2011ApJ...731..100M

Query : 2011ApJ...731..100M

2011ApJ...731..100M - Astrophys. J., 731, 100 (2011/April-3)

The Atacama Cosmology Telescope: extragalactic sources at 148 GHz in the 2008 survey.

MARRIAGE T.A., JUIN J.B., LIN Y.-T., MARSDEN D., NOLTA M.R., PARTRIDGE B., ADE P.A.R., AGUIRRE P., AMIRI M., APPEL J.W., BARRIENTOS L.F., BATTISTELLI E.S., BOND J.R., BROWN B., BURGER B., CHERVENAK J., DAS S., DEVLIN M.J., DICKER S.R., DORIESE W.B., DUNKLEY J., DUNNER R., ESSINGER-HILEMAN T., FISHER R.P., FOWLER J.W., HAJIAN A., HALPERN M., HASSELFIELD M., HERNANDEZ-MONTEAGUDO C., HILTON G.C., HILTON M., HINCKS A.D., HLOZEK R., HUFFENBERGER K.M., HUGHES D.H., HUGHES J.P., INFANTE L., IRWIN K.D., KAUL M., KLEIN J., KOSOWSKY A., LAU J.M., LIMON M., LUPTON R.H., MARTOCCI K., MAUSKOPF P., MENANTEAU F., MOODLEY K., MOSELEY H., NETTERFIELD C.B., NIEMACK M.D., PAGE L.A., PARKER L., QUINTANA H., REID B., SEHGAL N., SHERWIN B.D., SIEVERS J., SPERGEL D.N., STAGGS S.T., SWETZ D.S., SWITZER E.R., THORNTON R., TRAC H., TUCKER C., WARNE R., WILSON G., WOLLACK E. and ZHAO Y.

Abstract (from CDS):

We report on extragalactic sources detected in a 455 deg2 map of the southern sky made with data at a frequency of 148 GHz from the Atacama Cosmology Telescope (ACT) 2008 observing season. We provide a catalog of 157 sources with flux densities spanning two orders of magnitude: from 15 mJy to 1500 mJy. Comparison to other catalogs shows that 98% of the ACT detections correspond to sources detected at lower radio frequencies. Three of the sources appear to be associated with the brightest cluster galaxies of low-redshift X-ray-selected galaxy clusters. Estimates of the radio to millimeter-wave spectral indices and differential counts of the sources further bolster the hypothesis that they are nearly all radio sources, and that their emission is not dominated by re-emission from warm dust. In a bright (>50 mJy) 148 GHz selected sample with complete cross-identifications from the Australia Telescope 20 GHz survey, we observe an average steepening of the spectra between 5, 20, and 148 GHz with median spectral indices of α5–20= -0.07±0.06, α20–148 = -0.39±0.04, and α5–148= -0.20±0.03. When the measured spectral indices are taken into account, the 148 GHz differential source counts are consistent with previous measurements at 30 GHz in the context of a source count model dominated by radio sources. Extrapolating with an appropriately rescaled model for the radio source counts, the Poisson contribution to the spatial power spectrum from synchrotron-dominated sources with flux density less than 20 mJy is C Sync = (2.8±0.3)x10–6µK2.

Abstract Copyright: ∼

Journal keyword(s): cosmic background radiation - galaxies: active - radio continuum: galaxies - surveys

VizieR on-line data: <Available at CDS (J/ApJ/731/100): tablea1.dat>

Nomenclature: Table A1: ACT-S JHHMMSS+DDMMSS N=157.

