2002A&A...386..865T

Query : 2002A&A...386..865T

2002A&A...386..865T - Astronomy and Astrophysics, volume 386, 865-868 (2002/5-2)

Dusty haloes of galaxies at intermediate redshifts.

TEERIKORPI P.

Abstract (from CDS):

The presence and amount of dust in the halo matter producing narrow metal line absorption systems is still uncertain. We consider the parameter Σa=∑(1+za), summed over the detected aborption line system redshifts za, and ask whether radio-loud quasars at z<2 and with a large value of the parameter Σa are redder in the B-V colour than those with a smaller Σa. This is anticipated if the absorption lines originate in sites which contain ``normal'' dust causing selective extinction. The answer is positive, and a mean intrinsic reddening e0 per halo is consistent with ≃0.05, or about 0.2 B-mag extinction, roughly as expected.

Abstract Copyright: ∼

Journal keyword(s): quasars: absorption lines - galaxies: haloes - ISM: dust

Simbad objects: 57

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Number of rows : 57
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 QSO B0002+0507 BLL 00 05 20.2155845040 +05 24 10.802758572   16.56 16.21 16.26   ~ 183 1
2 QSO J0027+2241 QSO 00 27 15.3715301928 +22 41 58.067953764   16.90 16.57 15.60   ~ 89 1
3 QSO J0031-4108 QSO 00 31 28.0600208808 -41 08 15.888275088   18.39 17.82 18.2   ~ 31 1
4 LBQS 0058+0155 QSO 01 00 54.1201107072 +02 11 36.331220364   17.48 17.16     ~ 164 0
5 4C -04.04 QSO 01 22 27.8852581608 -04 21 27.176403816   17.34 16.88     ~ 188 1
6 QSO J0403-3605 Bla 04 03 53.74990003 -36 05 01.9131880   17.04 17.17 16.67   ~ 285 1
7 QSO B0420-0127 QSO 04 23 15.80072217 -01 20 33.0656073   17.50 17.00 16.28   ~ 1207 3
8 ICRF J045608.9-215909 Sy1 04 56 08.9237717400 -21 59 09.399816312 15.76 16.16 16.10 15.9   ~ 187 1
9 QSO B0454+0356 QSO 04 56 47.1747907776 +04 00 52.946102484   16.76 16.53 16.26   ~ 241 1
10 QSO J0635-7516 Bla 06 35 46.5079301472 -75 16 16.816418256   15.96 15.75 15.82   ~ 589 1
11 3C 181.0 Sy2 07 28 10.2171164616 +14 37 36.565176324   19.35 18.92     ~ 165 2
12 3C 191 QSO 08 04 47.9671662720 +10 15 23.746977252   18.65 18.40     ~ 291 2
13 3C 196 Sy1 08 13 36.0561170112 +48 13 02.644966020   18.36 17.79     ~ 551 2
14 ICRF J081522.9+015459 Sy1 08 15 22.96082943 +01 54 59.4809821   17.28 17.10     ~ 133 1
15 ICRF J083052.0+241059 Sy1 08 30 52.08619250 +24 10 59.8202919   17.62 17.26 16.30   ~ 529 1
16 3C 205 Sy1 08 39 06.5324936736 +57 54 17.069000688   18.10 17.62     ~ 263 1
17 LB 9013 QSO 08 58 52.5592832376 +16 51 27.126093564   18.27 18.00     ~ 76 2
18 QSO B0952+179 QSO 09 54 56.82361677 +17 43 31.2221518   17.31 17.23     ~ 215 1
19 Ton 469 Sy1 09 58 20.9496221568 +32 24 02.208417372   15.88 15.78 15.51   ~ 425 1
20 4C 00.34 QSO 10 00 17.6727030648 +00 05 23.704002492   19.61 19.41     ~ 149 1
21 QSO B1019+309 QSO 10 22 30.2982157824 +30 41 05.119553544   17.0 17.47 17.0   ~ 100 0
22 3C 243 QSO 10 26 31.9619676624 +06 27 33.028507440   19.00 18.62     ~ 121 1
