1998AJ....115.1737K

Query : 1998AJ....115.1737K

1998AJ....115.1737K - Astron. J., 115, 1737-1744 (1998/May-0)

The identification of quasars behind elliptical galaxies and clusters of galaxies.

KNEZEK P.M. and BREGMAN J.N.

Abstract (from CDS):

The detection of resonance absorption lines against known objects such as individual galaxies and clusters of galaxies is a powerful approach for studying the gas content of these systems. We describe an efficient method of identifying background quasars suitable for absorption-line studies. In this finding technique, we identify serendipitous X-ray sources, about one-eighth of which are suitably bright quasars at moderate redshift. We identify 16 new quasars and galaxies with active galactic nuclei (AGNs) and confirm five known quasars and AGNs, superposed behind elliptical galaxies and clusters of galaxies. We also present three QSO/AGN candidates with uncertain redshift identifications.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: Clusters: General - Galaxies: Quasars: General - X-Rays

Nomenclature: Table 1: [KB98] QSO JHHMM+DDd N=20. Table 2: [KB98] Obj JHHMMSS+DDMMSS N=46.

CDS comments: Table 1: QSO 0107-156 and QSO 1124+271 have a format with 1950 coordinates. Others QSO are '[KB98]', they have a format with 2000 coordinates.

Simbad objects: 106

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Number of rows : 106
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 SDSS J002037.93+284231.3 Sy1 00 20 37.9316897256 +28 42 31.316491728     19.50     ~ 12 0
2 ACO 21 ClG 00 20 38.75 +28 41 40.5           ~ 122 0
3 2MASS J00560709-0103400 AGN 00 56 07.0848134976 -01 03 40.344179652     19.1     ~ 10 0
4 ACO 119 ClG 00 56 08.57 -01 12 00.8           ~ 577 2
5 [KB98] QSO J0057+303 AGN 00 57 38.6 +30 22 47     21.6     ~ 4 1
6 NGC 315 LIN 00 57 48.88334410 +30 21 08.8119345 12.80 12.20 11.16 11.26   ~ 869 2
7 ACO 151 ClG 01 08 52.3 -15 25 01           ~ 199 1
8 QSO B0107-156 QSO 01 09 31.5495971784 -15 21 51.650585064     17.5     ~ 21 0
9 LEDA 912456 AGN 01 09 31.689 -15 20 41.71     19.8     ~ 6 0
10 [VV98] J012505.4+014627 Bla 01 25 05.5121088408 +01 46 26.935971024   19.6 19.86 19.1   ~ 33 1
11 NAME NGC 533 Group GrG 01 25 29.1 +01 48 17           ~ 57 0
12 NGC 533 rG 01 25 31.4074984248 +01 45 33.236656812   13.1 14.11     ~ 237 1
13 2MASX J01253596-0125451 GiC 01 25 35.96973 -01 25 45.1920           ~ 5 0
14 ACO 194 ClG 01 26 01.3 -01 22 02           ~ 363 2
15 LEDA 3095552 Sy1 01 52 34.8220387296 -13 47 35.448154404     19.2     ~ 9 0
16 BAX 028.2522-13.7387 ClG 01 53 00.40 -13 44 18.0           ~ 389 0
17 NGC 720 Sy1 01 53 00.523 -13 44 19.25   12.4   10.36   ~ 536 0
18 [KB98] Obj J032614-212037 * 03 26 14.5 -21 20 37           ~ 1 0
19 NGC 1332 GiP 03 26 17.321 -21 20 07.33   11.45   9.84   ~ 378 0
20 NGC 1407 rG 03 40 11.904 -18 34 49.36   10.64 9.67 9.13   ~ 613 2
21 [KB98] Obj J034030-183415 * 03 40 29.7096445608 -18 34 16.016296116           ~ 1 0
22 [KB98] Obj J043325-131205 * 04 33 25.1 -13 12 05           ~ 1 0
23 ACO 496 ClG 04 33 40.8 -13 14 34           ~ 728 2
24 2E 1151 * 04 47 30.2242684248 -20 20 32.503413552           ~ 1 0
