2010ApJ...716.1514Y


Query : 2010ApJ...716.1514Y

2010ApJ...716.1514Y - Astrophys. J., 716, 1514-1521 (2010/June-3)

The dearth of chemically enriched warm-hot circumgalactic gas.

YAO Y., WANG Q.D., PENTON S.V., TRIPP T.M., SHULL J.M. and STOCKE J.T.

Abstract (from CDS):

The circumgalactic medium (CGM) around galaxies is believed to record various forms of galaxy feedback and contain a significant portion of the "missing baryons" of individual dark matter halos. However, clear observational evidence for the existence of the hot CGM is still absent. We use intervening galaxies along 12 background active galactic nuclei (AGNs) as tracers to search for X-ray absorption lines produced in the corresponding CGM. Stacking Chandra grating observations with respect to galaxy groups and different luminosities of these intervening galaxies, we obtain spectra with signal-to-noise ratios of 46-72 per 20 mÅ spectral bin at the expected O VII Kα line. We find no detectable absorption lines of C VI, N VII, O VII, O VIII, or Ne IX. The high spectral quality allows us to tightly constrain upper limits to the corresponding ionic column densities (in particular log[N_O vii(cm^-2)]≤14.2–14.8). These nondetections are inconsistent with the Local Group hypothesis of the X-ray absorption lines at z =~ 0 commonly observed in the spectra of AGNs. These results indicate that the putative CGM in the temperature range of 105.5-106.3 K may not be able to account for the missing baryons unless the metallicity is less than 10% solar.

Abstract Copyright:

Journal keyword(s): cosmology: observations - intergalactic medium - quasars: absorption lines - X-rays: general

VizieR on-line data: <Available at CDS (J/ApJ/716/1514): table1.dat table2.dat>

Nomenclature: Table 2: [YWP2010] DDD.ddd+DD.ddd N=144.

