2015MNRAS.449.3263J

Query : 2015MNRAS.449.3263J

2015MNRAS.449.3263J - Mon. Not. R. Astron. Soc., 449, 3263-3273 (2015/May-3)

On the possible environmental effect in distributing heavy elements beyond individual gaseous haloes.

JOHNSON S.D., CHEN H.-W. and MULCHAEY J.S.

Abstract (from CDS):

We present a study of extended galaxy halo gas through Hi and Ovi absorption over two decades in projected distance at z ~ 0.2. The study is based on a sample of 95 galaxies from a highly complete (>80 percent) survey of faint galaxies (L > 0.1L*) with archival quasar absorption spectra and 53 galaxies from the literature. A clear anticorrelation is found between Hi (Ovi) column density and virial radius normalized projected distance, d/Rh. Strong Hi (Ovi) absorption systems with column densities greater than 1014.0 (1013.5)/ cm2 are found for 48 of 54 (36 of 42) galaxies at d <Rh indicating a mean covering fraction of <κ_H i>=0.89 (<κ_O vi>=0.86). Ovi absorbers are found at d ~ Rh, beyond the extent observed for lower ionization species. At d/Rh = 1-3 strong Hi (Ovi) absorption systems are found for only 7 of 43 (5 of 34) galaxies (<κ_H i>=0.16 and <κ_O vi>=0.15). Beyond d = 3Rh, the Hi and Ovi covering fractions decrease to levels consistent with coincidental systems. The high completeness of the galaxy survey enables an investigation of environmental dependence of extended gas properties. Galaxies with nearby neighbours exhibit a modest increase in Ovi covering fraction at d > Rh compared to isolated galaxies (κ_O vi~0.13 versus 0.04) but no excess Hi absorption. These findings suggest that environmental effects play a role in distributing heavy elements beyond the enriched gaseous haloes of individual galaxies. Finally, we find that differential Hi and Ovi absorption between early- and late-type galaxies continues from d < Rh to d ~ 3Rh.

Abstract Copyright: © 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): galaxies: haloes - galaxies: interactions - intergalactic medium - quasars: absorption lines

VizieR on-line data: <Available at CDS (J/MNRAS/449/3263): table1.dat>

Nomenclature: Table 1: [JCM2015] JHHMMSS.ss+DDMMSS.s N=148.

