2008MNRAS.384.1611K

Query : 2008MNRAS.384.1611K

2008MNRAS.384.1611K - Mon. Not. R. Astron. Soc., 384, 1611-1626 (2008/March-2)

Probing the submillimetre number counts at f850µm< 2mJy.

KNUDSEN K.K., VAN DER WERF P.P. and KNEIB J.-P.

Abstract (from CDS):

We have conducted a submillimetre mapping survey of faint, gravitationally lensed sources, where we have targeted 12 galaxy clusters and additionally the New Technology Telescope (NTT) Deep Field. The total area surveyed is 71.5arcmin2 in the image plane; correcting for gravitational lensing, the total area surveyed is 40arcmin2 in the source plane for a typical source redshift z ~ 2.5. In the deepest maps, an image plane depth of 1σ rms ∼0.8mJy is reached. This survey is the largest survey to date to reach such depths. In total 59 sources were detected, including three multiply imaged sources. The gravitational lensing makes it possible to detect sources with flux density below the blank field confusion limit. The lensing-corrected fluxes range from 0.11 to 19 mJy. After correcting for multiplicity, there are 10 sources with fluxes <2mJy of which seven have submJy fluxes, doubling the number of such sources known. Number counts are determined below the confusion limit. At 1mJy, the integrated number count is ∼104/deg2, and at 0.5mJy it is ∼2x104/deg2. Based on the number counts, at a source plan flux limit of 0.1 mJy, essentially all of the 850-µm background emission has been resolved. The dominant contribution (>50 per cent) to the integrated background arises from sources with fluxes S850between 0.4 and 2.5mJy, while the bright sources S850> 6mJy contribute only 10 per cent.

Abstract Copyright: 2008 The Authors. Journal compilation © 2008 RAS

Journal keyword(s): surveys - galaxies: evolution - galaxies: high-redshift - galaxies: starburst - submillimetre

VizieR on-line data: <Available at CDS (J/MNRAS/384/1611): table1.dat table3.dat>

Nomenclature: Table 3: [KVK2008] SMM JHHMMSS.s+DDMMSS N=59.

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 29

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Number of rows : 29
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 ClG 0016+16 ClG 00 18 33.3 +16 26 36           ~ 517 0
2 ACO 478 ClG 04 13 24.8 +10 27 52           ~ 522 0
3 [VV2006] J041327.2+102743 QSO 04 13 27.2 +10 27 43     19.50   19.50 ~ 36 0
4 ACO 496 ClG 04 33 40.8 -13 14 34           ~ 728 2
5 ACO 520 ClG 04 54 10.1 +02 55 38           ~ 465 0
6 ClG 1054-03 ClG 10 57 00.2 -03 37 27     22     ~ 458 0
7 NAME NTTDF reg 12 05 -07.5           ~ 21 0
8 [DLL2002] MM J120517-0743.1 G 12 05 17.93 -07 43 06.6           ~ 6 0
9 [DLL2002] MM J120522-0745.1 G 12 05 22.86 -07 45 10.0           ~ 2 0
10 NAME Hubble Deep Field reg 12 36 49.5 +62 12 58           ~ 1967 1
11 [KVK2008] SMM J131128.6-012036 LeI 13 11 28.6 -01 20 36           ~ 2 0
12 [KVK2008] SMM J131129.1-012049 LeI 13 11 29.1 -01 20 49           ~ 2 0
13 ACO 1689 ClG 13 11 29.5 -01 20 28           ~ 1178 0
14 [KVK2008] SMM J131132.0-011955 LeI 13 11 32.0 -01 19 55           ~ 2 0
15 [KVK2008] SMM J131134.1-012021 LeI 13 11 34.1 -01 20 21           ~ 2 0
16 [KVK2008] SMM J131135.1-012018 LeI 13 11 35.1 -01 20 18           ~ 2 0
17 ClG J1347-1145 ClG 13 47 30.5 -11 45 07           ~ 577 0
18 [FIK97] G1 EmG 13 59 49.430 +62 30 45.13           ~ 25 1
19 ZwCl 1358+6245 ClG 13 59 54.3 +62 30 36     18.5     ~ 370 0
20 ACO 2204 ClG 16 32 47.7 +05 34 18           ~ 457 0
21 ACO 2218 ClG 16 35 54.0 +66 13 00           ~ 827 1
22 NAME SMM J16359+66118 GiC 16 35 54.8 +66 11 52           ~ 23 2
23 NAME SMM J16359+6613 G 16 35 55.62 +66 12 59.5           ~ 62 1
24 NAME SMM J16403+46437 smm 16 40 15.8 +46 43 39           ~ 3 0
25 NAME SMM J16404+4643 smm 16 40 21.0 +46 42 45           ~ 2 0
26 ACO 2219 ClG 16 40 22.1 +46 42 20           ~ 381 0
27 NAME SMM J16404+4644 smm 16 40 22.2 +46 44 13           ~ 3 0
28 ACO 2597 ClG 23 25 19.70 -12 07 27.7           ~ 572 0
29 NAME Hawaii Deep Field reg ~ ~           ~ 9 0

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