2010ApJ...708L..36A

Query : 2010ApJ...708L..36A

2010ApJ...708L..36A - Astrophys. J., 708, L36-L41 (2010/January-1)

Environment of MAMBO galaxies in the COSMOS field.

ARAVENA M., BERTOLDI F., CARILLI C., SCHINNERER E., McCRACKEN H.J., SALVATO M., RIECHERS D., SHETH K., SMOLCIC V., CAPAK P., KOEKEMOER A.M. and MENTEN K.M.

Abstract (from CDS):

Submillimeter galaxies (SMGs) represent a dust-obscured high-redshift population undergoing massive star formation activity. Their properties and space density have suggested that they may evolve into spheroidal galaxies residing in galaxy clusters. In this Letter, we report the discovery of compact (∼10''-20'') galaxy overdensities centered at the position of three SMGs detected with the Max-Planck millimeter bolometer camera in the COSMOS field. These associations are statistically significant. The photometric redshifts of galaxies in these structures are consistent with their associated SMGs; all of them are between z = 1.4and2.5, implying projected physical sizes of ∼170 kpc for the overdensities. Our results suggest that about 30% of the radio-identified bright SMGs in that redshift range form in galaxy density peaks in the crucial epoch when most stars formed.

Abstract Copyright: ∼

Journal keyword(s): galaxies: clusters: general - galaxies: evolution - galaxies: high-redshift - galaxies: starburst

Simbad objects: 30

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Number of rows : 30
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 [BCA2007] VLA J095951.07+021715.7 mm 09 59 51.2 +02 17 20           ~ 2 0
2 COSMOSMAMBO 36W mm 09 59 53.0 +02 18 51           ~ 3 0
3 COSMOSMAMBO 36E Rad 09 59 53.85 +02 18 53.6           ~ 3 0
4 AzTEC J095957.35+021133.2 G 09 59 56.9 +02 11 39           ~ 4 0
5 AzTEC J095959.49+020633.1 rG 09 59 59.96 +02 06 33.1           ~ 11 0
6 COSMOS2015 643983 G 10 00 01.798 +02 16 27.40 24.79 24.17 23.06 22.39 21.691 ~ 14 0
7 AzTEC J100007.77+021151.6 G 10 00 07.8 +02 11 49           ~ 6 0
8 COSMOS 1656861 rG 10 00 08.9 +02 13 04           ~ 4 0
9 COSMOS2015 611299 G 10 00 09.697 +02 13 34.36 24.74 24.37 23.48 23.09 22.151 ~ 9 0
10 COSMOSMAMBO 2E mm 10 00 10.4 +02 13 37           ~ 2 0
11 AS2COS 0032.1 rG 10 00 12.583 +02 14 43.95           ~ 17 0
12 COSMOS J100015.29+021240.5 rG 10 00 15.282 +02 12 40.62           ~ 12 0
13 AzTEC J100015.77+021545.1 smm 10 00 15.7 +02 15 49           ~ 16 0
14 COSMOS2015 526106 rG 10 00 22.337 +02 06 05.06           ~ 14 0
15 AzTEC J100024.20+021748.7 rG 10 00 23.97 +02 17 50.0           ~ 20 0
16 CANDELS COSMOS F160W J100024.03+021749.6 G 10 00 24.03 +02 17 49.7   23.067 21.897   20.223 ~ 31 0
17 AzTEC J100025.56+021530.1 G 10 00 26.2 +02 15 29           ~ 20 0
18 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 3639 0
19 AzTEC J100031.47+021239.0 rG 10 00 31.9 +02 12 41           ~ 4 0
20 [BCA2007] VLA J100034.31+020302.3 mm 10 00 34.3 +02 03 04           ~ 2 0
21 COSMOSMAMBO MM J100038+020825 mm 10 00 38.1 +02 08 25           ~ 7 0
22 COSMOSMAMBO MM J100047+021018 mm 10 00 47.3 +02 10 18           ~ 4 0
23 [BCA2007] VLA J100048.89+020125.4 mm 10 00 49.0 +02 01 26           ~ 2 0
24 COSMOS 1594330 rG 10 00 56.5 +02 08 41           ~ 3 0
25 ACS-GC 20060854 rG 10 00 57.2 +02 03 22 24.21 23.96 23.69 23.34 22.77 ~ 19 0
26 AzTEC J100057.20+022008.7 rG 10 00 57.2 +02 20 13           ~ 15 0
27 AzTEC J100057.18+021311.7 G 10 00 57.4 +02 13 05           ~ 3 0
28 COSMOSMAMBO MM J100059+021716 mm 10 00 59.4 +02 17 16           ~ 3 0
29 [BCA2007] VLA J100100.22+021813.7 mm 10 01 00.2 +02 18 11           ~ 2 0
30 AzTEC J100109.63+020348.3 rG 10 01 09.8 +02 03 46     27.2     ~ 7 0

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