The Subaru FMOS galaxy redshift survey (FastSound). I. Overview of the survey targeting Hα emitters at z∼1.4

Motonari Tonegawa, Tomonori Totani, Hiroyuki Okada, Masayuki Akiyama, Gavin Dalton, Karl Glazebrook, Fumihide Iwamuro, Toshinori Maihara, Kouji Ohta, Ikkoh Shimizu, Naruhisa Takato, Naoyuki Tamura, Kiyoto Yabe, Andrew J. Bunker, Jean Coupon, Pedro G. Ferreira, Carlos S. Frenk, Tomotsugu Goto, Chiaki Hikage, Takashi Ishikawa & 6 others Takahiko Matsubara, Surhud More, Teppei Okumura, Will J. Percival, Lee R. Spitler, I. Szapudi

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

FastSound is a galaxy redshift survey that uses the near-infrared Fiber Multi-Object Spectrograph (FMOS) mounted on the Subaru Telescope, targeting Hα emitters at z∼1.18-1.54 down to the sensitivity limit of Hα flux ∼ 2 × 10-16 erg cm-2 s-1. The primary goal of the survey is to detect redshift space distortion (RSD), to test the general theory of relativity by measuring the growth rate of large-scale structure and to constrain modified gravity models for the origin of the accelerated expansion of the universe. The target galaxies were selected based on photometric redshifts and Hα flux estimates calculated by fitting spectral energy distribution (SED) models to the five optical magnitudes of the Canada-France-Hawaii Telescope Legacy Survey (CFHTLS) Wide catalog. The survey started in 2012 March, and all the observations were completed in 2014 July. In total, we achieved 121 pointings of FMOS (each pointing has a 30′ diameter circular footprint) covering 20.6 deg2 by tiling the four fields of the CFHTLS Wide in a hexagonal pattern. Emission lines were detected from ∼ 4000 star-forming galaxies by an automatic line detection algorithm applied to 2D spectral images. This is the first in a series of papers based on FastSound data, and we describe the details of the survey design, target selection, observations, data reduction, and emission line detections.

Original languageEnglish
Article number81
JournalPublications of the Astronomical Society of Japan
Volume67
Issue number5
DOIs
Publication statusPublished - Jun 30 2015

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targeting
spectrographs
emitters
galaxies
fibers
telescopes
France
Canada
survey design
footprint
erg
data reduction
footprints
spectral energy distribution
near infrared
catalogs
fibre
relativity
gravity
coverings

Keywords

  • cosmology: observations
  • galaxies: distances and redshifts
  • large-scale structure of universe
  • surveys
  • techniques: spectroscopic

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

The Subaru FMOS galaxy redshift survey (FastSound). I. Overview of the survey targeting Hα emitters at z∼1.4. / Tonegawa, Motonari; Totani, Tomonori; Okada, Hiroyuki; Akiyama, Masayuki; Dalton, Gavin; Glazebrook, Karl; Iwamuro, Fumihide; Maihara, Toshinori; Ohta, Kouji; Shimizu, Ikkoh; Takato, Naruhisa; Tamura, Naoyuki; Yabe, Kiyoto; Bunker, Andrew J.; Coupon, Jean; Ferreira, Pedro G.; Frenk, Carlos S.; Goto, Tomotsugu; Hikage, Chiaki; Ishikawa, Takashi; Matsubara, Takahiko; More, Surhud; Okumura, Teppei; Percival, Will J.; Spitler, Lee R.; Szapudi, I.

In: Publications of the Astronomical Society of Japan, Vol. 67, No. 5, 81, 30.06.2015.

Research output: Contribution to journalArticle

Tonegawa, M, Totani, T, Okada, H, Akiyama, M, Dalton, G, Glazebrook, K, Iwamuro, F, Maihara, T, Ohta, K, Shimizu, I, Takato, N, Tamura, N, Yabe, K, Bunker, AJ, Coupon, J, Ferreira, PG, Frenk, CS, Goto, T, Hikage, C, Ishikawa, T, Matsubara, T, More, S, Okumura, T, Percival, WJ, Spitler, LR & Szapudi, I 2015, 'The Subaru FMOS galaxy redshift survey (FastSound). I. Overview of the survey targeting Hα emitters at z∼1.4', Publications of the Astronomical Society of Japan, vol. 67, no. 5, 81. https://doi.org/10.1093/pasj/psv044
Tonegawa, Motonari ; Totani, Tomonori ; Okada, Hiroyuki ; Akiyama, Masayuki ; Dalton, Gavin ; Glazebrook, Karl ; Iwamuro, Fumihide ; Maihara, Toshinori ; Ohta, Kouji ; Shimizu, Ikkoh ; Takato, Naruhisa ; Tamura, Naoyuki ; Yabe, Kiyoto ; Bunker, Andrew J. ; Coupon, Jean ; Ferreira, Pedro G. ; Frenk, Carlos S. ; Goto, Tomotsugu ; Hikage, Chiaki ; Ishikawa, Takashi ; Matsubara, Takahiko ; More, Surhud ; Okumura, Teppei ; Percival, Will J. ; Spitler, Lee R. ; Szapudi, I. / The Subaru FMOS galaxy redshift survey (FastSound). I. Overview of the survey targeting Hα emitters at z∼1.4. In: Publications of the Astronomical Society of Japan. 2015 ; Vol. 67, No. 5.
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AU - Akiyama, Masayuki

AU - Dalton, Gavin

AU - Glazebrook, Karl

AU - Iwamuro, Fumihide

AU - Maihara, Toshinori

AU - Ohta, Kouji

AU - Shimizu, Ikkoh

AU - Takato, Naruhisa

AU - Tamura, Naoyuki

AU - Yabe, Kiyoto

AU - Bunker, Andrew J.

AU - Coupon, Jean

AU - Ferreira, Pedro G.

AU - Frenk, Carlos S.

AU - Goto, Tomotsugu

AU - Hikage, Chiaki

AU - Ishikawa, Takashi

AU - Matsubara, Takahiko

AU - More, Surhud

AU - Okumura, Teppei

AU - Percival, Will J.

AU - Spitler, Lee R.

AU - Szapudi, I.

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