Simbad objects: 154

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Number of rows : 154
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 [TTW2011] SDSS J0042-1037 358-9 G 00 42 22.266 -10 37 35.18           ~ 3 0
2 PB 8488 QSO 00 42 22.2911404848 -10 37 43.821166980   16.83 16.61     ~ 44 0
3 [TTW2011] SDSS J0226+0015 268-22 G 02 26 12.9859634976 +00 15 29.217342276           ~ 9 0
4 QSO J0226+0015 QSO 02 26 14.4684457872 +00 15 29.785932612   17.28 17.10     ~ 43 0
5 [CM2009b] HE0226-4110 12163 G 02 27 46.2509091456 -40 53 15.061560324   19.435   17.697 16.796 ~ 5 0
6 [CM2009b] HE0226-4110 13604 G 02 27 57.47 -40 57 25.7   23.527   22.889 22.268 ~ 3 0
7 [CM2009b] HE0226-4110 14175 G 02 28 01.44 -40 57 55.7   22.995   21.493 20.878 ~ 3 0
8 [CM2009b] HE0226-4110 14733 G 02 28 04.3248231504 -40 55 57.499307292   19.982   18.222 17.476 ~ 4 0
9 [CM2009b] HE0226-4110 14007 G 02 28 04.52 -40 57 02.3   21.614   19.583 18.657 ~ 3 0
10 [CM2009b] HE0226-4110 15420 G 02 28 09.37 -40 57 44.5   23.382   21.721 20.968 ~ 3 0
11 [CM2009b] HE0226-4110 15068 G 02 28 10.23 -40 55 48.1   24.446   22.524 21.765 ~ 4 0
12 [CM2009b] HE0226-4110 11654 G 02 28 10.50 -40 58 57.3   24.266   22.957 21.767 ~ 3 0
13 [CM2009b] HE0226-4110 09515 G 02 28 11.32 -40 56 36.7   23.750   22.549 22.308 ~ 5 0
14 [CM2009b] HE0226-4110 09434 G 02 28 11.59 -40 58 53.8   24.271   22.825 22.217 ~ 3 0
15 [CM2009b] HE0226-4110 15982 G 02 28 13.89 -40 59 46.2   24.076   21.640 20.786 ~ 3 0
16 [CM2009b] HE0226-4110 13101 G 02 28 14.56 -40 57 22.7   22.850   21.935 21.199 ~ 7 0
17 HE 0226-4110 Sy1 02 28 15.2391681216 -40 57 14.762648232   17.68 15.2 16.22   ~ 144 1
18 [CM2009b] HE0226-4110 09066 G 02 28 16.29 -40 57 27.2   22.366   20.182 19.319 ~ 6 0
19 [CM2009b] HE0226-4110 09038 G 02 28 16.43 -41 00 38.1   22.694   20.961 20.272 ~ 3 0
20 [CM2009b] HE0226-4110 08728 G 02 28 19.05 -40 58 00.5   24.113   22.063 21.230 ~ 3 0
21 [CM2009b] HE0226-4110 08421 G 02 28 20.77 -40 56 49.7   22.737   21.447 20.840 ~ 4 0
22 [CM2009b] HE0226-4110 08112 G 02 28 21.3763949952 -40 57 22.886824248   20.714   18.587 17.664 ~ 4 0
23 [CM2009b] HE0226-4110 08141 G 02 28 22.39 -40 56 58.9   22.393   20.360 19.543 ~ 3 0
24 [CM2009b] HE0226-4110 08178 G 02 28 23.04 -40 57 18.8   23.809   21.984 21.712 ~ 3 0
25 [CM2009b] HE0226-4110 07021 G 02 28 28.39 -40 56 12.9   22.246   21.056 20.901 ~ 3 0
26 [CM2009b] HE0226-4110 06167 G 02 28 32.13 -40 56 51.5   21.704   19.489 18.654 ~ 3 0
27 [CM2009b] HE0226-4110 05519 G 02 28 37.32 -40 56 21.5   21.000   18.858 18.155 ~ 4 0
28 [CM2009b] HE0226-4110 05316 G 02 28 41.43 -40 59 07.8   20.444   18.827 18.010 ~ 4 0
29 [CM2009b] HE0226-4110 04975 G 02 28 44.31 -40 58 19.2   21.612   20.572 19.900 ~ 3 0
30 [TTW2011] SDSS J0401-0540 67-24 G 04 01 50.483 -05 40 47.07           ~ 12 0
31 [JCM2015] J040725.19-121525.9 G 04 07 25.19 -12 15 25.9       20.120   ~ 3 0
32 [JCM2015] J040738.62-121248.2 G 04 07 38.6317287648 -12 12 48.306530772       17.580   ~ 5 0
33 [JCM2015] J040739.80-121324.3 G 04 07 39.80 -12 13 24.3       21.410   ~ 3 0
34 [JCM2015] J040740.38-121210.6 G 04 07 40.38 -12 12 10.6       20.740   ~ 3 0
