2016MNRAS.461.1719C

Query : 2016MNRAS.461.1719C

2016MNRAS.461.1719C - Mon. Not. R. Astron. Soc., 461, 1719-1733 (2016/September-2)

H-ATLAS: a candidate high redshift cluster/protocluster of star-forming galaxies.

CLEMENTS D.L., BRAGLIA F., PETITPAS G., GREENSLADE J., COORAY A., VALIANTE E., DE ZOTTI G., O'HALLORAN B., HOLDSHIP J., MORRIS B., PEREZ-FOURNON I., HERRANZ D., RIECHERS D., BAES M., BREMER M., BOURNE N., DANNERBAUER H., DARIUSH A., DUNNE L., EALES S., FRITZ J., GONZALEZ-NUEVO J., HOPWOOD R., IBAR E., IVISON R.J., LEEUW L.L., MADDOX S., MICHALOWSKI M.J., NEGRELLO M., OMONT A., OTEO I., SERJEANT S., VALTCHANOV I., VIEIRA J.D., WARDLOW J. and VAN DER WERF P.

Abstract (from CDS):

We investigate the region around the Planck-detected z=3.26 gravitationally lensed galaxy HATLAS J114637.9-001132 (hereinafter HATLAS12-00) using both archival Herschel data from the H-ATLAS survey and using submm data obtained with both LABOCA and SCUBA2. The lensed source is found to be surrounded by a strong overdensity of both Herschel-SPIRE sources and submm sources. We detect 17 bright (S870 > ∼7 mJy) sources at >4σ closer than 5 arcmin to the lensed object at 850/870 µm. 10 of these sources have good cross-identifications with objects detected by Herschel-SPIRE which have redder colours than other sources in the field, with 350 µm flux >250 µm flux, suggesting that they lie at high redshift. Submillimeter Array (SMA) observations localise one of these companions to ∼1 arcsec, allowing unambiguous cross identification with a 3.6 and 4.5 µm Spitzer source. The optical/near-IR spectral energy distribution of this source is measured by further observations and found to be consistent with z > 2, but incompatible with lower redshifts. We conclude that this system may be a galaxy cluster/protocluster or larger scale structure that contains a number of galaxies undergoing starbursts at the same time.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

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

Nomenclature: Fig. 1, Table 1: [CBP2016] LABOCA N (Nos 1-7). Fig. 1, Table 2: [CBP2016] SCUBA2 NN (Nos 1-14).

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

Simbad objects: 17

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Number of rows : 17
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 NAME SGP reg 00 51 26.275 -27 07 41.70           ~ 606 0
2 NGC 1275 Bla 03 19 48.1599902040 +41 30 42.108850836   13.10 12.48 11.09   ~ 4243 3
3 NAME NGC 2071 IR SFR 05 47 04.4 +00 21 49           ~ 75 0
4 IRC +10216 C* 09 47 57.40632 +13 16 43.5648           C9,5e 2455 0
5 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
6 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 3639 0
7 4C 01.28 BLL 10 58 29.60520810 +01 33 58.8237454   18.74 18.28 16.68   ~ 828 2
8 PKS J1140-2628 rG 11 40 48.35884 -26 29 08.6316     22.00     ~ 325 1
9 NAME G12.v2.30 LeG 11 46 37.9 -00 11 32           ~ 34 0
10 M 100 AGN 12 22 54.9299993592 +15 49 20.296257960 10.04 10.05 9.35     ~ 1963 2
11 3C 273 BLL 12 29 06.6998257176 +02 03 08.597629980   13.05 14.830 14.11   ~ 6022 1
12 NAME GOODS-N Field reg 12 36 55.0 +62 14 15           ~ 1364 1
13 NAME SMM J123711+622212 rG 12 37 11.92 +62 22 12.1   27.1786 25.185   24.4196 ~ 237 0
14 NAME NGP reg 12 51 26.275 +27 07 41.70           ~ 1274 0
15 3C 279 Bla 12 56 11.16657958 -05 47 21.5251510   18.01 17.75 15.87   ~ 3205 2
16 IC 1127 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 3090 4
17 NAME RCS J2319+00 Supercluster SCG 23 19 +00.0           ~ 13 0

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