2012ApJ...756..101G

Query : 2012ApJ...756..101G

2012ApJ...756..101G - Astrophys. J., 756, 101 (2012/September-1)

Submillimeter observations of millimeter bright galaxies discovered by the South Pole Telescope.

GREVE T.R., VIEIRA J.D., WEISS A., AGUIRRE J.E., AIRD K.A., ASHBY M.L.N., BENSON B.A., BLEEM L.E., BRADFORD C.M., BRODWIN M., CARLSTROM J.E., CHANG C.L., CHAPMAN S.C., CRAWFORD T.M., DE BREUCK C., DE HAAN T., DOBBS M.A., DOWNES T., FASSNACHT C.D., FAZIO G., GEORGE E.M., GLADDERS M., GONZALEZ A.H., HALVERSON N.W., HEZAVEH Y., HIGH F.W., HOLDER G.P., HOLZAPFEL W.L., HOOVER S., HRUBES J.D., JOHNSON M., KEISLER R., KNOX L., LEE A.T., LEITCH E.M., LUEKER M., LUONG-VAN D., MALKAN M., MARRONE D.P., McINTYRE V., McMAHON J.J., MEHL J., MENTEN K.M., MEYER S.S., MONTROY T., MURPHY E.J., NATOLI T., PADIN S., PLAGGE T., PRYKE C., REICHARDT C.L., REST A., ROSENMAN M., RUEL J., RUHL J.E., SCHAFFER K.K., SHARON K., SHAW L., SHIROKOFF E., STALDER B., STANFORD S.A., STANISZEWSKI Z., STARK A.A., STORY K., VANDERLINDE K., WALSH W., WELIKALA N. and WILLIAMSON R.

Abstract (from CDS):

We present APEX SABOCA 350 µm and LABOCA 870 µm observations of 11 representative examples of the rare, extremely bright (S_1.4 mm_> 15 mJy), dust-dominated millimeter-selected galaxies recently discovered by the South Pole Telescope. All 11 sources are robustly detected with LABOCA with 40 mJy < S_870 µm_< 130 mJy, approximately an order of magnitude higher than the canonical submillimeter galaxy (SMG) population. Six of the sources are also detected by SABOCA at >3σ, with the detections or upper limits providing a key constraint on the shape of the spectral energy distribution (SED) near its peak. We model the SEDs of these galaxies using a simple modified blackbody and perform the same analysis on samples of SMGs of known redshift from the literature. These calibration samples inform the distribution of dust temperature for similar SMG populations, and this dust temperature prior allows us to derive photometric redshift estimates and far-infrared luminosities for the sources. We find a median redshift of  = 3.0, higher than the  = 2.2 inferred for the normal SMG population. We also derive the apparent size of the sources from the temperature and apparent luminosity, finding them to appear larger than our unlensed calibration sample, which supports the idea that these sources are gravitationally magnified by massive structures along the line of sight.

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Journal keyword(s): galaxies: evolution - galaxies: formation - galaxies: high-redshift - galaxies: starburst - submillimeter: galaxies

Nomenclature: Fig. 1, Table 1: [GVW2012] SPT-S JHHMMSS+DDMM.m-A N=7.

Simbad objects: 26

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Number of rows : 26
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 SPT-S J051259-5935.6 rG 05 12 57.80 -59 35 39.6           ~ 1 0
2 ACT-S J052903-543650 rG 05 29 03.370 -54 36 40.30           ~ 21 0
3 ACT-S J053250-504709 rG 05 32 51.270 -50 47 09.50           ~ 22 1
4 ACT-S J053817-503058 rG 05 38 16.830 -50 30 52.00           ~ 33 1
5 SPT-S J055002-5356.6 rG 05 50 01.080 -53 56 41.20           ~ 2 0
6 ACT-S J055139-505800 rG 05 51 38.970 -50 58 03.30           ~ 17 0
7 ClG 0657-56 ClG 06 58 26.9 -55 58 21           ~ 1077 1
8 QSO J0831+5245 QSO 08 31 41.7108197808 +52 45 17.616994560   19.2   14.5 13.9 ~ 574 1
9 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
10 [VV96] J102434.5+470911 Sy1 10 24 34.5 +47 09 11     20.5     ~ 489 0
11 QSO J1415+1129 QSO 14 15 46.25 +11 29 43.4   17.63 17.23     ~ 678 0
12 IC 1127 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 3090 4
13 NAME Eyelash LeG 21 35 11.60 -01 02 52.0           ~ 245 0
14 ClG J2135-0102 ClG 21 35 12.00 -01 03 00.1           ~ 70 0
15 SPT-S J231922-5557.9 rG 23 19 22.200 -55 57 57.80           ~ 21 0
16 [GVW2012] SPT-S J233227-5358.5 C smm 23 32 25.80 -53 58 38.0           ~ 1 0
17 SPT-S J233227-5358.5 rG 23 32 26.50 -53 58 39.8           ~ 14 1
18 [GVW2012] SPT-S J233227-5358.5 F smm 23 32 27.10 -56 58 17.0           ~ 1 0
19 [GVW2012] SPT-S J233227-5358.5 B smm 23 32 27.60 -53 58 42.8           ~ 1 0
20 [GVW2012] SPT-S J233227-5358.5 D smm 23 32 29.00 -53 57 59.0           ~ 1 0
21 [GVW2012] SPT-S J233227-5358.5 E smm 23 32 29.40 -53 59 31.0           ~ 1 0
22 [GVW2012] SPT-S J233227-5358.5 A smm 23 32 29.70 -53 58 38.4           ~ 1 0
23 SPT-S J234942-5638.2 rG 23 49 42.700 -56 38 18.90           ~ 12 0
24 [GVW2012] SPT-S J234942-5638.2 A smm 23 49 43.10 -53 58 17.0           ~ 1 0
25 SPT-S J235338-5010.2 rG 23 53 39.500 -50 10 04.60           ~ 2 0
26 SPT-S J235718-5153.6 rG 23 57 16.850 -51 53 51.50           ~ 11 0

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