2009A&A...505.1049S

Query : 2009A&A...505.1049S

2009A&A...505.1049S - Astronomy and Astrophysics, volume 505, 1049-1074 (2009/10-3)

Parkes HI observations of galaxies behind the southern Milky way. II. The Crux and Great Attractor regions (l ≃ 289° to 338°).

SCHROEDER A.C., KRAAN-KORTEWEG R.C. and HENNING P.A.

Abstract (from CDS):

As part of our programme to map the large-scale distribution of galaxies behind the southern Milky Way, we observed 314 optically-selected, partially-obscured galaxies in the Zone of Avoidance (ZOA) in the Crux and Great Attractor (GA) regions. An additional 29 galaxies were observed in the Vela ZOA survey region (because of the small numbers they are not discussed any further). The observations were conducted with the Parkes 64m (210ft) radio telescope, in a single-pixel pointed mode, reaching an rms noise level of typically 2-6mJy over the velocity search range of 400<v<10500km/s. A total of 162 galaxies were detected (plus 14 galaxies in the Vela region). The detection rate is slightly higher than for the Hydra/Antlia region (52% versus 45%) observed in the same way. This can be explained by the prominence of the GA overdensity in the survey regions, which leads to a relatively higher fraction of nearby galaxies. It is also evident from the quite narrow velocity distribution (largely confined to 3000-6000 km/s) and deviates significantly from the expectation of a uniform galaxy distribution for the given sensitivity and velocity range. No systematic differences were found between detections and non-detections, in terms of latitude, foreground extinction, or environment, except for the very central part of the rich Norma cluster, where hardly any galaxies were detected. A detailed investigation of the HI content of the galaxies reveals strong HI deficiency at the core of the Norma cluster (within about a 0.4 Abell radius), similar to what has been found in the Coma cluster. The redshifts obtained by this observing technique result in a substantial reduction of the so-called redshift ZOA. This is obvious when analysing the large-scale structure of the new HI data in combination with data from other (optical) ZOA redshift surveys. The lower latitude detections provide further evidence of the extension of the Norma Wall, across the ZOA, in particular its bending towards the Cen-Crux clusters above the Galactic plane at slightly higher redshift, rather than a straight continuation towards the Centaurus clusters.

Abstract Copyright: ∼

Journal keyword(s): catalogs - surveys - ISM: dust, extinction - galaxies: fundamental parameters - radio lines: galaxies - cosmology: large-scale structure of Universe

