First cosmological results using Type Ia supernovae from the Dark Energy Survey: measurement of the Hubble constant

Author:

Macaulay E1ORCID,Nichol R C1,Bacon D1,Brout D2,Davis T M3,Zhang B45,Bassett B A67,Scolnic D8,Möller A45,D’Andrea C B2,Hinton S R3,Kessler R89,Kim A G10,Lasker J89,Lidman C5,Sako M2,Smith M11,Sullivan M11,Abbott T M C12,Allam S13,Annis J13,Asorey J14,Avila S1,Bechtol K15,Brooks D16,Brown P17,Burke D L1819,Calcino J3,Carnero Rosell A2021,Carollo D22,Carrasco Kind M2324,Carretero J25,Castander F J2627,Collett T1,Crocce M2627,Cunha C E18,da Costa L N2128,Davis C18,De Vicente J20,Diehl H T13,Doel P16,Drlica-Wagner A813,Eifler T F2930,Estrada J13,Evrard A E3132,Filippenko A V3334,Finley D A13,Flaugher B13,Foley R J35,Fosalba P2627,Frieman J813,Galbany L36,García-Bellido J37,Gaztanaga E2627,Glazebrook K38,González-Gaitán S39,Gruen D1819,Gruendl R A2324,Gschwend J2128,Gutierrez G13,Hartley W G1640,Hollowood D L35,Honscheid K4142,Hoormann J K3,Hoyle B4344,Huterer D32,Jain B2,James D J45,Jeltema T35,Kasai E746,Krause E29,Kuehn K47,Kuropatkin N13,Lahav O16,Lewis G F48,Li T S813,Lima M2149,Lin H13,Maia M A G2128,Marshall J L17,Martini P4150,Miquel R2551,Nugent P10,Palmese A13,Pan Y-C5253,Plazas A A30,Romer A K54,Roodman A1819,Sanchez E20,Scarpine V13,Schindler R19,Schubnell M32,Serrano S2627,Sevilla-Noarbe I20,Sharp R5,Soares-Santos M55,Sobreira F2156,Sommer N E45,Suchyta E57,Swann E1,Swanson M E C24,Tarle G32,Thomas D1,Thomas R C10,Tucker B E45,Uddin S A58,Vikram V59,Walker A R12,Wiseman P11,

Affiliation:

1. Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth PO1 3FX, UK

2. Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USA

3. School of Mathematics and Physics, University of Queensland, Brisbane, QLD 4072, Australia

4. ARC Centre of Excellence for All-sky Astrophysics (CAASTRO), Australia

5. The Research School of Astronomy and Astrophysics, Australian National University, ACT 2601, Australia

6. African Institute for Mathematical Sciences, 6 Melrose Road, Muizenberg 7945, South Africa

7. South African Astronomical Observatory, P.O.Box 9, Observatory 7935, South Africa

8. Kavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USA

9. Department of Astronomy and Astrophysics, University of Chicago, Chicago, IL 60637, USA

10. Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, USA

11. School of Physics and Astronomy, University of Southampton, Southampton SO17 1BJ, UK

12. Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, Casilla 603, La Serena, Chile

13. Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, IL 60510, USA

14. Korea Astronomy and Space Science Institute, Yuseong-gu, Daejeon 305-348, Korea

15. LSST, 933 North Cherry Avenue, Tucson, AZ 85721, USA

16. Department of Physics & Astronomy, University College London, Gower Street, London WC1E 6BT, UK

17. George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, and Department of Physics and Astronomy, Texas A&M University, College Station, TX 77843, USA

18. Kavli Institute for Particle Astrophysics & Cosmology, P. O. Box 2450, Stanford University, Stanford, CA 94305, USA

19. SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA

20. Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), E-28040 Madrid, Spain

21. Laboratório Interinstitucional de e-Astronomia - LIneA, Rua Gal. José Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil

22. INAF, Astrophysical Observatory of Turin, I-10025 Pino Torinese, Italy

23. Department of Astronomy, University of Illinois at Urbana-Champaign, 1002 W. Green Street, Urbana, IL 61801, USA

24. National Center for Supercomputing Applications, 1205 West Clark St, Urbana, IL 61801, USA

25. Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, E-08193 Bellaterra (Barcelona), Spain