Simbad objects: 162

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Number of rows : 162
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 ACT-S J001850-511454 BLL 00 18 49.03 -51 14 56.6     19.0     ~ 9 1
2 PMN J0018-4929 Rad 00 18 52.3475541375 -49 29 53.008682119           ~ 7 0
3 PMN J0025-5427 rG 00 25 10.98 -54 27 40.1           ~ 7 1
4 LEDA 453289 rG 00 31 34.4122782952 -51 43 25.561560735           ~ 7 0
5 PMN J0037-5307 rG 00 37 35.35961 -53 07 34.1624           ~ 8 1
6 ACT-S J004012-514950 Rad 00 40 12 -51 49.8           ~ 1 0
7 ACT-S J004042-511830 Rad 00 40 42 -51 18.5           ~ 1 0
8 LEDA 410211 rG 00 49 05.4901598034 -55 21 10.891827267           ~ 7 0
9 3FGL J0049.4-5401 BLL 00 49 48.84 -54 02 43.4           ~ 33 1
10 ACT-S J005240-531127 rG 00 52 40 -53 11.4           ~ 2 0
11 PMN J0056-5241 rG 00 56 04.77568 -52 41 54.5323           ~ 3 0
12 ACT-S J005622-531848 BLL 00 56 21.29 -53 18 47.1           ~ 5 1
13 ACT-S J005706-521423 rG 00 57 05.52996 -52 14 18.1824           ~ 6 1
14 ACT-S J005855-521925 BLL 00 58 55.89979 -52 19 27.8330     23.60 20.22   ~ 19 1
15 PMN J0103-5109 rG 01 03 06.7772337505 -51 09 08.034139886           ~ 6 1
16 ACT-S J010330-513544 rG 01 03 29.9104759165 -51 35 53.012652727           ~ 6 2
17 PKS 0111-537 rG 01 13 23.07385 -53 29 49.9632     19.5     ~ 9 1
18 ACT-S J011654-544653 Rad 01 16 54 -54 46.9           ~ 1 0
19 1RXS J011829.3-511541 Bla 01 18 28.7849916501 -51 15 27.102785774           ~ 6 0
20 PKS J0119-5357 rG 01 19 50.4474237816 -53 57 17.866310292           ~ 9 1
21 PMN J0120-5211 rG 01 20 08.4419979253 -52 11 01.395012157           ~ 6 1
22 QSO B0122-514 Bla 01 24 57.39146099 -51 13 16.1675721   19.77   19.55   ~ 32 1
23 PMN J0125-5325 rG 01 25 02.7551337676 -53 25 04.081444899           ~ 3 1
24 PMN J0126-5102 rG 01 26 24.30800 -51 03 09.5551           ~ 8 1
25 ACT-S J012756-532933 rG 01 27 56 -53 29.6           ~ 2 0
26 PMN J0128-5136 rG 01 27 56.02718 -51 36 40.6366           ~ 6 1
27 PKS J0128-5255 rG 01 28 34.40170 -52 55 19.2382           ~ 13 1
28 ACT-S J013107-545707 rG 01 31 07 -54 57.1           ~ 2 0
29 ACT-S J013225-512903 Rad 01 32 25 -51 29.1           ~ 1 0
30 QSO B0131-522 Bla 01 33 05.76250002 -52 00 03.9454078   18.68 20.3 18.63   ~ 129 1
31 PMN J0134-5525 rG 01 34 08.8609218998 -55 26 17.174537309           ~ 6 1
32 PMN J0135-5149 rG 01 35 40.7841030064 -51 49 43.858532033           ~ 6 1
33 ACT-S J013548-524414 rG 01 35 48.2264813811 -52 44 15.813470757           ~ 5 0
34 ACT-S J013727-543942 rG 01 37 27 -54 39.7           ~ 2 0
35 PMN J0139-5218 rG 01 39 49.7656674723 -52 17 46.590704837           ~ 7 1
36 2MASX J01464857-5202332 BLL 01 46 48.5843293896 -52 02 33.647970516   16.79   15.19   ~ 67 1
37 PMN J0153-5406 rG 01 53 58.4454033627 -54 06 52.855920549           ~ 8 1
38 QSO B0152-513 Bla 01 54 19.6962762864 -51 07 51.731242680     18.9 18.55   ~ 30 1
39 PKS J0155-5125 rG 01 55 57.41 -51 25 45.8           ~ 8 1
40 PKS 0155-549 rG 01 56 49.71225959 -54 39 48.4991724           ~ 15 1