VizieR on-line data: <Available at CDS (J/A+A/505/1049): table1.dat>

Simbad objects: 179

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Number of rows : 179
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 NAME Puppis reg 07 40 -28.0           ~ 95 0
2 NAME Great Attractor SCG 10 32 -46.0           ~ 558 0
3 ACO S 639 ClG 10 40 33 -46 11.7           ~ 28 0
4 LEDA 92302 AG? 10 57 03.369 -70 10 33.09   16.3   15.5 15.7 ~ 11 0
5 ESO 63-6 AG? 11 09 03.150 -68 34 42.70   15.1   14.2 14.2 ~ 8 0
6 2MASX J11091559-7015171 G 11 09 15.5136355080 -70 15 17.290005588   15.4       ~ 13 0
7 ESO 63-14 AG? 11 30 21.81 -70 10 59.5           ~ 5 0
8 ESO 63-17 GiG 11 38 55.430 -69 57 43.00   16.1   15.3 15.0 ~ 22 0
9 ESO 171-3 G 11 58 48.3397772827 -55 18 59.797265801   15.94   13.92   ~ 14 0
10 LEDA 411867 AG? 11 59 54.738 -55 11 03.72           ~ 4 0
11 2MASX J12012005-5347555 G 12 01 20.0172142776 -53 47 56.227624476   14.3   14.1 14.1 ~ 9 0
12 ESO 171-11 AG? 12 08 35.222 -54 05 58.39   16.98   15.46   ~ 10 0
13 2MASX J12101327-7002067 G 12 10 13.2915783576 -70 02 06.379869336           ~ 3 0
14 LEDA 3074222 AG? 12 14 25.43 -58 26 52.9           ~ 6 0
15 LEDA 3074225 AG? 12 14 45.47 -69 41 14.8   16.4   15.8 16.9 ~ 6 0
16 LEDA 3074259 AG? 12 17 29.34 -53 21 25.0           ~ 4 0
17 LEDA 382027 AG? 12 23 06.698 -58 06 47.66           ~ 6 0
18 LEDA 3074350 AG? 12 24 43.513 -70 16 09.40           ~ 4 0
19 LEDA 87365 AG? 12 27 47.3367334632 -53 14 44.859738696   15.4       ~ 15 0
20 ESO 172-4 AG? 12 31 01.813 -55 08 15.13   14.5       ~ 23 0
21 ESO 131-10 AG? 12 32 50.999 -58 01 23.43           ~ 7 0
22 ESO 172-6 AG? 12 43 12.74 -52 47 46.9           ~ 8 0
23 LEDA 407038 AG? 12 45 46.68 -55 40 41.8           ~ 4 0
24 ESO 172-8 AG? 12 46 12.781 -56 44 22.66   15.2       ~ 4 0
25 ACO 3526 ClG 12 48 51.8 -41 18 21           ~ 1068 2
26 LEDA 439700 AG? 12 51 41.05 -52 43 10.5   15.4   15.3 15.1 ~ 8 0
27 ESO 172-11 AG? 12 52 12.334 -53 29 37.66           ~ 7 0
28 LEDA 404983 AG? 12 54 51.489 -55 53 57.94   16.5       ~ 8 0
29 LEDA 396931 AG? 12 58 43.4233249272 -56 48 54.775090548           ~ 7 0
30 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 4803 2
31 IRAS 12594-5552 G 13 02 27.06673 -56 09 05.8570           ~ 3 0
32 LEDA 3074829 AG? 13 05 07.3070 -70 16 35.108           ~ 4 0
33 ESO 173-8 AG? 13 12 38.2136751696 -57 03 45.257648112           ~ 5 0
34 LEDA 166290 AG? 13 15 09.899 -58 56 11.61   15.5   15.2 15.1 ~ 19 0
35 ESO 173-11 GiG 13 21 59.553 -54 36 45.20   14.7       ~ 20 0
36 ESO 220-6 AG? 13 22 52.2667078560 -52 44 36.514530492   13.50   12.43   ~ 8 0
37 LEDA 3075153 AG? 13 23 27.91 -53 30 05.1   14.9   14.7 14.3 ~ 6 0
38 LEDA 3075152 AG? 13 23 30.326 -56 18 30.07   16.3   15.3 15.2 ~ 13 0
39 1RXS J132441.9-573650 ClG 13 24 43.2 -57 36 52           ~ 24 1
40 ESO 173-13 AG? 13 25 19.83 -53 32 13.3           ~ 4 0