25 2MASX J04473126-2019495 GiC 04 47 31.2605801712 -20 19 49.970435016           ~ 5 0
26 ACO 514 ClG 04 48 18 -20 28.7           ~ 149 0
27 [KB98] Obj J044837-202535 G 04 48 37.1 -20 25 35           ~ 1 0
28 ACO 754 ClG 09 09 14.8 -09 40 35           ~ 695 1
29 QSO J0909-095 QSO 09 09 30.6 -09 32 22     19.00     ~ 11 0
30 2MASS J09093766-0941369 * 09 09 37.6278914856 -09 41 37.108062888           ~ 1 0
31 [KB98] Obj J090939-094218 G 09 09 39.1 -09 42 18           ~ 1 0
32 [KB98] Obj J090941-094130 * 09 09 41.0 -09 41 30           ~ 1 0
33 [KB98] Obj J091033+595950 * 09 10 32.6604957336 +59 59 48.767894196           ~ 1 0
34 [KB98] Obj J091040+595837 * 09 10 40.2853306272 +59 58 35.858734464           ~ 1 0
35 [KB98] Obj J091049+600101 ? 09 10 48.7 +60 01 01           ~ 1 0
36 [KB98] Obj J091050+600145 * 09 10 49.7 +60 01 45           ~ 1 0
37 [KB98] Obj J091056+600209 ? 09 10 56.2 +60 02 09           ~ 1 0
38 [KB98] Obj J091059+600041 * 09 10 59.4497183664 +60 00 40.471972452           ~ 1 0
39 [KB98] Obj J091104+600102 * 09 11 04.5 +60 01 02           ~ 1 0
40 NGC 2768 SyG 09 11 37.504 +60 02 13.95 11.30 10.84 9.87     ~ 526 2
41 LB 10203 Sy1 11 27 36.3879799920 +26 54 50.574725568   17.0 17.0     ~ 45 0
42 ACO 1267 ClG 11 27 56 +26 51.5           ~ 54 0
43 MKW 3 ClG 11 48 29 -03 10.7     14.88     ~ 52 1
44 2MASS J11505222-2843558 * 11 50 52.2360486000 -28 43 55.538962968           ~ 1 0
45 [KB98] Obj J115055-284322 * 11 50 55.5 -28 43 22           ~ 1 0
46 [KB98] Obj J115056-284333 * 11 50 55.9491222216 -28 43 34.245531084           ~ 1 0
47 NGC 3923 GiG 11 51 01.783 -28 48 22.36 11.41 10.59 9.80 8.88   ~ 459 1
48 [KB98] Obj J115108-284713 * 11 51 07.8946617840 -28 47 14.319791268           ~ 1 0
49 [KB98] Obj J115111-284639 * 11 51 10.9496892288 -28 46 40.392822144           ~ 1 0
50 [KB98] Obj J115113-284734 * 11 51 13.1513300856 -28 47 34.794252528           ~ 1 0
51 [VV2000] J120104.5+575848 QSO 12 01 04.6675565352 +57 58 46.886444148   18.80 18.63     ~ 29 0
52 [KB98] Obj J120105+580324 * 12 01 05.1 +58 03 24           ~ 1 0
53 8C 1158+583 QSO 12 01 23.2473851112 +58 07 19.911744876   19.61 19.55     ~ 25 1
54 LEDA 3095166 AGN 12 01 50.440 +58 05 52.97     20.1     ~ 10 0
55 ACO 1446 ClG 12 01 54.77 +58 01 40.7           ~ 104 1
56 NAME NGC 4073 Group GrG 12 04 44.08 +01 48 40.9     13.53     ~ 292 0
57 1RXS J120447.0+020108 * 12 04 45.2 +02 01 18           ~ 1 0
58 NGC 4203 LIN 12 15 05.0549203560 +33 11 50.383965120   12.98 11.99     ~ 514 2
59 2MASS J12150570+3310005 * 12 15 05.7109546320 +33 10 00.535470888           ~ 1 0
60 Ton 1480 QSO 12 15 09.2309649888 +33 09 55.239405012   16.56 16.45     ~ 59 0
61 NGC 4261 LIN 12 19 23.2160630 +05 49 29.700024   13.92 12.87     ~ 1290 0
62 2MASS J12194371+0545331 * 12 19 43.6846339920 +05 45 32.657993640           ~ 1 0
63 [KB98] Obj J121944+054444 ? 12 19 44.5 +05 44 44           ~ 1 0
64 2MASX J12194890+0545311 Sy1 12 19 48.9358842216 +05 45 31.675064400   18.95 18.41     ~ 25 0
65 QSO J1225+1813 QSO 12 25 17.1685590936 +18 13 46.523052516   18.4 19.10 18.6   ~ 28 0
