Submillimeter Observations of Millimeter Bright Galaxies Discovered by the South Pole Telescope

Greve, T. R.; Vieira, J. D.; Weiß, A.; Aguirre, James E.; Aird, K. A.; Ashby, M. L. N.; Benson, B. A.; Bleem, L. E.; Bradford, C. M.; Brodwin, M.; Carlstrom, J. E.; Chang, C. L.; Chapman, Scott; Crawford, T. M.; Breuck, C. De; Haan, T. de; Dobbs, M.; Downes, T. P.; Fassnacht, C. D.; Fazio, G. G.; George, E. M.; Gladders, M. D.; Gonzalez, Anthony H.; Halverson, N. W.; Hezaveh, Yashar; High, F. W.; Holder, G. P.; Holzapfel, W. L.; Hoover, S.; Hrubes, J. D.; Johnson, Michael D.; Keisler, R.; Knox, L.; Lee, A. T.; Leitch, E. M.; Lueker, M.; Luong-Van, D.; Malkan, Matthew A.; Marrone, Daniel P.; McIntyre, V.; McMahon, Jeff; Mehl, J.; Menten, K. M.; Meyer, S. S.; Montroy, T. E.; Murphy, E. J.; Natoli, T.; Padin, S.; Plagge, T.; Pryke, C.; Reichardt, Christian; Rest, A.; Rosenman, Marc B.; Ruel, J.; Ruhl, J. E.; Schaffer, K. K.; Sharon, Keren; Shaw, L.; Shirokoff, E.; Stalder, B.; Stanford, S. A.; Staniszewski, Z.; Stark, A. A.; Story, K. T.; Vanderlinde, K.; Walsh, Wilfred M.; Welikala, N.; Williamson, A. R.

doi:10.1088/0004-637x/756/1/101

Cited by 74 publications

(103 citation statements)

References 75 publications

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“…In contrast, several works use millimetric redshifts to study redshift distributions in a statistical sense, as in e.g. Greve et al (2012), which can be useful to understand aggregate populations.…”

Section: Millimetric Photometric Redshiftsmentioning

confidence: 99%

Dusty star-forming galaxies at high redshift

2014

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Far-infrared and submillimeter wavelength surveys have now established the important role of dusty, star-forming galaxies (DSFGs) in the assembly of stellar mass and the evolution of massive galaxies in the Universe. The brightest of these galaxies have infrared luminosities in excess of 10 13 L with implied star-formation rates of thousands of solar masses per year. They represent the most intense starbursts in the Universe, yet many are completely optically obscured. Their easy detection at submm wavelengths is due to dust heated by ultraviolet radiation of newly forming stars. When summed up, all of the dusty, star-forming galaxies in the Universe produce an infrared radiation field that has an equal energy density as the direct starlight emission from all galaxies visible at ultraviolet and optical wavelengths. The bulk of this infrared extragalactic background light emanates from galaxies as diverse as gas-rich disks to mergers of intense starbursting galaxies. Major advances in far-infrared instrumentation in recent years, both spacebased and ground-based, has led to the detection of nearly a million DSFGs, yet our understanding of the underlying astrophysics that govern the start and end of the dusty starburst phase is still in nascent stage. This review is aimed at summarizing the current status of DSFG studies, focusing especially on the detailed characterization of the bestunderstood subset (submillimeter galaxies, who were summarized in the last review of this field over a decade ago, Blain et al. 2002), but also the selection and characterization of more recently discovered DSFG populations. We review DSFG population statistics, their physical properties including dust, gas and stellar contents, their environments, and current theoretical models related to the formation and evolution of these galaxies.

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Section: Millimetric Photometric Redshiftsmentioning

confidence: 99%

Dusty star-forming galaxies at high redshift

2014

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“…We obtain the FIR luminosities LFIR and the dust temperature T d for each source in the SPT DSFG sample by fitting the well-sampled spectral energy distributions (SEDs) with a greybody law fixing the emissivity index (β) at 2.0, µ0 = 100 and fitting λrest < 50 µm, following Greve et al (2012) and Strandet et al (in prep). We integrate the SED between λrest = 42 − 500 µm in the rest frame to obtain LFIR.…”

Section: Fir Luminositiesmentioning

confidence: 99%

“…To compare the low-z and high-z sample with the SPT sources in a consistent way, we compiled published FIR photometry (Gracia-Carpio et al in prep; Appendix B), and derived LFIR and T d using the same fitting code we used for the SPT sources (Greve et al 2012). IRAS and ISO data are available for sources published by Brauher et al (2008), and FIR data are also available for a large number of the GOALS sources at NASA/IPAC Extragalactic Database (NED 7 ).…”

Section: Fir Luminositiesmentioning

confidence: 99%

“…IRAS and ISO data are available for sources published by Brauher et al (2008), and FIR data are also available for a large number of the GOALS sources at NASA/IPAC Extragalactic Database (NED 7 ). The comparison sample contains 165 sources with sufficiently good photometry to derive LFIR and T d using the method in Greve et al (2012) Low-z galaxies High-z galaxies High-z AGN SPT DSFGs…”

Section: Fir Luminositiesmentioning

confidence: 99%

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The nature of the [C ii] emission in dusty star-forming galaxies from the SPT survey

Gullberg

Breuck

Vieira

et al. 2015

Monthly Notices of the Royal Astronomical Society

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147

224

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We present [CII] observations of 20 strongly lensed dusty star forming galaxies at 2.1 < z < 5.7 using APEX and Herschel. The sources were selected on their 1.4 mm flux (S 1.4 mm > 20 mJy) from the South Pole Telescope survey, with far-infrared (FIR) luminosities determined from extensive photometric data. The [CII] line is robustly detected in 17 sources, all but one being spectrally resolved. Eleven out of 20 sources observed in [CII] also have low-J CO detections from ATCA. A comparison with midand high-J CO lines from ALMA reveals consistent [CII] and CO velocity profiles, suggesting that there is little differential lensing between these species. The [CII], low-J CO and FIR data allow us to constrain the properties of the interstellar medium. We find [CII] to CO(1-0) luminosity ratios in the SPT sample of 5200 ± 1800, with significantly less scatter than in other samples. This line ratio can be best described by a medium of [CII] and CO emitting gas with a higher [CII] than CO excitation temperature, high CO optical depth τ CO (1-0) 1, and low to moderate [CII] optical depth τ [CII] 1. The geometric structure of photodissociation regions allows for such conditions.

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“…We assume κ0=0.045 m 2 kg −1 at ν0=250 GHz (Greve et al 2012). The uncertainty in the dust mass therefore depends primarily on the uncertainty in the dust temperature.…”

Section: Dust Continuum: Dust Masses Fir Luminosities and Star Formatimentioning

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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Submillimeter Observations of Millimeter Bright Galaxies Discovered by the South Pole Telescope

Cited by 74 publications

References 75 publications

Dusty star-forming galaxies at high redshift

Dusty star-forming galaxies at high redshift

The nature of the [C ii] emission in dusty star-forming galaxies from the SPT survey

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

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