Simbad objects: 144

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Number of rows : 144
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 [YWP2010] 013.218-22.099 G 00 52 52 -22 05.9   16.46       ~ 1 0
2 EQ J005704.2-222658.2 G 00 57 04.2 -22 26 58   19.9       ~ 2 0
3 2MASX J00570854-2218292 EmG 00 57 08.5564228200 -22 18 29.402096400   18.10       ~ 4 0
4 Ton S 180 Sy1 00 57 20.2040816832 -22 22 56.575212564   14.60 14.34 15.23   ~ 289 0
5 [YWP2010] 020.710-58.738 G 01 22 50 -58 44.3   20.40       ~ 1 0
6 ESO 113-45 Sy1 01 23 45.7631533440 -58 48 20.808928944   14.08 13.83 13.34   ~ 835 0
7 UGC 2996 GiG 04 15 35.4848413464 +01 10 51.269660436   15.30       ~ 18 0
8 QSO B0414+009 BLL 04 16 52.4945693352 +01 05 23.899102620   16.86 16.38 16   ~ 268 0
9 NGC 1541 GiG 04 17 00.2254020984 +00 50 06.661212432   14.90       ~ 18 0
10 UGC 6258 EmG 11 13 49.885 +21 31 13.18   15.60       ~ 29 0
11 CAIRNS J111822.08+213004.6 GiC 11 18 22.047 +21 30 04.11   18.20       ~ 5 0
12 CAIRNS J111843.32+212723.3 GiC 11 18 43.289 +21 27 23.00   17.23       ~ 7 0
13 2MASX J11184437+2133512 GiC 11 18 44.384 +21 33 51.06   15.60       ~ 15 0
14 LEDA 1650760 GiC 11 18 45.838 +21 28 26.77   16.37       ~ 8 0
15 CAIRNS J111905.40+211538.1 GiC 11 19 05.345 +21 15 37.76   17.29       ~ 7 0
16 2MASX J11190672+2118292 EmG 11 19 06.6863636232 +21 18 28.791602964   18.6       ~ 15 0
17 Ton 1388 Sy1 11 19 08.6786220240 +21 19 17.987085948   14.91 14.80     ~ 450 0
18 CAIRNS J112216.25+205158.7 GiC 11 22 16.183 +20 51 57.43   16.87       ~ 4 0
19 IC 3019 GiG 12 09 22.257 +13 59 32.73   15.0       ~ 103 0
20 IC 3032 GiG 12 11 07.764 +14 16 30.17   15.3       ~ 76 0
21 SDSS J121141.87+131146.7 G 12 11 41.870 +13 11 46.78   17.35       ~ 6 0
22 LEDA 1441122 G 12 11 53.850 +13 48 30.25   17.12       ~ 9 0
23 LEDA 38883 LSB 12 12 11.119 +12 53 34.98   18       ~ 18 0
24 NGC 4165 GiP 12 12 11.8004144880 +13 14 47.411409372 14.59 14.38 13.54     ~ 116 2
25 MCG+03-31-071 G 12 12 18.984 +15 28 59.13   16.02       ~ 19 0
26 [YWP2010] 183.089+29.207 G 12 12 21 +29 12.4   13.70       ~ 1 0
27 [YWP2010] 183.086+29.210 G 12 12 21 +29 12.6   14.16       ~ 1 0
28 LEDA 38947 G 12 12 49.1183823768 +13 20 49.883798508   18       ~ 15 0
29 SDSS J121309.41+133503.9 LSB 12 13 09.416 +13 35 03.90   17.49       ~ 13 0
30 LEDA 1433167 G 12 13 13.6943832720 +13 31 21.714640680   16.26       ~ 7 0
31 LEDA 38993 G 12 13 17.793 +13 09 35.68   16.0       ~ 11 0
32 LEDA 166125 LSB 12 13 19.1073607632 +28 25 21.068005296   16.35       ~ 12 0
33 UGC 7223 G 12 13 26.290 +14 46 19.24   16.00       ~ 66 1
34 IC 3049 BiC 12 13 33.355 +14 28 50.96   15.70       ~ 45 0
35 [YWP2010] 183.438+13.424 PoG 12 13 45 +13 25.4   14.48       ~ 1 0
36 [YWP2010] 183.447+13.424 PoG 12 13 47 +13 25.4   12.96       ~ 1 0
37 M 98 LIN 12 13 48.2910686976 +14 54 01.953475200 11.25 10.95 10.14     ~ 466 1
38 [YWP2010] 183.454+13.430 PoG 12 13 49 +13 25.8   16.57       ~ 1 0
39 SDSS J121352.97+141312.5 G 12 13 52.9689112656 +14 13 12.571221612   17.96       ~ 5 0
40 2XMM J121356.9+140853 G 12 13 57.0358247448 +14 08 53.683942272   17.03       ~ 5 0
41 IC 3053A LIN 12 14 07.3609206600 +14 09 24.836818860   15.43       ~ 20 0
42 [YWP2010] 183.540+14.072 G 12 14 10 +14 04.3   16.53       ~ 1 0
43 [YWP2010] 183.540+14.073 G 12 14 10 +14 04.4   16.70       ~ 1 0
44 LEDA 1451140 G 12 14 13.671 +14 10 21.99   17.63       ~ 4 0
45 LEDA 39080 G 12 14 14.430 +13 32 34.64   17       ~ 20 0
46 PB 3894 Sy1 12 14 17.6738687784 +14 03 13.182723144   14.46 14.19     ~ 794 0
47 SDSS J121419.86+132706.5 G 12 14 19.869 +13 27 06.51   17.32       ~ 5 0