66 2XMM J122518.2+181822 BLL 12 25 18.2495960736 +18 18 21.685026312   19.16 18.94     ~ 27 0
67 [KB98] Obj J122518+181912 * 12 25 18.5047583952 +18 19 11.023207932           ~ 1 0
68 [KB98] Obj J122520+181401 ? 12 25 19.7 +18 14 01           ~ 1 0
69 M 85 GiP 12 25 24.053 +18 11 27.89   10.2       ~ 678 0
70 [KB98] Obj J125255-091343 ? 12 52 55.5 -09 13 43           ~ 1 0
71 HCG 62 CGG 12 53 05.6 -09 12 21           ~ 313 0
72 [KB98] Obj J125308-072403 * 12 53 07.9745728224 -07 24 04.822949808           ~ 1 0
73 ACO 1691 ClG 13 11 11.14 +39 16 38.4           ~ 116 0
74 SDSS J131136.28+391328.8 GiC 13 11 36.2898561936 +39 13 28.860744324           ~ 6 0
75 [VV2000] J134815.6+264445 QSO 13 48 15.7070179248 +26 44 42.415041840   19.73 19.33     ~ 5 0
76 [KB98] Obj J134830+601057 * 13 48 29.8184021160 +60 10 55.944155280           ~ 1 0
77 LEDA 94626 Sy1 13 48 34.9531368648 +26 31 09.840776880   17.86 17.43     ~ 51 0
78 2MASS J13484097+6016011 G 13 48 40.9905169152 +60 16 00.698098512           ~ 2 0
79 ACO 1795 ClG 13 48 47.4 +26 34 55           ~ 1330 0
80 [VV96] J134848.3+262237 QSO 13 48 48.2473429632 +26 22 19.202529612   18.58 18.40     ~ 43 0
81 SDSS J134859.45+601457.9 QSO 13 48 59.4583731768 +60 14 57.861185424           ~ 11 0
82 NGC 5322 SyG 13 49 15.24 +60 11 25.8   11.3       ~ 432 2
83 HCG 68 CGG 13 53 40.9 +40 19 07     12.4     ~ 114 0
84 [VV2000] J135420.4+401239 QSO 13 54 20.5229024256 +40 12 38.557946916   19.48 19.28     ~ 27 0
85 2XMM J145411.4+183945 QSO 14 54 11.5050465408 +18 39 45.608846760   19.69 19.54     ~ 5 0
86 ACO 1991 ClG 14 54 41.53 +18 38 08.4           ~ 349 1
87 ACO 2029 ClG 15 10 54.2 +05 44 23           ~ 1020 0
88 2MASX J15113367+0545479 Sy1 15 11 33.6955681416 +05 45 47.418310224   18.71 18.07     ~ 25 0
89 [VV2000] J152115.6+073031 QSO 15 21 15.6775584408 +07 30 29.567562768   18.45 18.20     ~ 22 0
90 ACO 2063 ClG 15 23 01.8 +08 38 22           ~ 414 2
91 [KB98] Obj J152339+083337 G 15 23 39.4 +08 33 37           ~ 1 0
92 NVSS J160135+161245 Bla 16 01 35.4947337144 +16 12 39.734725248           ~ 4 0
93 ACO 2147 ClG 16 02 11.96 +15 55 11.5           ~ 416 0
94 [KB98] Obj J162714+394656 ? 16 27 14.0 +39 46 56           ~ 1 0
95 [KB98] Obj J162724+405017 * 16 27 23.8036596672 +40 50 16.787507028           ~ 1 0
96 ACO 2197 ClG 16 27 48.01 +40 58 04.5           ~ 290 0
97 LEDA 3388198 EmG 16 28 25.1255262216 +40 51 29.505935232           ~ 27 0
98 2MASS J16282582+4051419 LM* 16 28 25.8166636272 +40 51 41.869694016           M4 4 0
99 ACO 2199 ClG 16 28 34.5 +39 32 26           ~ 1206 1
100 2MASX J17022620+3411173 Sy1 17 02 26.1933712824 +34 11 17.450168604   18.46 17.84     ~ 16 0
101 ACO 2244 ClG 17 02 40.33 +34 02 58.7           ~ 301 0
102 [VV2006] J171007.5+641240 QSO 17 10 07.4874160848 +64 12 40.916794644   18.76 18.41     ~ 26 0
103 [KB98] Obj J171013+641241 * 17 10 13.3 +64 12 41           ~ 1 0
104 SDSS J171209.30+635858.1 G 17 12 09.3086657256 +63 58 58.210117608           ~ 5 0
105 ACO 2255 ClG 17 12 56.0 +64 04 06           ~ 605 0
106 [KB98] Obj J171326+641002 * 17 13 25.7064446952 +64 10 01.163740728           ~ 2 0

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