THE MOST LUMINOUS GALAXIES DISCOVERED BY<i>WISE</i>

Tsai, Chao-Wei; Eisenhardt, Peter; Wu, Jingwen; Stern, Daniel; Assef, Roberto J.; Blain, A. W.; Bridge, Carrie; Benford, Dominic J.; Cutri, R. M.; Griffith, R. L.; Jarrett, T. H.; Lonsdale, C. J.; Masci, Frank J.; Moustakas, Leonidas A.; Petty, Sara; Sayers, Jack; Stanford, S. A.; Wright, E. L.; Yan, Lin; Leisawitz, David; Liu, Fengchuan; Mainzer, Amy; McLean, Ian S.; Padgett, Deborah; Skrutskie, Michael F.; Gelino, Christopher R.; Beichman, Charles; Juneau, Stéphanie

doi:10.1088/0004-637x/805/2/90

Cited by 163 publications

(292 citation statements)

References 115 publications

(155 reference statements)

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“…The W1 S/N limits are close to the confusion maximum achieved by WISE (see Jarrett et al 2011) and hence can detect L * galaxies to redshifts ofz 0.5. Conversely, the relatively poor sensitivity of the long-wavelength channels means that only nearby galaxies are detected, and the rarer luminous infrared galaxies at greater distances (e.g., Tsai et al 2015).…”

Section: Observed Flux Propertiesmentioning

confidence: 99%

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Galaxy and Mass Assembly (GAMA): Exploring the WISE Web in G12

Jarrett

Cluver

Magoulas

et al. 2017

ApJ

120

151

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We present an analysis of the mid-infrared Wide-field Infrared Survey Explorer (WISE) sources seen within the equatorial GAMA G12 field, located in the North Galactic Cap. Our motivation is to study and characterize the behavior of WISE source populations in anticipation of the deep multiwavelength surveys that will define the next decade, with the principal science goal of mapping the 3D large-scale structures and determining the global physical attributes of the host galaxies. In combination with cosmological redshifts, we identify galaxies from their WISE W1 (3.4 μm) resolved emission, and we also perform a star-galaxy separation using apparent magnitude, colors, and statistical modeling of star counts. The resulting galaxy catalog has ;590,000 sources in 60 deg 2 , reaching a W1 5σ depth of 31 μJy. At the faint end, where redshifts are not available, we employ a luminosity function analysis to show that approximately 27% of all WISE extragalactic sources to a limit of 17.5 mag (31 μJy) are at high redshift, > z 1. The spatial distribution is investigated using two-point correlation functions and a 3D source density characterization at 5 Mpc and 20 Mpc scales. For angular distributions, we find that brighter and more massive sources are strongly clustered relative to fainter sources with lower mass; likewise, based on WISE colors, spheroidal galaxies have the strongest clustering, while late-type disk galaxies have the lowest clustering amplitudes. In three dimensions, we find a number of distinct groupings, often bridged by filaments and superstructures. Using special visualization tools, we map these structures, exploring how clustering may play a role with stellar mass and galaxy type.

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Section: Observed Flux Propertiesmentioning

confidence: 99%

“…To first order, if a galaxy has a W3 detection it is likely to have star formation activity. More so, W4 detections are usually associated with starbursting systems and luminous infrared galaxies (e.g., Tsai et al 2015).…”

Section: Past-to-present Star Formation Historymentioning

confidence: 99%

Galaxy and Mass Assembly (GAMA): Exploring the WISE Web in G12

Jarrett

Cluver

Magoulas

et al. 2017

ApJ

120

151

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“…-L e ; e.g., Eisenhardt et al 2012;Hainline et al 2014;Wu et al 2014) Tsai et al 2015) IR galaxies (HyLIRGs and ELIRGs, respectively). This was accomplished by selecting objects that are faint or undetected in the W1 (3.4 μm) and W2 (4.6 μm) bands but bright in the W3 (12 μm) and W4 (22 μm) bands.…”

