2010MNRAS.401.2715D

Query : 2010MNRAS.401.2715D

2010MNRAS.401.2715D - Mon. Not. R. Astron. Soc., 401, 2715-2721 (2010/February-1)

The rise of the C IV mass density at z < 2.5.

D'ODORICO V., CALURA F., CRISTIANI S. and VIEL M.

Abstract (from CDS):

The cosmic evolution of the metal content of the intergalactic medium puts stringent constraints on the properties of galactic outflows and on the nature of UV background. In this paper, we present a new measure of the redshift evolution of the mass density of Civ, ΩCiv, in the interval 1.5 ≲ z ≲ 4 based on a sample of more than 1500 Civ lines with column densities 1012 ≲ N(C IV) ≲ 1015/cm2. This sample more than doubles the absorption redshift path covered in the range z < 2.5 by previous samples. The result shows a significant increase of ΩCiv towards the lower redshifts at variance with the previously pictured constant behaviour.

Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS

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

VizieR on-line data: <Available at CDS (J/MNRAS/401/2715): sources.dat table2.dat>

Errata: erratum vol. 459, p. 232 (2016)

Simbad objects: 33

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Number of rows : 33
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 QSO J0003-2323 QSO 00 03 44.9144535192 -23 23 55.073021280     16.7     ~ 79 0
2 QSO B0002-422 QSO 00 04 48.2718888096 -41 57 28.148932548   17.44 17.21     ~ 163 0
3 QSO B0055-26 QSO 00 57 58.0253990928 -26 43 14.750912928   17.90 17.47 17.99   ~ 152 1
4 QSO B0109-353 QSO 01 11 43.6321128912 -35 03 00.587535660   16.6 16.9     ~ 79 0
5 QSO B0122-379 QSO 01 24 17.3720154480 -37 44 22.919854020     17.1     ~ 121 0
6 QSO J0153-4311 QSO 01 53 27.1920203376 -43 11 38.095833120     16.80     ~ 51 0
7 QSO B0237-2322 QSO 02 40 08.1743783856 -23 09 15.729012036   16.78 16.63     ~ 516 1
8 QSO B0329-385 QSO 03 31 06.3780612048 -38 24 04.653443772   17.63 16.92     ~ 85 1
9 PHL 4444 Bla 03 31 08.9205317376 -25 24 43.266541032   17.82 17.51 18.2   ~ 107 1
10 QSO J0422-3844 BLL 04 22 14.7829521792 -38 44 52.826059032   17.70 16.92 16.3   ~ 203 2
11 QSO J0455-4216 QSO 04 55 23.0626782912 -42 16 17.398553052   17.77 17.06     ~ 144 0
12 QSO B0636+68 BLL 06 42 04.2572705040 +67 58 35.620484340     16.46 16.01   ~ 234 1
13 QSO B0940-1050 QSO 09 42 53.5078384704 -11 04 25.931336376   16.96 16.6 16.6   ~ 102 0
14 QSO J1057+4555 QSO 10 57 56.2610108784 +45 55 53.070401748   20.19 18.80 17.2 16.8 ~ 118 0
15 QSO B1107+4847 QSO 11 10 38.6370859200 +48 31 15.691679076   17.09 16.87     ~ 94 0
16 QSO B1122-168 QSO 11 24 42.8658917592 -17 05 17.389038732   16.5 16.5 16.1   ~ 132 1
17 QSO B1158-1842 QSO 12 00 44.9451160128 -18 59 44.479378320   17.22 16.93     ~ 59 0
18 QSO J1344-1035 QSO 13 44 27.0637256688 -10 35 41.741388492     17.1     ~ 54 0
19 QSO B1422+2309 BLL 14 24 38.0938 +22 56 00.587   16.77 15.84 14.79   ~ 464 1
20 [PBW92] 1422+231 gLS 14 24 38.09400 +22 56 00.5900   16.77 15.84 14.79   ~ 359 0
21 QSO B1425+606 QSO 14 26 56.1849081360 +60 25 50.813373324   16.82 16.54     ~ 148 0
22 QSO B1442+2931 QSO 14 44 53.5398146832 +29 19 05.691187272   16.59 16.38     ~ 83 0
23 QSO B1448-232 QSO 14 51 02.5093156224 -23 29 31.107548184   17.13 16.96     ~ 135 2
24 QSO J1626+6426 QSO 16 26 45.6720635616 +64 26 55.026430800     15.8     ~ 34 0
25 QSO J1646+5514 QSO 16 46 56.3884451808 +55 14 46.123613484     18.10     ~ 32 0
26 QSO B1937-1009 BLL 19 39 57.2566747152 -10 02 41.522299692   18.800 19.0 17.188   ~ 207 1
27 QSO B1946+770 QSO 19 44 54.8532392016 +77 05 52.673448048     15.8     ~ 156 0
28 QSO B2000-330 Bla 20 03 24.1161711720 -32 51 45.136882080   18.83 18.4 17.11   ~ 279 1
29 QSO B2126-15 Bla 21 29 12.17589329 -15 38 41.0419083   17.61 17.3 17.3   ~ 521 1
30 QSO J2220-2803 QSO 22 20 06.7591541688 -28 03 23.467479516     16.0 16.10   ~ 100 0
31 QSO J2233-606 QSO 22 33 37.5812706336 -60 33 29.149992936 16.90 17.39 17.16 16.93 16.51 ~ 92 0
32 QSO B2237-0607 QSO 22 39 53.6812264896 -05 52 19.996061772     18.3     ~ 120 0
33 QSO B2347-4342 QSO 23 50 34.2593744544 -43 25 59.683985652   16.3 16.3     ~ 172 0

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