble Campus BP46, 38402 Saint-Martin-d’Hères Cedex, France

   Univ. Grenoble Alpes, CNRS, Grenoble INP, GIPSA-lab, 11 rue des Mathématiques, Grenoble Campus BP46, 38402 Saint-Martin-d'Hères Cedex, France

8. David Mary

   Centre National de la Recherche Scientifique · Université Côte d'Azur · Lagrange Laboratory

   Affiliation as printed

   Laboratoire Lagrange, CNRS, Université Côte d’Azur, Boulevard de l’Observatoire, CS34229, 06304 Nice, France

   Laboratoire Lagrange, CNRS, Université Côte d'Azur, Boulevard de l'Observatoire, CS34229, 06304 Nice, France

9. Peter M. Weilbacher

   Leibniz Institute for Astrophysics Potsdam

   Affiliation as printed

   Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany

10. Davor Krajnović

    Leibniz Institute for Astrophysics Potsdam

    Affiliation as printed

    Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany

11. Leindert Boogaard

    Max Planck Institute for Astronomy

    Affiliation as printed

    Max Planck Institute for Astronomy, Königstuhl 17, 69117 Heidelberg, Germany

12. N. Bouché

    Lyon 1 Université · École Normale Supérieure de Lyon · Centre National de la Recherche Scientifique · Centre de Recherche Astrophysique de Lyon

    Affiliation as printed

    Univ Lyon, Univ Lyon1, ENS de Lyon, CNRS, Centre de Recherche Astrophysique de Lyon UMR5574, 9 avenue Charles André, 69230 Saint-Genis-Laval, France

13. T. Contini

    Centre National de la Recherche Scientifique · Institut de Recherche en Astrophysique et Planétologie · Université de Toulouse

    Affiliation as printed

    IRAP, Institut de Recherche en Astrophysique et Planétologie, CNRS, Université de Toulouse, 14, avenue Edouard Belin, 31400 Toulouse, France

14. B. Épinat

    Centre National de la Recherche Scientifique · Aix-Marseille Université · Laboratoire d’Astrophysique de Marseille · Canada–France–Hawaii Telescope

    Affiliation as printed

    Aix-Marseille Université, CNRS, CNES, LAM (Laboratoire d’Astrophysique de Marseille) UMR 7326UMR7326, 38 rue Frédéric Joliot-Curie, 13388 Marseille, France

    Canada-France-Hawaii Telescope, CNRS, 96743 Kamuela, Hawaii, USA

    Aix-Marseille Université, CNRS, CNES, LAM (Laboratoire d'Astrophysique de Marseille) UMR 7326UMR7326, 38 rue Frédéric Joliot-Curie, 13388 Marseille, France

15. A. Feltre

    Osservatorio di Astrofisica e Scienza dello Spazio · National Institute for Astrophysics

    Affiliation as printed

    INAF – Osservatorio di Astrofisica e Scienza dello Spazio di Bologna, Via P. Gobetti 93/3, 40129 Bologna, Italy

16. Yucheng Guo

    Lyon 1 Université · École Normale Supérieure de Lyon · Centre National de la Recherche Scientifique · Centre de Recherche Astrophysique de Lyon

    Affiliation as printed

    Univ Lyon, Univ Lyon1, ENS de Lyon, CNRS, Centre de Recherche Astrophysique de Lyon UMR5574, 9 avenue Charles André, 69230 Saint-Genis-Laval, France

17. Christian Herenz

    European Southern Observatory

    Affiliation as printed

    European Southern Observatory, Av. Alonso de Córdova 3107, 763 0355 Vitacura, Santiago, Chile

18. W. Kollatschny

    University of Göttingen

    Affiliation as printed

    Institut für Astrophysik, Universität Göttingen, Friedrich-Hund-Platz 1, 37077 Göttingen, Germany

19. Haruka Kusakabe

    University of Geneva

    Affiliation as printed

    Observatoire de Genève, Université de Genève, 51 Ch. des Maillettes, 1290 Versoix, Switzerland

