The Subaru FMOS galaxy redshift survey (FastSound). II. The emission line catalog and properties of emission line galaxies

We present basic properties of similar to 3300 emission line galaxies detected by the FastSound survey, which aremostly Ha emitters at z similar to 1.2-1.5 in the total area of about 20 deg(2), with the Ha flux sensitivity limit of similar to 1.6 x 10(-16) erg cm(-2) s(-1) at 4.5 sigma. This paper presents the catalog of the FastSound emission lines and galaxies, which is open to the public. We also present basic properties of typical FastSound Ha emitters, which have Ha luminosities of 10(41.8)-10(43.3) erg s(-1), star formation rates (SFRs) of 20-500 M-circle dot yr(-1), and stellar masses of 10(10.0)-10(11.3) M-circle dot. The 3D distribution maps for the four fields of Canada-France-Hawaii Telescope Legacy Survey (CFHTLS) W1-4 are presented, clearly showing large scale clustering of galaxies at the scale of similar to 100-600 comoving Mpc. Based on 1105 galaxies with detections of multiple emission lines, we estimate that the contamination of non-H alpha lines is about 4% in the single-line emission galaxies, which is mostly [O (III)]lambda 5007. This contamination fraction is also confirmed by the stacked spectrum of all the FastSound spectra, in which H alpha, [N (II)]lambda lambda 6548,6583, [S (II)]lambda lambda 6717,6731, and [O (I)]lambda lambda 6300,6364 are seen.