41 ACT-S J015817-500415 AG? 01 58 17.0066 -50 04 16.605           ~ 8 1
42 ACT-S J015914-530902 AG? 01 59 13.31938 -53 08 53.0339           ~ 7 1
43 PKS J0204-5502 rG 02 04 48.6571288190 -55 02 58.982266977           ~ 5 0
44 PMN J0206-5345 rG 02 06 48.0035864770 -53 45 42.833706961           ~ 6 1
45 ACT-S J020920-522921 Rad 02 09 20.0 -52 29 21           ~ 1 0
46 QSO B0208-512 BLL 02 10 46.2004407600 -51 01 01.893013392   17.10 16.93 14.82   ~ 485 1
47 ACT-S J021519-510435 rG 02 15 19 -51 04.6           ~ 2 0
48 PKS 0214-522 rG 02 16 03.19777198 -52 00 12.4757132           ~ 23 1
49 ACT-S J021709-542750 Rad 02 17 09 -54 27.8           ~ 1 0
50 ACT-S J021835-550354 rG 02 18 34.6905150711 -55 03 50.540685880           ~ 4 0
51 ESO 198-8 rG 02 22 15.4452311376 -51 06 29.439612180   14.52 15.5 12.46   ~ 20 1
52 ACT-S J022330-534737 Bla 02 23 30.8706976872 -53 47 39.875617392       19.07   ~ 20 1
53 ACT-S J022530-522547 rG 02 25 29.84 -52 25 55.0           ~ 5 0
54 PMN J0228-5538 rG 02 28 20.9036627313 -55 37 25.475718077           ~ 6 1
55 QSO B0226-559 Bla 02 28 21.5992002288 -55 46 03.292197564     19.0 19.76   ~ 55 1
56 PKS 0227-542 rG 02 29 12.78530889 -54 03 24.0345774           ~ 16 0
57 PKS 0227-527 rG 02 29 25.57 -52 32 26.9           ~ 8 1
58 ACT-S J023245-535634 rG 02 32 45 -53 56.6           ~ 2 0
59 PMN J0233-5029 rG 02 33 56.81489 -50 30 19.6785           ~ 8 1
60 ACT-S J023924-510824 rG 02 39 24 -51 08.4           ~ 2 0
61 ACT-S J024039-542932 BLL 02 40 40.28 -54 29 32.8           ~ 9 1
62 PMN J0241-5345 rG 02 41 54.55 -53 45 42.1           ~ 7 1
63 QSO B0241-513 QSO 02 43 13.7661063936 -51 05 17.517819012     20.1     ~ 16 1
64 ACT-S J024539-525756 Rad 02 45 39.0 -52 57 56           ~ 2 0
65 ACT-S J024614-495346 rG 02 46 14.8079425605 -49 53 50.832751565           ~ 5 0
66 PKS 0248-561 rG 02 49 48.44493 -55 56 22.2701           ~ 9 1
67 ACT-S J025112-520822 rG 02 51 12 -52 08.4           ~ 2 0
68 ACT-S J025204-514554 rG 02 52 04 -51 45.9           ~ 2 0
69 QSO B0252-549 Bla 02 53 29.1803201880 -54 41 51.437517216   17.65 19.3 16.79   ~ 141 1
70 ACT-S J025629-522711 Rad 02 56 29 -52 27.2           ~ 1 0
71 QSO B0257-510 Bla 02 58 38.74798 -50 52 04.3848     20.0 21.8   ~ 22 1
72 ACT-S J025849-533210 rG 02 58 49 -53 32.2           ~ 2 0
73 PMN J0300-5102 rG 03 00 55.1075670908 -51 02 29.142334616           ~ 7 1
74 ACT-S J030132-525603 rG 03 01 32 -52 56.1           ~ 2 0
75 ACT-S J030327-523427 rG 03 03 28.1928857295 -52 34 33.289793444           ~ 6 0
76 PMN J0306-5527 rG 03 06 15.9702200493 -55 28 08.743676422           ~ 6 1
77 ACT-S J031206-554135 Bla 03 12 07.2134820720 -55 41 34.821112632       17.99   ~ 20 1
78 9Y-MST J0314-5102 BLL 03 14 25.70348 -51 04 31.5614 18.57 18.33 18.00 18.4   ~ 47 1
79 ACT-S J031823-533148 rG 03 18 23 -53 31.8           ~ 2 0
80 ACT-S J031910-500031 rG 03 19 10 -50 00.5           ~ 2 0
81 ACT-S J032207-535419 rG 03 22 07 -53 54.3           ~ 2 0
82 [VV98] J032212.4-504233 BLL 03 22 12.4593813971 -50 42 33.018946576     18.20 18.6   ~ 16 0