20. Floriane Leclercq

    The University of Texas at Austin

    Affiliation as printed

    Department of Astronomy, University of Texas at Austin, 2515 Speedway, Austin, TX 78712, USA

21. L. Michel-Dansac

    Lyon 1 Université · École Normale Supérieure de Lyon · Centre National de la Recherche Scientifique · Centre de Recherche Astrophysique de Lyon

    Affiliation as printed

    Univ Lyon, Univ Lyon1, ENS de Lyon, CNRS, Centre de Recherche Astrophysique de Lyon UMR5574, 9 avenue Charles André, 69230 Saint-Genis-Laval, France

22. R. Pelló

    Centre National de la Recherche Scientifique · Aix-Marseille Université · Laboratoire d’Astrophysique de Marseille

    Affiliation as printed

    Aix-Marseille Université, CNRS, CNES, LAM (Laboratoire d’Astrophysique de Marseille) UMR 7326UMR7326, 38 rue Frédéric Joliot-Curie, 13388 Marseille, France

    Aix-Marseille Université, CNRS, CNES, LAM (Laboratoire d'Astrophysique de Marseille) UMR 7326UMR7326, 38 rue Frédéric Joliot-Curie, 13388 Marseille, France

23. Johan Richard

    Lyon 1 Université · École Normale Supérieure de Lyon · Centre National de la Recherche Scientifique · Centre de Recherche Astrophysique de Lyon

    Affiliation as printed

    Univ Lyon, Univ Lyon1, ENS de Lyon, CNRS, Centre de Recherche Astrophysique de Lyon UMR5574, 9 avenue Charles André, 69230 Saint-Genis-Laval, France

24. Martin M. Roth

    Leibniz Institute for Astrophysics Potsdam

    Affiliation as printed

    Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany

25. Grégory Salvignol

    Lyon 1 Université · École Normale Supérieure de Lyon · Centre National de la Recherche Scientifique · Centre de Recherche Astrophysique de Lyon

    Affiliation as printed

    Univ Lyon, Univ Lyon1, ENS de Lyon, CNRS, Centre de Recherche Astrophysique de Lyon UMR5574, 9 avenue Charles André, 69230 Saint-Genis-Laval, France

26. Joop Schaye Aachen Leiden Observatory

    Leiden University · Leiden Observatory

    Affiliation as printed

    Leiden Observatory, Leiden University, PO Box 9513 2300 RA Leiden, The Netherlands

27. Matthias Steinmetz

    Leibniz Institute for Astrophysics Potsdam

    Affiliation as printed

    Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany

28. L. Tresse

    Centre National de la Recherche Scientifique · Aix-Marseille Université · Laboratoire d’Astrophysique de Marseille

    Affiliation as printed

    Aix-Marseille Université, CNRS, CNES, LAM (Laboratoire d’Astrophysique de Marseille) UMR 7326UMR7326, 38 rue Frédéric Joliot-Curie, 13388 Marseille, France

    Aix-Marseille Université, CNRS, CNES, LAM (Laboratoire d'Astrophysique de Marseille) UMR 7326UMR7326, 38 rue Frédéric Joliot-Curie, 13388 Marseille, France

29. T. Urrutia

    Leibniz Institute for Astrophysics Potsdam

    Affiliation as printed

    Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany

30. Anne Verhamme

    University of Geneva

    Affiliation as printed

    Observatoire de Genève, Université de Genève, 51 Ch. des Maillettes, 1290 Versoix, Switzerland

31. Eloïse Vitte

    University of Geneva

    Affiliation as printed

    Observatoire de Genève, Université de Genève, 51 Ch. des Maillettes, 1290 Versoix, Switzerland

32. L. Wisotzki

    Leibniz Institute for Astrophysics Potsdam

    Affiliation as printed

    Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany

33. Sebastiaan L. Zoutendijk Aachen Leiden Observatory

    Leiden University · Leiden Observatory

    Affiliation as printed

    Leiden Observatory, Leiden University, PO Box 9513 2300 RA Leiden, The Netherlands