2011MNRAS.415.3081I

Query : 2011MNRAS.415.3081I

2011MNRAS.415.3081I - Mon. Not. R. Astron. Soc., 415, 3081-3096 (2011/August-3)

Detection of an ultrabright submillimetre galaxy in the Subaru/XMM–Newton deep field using AzTEC/ASTE.

IKARASHI S., KOHNO K., AGUIRRE J.E., ARETXAGA I., ARUMUGAM V., AUSTERMANN J.E., BOCK J.J., BRADFORD C.M., CIRASUOLO M., EARLE L., EZAWA H., FURUSAWA H., FURUSAWA J., GLENN J., HATSUKADE B., HUGHES D.H., IONO D., IVISON R.J., JOHNSON S., KAMENETZKY J., KAWABE R., LUPU R., MALONEY P., MATSUHARA H., MAUSKOPF P.D., MOTOHARA K., MURPHY E.J., NAKAJIMA K., NAKANISHI K., NAYLOR B.J., NGUYEN H.T., PERERA T.A., SCOTT K.S., SHIMASAKU K., TAKAGI T., TAKATA T., TAMURA Y., TANAKA K., TSUKAGOSHI T., WILNER D.J., WILSON G.W., YUN M.S. and ZMUIDZINAS J.

Abstract (from CDS):

We report on the detection of an extremely bright (∼37 mJy at 1100 µm and ∼91 mJy at 880 µm) submillimetre galaxy (SMG), AzTEC-ASTE-SXDF1100.001 (hereafter referred to as SXDF1100.001 or Orochi), discovered in the 1100 µm observations of the Subaru/XMM–Newton Deep Field using AzTEC on ASTE. Subsequent CARMA 1300-µm and SMA 880-µm observations successfully pinpoint the location of Orochi and suggest that it has two components, one extended [full width at half-maximum (FWHM) of ∼4 arcsec] and one compact (unresolved). Z-Spec on CSO has also been used to obtain a wide-band spectrum from 190 to 308 GHz, although no significant emission/absorption lines were found. The derived upper limit to the line-to-continuum flux ratio is 0.1–0.3 (2σ) across the Z-Spec band.

Based on the analysis of the derived spectral energy distribution from optical to radio wavelengths of possible counterparts near the SMA/CARMA peak position, we suggest that Orochi is a lensed, optically dark SMG lying at z ∼ 3.4 behind a foreground, optically visible (but red) galaxy at z ∼ 1.4. The deduced apparent (i.e., no correction for magnification) infrared luminosity (LIR) and star formation rate (SFR) are 6 {x} 1013 L☉ and 11 000 M☉/yr, respectively, assuming that the LIR is dominated by star formation. These values suggest that Orochi will consume its gas reservoir within a short time-scale (3 {x} 107 yr), which is indeed comparable to those in extreme starbursts like the centres of local ultraluminous infrared galaxies (ULIRGs). The cometary activity of Centaur P/2004 A1 (LONEOS)


Abstract Copyright: 2011 The Authors Monthly Notices of the Royal Astronomical Society2011 RAS

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

Nomenclature: [IKA2011] SXDF1100.001 N=1.

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 - 2024 		#notes
1 NGC 253 SyG 00 47 33.134 -25 17 19.68   8.03   6.94 8.1 ~ 3336 2
2 4C 01.02 Bla 01 08 38.77110544 +01 35 00.3171844   18.54 18.39 19.05   ~ 543 1
3 QSO B0130-17 QSO 01 32 43.48746292 -16 54 48.5220804   18.75 18.44 15.44   ~ 224 1
4 NAME SXDSF reg 02 18 00 -05 00.0           ~ 224 1
5 NAME HXMM02 G 02 18 30.680 -05 31 31.80   25.86 25.51 24.80   ~ 16 0
6 QSO B0235+1624 BLL 02 38 38.93010450 +16 36 59.2745528   16.46 15.50 15.92   ~ 1546 2
7 NAME SMM J02399-0136 G 02 39 51.87 -01 35 58.8       21.20   ~ 191 2
8 NGC 1052 Sy2 02 41 04.79849989 -08 15 20.7519527 11.84 11.41 10.47 10.71   ~ 1299 2
9 3C 84 Sy2 03 19 48.1599902040 +41 30 42.108850836   13.10 12.48 11.09   ~ 4008 3
10 NAME Extended Chandra Deep Field South reg 03 32 30.0 -27 48 20           ~ 762 0
11 4C 60.07 rG 05 12 55.1 +60 30 53           ~ 90 1
12 LEDA 17155 Sy2 05 21 01.3994605776 -25 21 45.321827832   15.47 14.75     ~ 498 0
13 ClG 0657-56 ClG 06 58 29.6 -55 56 39           ~ 963 1
14 [JHS2010] 1 smm 06 58 37.31 -55 57 01.5           ~ 11 2
15 QSO J0831+5245 QSO 08 31 41.7108197808 +52 45 17.616994560   19.2   14.5 13.9 ~ 551 1
16 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 5860 6
17 AS2COS 0023.1 G 09 59 42.860 +02 29 38.20           ~ 64 0
18 AzTEC 11 PaG 10 00 08.91 +02 40 10.2           ~ 16 0
19 NGC 3227 Sy1 10 23 30.5765149296 +19 51 54.282206700   12.61 11.79     ~ 1703 1
20 NAME Lockman Hole reg 10 45 00.0 +58 00 00           ~ 840 0
21 LEDA 39024 LIN 12 13 46.107 +02 48 41.50           ~ 354 1
22 NAME GOODS-N Field reg 12 36 55.0 +62 14 15           ~ 1156 1
23 NAME SMM J123711+622212 AGN 12 37 11.92 +62 22 12.1   27.1786 25.185   24.4196 ~ 206 0
24 QSO J1415+1129 QSO 14 15 46.25 +11 29 43.4   17.63 17.23     ~ 650 0
25 NAME Eyelash LeG 21 35 11.60 -01 02 52.0           ~ 228 0
26 ClG J2135-0102 ClG 21 35 12.00 -01 03 00.1           ~ 61 0
27 SSA 22 reg 22 17 34.7 +00 15 07           ~ 326 0
28 3C 454.3 Bla 22 53 57.7480438728 +16 08 53.561508864   16.57 16.10 15.22   ~ 2848 2
29 6C 232758+390950 EmG 23 30 24.94 +39 27 12.0   24.70 23.97     ~ 54 2
30 NGC 7771 GiG 23 51 24.880 +20 06 42.57 13.42 13.08 12.25     ~ 338 4

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