Section: Introductionmentioning

confidence: 99%

NuSTAR OBSERVATIONS OF WISE J1036+0449, A GALAXY AT z ∼ 1 OBSCURED BY HOT DUST

Ricci

Assef

Stern

et al. 2017

ApJ

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Hot, Dust-Obscured Galaxies (Hot DOGs), selected from the WISE all sky infrared survey, host some of the most powerful Active Galactic Nuclei (AGN) known, and might represent an important stage in the evolution of galaxies. Most known Hot DOGs are at z > 1.5, due in part to a strong bias against identifying them at lower redshift related to the selection criteria. We present a new selection method that identifies 153 Hot DOG candidates at z ∼ 1, where they are significantly brighter and easier to study. We validate this approach by measuring a redshift z = 1.009, and an SED similar to higher redshift Hot DOGs for one of these objects, WISE J1036+0449 (L Bol ≃ 8 × 10 46 erg s −1 ), using data from Keck/LRIS and NIRSPEC, SDSS, and CSO. We find evidence of a broadened component in Mg ii, which, if due to the gravitational potential of the supermassive black hole, would imply a black hole mass of M BH ≃ 2 × 10 8 M ⊙ , and an Eddington ratio of λ Edd ≃ 2.7. WISE J1036+0449 is the first Hot DOG detected by NuSTAR, and the observations show that the source is heavily obscured, with a column density of N H ≃ (2 − 15) × 10 23 cm −2 . The source has an intrinsic 2-10 keV luminosity of ∼ 6×10 44 erg s −1 , a value significantly lower than that expected from the mid-infrared/Xray correlation. We also find that the other Hot DOGs observed by X-ray facilities show a similar deficiency of X-ray flux. We discuss the origin of the X-ray weakness and the absorption properties of Hot DOGs. Hot DOGs at z 1 could be excellent laboratories to probe the characteristics of the accretion flow and of the X-ray emitting plasma at extreme values of the Eddington ratio.

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“…Urrutia et al 2008;Brusa et al 2010;Banerji et al 2012Banerji et al , 2013Banerji et al , 2015bGlikman et al 2012;Eisenhardt et al 2012;Tsai et al 2015). While in principle, any or all of these populations could represent the missing evolutionary link between star forming galaxies and optical quasars, in practice further multiwavelength observations are necessary to establish that these obscured quasars are indeed distinct in terms of their physical properties from matched control samples of unobscured quasars.…”

Section: Introductionmentioning

confidence: 99%

The discovery of gas-rich, dusty starbursts in luminous reddened quasars atz∼ 2.5 with ALMA

Banerji

Carilli

Jones

et al. 2016

Mon. Not. R. Astron. Soc.

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We present ALMA observations of cold dust and molecular gas in four high-luminosity, heavily reddened (A V ∼ 2.5 − 6 mag) Type 1 quasars at z ∼ 2.5 with virial M BH ∼ 10 10 M , to test whether dusty, massive quasars represent the evolutionary link between submillimetre bright galaxies (SMGs) and unobscured quasars. All four quasars are detected in both the dust continuum and in the 12 CO(3-2) line. The mean dust mass is 6×10 8 M assuming a typical high redshift quasar spectral energy distribution (T=41K, β=1.95 or T=47K, β=1.6). The implied star formation rates are very high -1000 M yr −1 in all cases. Gas masses estimated from the CO line luminosities cover ∼1-5×10 10 (α CO /0.8)M and the gas depletion timescales are very short -∼ 5 − 20Myr. A range of gas-to-dust ratios is observed in the sample. We resolve the molecular gas in one quasar -ULASJ2315+0143 (z = 2.561) -which shows a strong velocity gradient over ∼20 kpc. The velocity field is consistent with a rotationally supported gas disk but other scenarios, e.g. mergers, cannot be ruled out at the current resolution of these data. In another quasar -ULASJ1234+0907 (z = 2.503) -we detected molecular line emission from two millimetre bright galaxies within 200 kpc of the quasar, suggesting that this quasar resides in a significant over-density. The high detection rate of both cold dust and molecular gas in these sources, suggests that reddened quasars could correspond to an early phase in massive galaxy formation associated with large gas reservoirs and significant star formation.

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THE MOST LUMINOUS GALAXIES DISCOVERED BYWISE

Cited by 163 publications

References 115 publications

Galaxy and Mass Assembly (GAMA): Exploring the WISE Web in G12

Galaxy and Mass Assembly (GAMA): Exploring the WISE Web in G12

NuSTAR OBSERVATIONS OF WISE J1036+0449, A GALAXY AT z ∼ 1 OBSCURED BY HOT DUST

The discovery of gas-rich, dusty starbursts in luminous reddened quasars atz∼ 2.5 with ALMA

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