83 ACT-S J032327-522627 rG 03 23 27.04 -52 26 30.3           ~ 4 0
84 ACT-S J032650-533658 QSO 03 26 50.9811427896 -53 37 01.463771496   18.90 18.79 18.55   ~ 14 1
85 ACT-S J033002-503518 rG 03 30 02.2875560439 -50 35 19.614495301           ~ 5 0
86 PMN J0331-5242 rG 03 31 14.9982213720 -52 41 48.109491240   16.42       ~ 24 1
87 ACT-S J033126-525829 AG? 03 31 26.07485 -52 58 30.3486           ~ 7 1
88 IC 1954 GiG 03 31 31.393 -51 54 17.54   12.14   11.15 11.8 ~ 149 0
89 ACT-S J033133-515352 rG 03 31 33 -51 53.9           ~ 2 0
90 ACT-S J033444-521851 rG 03 34 44 -52 18.8           ~ 2 0
91 QSO B0334-546 QSO 03 35 53.92483282 -54 30 25.1149291   20.0 20.0 17.78   ~ 46 1
92 ACT-S J034157-515140 rG 03 41 57 -51 51.7           ~ 2 0
93 PKS 0342-528 rG 03 43 49.32731 -52 41 16.7781           ~ 11 1
94 LEDA 423719 rG 03 49 41.5 -54 01 07           ~ 6 0
95 QSO B0350-518 QSO 03 51 28.2264951168 -51 42 55.483000020     20.0     ~ 16 1
96 ACT-S J035343-534553 Rad 03 53 43 -53 45.9           ~ 1 0
97 2FGL J0357.0-4950 BLL 03 57 00.1867173024 -49 55 48.618939000 18.29 18.00 17.56 16.8   ~ 54 1
98 PMN J0358-5434 rG 03 58 40.66 -54 33 59.3           ~ 7 1
99 ACT-S J040401-552022 rG 04 03 59.98456 -55 20 23.8921           ~ 5 0
100 ACT-S J040621-503509 rG 04 06 21 -50 35.1           ~ 2 0
101 QSO B0410-519 Bla 04 11 37.1499317880 -51 49 23.348533512     18.0     ~ 26 1
102 PKS 0411-561 rG 04 12 48.1271 -56 00 46.326           ~ 16 0
103 ACT-S J041313-533157 Bla 04 13 13.4752495752 -53 32 00.554079840       18.1   ~ 64 4
104 NGC 1566 Sy1 04 20 00.3968473248 -54 56 16.624708764 10.29 10.19 9.73 9.21 10.1 ~ 1051 2
105 2MASS J04250426-5331581 BLL 04 25 04.2730028208 -53 31 58.259236728           ~ 51 1
106 PMN J0428-5005 rG 04 28 42.63216336 -50 05 34.2945604           ~ 15 1
107 PMN J0428-5429 rG 04 28 52.2071448616 -54 30 08.048680599           ~ 7 1
108 IC 2082 rG 04 29 08.1997552056 -53 49 40.208971800   13.9 12.79     ~ 91 1
109 ACO S 463 ClG 04 29 13.4 -53 44 02           ~ 50 0
110 QSO B0431-512 Bla 04 32 21.1785219912 -51 09 25.182153288     18 17.3   ~ 57 1
111 ACT-S J043651-521632 rG 04 36 52.1224673034 -52 16 38.653244432           ~ 7 0
112 ACT-CL J0438.2-5419 ClG 04 38 17.70 -54 19 20.7           ~ 78 0
113 ACT-S J044115-543848 rG 04 41 15 -54 38.8           ~ 2 0
114 PKS J0441-5154 rG 04 41 58.27710024 -51 54 54.1686782     17.5 22.67   ~ 24 1
115 ACT-S J044502-523426 rG 04 45 02 -52 34.4           ~ 2 0
116 QSO B0446-519 Q? 04 47 47.92249 -51 51 00.2829   19.3       ~ 17 1
117 ACT-S J044821-504140 Bla 04 48 22.3029039600 -50 41 33.832032540           ~ 12 1
118 ACT-S J045028-534659 rG 04 50 28 -53 47.0           ~ 2 0
119 ACT-S J045103-493632 rG 04 51 02.6618212184 -49 36 27.043955322           ~ 6 0
120 PKS J0452-5306 rG 04 52 38.92 -53 06 35.4           ~ 7 1
121 PMN J0455-5531 rG 04 55 03.10 -55 31 13.0           ~ 5 1
122 PMN J0455-5302 rG 04 55 58.88 -53 02 38.4           ~ 8 1
123 ACT-S J050018-532122 rG 05 00 19.18 -53 21 22.4           ~ 8 1