41 LEDA 3075172 G 13 25 24.8 -56 09 47           ~ 3 0
42 2MASX J13254646-5509371 G 13 25 46.461 -55 09 37.19           ~ 10 0
43 ESO 173-14 AG? 13 26 16.285 -55 29 07.31   14.9   14.7 14.2 ~ 7 0
44 ESO 173-15 AG? 13 27 23.774 -57 29 22.14   14.9   14.3 13.7 ~ 75 1
45 LEDA 3075214 AG? 13 27 58.7263651128 -54 58 04.474003440   17.6       ~ 9 0
46 2MASX J13314873-6516385 GiG 13 31 48.732 -65 16 38.52           ~ 9 0
47 LEDA 3075301 AG? 13 35 38.79 -52 41 34.2           ~ 4 0
48 IRAS 13329-5617 AG? 13 36 12.10 -56 32 22.7           ~ 4 0
49 LEDA 3075305 GiG 13 36 35.9047477272 -54 55 55.586704764           ~ 12 1
50 LEDA 96541 AG? 13 37 16.981 -55 04 34.27   16.1       ~ 13 1
51 LEDA 375702 AG? 13 37 24.584 -58 52 21.61         13.10 ~ 10 0
52 LEDA 376000 AG? 13 37 32.721 -58 50 05.67         15.00 ~ 6 0
53 LEDA 48178 AG? 13 38 10.52 -56 28 40.1   14.9   14.3 13.6 ~ 12 0
54 LEDA 3075324 AG? 13 38 18.135 -55 04 16.83           ~ 4 0
55 ESO 66-1 AG? 13 40 21.7661623608 -71 07 45.000233328   14.8       ~ 18 0
56 2MASX J13445626-6540515 GiG 13 44 56.3058096216 -65 40 51.797317620   16.4       ~ 19 0
57 ESO 174-1B G 13 47 58.088 -53 20 51.23   14.4   14.2 13.9 ~ 33 1
58 2MASX J13502912-5256475 GiG 13 50 29.128 -52 56 47.59   14.3   14.0 13.9 ~ 24 0
59 NAME AM 1348-524W GiP 13 51 23.423 -52 54 50.80           ~ 4 0
60 NAME AM 1348-524E GiP 13 51 30.6888457512 -52 55 23.951158932   16.4       ~ 20 0
61 2MASX J13513848-5835153 GiG 13 51 38.485 -58 35 15.36   15.2   15.1 12.77 ~ 14 0
62 LEDA 436708 AG? 13 53 38.89 -52 55 03.1           ~ 6 0
63 LEDA 3075525 G 13 53 47.1 -52 50 58           ~ 5 0
64 ESO 174-2 GiG 13 54 33.483 -53 18 40.36   15.7       ~ 26 0
65 ESO 66-3 G 13 56 37.0353917826 -70 55 39.802261997   15.7       ~ 19 0
66 LEDA 2801680 AG? 13 57 21.006 -54 33 27.82           ~ 5 0
67 LEDA 87379 AG? 14 00 26.5264082184 -53 43 30.640981548   16.4       ~ 18 1
68 2MASX J14014127-5325150 G 14 01 41.2433786496 -53 25 15.127959576           ~ 3 0
69 LEDA 405980 AG? 14 01 56.477 -55 47 30.95   14.6   14.3 14.0 ~ 16 0
70 ESO 174-5 GiG 14 02 13.707 -53 32 26.94   14.3   14.0 14.0 ~ 31 0
71 LEDA 3075732 AG? 14 04 39.58 -69 04 13.3   16.2   15.7 15.6 ~ 7 0
72 LEDA 3079543 AG? 14 05 14.0137 -65 34 35.988           ~ 5 0
73 2MASX J14054516-6541032 GiG 14 05 45.165 -65 41 03.27   16.3       ~ 10 0
74 ESO 175-3 AG? 14 08 41.2593218208 -55 14 05.981274852   15.5   15.4 15.3 ~ 16 0
75 ESO 221-28 AG? 14 09 02.2540127760 -51 10 07.816750068   15.60   14.21 14.8 ~ 15 0
76 LEDA 3075799 AG? 14 09 17.18 -55 32 13.2           ~ 4 0
77 LEDA 3075802 G 14 09 46.4 -55 39 16           ~ 3 0
78 ESO 175-4 AG? 14 12 32.83 -56 34 33.6           ~ 6 0
79 LEDA 3079553 AG? 14 14 12.78 -53 55 18.6           ~ 4 0
80 LEDA 3079554 AG? 14 14 19.73 -56 41 31.4           ~ 4 0
81 ESO 175-5 AG? 14 17 46.97 -52 49 47.9   15.1   14.9 14.7 ~ 11 0