26. Institut d’Estudis Espacials de Catalunya (IEEC), E-08034 Barcelona, Spain

27. Institute of Space Sciences (ICE, CSIC), Campus UAB, Carrer de Can Magrans, s/n, E-08193 Barcelona, Spain

28. Observatório Nacional, Rua Gal. José Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil

29. Department of Astronomy/Steward Observatory, 933 North Cherry Avenue, Tucson, AZ 85721-0065, USA

30. Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr., Pasadena, CA 91109, USA

31. Department of Astronomy, University of Michigan, Ann Arbor, MI 48109, USA

32. Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA

33. Department of Astronomy, University of California, Berkeley, CA 94720-3411, USA

34. Miller Institute for Basic Research in Science, University of California, Berkeley, CA 94720, USA

35. Santa Cruz Institute for Particle Physics, Santa Cruz, CA 95064, USA

36. PITT PACC, Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, PA 15260, USA

37. Instituto de Fisica Teorica UAM/CSIC, Universidad Autonoma de Madrid, E-28049 Madrid, Spain

38. Centre for Astrophysics & Supercomputing, Swinburne University of Technology, VIC 3122, Australia

39. CENTRA, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1, P-1049-001 Lisboa, Portugal

40. Department of Physics, ETH Zurich, Wolfgang-Pauli-Strasse 16, CH-8093 Zurich, Switzerland

41. Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus, OH 43210, USA

42. Department of Physics, The Ohio State University, Columbus, OH 43210, USA

43. Max Planck Institute for Extraterrestrial Physics, Giessenbachstrasse, D-85748 Garching, Germany

44. Universitäts-Sternwarte, Fakultät für Physik, Ludwig-Maximilians Universität München, Scheinerstr. 1, D-81679 München, Germany

45. Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA

46. Department of Physics, University of Namibia, 340 Mandume Ndemufayo Avenue, Pionierspark, Windhoek 13301, Namibia

47. Australian Astronomical Optics, Macquarie University, North Ryde, NSW 2113, Australia

48. Sydney Institute for Astronomy, School of Physics, A28, The University of Sydney, NSW 2006, Australia

49. Departamento de Física Matemática, Instituto de Física, Universidade de São Paulo, CP 66318 São Paulo, SP 05314-970, Brazil

50. Department of Astronomy, The Ohio State University, Columbus, OH 43210, USA

51. Institució Catalana de Recerca i Estudis Avançats, E-08010 Barcelona, Spain

52. Division of Theoretical Astronomy, National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan

53. Institute of Astronomy and Astrophysics, Academia Sinica, Taipei 10617, Taiwan

54. Department of Physics and Astronomy, Pevensey Building, University of Sussex, Brighton BN1 9QH, UK

55. Physics Department, Brandeis University, 415 South Street, Waltham, MA 02453, USA

56. Instituto de Física Gleb Wataghin, Universidade Estadual de Campinas, 13083-859 Campinas, SP, Brazil

57. Computer Science and Mathematics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

58. Observatories of the Carnegie Institution for Science, 813 Santa Barbara St, Pasadena, CA 91101, USA

59. Argonne National Laboratory, 9700 South Cass Avenue, Lemont, IL 60439, USA

Abstract

ABSTRACT We present an improved measurement of the Hubble constant (H0) using the ‘inverse distance ladder’ method, which adds the information from 207 Type Ia supernovae (SNe Ia) from the Dark Energy Survey (DES) at redshift 0.018 < z < 0.85 to existing distance measurements of 122 low-redshift (z < 0.07) SNe Ia (Low-z) and measurements of Baryon Acoustic Oscillations (BAOs). Whereas traditional measurements of H0 with SNe Ia use a distance ladder of parallax and Cepheid variable stars, the inverse distance ladder relies on absolute distance measurements from the BAOs to calibrate the intrinsic magnitude of the SNe Ia. We find H0 = 67.8 ± 1.3 km s−1 Mpc−1 (statistical and systematic uncertainties, 68 per cent confidence). Our measurement makes minimal assumptions about the underlying cosmological model, and our analysis was blinded to reduce confirmation bias. We examine possible systematic uncertainties and all are below the statistical uncertainties. Our H0 value is consistent with estimates derived from the Cosmic Microwave Background assuming a ΛCDM universe.

Funder

Science and Technology Facilities Council

National Aeronautics and Space Administration

Space Telescope Science Institute

H2020 European Research Council

National Science Foundation

Ministerio de Economía y Competitividad

European Research Council

Conselho Nacional de Desenvolvimento Científico e Tecnológico

Publisher

Oxford University Press (OUP)

Subject

Space and Planetary Science,Astronomy and Astrophysics

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