Comment éditer Diderot ?

Mortier, Roland

doi:10.3406/rbph.1989.3682

Cited by 41 publications

(59 citation statements)

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“…This perception changed abruptly, however, when it was realized that ULIRGs are vastly more numerous at high redshift. First hinted at by spectroscopic follow-up of Infrared Astronomical Satellite (IRAS ) surveys (Hacking et al 1987;Lonsdale et al 1990;Saunders et al 1990), which showed strong evolution in the ULIRG luminosity function with redshift, this was confirmed by surveys with the Infrared Space Observatory (ISO; Rowan-Robinson et al 1997;Dole et al 2001;Verma et al 2005) and in the submillimeter (Hughes et al 1998;Eales et al 2000;Scott et al 2002;Borys et al 2003;Mortier et al 2005), which showed that there were several hundred ULIRGs per square degree at z k 1. Later surveys with the Spitzer Space Telescope (Werner et al 2004) showed that ULIRGs contributed an increasing fraction of the comoving bolometric energy density with increasing redshift, reaching a level comparable to the contribution from lower luminosity systems at z > 1 ( Le Floc'h et al 2005, their Fig.…”

Section: Introductionmentioning

confidence: 90%

The Nature of Star Formation in Distant Ultraluminous Infrared Galaxies Selected in a Remarkably Narrow Redshift Range

Farrah

Lonsdale

Weedman

et al. 2008

ApJ

142

222

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We present mid-infrared spectra of 32 high-redshift ultraluminous infrared galaxies, selected via the stellar photospheric feature at rest-frame 1.6 m, and an observed-frame 24 m flux of >500 Jy. Nearly all the sample reside in a redshift range of hzi ¼ 1:71 AE 0:15 and have rest-frame 1-1000 m luminosities of 10 12.9 -10 13.8 L . Most of the spectra exhibit prominent polycyclic aromatic hydrocarbon emission features and weak silicate absorption, consistent with a starburst origin for the IR emission. Our selection method appears to be a straightforward and efficient way of finding distant, IR-luminous, star-forming galaxies in narrow redshift ranges. There is, however, evidence that the mid-IR spectra of our sample differ systematically from those of local ULIRGs; our sample have comparable PAH equivalent widths but weaker apparent silicate absorption, and (possibly) enhanced PAH 6.2 m/7.7 m and 6.2 m/ 11.2 m flux ratios. Furthermore, the composite mid-IR spectrum of our sample is almost identical to that of local starbursts with IR luminosities of 10 10 -10 11 L , rather than that of local ULIRGs. These differences are consistent with a reduced dust column, which can plausibly be obtained via some combination of (1) star formation that is extended over spatial scales of 1-4 kpc and (2) star formation in unusually gas-rich regions.

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Section: Introductionmentioning

confidence: 90%

The Nature of Star Formation in Distant Ultraluminous Infrared Galaxies Selected in a Remarkably Narrow Redshift Range

Farrah

Lonsdale

Weedman

et al. 2008

ApJ

142

222

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“…If many of the bright submillimeter galaxies are slightly lensed objects similar to MIPS-J1428, then the implied source counts of inherently bright submillimeter galaxies are overpredicted. Detailed studies, however, exist for only a few sources, and future surveys such as SHADES (Mortier et al 2005) will provide important information about the star formation properties at high redshifts.…”

Section: Discussionmentioning

confidence: 99%

Interferometric 890 μm Images of High-Redshift Submillimeter Galaxies

Iono

Peck

Pope

et al. 2006

ApJ

112

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We present high-resolution 890 mm images of two 20 mJy submillimeter galaxies, SMM J123711ϩ622212 and MIPS J142824.0ϩ352619, obtained using the Submillimeter Array (SMA). Using submillimeter interferometric observations with an angular resolution of 2Љ .5, the coordinates of these high-redshift sources are determined with an accuracy of 0Љ .2. The new SMA data on SMM J123711ϩ622212 reveal an unresolved submillimeter source offset to the east by 0Љ .8 from an optical galaxy found in deep HST images, suggesting either a large galaxy with a dusty central region or an interacting galaxy system. The SMA image of hyperluminous ( ) source MIPS J142824.0ϩ352619 provides a firm upper limit to the source size of Շ1Љ .2.This constraint provides evidence that the foreground lens is only weakly affecting the observed high far-infrared luminosity.