35 EY PKS 0405-123 120 G 04 07 42.70 -12 11 32.1       18.880   ~ 9 0
36 [PWC2006b] 2034 EmG 04 07 43.93 -12 12 08.4       18.240   ~ 18 0
37 [JCM2015] J040744.48-121233.6 G 04 07 44.48 -12 12 33.6       21.690   ~ 4 0
38 [JCM2015] J040745.68-121502.8 G 04 07 45.6826972680 -12 15 03.673899900       18.440   ~ 5 0
39 [JCM2015] J040745.73-121014.1 G 04 07 45.73 -12 10 14.1       21.590   ~ 3 0
40 [PWC2006b] 1967 EmG 04 07 45.8631933768 -12 11 08.877737364       18.580   ~ 14 0
41 [JCM2015] J040746.69-121216.8 G 04 07 46.69 -12 12 16.8       20.180   ~ 4 0
42 PKS 0405-123 Bla 04 07 48.4309841856 -12 11 36.659928408   15.09 14.86 14.7   ~ 531 1
43 [CLW98] 0405-1219 +00010-00350 EmG 04 07 48.46 -12 12 11.1       21.160   ~ 11 0
44 [PWC2006b] 1807 EmG 04 07 50.14 -12 09 50.9       19.380   ~ 8 0
45 [PWC2006b] 1786 EmG 04 07 50.57 -12 12 24.0       19.340   ~ 14 0
46 [BLH2023] PKS0405-123 1822 G 04 07 51.1961810568 -12 11 37.115573028       17.430   ~ 17 0
47 EY PKS 0405-123 326 G 04 07 52.21 -12 14 06.9       19.520   ~ 10 0
48 [PWC2006b] 1503 EmG 04 07 57.34 -12 07 40.1       18.190   ~ 7 0
49 [JCM2015] J040757.86-120951.3 G 04 07 57.86 -12 09 51.3       19.850   ~ 6 0
50 [JCM2015] J040758.13-121322.2 G 04 07 58.13 -12 13 22.2       21.490   ~ 3 0
51 [PWC2006b] 1345 EmG 04 08 01.5263127984 -12 07 50.017710828       19.250   ~ 7 0
52 [JCM2015] J040801.80-121138.9 G 04 08 01.80 -12 11 38.9       18.960   ~ 6 0
53 [JCM2015] J040810.06-121107.9 G 04 08 10.06 -12 11 07.9       20.700   ~ 3 0
54 QSO J0803+4332 QSO 08 03 57.7507151520 +43 33 09.969441660           ~ 10 0
55 [TTW2011] SDSS J0820+2334 242-9 G 08 20 23.633 +23 34 46.20           ~ 2 0
56 SDSS J083520.95+245843.4 G 08 35 20.9506575648 +24 58 43.452650136           ~ 3 0
57 SDSS J083530.80+245558.2 G 08 35 30.8091990912 +24 55 58.295961876           ~ 2 0
58 [TTW2011] SDSS J0910+1014 35-14 G 09 10 30.301 +10 14 25.09           ~ 3 0
59 [TTW2011] SDSS J0910+1014 34-46 G 09 10 31.502 +10 14 51.14           ~ 13 0
60 [TTW2011] SDSS J0914+2823 41-27 G 09 14 41.756 +28 23 51.35         19.6 ~ 11 0
61 SDSS J092554.18+400353.4 G 09 25 54.1905906672 +40 03 53.405017884           ~ 12 0
62 [TTW2011] SDSS J0928+6025 187-15 G 09 28 37.749 +60 25 06.29           ~ 4 0
63 [JCM2015] J093518.66+020442.8 G 09 35 18.6703130976 +02 04 42.858125364           ~ 7 0
64 [JCM2015] J094329.20+053041.8 G 09 43 29.2097664912 +05 30 41.795083764         17.5 ~ 10 0
65 SDSS J094330.67+053118.1 G 09 43 30.670 +05 31 18.12         21.2 ~ 12 0
66 [TTW2011] SDSS J0943+0531 106-34 G 09 43 33.787 +05 31 22.30         18.6 ~ 13 0
67 2MASS J09500085+4831018 G 09 50 00.8622200712 +48 31 02.245769184   19.6     18.0 ~ 17 0
68 SDSS J100901.58+071328.1 G 10 09 01.584 +07 13 28.12           ~ 13 0
69 LEDA 1884024 G 10 09 42.3294520104 +29 56 32.856829368           ~ 5 0
70 [TTW2011] SDSS J1016+4706 274-6 G 10 16 22.021 +47 06 43.64           ~ 13 0
71 [TTW2011] SDSS J1016+4706 359-16 G 10 16 22.573 +47 06 59.45           ~ 13 0
72 SDSS J110529.93+342347.5 G 11 05 29.9356129224 +34 23 47.551839036           ~ 2 0
73 SDSS J110531.02+342133.0 G 11 05 31.0252978104 +34 21 33.004017180           ~ 3 0
