The extended counterpart of submm source Lockman 850.1

Lutz, D.; Dunlop, James; Almaini, O.; Andreani, P.; Blain, A. W.; Efstathiou, A.; Fox, M.; Genzel, R.; Hasinger, G.; Hughes, D. H.; Ivison, R. J.; Lawrence, Andy; Mann, Robert; Oliver, Seb; Peacock, J. A.; Rigopoulou, D.; Rowan-Robinson, M.; Scott, S. E.; Serjeant, S.; Tacconi, L. J.

doi:10.1051/0004-6361:20011120

Cited by 54 publications

(79 citation statements)

References 32 publications

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“…The largest survey conducted with Scuba was the SHADES survey (Coppin et al, 2005) covering 0.25 deg 2 to 2 mJy RMS, though several prior surveys at 850µm opened up the discovery space for far-infrared galaxies: the Hawai'i Hubble map with 0.2-4 mJy RMS over 110 arcmin 2 (Barger et al, 1999), the 260 arcmin 2 2.5 mJy RMS 8 mJy survey Fox et al, 2002;Lutz et al, 2001;Almaini et al, 2003;Ivison et al, 2002), the HDF Scan map with 125 arcmin 2 to 3 mJy (Borys et al, 2003), CUDSS with 1 mJy RMS over 60 arcmin 2 (Webb et al, 2003), and the lens survey with 1.7 mJy RMS over 45 arcmin 2 . In the mid-2000's, Mambo began producing similarly fruitful results in Elais N2 and Lockman Hole, with 0.8 mJy RMS over 160 arcmin 2 (Greve et al, 2004), 1 mJy RMS over 400 arcmin 2 in COSMOS , 0.7 mJy RMS over 287 arcmin 2 in GOODS-N (Greve et al, 2008), and 0.75 mJy RMS over 566 arcmin 2 in Lockman Hole North (Lindner et al, 2011).…”

Section: Notable Surveys Focused On Dsfg Discoverymentioning

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: Notable Surveys Focused On Dsfg Discoverymentioning

confidence: 99%

Dusty star-forming galaxies at high redshift

2014

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“…Papadopoulos et al 2000). This is comparable to the radio-"quiet" submillimeter source Lockman 850.1, which has been estimated to be at , based on its submillimeter/ 2 Շ z Շ 4 millimeter SED (Lutz et al 2001), as well as other, radio-"loud" galaxies in this redshift range. still within the large observed scatter (see Fig.…”

Section: Identification and Redshift Estimatementioning

confidence: 51%

“…Extrapolation of the steep radio spectrum shows that the contribution of the nonthermal radio emission is negligible at submillimeter wavelengths. For comparison, we overplot a schematic SED representing local ultraluminous galaxies, shifted to (Lutz et al 2001 Serjeant et al 2002) is indicated in Figure 1. WN J0305ϩ3525 was also observed at 1.25 mm using the 37-channel MPIfR Bolometer Array (MAMBO II; Kreysa et al 1998) at the IRAM 30 m telescope on UT 2000 July 18.…”

Section: James Clerk Maxwell Telescope and Iram Observationsmentioning

confidence: 99%

An Obscured Radio Galaxy at High Redshift

Reuland¹,

Breugel²,

Röttgering³

et al. 2003

The Astrophysical Journal

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Perhaps as many as 10% of high-redshift radio galaxy ( ) candidates that are selected using an ultrasteep z 1 2 radio spectrum criterion fail to show optical emission (continuum, lines) in deep Keck exposures. Their parent objects are only detected in the near-IR and are probably heavily obscured and/or at very high redshift. To search for signatures of dust and help constrain the nature and redshifts of these "no-z" radio galaxies, we have conducted a program of submillimeter and millimeter observations. Here we report the first results of a detailed study of one of these objects, WN J0305ϩ3525. It appears associated with a small group of objects and is K ∼ 21-22 strongly detected at both 850 mm and 1.25 mm. On the basis of its faint K-band magnitude, spectral energy distribution, and other evidence, we estimate that the radio galaxy is probably at a redshift . This would z Ӎ 3 ‫ע‬ 1 make WN J0305ϩ3525 a radio-loud hyperluminous infrared galaxy ( ) similar to, but more obscuredthan, other dusty radio galaxies in this redshift range. This, together with the absence of Lya emission and compact ( ) radio structure, suggests that WN J0305ϩ3525 is embedded in a very dense, dusty medium v Շ 1Љ .9 and is probably at an early stage of its formation.

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“…There are indications that some millimeter galaxies may be very large and complex objects (Ivison et al 2001;Lutz et al 2001), however. This requires us to state this conclusion precisely: Our astrometry shows that the region emitting the millimeter (dust) emission does not have an optical/near-IR counterpart down to very faint limits.…”

Section: All Three Millimeter Sources Are Blank Fields In the Opticalmentioning

confidence: 99%

“…Much of the later evidence for individual objects (e.g., Lutz et al 2001) and the statistical analysis on the basis of the…”

Section: All Three Millimeter Sources Are Blank Fields In the Opticalmentioning

confidence: 99%

Untitled

2002

ApJ

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We have used the IRAM Plateau de Bure millimeter interferometer to locate with subarcsecond accuracy the dust emission of three of the brightest 1.2 mm sources in the NTT Deep Field selected from our 1.2 mm Max-Planck-Millimeter Bolometer Array survey at the IRAM 30 m telescope. We combine these results with deep B to K imaging and Very Large Array interferometry. Reliable identifications are an essential step toward an understanding of the high-redshift (sub)millimeter galaxy population, toward testing the common belief that they are scaled-up analogs of local dusty ultraluminous galaxies, and in shedding light on the possible connection to spheroid formation. Strikingly, none of the three accurately located millimeter galaxies MM J120546À0741.5, MM J120539À0745.4, and MM J120517À0743.1 has a K-band counterpart down to the faint limit of K s > 21:9. This implies that these three galaxies either are extremely obscured and/or are at very high redshifts (ze4). We combine our results with literature data for 11 more (sub)millimeter galaxies that are identified with similar reliability. In terms of their K-band properties, the sample divides into three roughly equal groups: (1) undetected to K $ 22, (2) detected in the near-infrared but not the optical, and (3) detected in the optical with the possibility of optical follow-up spectroscopy. We find a trend in this sample between near-infrared to submillimeter and submillimeter to radio spectral indexes, which in comparison to spectral energy distributions (SEDs) of low-redshift infrared-luminous galaxies suggests that the most plausible primary factor causing the extreme near-infrared faintness of our objects is their high redshift. We show that the near-infrared to radio SEDs of the sample are inconsistent with SEDs that resemble local far-infrared cool galaxies with moderate luminosities, which were proposed in some models of the submillimeter sky. We briefly discuss the implications of the results for our understanding of galaxy formation.

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The extended counterpart of submm source Lockman 850.1

Cited by 54 publications

References 32 publications

Dusty star-forming galaxies at high redshift

Dusty star-forming galaxies at high redshift

An Obscured Radio Galaxy at High Redshift

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