48 2MASX J12141993+1405096 G 12 14 19.8799026552 +14 05 09.937144572   17.30       ~ 5 0
49 LEDA 1453421 G 12 14 30.168 +14 15 12.46   17.67       ~ 9 0
50 LEDA 39131 GiC 12 14 47.292 +13 05 06.35   17       ~ 29 0
51 IC 3061 GiG 12 15 04.519 +14 01 44.31   14.9       ~ 142 0
52 LEDA 39164 G 12 15 08.547 +14 58 18.74   18       ~ 13 0
53 IC 3065 GiG 12 15 12.5592175920 +14 25 58.469336508   14.7       ~ 89 0
54 UGC 7269 G 12 15 40.0915388520 +15 00 19.781490924   16.25       ~ 23 0
55 IC 3077 GiG 12 15 56.356 +14 26 00.87   15.4       ~ 72 0
56 IC 3081 G 12 16 09.0661264512 +12 41 28.641852744   15.60       ~ 27 0
57 UGC 7300 GiC 12 16 43.23 +28 43 55.8   17.00 15.49     ~ 49 0
58 [BGF2001] cs 1008 GiC 12 16 51.405 +29 03 17.09   16.90 16.60     ~ 7 0
59 [YWP2010] 184.218+14.515 G 12 16 52 +14 30.9   15.17       ~ 1 0
60 [YWP2010] 184.218+14.516 GiP 12 16 52 +14 31.0   15.40       ~ 2 0
61 SDSS J121656.25+303306.1 G 12 16 56.256 +30 33 06.11   17.34       ~ 4 0
62 LEDA 39415 LSB 12 17 26.5446669288 +13 44 13.297175232   18       ~ 22 0
63 EVCC 294 LSB 12 18 04.260 +14 45 10.46   16.89       ~ 13 0
64 NGC 4251 GiP 12 18 08.3407168056 +28 10 31.135758600   11.5       ~ 194 0
65 NGC 4253 Sy1 12 18 26.5163572920 +29 48 46.531535472   14.34 13.57     ~ 1009 1
66 NGC 4262 GiG 12 19 30.5694336288 +14 52 39.517143276 13.00 12.49 11.55     ~ 346 1
67 [YWP2010] 184.910+31.215 G 12 19 38.430 +31 12 53.94   17.83       ~ 3 0
68 NGC 4267 GiG 12 19 45.2735790120 +12 47 53.704780368   12.4       ~ 238 0
69 NGC 4274 LIN 12 19 50.5930710456 +29 36 53.238538764 11.78 11.34 10.41     ~ 237 1
70 NGC 4283 GiG 12 20 20.7691223880 +29 18 39.154727556 13.47 13.00 12.07     ~ 192 1
71 MCG+05-29-066 GiG 12 20 35.520 +30 47 48.72   15.0       ~ 20 0
72 NGC 4302 GiP 12 21 42.477 +14 35 51.94   13.4 11.61     ~ 312 0
73 NGC 4314 LIN 12 22 32.0223000912 +29 53 43.814812200 11.72 11.43 10.58     ~ 470 1
74 [YWP2010] 186.421+02.159 G 12 25 41 +02 09.5   21.25       ~ 1 0
75 [YWP2010] 186.427+02.157 G 12 25 42 +02 09.4   15.70       ~ 1 0
76 [YWP2010] 186.426+02.157 G 12 25 42 +02 09.4   16.39       ~ 1 0
77 [YWP2010] 186.574+01.742 G 12 26 18 +01 44.5   17.36       ~ 1 0
78 [YWP2010] 186.575+01.742 G 12 26 18 +01 44.5   17.25       ~ 1 0
79 [YWP2010] 186.580+01.020 G 12 26 19 +01 01.2   16.49       ~ 1 0
80 [YWP2010] 186.580+01.021 G 12 26 19 +01 01.3   17.10       ~ 1 0
81 [YWP2010] 186.742+02.494 G 12 26 58 +02 29.6   12.94       ~ 1 0
82 [YWP2010] 186.744+02.490 G 12 26 59 +02 29.4   19.05       ~ 1 0
83 NAME DW 1225+0152 LSB 12 27 46.1 +01 36 01 15.45 16.02 15.92 15.73   ~ 42 0
84 [YWP2010] 187.014+02.910 G 12 28 03 +02 54.6   15.00       ~ 1 0
85 [YWP2010] 187.013+02.914 G 12 28 03 +02 54.8   17.81       ~ 1 0
86 [YWP2010] 187.015+02.910 G 12 28 04 +02 54.6   18.58       ~ 1 0
87 LEDA 139866 G 12 28 15.8836752792 +02 42 03.014520660   15.69       ~ 16 0
88 SDSS J122821.56+015645.8 G 12 28 21.568 +01 56 45.81   19.40       ~ 1 0
89 [YWP2010] 187.127+02.108 G 12 28 30 +02 06.5   17.31       ~ 1 0
90 [YWP2010] 187.127+02.109 G 12 28 30 +02 06.5   16.95       ~ 1 0
91 2dFGRS TGN388Z137 G 12 28 40.216 +01 54 26.85   18.165   17.444   ~ 4 0
92 [YWP2010] 187.242+02.199 G 12 28 58 +02 11.9   17.20       ~ 1 0
93 [YWP2010] 187.259+02.723 G 12 29 02 +02 43.4   15.50       ~ 1 0
94 [YWP2010] 187.262+02.722 G 12 29 03 +02 43.3   15.20       ~ 1 0
95 3C 273 BLL 12 29 06.6998257176 +02 03 08.597629980   13.05 14.830 14.11   ~ 5637 1
96 2dFGRS TGN388Z120 G 12 29 29.5 +02 11 50   17.375   16.761   ~ 3 0
97 SDSS J122939.11+033645.6 G 12 29 39.119 +03 36 45.66   15.63       ~ 19 0