124 PMN J0504-5023 rG 05 04 01.5754709994 -50 23 13.158946455           ~ 7 1
125 ACT-S J051355-505543 rG 05 13 55.89695 -50 55 41.4046           ~ 5 0
126 ACT-S J051812-514359 BLL 05 18 11.72709 -51 44 03.9808           ~ 10 1
127 ACT-S J052046-550823 BLL 05 20 45.1659837240 -55 08 24.563293152           ~ 6 1
128 ACT-S J052317-530836 rG 05 23 18.1680583327 -53 08 37.671642383           ~ 5 0
129 PKS J0527-5426 rG 05 27 43.12219 -54 26 16.7640           ~ 9 1
130 ACT-S J053117-550431 rG 05 31 17 -55 04.5           ~ 2 0
131 PMN J0532-5310 rG 05 32 08.3763633461 -53 10 36.315873926           ~ 7 1
132 PMN J0533-5549 rG 05 33 24.3118680244 -55 49 36.738346925           ~ 17 1
133 2MASS J05345881-5439018 BLL 05 34 58.8448995658 -54 39 01.883607256           ~ 7 1
134 ACT-S J053909-551059 rG 05 39 08.94979 -55 10 59.8723           ~ 4 0
135 QSO B0539-530 QSO 05 40 25.1682096072 -53 03 46.883954880     19.5     ~ 13 1
136 ACT-S J054029-535628 rG 05 40 29.87 -53 56 32.6           ~ 7 1
137 ICRF J054045.8-541822 Bla 05 40 45.8480957784 -54 18 22.095295668   18.49   17.32   ~ 84 1
138 ACT-S J054223-514259 rG 05 42 23.40641 -51 42 57.3732           ~ 6 0
139 PMN J0544-5532 BLL 05 43 57.2123766984 -55 32 07.327939200 17.34 17.18 17.09 16.5   ~ 84 1
140 ACT-S J054830-521836 rG 05 48 30 -52 18.6           ~ 2 0
141 ACT-S J054943-524629 Bla 05 49 43.8053237400 -52 46 25.959251244           ~ 18 1
142 ACT-S J055047-530502 rG 05 50 47 -53 05.0           ~ 2 0
143 ACT-S J055152-552642 AG? 05 51 52.71927 -55 26 31.9923           ~ 6 1
144 PKS 0556-504 rG 05 58 11.6841424800 -50 29 48.755285340           ~ 13 1
145 ACT-S J055830-532640 AG? 05 58 30.43596 -53 26 30.8645           ~ 6 1
146 QSO B0558-5026 BLL 05 59 47.3916612936 -50 26 52.025952120   15.18 14.97     ~ 307 1
147 2MASS J06021256-5425073 rG 06 02 12.5408538096 -54 25 07.310378172           ~ 8 1
148 PMN J0607-5257 rG 06 07 49.1830239601 -52 57 43.671165501           ~ 8 0
149 PKS 0607-549 rG 06 08 49.0595780400 -54 56 42.885903516           ~ 32 1
150 ACT-S J061715-530615 rG 06 17 15 -53 06.3           ~ 2 0
151 ACT-S J061846-532948 Rad 06 18 46 -53 29.8           ~ 1 0
152 PMN J0619-5427 rG 06 19 55.57 -54 27 14.6           ~ 9 1
153 BAX 095.4301-52.6933 ClG 06 21 42.0 -52 41 36           ~ 13 0
154 PKS 0620-526 rG 06 21 43.30328 -52 41 33.2978     15.5 19.34   ~ 92 1
155 ICRF J062552.2-543850 Bla 06 25 52.2308551104 -54 38 50.708996916       18.95   ~ 70 1
156 ACO 3391 ClG 06 26 15.4 -53 40 52           ~ 222 1
157 ESO 161-7 IG 06 26 21.49 -53 41 09.2   14.48 15.4 15.16   ~ 77 2
158 LEDA 19057 LIN 06 26 49.5758024688 -54 32 34.581523416   15.83 16 13.52   ~ 50 1
159 QSO J0631-5405 Bla 06 32 01.1618672256 -54 04 57.471904236   18.15 18.7 17.06   ~ 36 0
160 2MASS J06411128-5202318 BLL 06 41 11.2849261685 -52 02 31.895654135           ~ 4 1
161 PMN J0643-5358 rG 06 43 20.1284780500 -53 58 46.300622939           ~ 8 1
162 ACT-S J064629-545120 rG 06 46 29.01 -54 51 16.0           ~ 4 0

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