74 SDSS J111103.04+554921.4 G 11 11 03.0453121104 +55 49 21.382616784           ~ 3 0
75 SDSS J112630.84+590637.1 G 11 26 30.848 +59 06 37.15           ~ 3 0
76 SDSS J113328.16+032659.1 G 11 33 28.160 +03 26 59.16         19.2 ~ 12 0
77 SDSS J115758.35-002225.4 G 11 57 58.3553502792 -00 22 25.421084868           ~ 11 0
78 [JCM2015] J122032.82+385249.7 G 12 20 32.8185616296 +38 52 49.717024428           ~ 7 0
79 [TTW2011] SDSS J1233-0031 168-7 G 12 33 04.146 -00 31 40.58         20.2 ~ 12 0
80 [TTW2011] SDSS J1233+4758 94-38 G 12 33 38.875 +47 57 57.63           ~ 12 0
81 [TTW2011] SDSS J1241+5721 208-27 G 12 41 52.449 +57 20 43.77         20.1 ~ 11 0
82 [TTW2011] SDSS J1241+5721 199-6 G 12 41 53.781 +57 21 01.35         19.9 ~ 11 0
83 [TTW2011] SDSS J1245+3356 236-36 G 12 45 08.882 +33 55 50.14           ~ 9 0
84 [JCM2015] J132222.46+464546.1 G 13 22 22.470 +46 45 46.17   20.2   18.6 18.6 ~ 14 0
85 QSO J1330+2813 QSO 13 30 43.1402412360 +28 13 30.518497020           ~ 15 0
86 SDSS J134251.85-005354.3 G 13 42 51.8576599800 -00 53 54.334539600         18.2 ~ 15 0
87 [TTW2011] SDSS J1419+4207 132-30 G 14 19 12.212 +42 07 26.57           ~ 13 0
88 [TTW2011] SDSS J1435+3604 68-12 G 14 35 12.410 +36 04 41.47           ~ 13 0
89 SDSS J143512.93+360424.9 G 14 35 12.932 +36 04 24.97           ~ 12 0
90 QSO J1437+5046 QSO 14 37 23.427 +50 46 23.51           ~ 13 0
91 SDSS J143723.46-014713.6 G 14 37 23.466 -01 47 13.66           ~ 2 0
92 [TTW2011] SDSS J1437+5045 24-13 G 14 37 26.691 +50 46 07.50           ~ 4 0
93 SDSS J143741.59-014910.3 G 14 37 41.598 -01 49 10.22           ~ 5 0
94 SDSS J143743.01-014742.6 G 14 37 43.0142623968 -01 47 42.649360584   19.000   17.786   ~ 8 0
95 SDSS J143745.49-014424.6 G 14 37 45.492 -01 44 24.61           ~ 2 0
96 SDSS J143745.75-014726.4 G 14 37 45.752 -01 47 26.43           ~ 4 0
97 SDSS J143746.65-014622.6 G 14 37 46.655 -01 46 22.63           ~ 2 0
98 SDSS J143747.00-014250.9 G 14 37 47.002 -01 42 50.90           ~ 2 0
99 SDSS J143747.19-014720.7 G 14 37 47.194 -01 47 20.75           ~ 2 0
100 LBQS 1435-0134 QSO 14 37 48.2855255136 -01 47 10.816509804   16.11 15.78 16.39   ~ 88 1
101 SDSS J143748.83-014345.8 G 14 37 48.839 -01 43 45.88           ~ 2 0
102 [JCM2015] J143749.19-014810.9 G 14 37 49.19 -01 48 10.9           ~ 3 0
103 SDSS J143749.56-014702.9 G 14 37 49.567 -01 47 02.92           ~ 4 0
104 SDSS J143750.01-014405.0 G 14 37 50.016 -01 44 05.06           ~ 2 0
105 SDSS J143750.10-014710.1 G 14 37 50.100 -01 47 10.10           ~ 3 0
106 SDSS J143752.30-014214.1 G 14 37 52.309 -01 42 14.16           ~ 2 0
107 SDSS J143754.40-014859.5 G 14 37 54.407 -01 48 59.52           ~ 5 0
108 SDSS J143755.56-014808.0 G 14 37 55.567 -01 48 08.01           ~ 2 0
109 SDSS J143800.82-014247.1 G 14 38 00.8309246880 -01 42 47.167224084           ~ 5 0
110 SDSS J143801.67-014759.2 G 14 38 01.674 -01 47 59.28           ~ 2 0
111 SDSS J143805.18-014733.2 G 14 38 05.188 -01 47 33.25           ~ 2 0
112 SDSS J143808.16-014923.5 G 14 38 08.161 -01 49 23.52           ~ 2 0
113 [TTW2011] SDSS J1445+3428 232-33 G 14 45 09.211 +34 28 05.40           ~ 10 0
114 QSO J1514+3619 QSO 15 14 27.556 +36 20 01.99           ~ 8 0