98 [YWP2010] 187.460+02.036 G 12 29 50.50 +02 02 08.8   17.20       ~ 2 0
99 [YWP2010] 187.461+02.032 G 12 29 51 +02 01.9   17.03       ~ 1 0
100 [YWP2010] 187.556+02.625 G 12 30 13 +02 37.5   15.49       ~ 1 0
101 [YWP2010] 187.559+02.626 G 12 30 14 +02 37.6   15.30       ~ 1 0
102 Z 14-54 LSB 12 31 03.49944 +01 40 32.2320   14.80       ~ 43 1
103 2dFGRS TGN388Z025 LSB 12 31 59.044 +01 50 37.39   18.998   18.309   ~ 7 0
104 [YWP2010] 188.151+02.659 G 12 32 36 +02 39.5   19.85       ~ 1 0
105 [YWP2010] 188.154+02.664 G 12 32 37 +02 39.8   15.00       ~ 1 0
106 2dFGRS TGN389Z231 LSB 12 32 46.439 +01 34 08.83   17.265   16.864   ~ 12 0
107 LEDA 41626 G 12 32 50.5557825384 +02 47 50.233747128   16.46       ~ 12 0
108 [YWP2010] 188.213+02.628 G 12 32 51 +02 37.7   19.91       ~ 1 0
109 [YWP2010] 188.216+02.629 G 12 32 52 +02 37.7   16.30       ~ 1 0
110 [YWP2010] 188.337+01.522 G 12 33 21 +01 31.3   15.74       ~ 1 0
111 [YWP2010] 188.336+01.523 G 12 33 21 +01 31.4   15.30       ~ 1 0
112 2MASX J13464643-3002453 G 13 46 46.435 -30 02 45.34   16.75   15.69   ~ 3 0
113 ESO 445-50 Sy1 13 49 19.2601801224 -30 18 34.213815504   13.81 13.66 12.18   ~ 770 0
114 6dFGS gJ135145.1-301145 G 13 51 45.12 -30 11 45.0   19.20   17.95   ~ 3 0
115 6dFGS gJ135628.5-301610 GiC 13 56 28.56 -30 16 09.2   16.33       ~ 4 0
116 [YWP2010] 216.647+43.201 G 14 26 35.295 +43 12 04.89   17.46       ~ 2 0
117 QSO B1426+428 BLL 14 28 32.6090008440 +42 40 21.048123396   16.95 16.45 14.4   ~ 492 2
118 [YWP2010] 217.455+42.940 G 14 29 49 +42 56.4   16.84       ~ 1 0
119 [YWP2010] 217.462+42.933 G 14 29 51 +42 56.0   16.50       ~ 1 0
120 SDSS J182002.47+641853.3 G 18 20 02.478 +64 18 53.32   18.50       ~ 4 0
121 SDSS J182127.41+641210.4 G 18 21 27.42142 +64 12 10.4874   20.60       ~ 3 0
122 SDSS J182136.71+642124.5 G 18 21 36.710 +64 21 24.58   19.10       ~ 4 0
123 LEDA 84884 G 18 21 54.45536 +64 20 09.4561   19.50       ~ 8 0
124 ClG 1821+64 ClG 18 21 56.7276 +64 20 55.841           ~ 501 1
125 7C 1821+6419 Sy1 18 21 57.2130271440 +64 20 36.221312076   14.23 14.24     ~ 580 1
126 SDSS J182202.70+642138.8 G 18 22 02.706 +64 21 38.88   18.30       ~ 10 0
127 SDSS J182204.54+642053.5 G 18 22 04.54776 +64 20 53.5308   22.20       ~ 4 0
128 Mrk 509 Sy1 20 44 09.7504483224 -10 43 24.727155528   13.35 13.12 10.7   ~ 1223 0
129 6dFGS gJ204613.3-101750 G 20 46 13.3 -10 17 48   16.43   15.43   ~ 3 0
130 2dFGRS TGS330Z126 EmG 21 58 23.8171173288 -30 19 31.906976988   16.163   15.028   ~ 9 0
131 [YWP2010] 329.600-30.302 G 21 58 24 -30 18.1   17.90       ~ 1 0
132 [YWP2010] 329.599-30.300 G 21 58 24 -30 18.0   17.70       ~ 1 0
133 [YWP2010] 329.670-30.325 G 21 58 41 -30 19.5   16.27       ~ 1 0
134 [YWP2010] 329.670-30.324 G 21 58 41.60 -30 19 19.0           ~ 2 0
135 [YWP2010] 329.673-30.325 G 21 58 42 -30 19.5   15.40       ~ 1 0
136 [YWP2010] 329.688-30.277 G 21 58 44.87 -30 16 34.5   18.00 17.50     ~ 4 0
137 [YWP2010] 329.694-30.294 G 21 58 47 -30 17.6   18.30       ~ 3 0
138 QSO B2155-304 BLL 21 58 52.0652249880 -30 13 32.118447792   13.36 13.09 12.62   ~ 1671 1
139 [YWP2010] 329.785-30.349 G 21 59 08 -30 20.9   16.17       ~ 1 0
140 [YWP2010] 329.787-30.347 G 21 59 09 -30 20.8   17.60       ~ 1 0
141 2dFGRS TGS330Z084 G 21 59 17.6 -29 51 13   17.562   16.661   ~ 3 0
142 [YWP2010] 330.010-30.185 G 22 00 02 -30 11.1   14.39       ~ 1 0
143 [YWP2010] 330.010-30.184 G 22 00 02 -30 11.0   15.43       ~ 1 0
144 NAME Local Group GrG ~ ~           ~ 7892 0

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2023.01.27-15:10:55

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