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 Σ_a=∑(1+z_a), summed over the detected aborption line system redshifts z_a, and ask whether radio-loud quasars at z<2 and with a large value of the parameter Σ_a are redder in the B-V colour than those with a smaller Σ_a. 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

Full paper

View the references in ADS

Number of rows : 57

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Sp type	#ref 1850 - 2023	#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		~	186	1
6	QSO J0403-3605	QSO	04 03 53.74990003	-36 05 01.9131880		17.04	17.17	16.67	~	274	1
7	QSO B0420-0127	QSO	04 23 15.80072217	-01 20 33.0656073		17.50	17.00	16.28	~	1178	3
8	ICRF J045608.9-215909	Sy1	04 56 08.9237717400	-21 59 09.399816312	15.76	16.16	16.10	15.9	~	184	1
9	QSO B0454+0356	QSO	04 56 47.1747907776	+04 00 52.946102484		16.76	16.53	16.26	~	240	1
10	QSO J0635-7516	QSO	06 35 46.5079301472	-75 16 16.816418256		15.96	15.75	15.82	~	569	1
11	3C 181.0	Sy2	07 28 10.2171164616	+14 37 36.565176324		19.35	18.92		~	164	2
12	3C 191	QSO	08 04 47.9671662720	+10 15 23.746977252		18.65	18.40		~	285	2
13	3C 196	Sy1	08 13 36.0561170112	+48 13 02.644966020		18.36	17.79		~	545	2
14	ICRF J081522.9+015459	Sy1	08 15 22.96082943	+01 54 59.4809821		17.28	17.10		~	133	1
15	7C 082754.29+242103.00	QSO	08 30 52.08619250	+24 10 59.8202919		17.62	17.26	16.30	~	509	1
16	3C 205	Sy1	08 39 06.5324936736	+57 54 17.069000688		18.10	17.62		~	257	1
17	LB 9013	QSO	08 58 52.5592832376	+16 51 27.126093564		18.27	18.00		~	75	2
18	QSO B0952+179	QSO	09 54 56.82361677	+17 43 31.2221518		17.31	17.23		~	211	1
19	Ton 469	Sy1	09 58 20.9496221568	+32 24 02.208417372		15.88	15.78	15.51	~	424	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	~	99	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	~	306	1
24	2MASX J10523275+6125211	Sy1	10 52 32.7475006344	+61 25 20.963248212		17.16	17.06		~	119	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	~	363	1
27	6C 1148+3842	QSO	11 51 29.3612242776	+38 25 52.374506052		17.22	17.04		~	128	2
28	QSO B1157+014	QSO	11 59 44.8278142392	+01 12 06.985999764		17.87	17.52		~	221	1
29	ICRF J120913.6+433920	Sy1	12 09 13.6108333200	+43 39 20.916497268		18.81	18.24		~	237	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		~	261	1
32	4C -02.55	QSO	12 32 00.0159535440	-02 24 04.793069304		17.41	17.06	16.4	~	421	1
33	7C 1308+3236	BLL	13 10 28.66385420	+32 20 43.7828340		15.61	15.24	17.91	~	830	1
34	QSO B1327-2040	QSO	13 30 07.7005132944	-20 56 16.574817732		17.67	17.04		~	96	1
35	3C 286	Sy1	13 31 08.2883506368	+30 30 32.960091564		17.51	17.25		~	4253	2
36	[OKM2018] SWIFT J1357.0+1929	Sy1	13 57 04.4366598768	+19 19 07.371837768		16.33	16.03	15.3	~	449	2
37	3C 298.0	QSO	14 19 08.1802187928	+06 28 34.802854680		17.12	16.79		~	402	1
38	QSO J1423+1159	QSO	14 23 30.0998580768	+11 59 51.255359232		18.18	18.04		~	93	1
39	QSO J1512-0906	Bla	15 12 50.53293048	-09 05 59.8297908		16.74	16.54		~	1284	1
40	QSO J1513+1011	QSO	15 13 29.2931365896	+10 11 05.557789500		18.05	17.73		~	81	1
41	4C -00.63	QSO	16 04 56.1437338776	-00 19 07.073082156		17.78	17.48		~	107	1
42	4C 23.43	Sy1	16 24 39.0838297968	+23 45 12.223370412		17.91	17.47		~	335	1
43	3C 351.0	Sy1	17 04 41.3742408840	+60 44 30.520617000		15.65	15.40	15.30	~	752	1
44	QSO J1824+1044	Bla	18 24 02.85524975	+10 44 23.7739493		17.66	17.27	16.71	~	172	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		~	104	1
48	3C 432.0	QSO	21 22 46.3251704424	+17 04 37.916198832		18.18	17.96		~	213	2
49	QSO B2128-123	BLL	21 31 35.2617909696	-12 07 04.795364172		16.33	16.11	15.87	~	452	1
50	ICRF J213745.1-143255	Sy1	21 37 45.1959922824	-14 32 55.695508728	15.41	15.63	15.53	15.0	~	368	0
51	QSO J2147-7536	QSO	21 47 12.73063669	-75 36 13.2249063		17.79	17.30		~	137	1
52	4C 06.69	QSO	21 48 05.45866779	+06 57 38.6041877		16.85	16.47	15.06	~	653	1
53	4C 31.63	BLL	22 03 14.9756830008	+31 45 38.269473228		15.85	15.58	14.33	~	489	1
54	3C 446	BLL	22 25 47.25929101	-04 57 01.3907626		18.83	18.39	16.3	~	814	1
55	BWE 2249+1832	QSO	22 51 34.7277468096	+18 48 40.087264428		18.52	18.4		~	224	2
56	QSO B2326-477	QSO	23 29 17.7043623168	-47 30 19.113949332		16.93	16.79	16.30	~	185	1
57	4C 14.85	QSO	23 57 18.3883290528	+14 46 09.846147972		19.06	18.97		~	100	2

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