23 4C 06.41 BLL 10 41 17.16249940 +06 10 16.9237327   16.86 16.70 16.14   ~ 289 1
24 2MASX J10523275+6125211 Sy1 10 52 32.7475006344 +61 25 20.963248212   17.16 17.06     ~ 121 1
25 QSO J1058-0450 QSO 10 58 12.5533742664 -04 50 12.963748992   17.86 17.79     ~ 23 0
26 4C -00.47 QSO 11 50 43.8706351104 -00 23 54.203006868   17.51 17.38 17.1   ~ 367 1
27 6C 1148+3842 QSO 11 51 29.3612242776 +38 25 52.374506052   17.22 17.04     ~ 131 2
28 QSO B1157+014 QSO 11 59 44.8278142392 +01 12 06.985999764   17.87 17.52     ~ 222 1
29 ICRF J120913.6+433920 Sy1 12 09 13.6108333200 +43 39 20.916497268   18.81 18.24     ~ 242 1
30 QSO B1213-065 QSO 12 16 34.2762571320 -06 46 51.146717484   17.92 17.72     ~ 18 0
31 7C 1218+3359 QSO 12 20 33.8756544048 +33 43 12.026168040   18.80 18.61     ~ 266 1
32 4C -02.55 QSO 12 32 00.0159535440 -02 24 04.793069304   17.41 17.06 16.4   ~ 432 1
33 US 371 BLL 13 10 28.66385420 +32 20 43.7828340   15.61 15.24 17.91   ~ 852 1
34 QSO B1327-2040 QSO 13 30 07.7005132944 -20 56 16.574817732   17.67 17.04     ~ 97 1
35 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4341 2
36 [OKM2018] SWIFT J1357.0+1929 Sy1 13 57 04.4366598768 +19 19 07.371837768   16.33 16.03 15.3   ~ 455 2
37 3C 298.0 QSO 14 19 08.1802187928 +06 28 34.802854680   17.12 16.79     ~ 407 1
38 QSO J1423+1159 QSO 14 23 30.0998580768 +11 59 51.255359232   18.18 18.04     ~ 94 1
39 QSO J1512-0906 Bla 15 12 50.53293048 -09 05 59.8297908   16.74 16.54     ~ 1316 1
40 QSO J1513+1011 QSO 15 13 29.2931365896 +10 11 05.557789500   18.05 17.73     ~ 82 1
41 4C -00.63 QSO 16 04 56.1437338776 -00 19 07.073082156   17.78 17.48     ~ 109 1
42 4C 23.43 Sy1 16 24 39.0838297968 +23 45 12.223370412   17.91 17.47     ~ 339 1
43 3C 351.0 Sy1 17 04 41.3742408840 +60 44 30.520617000   15.65 15.40 15.30   ~ 757 1
44 QSO J1824+1044 Bla 18 24 02.85524975 +10 44 23.7739493   17.66 17.27 16.71   ~ 173 1
45 QSO B1912-550 BLL 19 16 39.2159867496 -54 54 47.351483928   16.58 16.49     ~ 52 1
46 QSO B2020-3705 QSO 20 23 46.2039874632 -36 55 20.813638116   17.79 17.46 16.56   ~ 70 1
47 QSO J2047-1639 QSO 20 47 19.6670792592 -16 39 05.842775556   17.55 17.36     ~ 105 1
48 3C 432.0 QSO 21 22 46.3251704424 +17 04 37.916198832   18.18 17.96     ~ 215 2
49 QSO B2128-123 BLL 21 31 35.2617909696 -12 07 04.795364172   16.33 16.11 15.87   ~ 455 1
50 ICRF J213745.1-143255 Sy1 21 37 45.1959922824 -14 32 55.695508728 15.41 15.63 15.53 15.0   ~ 372 0
51 QSO J2147-7536 QSO 21 47 12.73063669 -75 36 13.2249063   17.79 17.30     ~ 147 1
52 4C 06.69 Bla 21 48 05.45866779 +06 57 38.6041877   16.85 16.47 15.06   ~ 676 1
53 4C 31.63 BLL 22 03 14.9756830008 +31 45 38.269473228   15.85 15.58 14.33   ~ 495 1
54 3C 446 BLL 22 25 47.25929101 -04 57 01.3907626   18.83 18.39 16.3   ~ 830 1
55 BWE 2249+1832 QSO 22 51 34.7277468096 +18 48 40.087264428   18.52 18.4     ~ 226 2
56 QSO B2326-477 QSO 23 29 17.7043623168 -47 30 19.113949332   16.93 16.79 16.30   ~ 196 1
57 4C 14.85 QSO 23 57 18.3883290528 +14 46 09.846147972   19.06 18.97     ~ 102 2

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