115 SDSS J152358.95+095846.8 G 15 23 58.956 +09 58 46.88           ~ 2 0
116 SDSS J152400.64+095421.4 G 15 24 00.645 +09 54 21.47           ~ 2 0
117 SDSS J152410.89+095824.4 G 15 24 10.896 +09 58 24.40           ~ 2 0
118 SDSS J152414.12+095710.1 G 15 24 14.122 +09 57 10.14           ~ 2 0
119 SDSS J152414.83+095736.7 G 15 24 14.835 +09 57 36.77           ~ 2 0
120 SDSS J152415.55+095611.0 G 15 24 15.551 +09 56 11.04           ~ 2 0
121 SDSS J152417.02+095931.7 G 15 24 17.0276246304 +09 59 31.624136880           ~ 2 0
122 [JCM2015] J152417.41+095859.8 G 15 24 17.41 +09 58 59.8           ~ 2 0
123 SDSS J152417.51+095842.6 G 15 24 17.514 +09 58 42.63           ~ 2 0
124 SDSS J152417.83+100012.1 G 15 24 17.833 +10 00 12.11           ~ 2 0
125 SDSS J152418.16+100044.3 G 15 24 18.169 +10 00 44.37           ~ 2 0
126 SDSS J152418.60+095433.4 G 15 24 18.6108814992 +09 54 33.476979780           ~ 2 0
127 SDSS J152419.16+100126.0 G 15 24 19.164 +10 01 26.05           ~ 2 0
128 SDSS J152421.65+095514.6 G 15 24 21.651 +09 55 14.62           ~ 2 0
129 SDSS J152422.63+100109.7 G 15 24 22.634 +10 01 09.76           ~ 2 0
130 SDSS J152422.99+095907.2 G 15 24 22.992 +09 59 07.20           ~ 4 0
131 [JCM2015] J152423.09+100000.5 G 15 24 23.09 +10 00 00.5           ~ 2 0
132 [JCM2015] J152423.36+095858.6 G 15 24 23.36 +09 58 58.6           ~ 4 0
133 SDSS J152423.78+095817.7 G 15 24 23.781 +09 58 17.79           ~ 2 0
134 QSO B1521+1009 QSO 15 24 24.5234088744 +09 58 29.087917572   15.74 16.2     ~ 145 0
135 SDSS J152424.71+095833.6 G 15 24 24.7041024288 +09 58 33.601810332   19.58 18.32 17.75 17.18 ~ 4 0
136 SDSS J152425.12+100049.1 G 15 24 25.1229863448 +10 00 49.077976104           ~ 2 0
137 SDSS J152425.85+095928.6 G 15 24 25.858 +09 59 28.69           ~ 2 0
138 SDSS J152426.17+095715.1 G 15 24 26.171 +09 57 15.15           ~ 2 0
139 SDSS J152426.90+095731.2 G 15 24 26.907 +09 57 31.26           ~ 3 0
140 [JCM2015] J152428.28+095816.3 G 15 24 28.28 +09 58 16.3           ~ 2 0
141 [JCM2015] J152428.99+095807.4 G 15 24 28.99 +09 58 07.4           ~ 2 0
142 SDSS J152430.31+095748.2 G 15 24 30.314 +09 57 48.24           ~ 2 0
143 SDSS J152432.49+100024.3 G 15 24 32.497 +10 00 24.35           ~ 2 0
144 SDSS J152441.14+100212.2 G 15 24 41.143 +10 02 12.26           ~ 2 0
145 LEDA 1838247 GiC 15 28 27.0766155480 +28 31 20.143507728           ~ 5 0
146 SDSS J152840.22+282953.0 BiC 15 28 40.2289631880 +28 29 53.014317144           ~ 4 0
147 SDSS J152841.13+282843.8 BiC 15 28 41.1331361664 +28 28 43.854035232           ~ 5 0
148 [TTW2011] SDSS J1550+4001 197-23 G 15 50 47.7122746920 +40 01 22.629245376           ~ 10 0
149 SDSS J155505.27+362848.4 G 15 55 05.271 +36 28 48.41         18.5 ~ 15 0
150 LEDA 1391107 G 15 56 01.3727112216 +11 15 52.808964516           ~ 6 0
151 SDSS J161708.92+063822.2 G 16 17 08.9300570328 +06 38 22.170090732           ~ 10 0
152 [TTW2011] SDSS J1619+3342 113-40 G 16 19 19.517 +33 42 22.82           ~ 13 0
153 [TTW2011] SDSS J2257+1340 230-25 G 22 57 36.912 +13 40 29.39           ~ 2 0
154 SDSS J234500.37-005923.9 G 23 45 00.374 -00 59 23.93           ~ 7 0

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