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“…The main aims of the SXDS are to make an accurate measurement of the global properties of the universe without being affected by cosmic variance and to reveal the evolution of the large-scale structure. The SXDS consists of a wealth of multiwavelength data taken by the most modern observing facilities: X-ray imaging/spectroscopic data in the 0.2Y10 keV band taken by the European Photon Imaging Camera (EPIC; Strüder et al 2001;Turner et al 2001) on board XMM-Newton (Jansen et al 2001); multicolor (B, V, R, i 0 , z 0 ) deep optical images by Suprime-Cam on the Subaru telescope ( Furusawa et al 2008); deep near-infrared maps (J, H, K ) observed as the Ultra Deep Survey ( UDS) in the United Kingdom Infrared Deep Sky Survey ( UKIDSS; Lawrence et al 2007), mid-and far-infrared data (3.6Y160 m) taken with Spitzer 11 ; the submillimeter (850 m) map by the SCUBA Half Degree Extragalactic Survey (SHADES; Mortier et al 2005) 12 ; and the deep radio image (1.4 GHz) by the Very Large Array (Simpson et al 2006). The SXDS field is centered at R:A: ¼ 02 h 18 m and decl: ¼ À05 , and the total field of the Subaru Suprime-Cam and XMM-Newton EPIC images covers an area of 1.3 and 1.14 deg 2 , respectively.…”

Section: Introductionmentioning

confidence: 99%

The Subaru/XMM‐NewtonDeep Survey (SXDS). III. X‐Ray Data

Ueda

Watson

Stewart

et al. 2008

Astrophysical Journal Supplement Series, The

174

126

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We present the X-ray source catalog in the Subaru/XMM-Newton deep survey. A continuous area of 1.14 deg 2 centered at R:A: ¼ 02 h 18 m and decl: ¼ À05 is mapped by seven pointings with XMM-Newton covering the 0.2Y10 keV band. From the combined images of the EPIC pn and MOS cameras, we detect 866, 1114, 645, and 136 sources with sensitivity limits of 6 ; 10 À16 , 8 ; 10 À16 , 3 ; 10 À15 , and 5 ; 10 À15 ergs cm À2 s À1 in the 0.5Y2, 0.5Y4.5, 2Y10, and 4.5Y10 keV bands, respectively, with detection likelihood !7 (corresponding to a confidence level of 99.91%). The catalog consists of 1245 sources in total including 32 extended-source candidates. The averaged log N Ylog S relations are in good agreement with previous results, bridging the flux range between Chandra deep surveys and brighter surveys. The log N Ylog S relations show significant spatial variation among pointings on a scale of 0.2 deg 2 . Analyzing the autocorrelation function, we detect significant clustering signals from the 0.5Y2 keV band sample, which can be fit with a power-law form (/ c ) À0:8 with a correlation length of c ¼ 5:9 þ1:0 À0:9 arcsec when the integral constraint term is included. In the 2Y10 keV band, however, the clustering is not significant with a 90% upper limit of c < 1:5 00 .

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Comment éditer Diderot ?

Cited by 41 publications

References 0 publications

The Nature of Star Formation in Distant Ultraluminous Infrared Galaxies Selected in a Remarkably Narrow Redshift Range

The Nature of Star Formation in Distant Ultraluminous Infrared Galaxies Selected in a Remarkably Narrow Redshift Range

Interferometric 890 μm Images of High-Redshift Submillimeter Galaxies

The Subaru/XMM‐NewtonDeep Survey (SXDS). III. X‐Ray Data

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