82 2MASX J14202352-5504074 GiG 14 20 23.5606177399 -55 04 07.351076665   14.8   14.6 14.5 ~ 24 0
83 LEDA 420129 AG? 14 26 30.549 -54 22 05.18   15.8   15.3 15.2 ~ 17 0
84 LEDA 3079560 AG? 14 28 59.5169465616 -54 44 55.388756436           ~ 6 0
85 ESO 222-8 AG? 14 29 37.36 -51 54 59.9           ~ 5 0
86 LEDA 3079652 AG? 14 30 20.44 -51 47 26.0           ~ 4 0
87 LEDA 3076025 AG? 14 36 48.14 -53 34 22.7           ~ 9 0
88 ESO 67-2 AG? 14 37 03.29 -70 28 51.4   16.1       ~ 5 0
89 LEDA 409605 AG? 14 39 27.9270209112 -55 25 04.318881348           ~ 9 0
90 LEDA 3079658 AG? 14 42 18.52 -54 05 32.5           ~ 5 0
91 ESO 222-15 AG? 14 44 27.21 -49 23 59.2           ~ 13 0
92 ESO 176-3 AG? 14 46 11.07 -53 17 43.4   15.7   15.3 15.4 ~ 6 0
93 LEDA 3079664 AG? 14 48 55.7139257592 -55 38 49.877963592           ~ 5 0
94 LEDA 298631 AG? 14 56 56.09 -67 09 28.9           ~ 4 0
95 ESO 176-6 AG? 14 57 10.034 -54 23 31.85           ~ 19 0
96 LEDA 3076949 AG? 14 57 49.270 -51 58 16.22           ~ 9 0
97 WKK98 4491 AG? 14 58 22.038 -55 09 03.16           ~ 7 0
98 ESO 176-8 AG? 15 03 48.695 -53 09 14.76           ~ 11 0
99 ESO 67-7 AG? 15 06 27.66 -69 21 27.0           ~ 4 0
100 LEDA 54411 AG? 15 14 34.277 -52 59 21.77   13.1   13.0 12.5 ~ 31 0
101 LEDA 3077173 AG? 15 15 58.53 -61 03 46.5           ~ 4 0
102 HIZSS 100 G 15 43 10 -58 44.4           ~ 2 0
103 LEDA 3077407 AG? 15 43 28.02 -60 16 11.1           ~ 8 0
104 ESO 99-8 AG? 15 45 11.543 -66 17 24.96   14.4   13.3 12.6 ~ 24 1
105 2MASX J15452696-6059319 GiG 15 45 26.968 -60 59 31.97   16.4       ~ 12 0
106 ESO 99-9 AG? 15 46 00.6878 -63 18 52.269   14.2   14.0 13.8 ~ 10 0
107 ESO 136-2 AG? 15 46 23.52 -62 11 23.9   14.8   14.6 14.8 ~ 13 0
108 LEDA 3079849 AG? 15 47 10.85 -59 04 07.5           ~ 8 0
109 LEDA 330737 AG? 15 48 04.60 -63 37 12.9           ~ 4 0
110 DENIS J155023.0-582232 AG? 15 50 22.837 -58 22 35.59           ~ 8 0
111 LEDA 3077463 AG? 15 51 01.4495 -59 30 46.707           ~ 5 0
112 ESO 100-1 GiG 15 52 19.9042689000 -62 48 36.732791628           ~ 18 0
113 2MASX J15522989-6038084 GiG 15 52 29.9047497312 -60 38 07.933643448           ~ 13 0
114 2MFGC 12748 GiG 15 52 34.4199044160 -58 23 39.585186240   16.1       ~ 12 0
115 LEDA 3077474 AG? 15 53 18.823 -61 08 13.63           ~ 11 0
116 2MASX J15533781-5841294 GiG 15 53 37.7774041968 -58 41 30.006192912           ~ 6 0
117 ESO 136-7 AG? 15 54 14.121 -59 49 54.49           ~ 7 0
118 ESO 136-8 GiG 15 54 23.155 -61 20 23.97   14.1   13.9 13.4 ~ 21 0
119 2MASX J15544486-6056065 GiG 15 54 44.9334769344 -60 56 06.609109812           ~ 12 0
120 LEDA 3077544 AG? 15 57 52.74 -61 02 53.4           ~ 4 0
121 ESO 136-10 AG? 15 58 29.5506294408 -60 17 43.635801444           ~ 12 0
122 LEDA 3079911 AG? 15 59 27.36 -61 07 03.5           ~ 5 0
123 LEDA 3077594 AG? 16 00 03.933 -61 21 51.69           ~ 4 0
124 2MFGC 12834 GiG 16 00 10.913 -61 06 54.67   16.1       ~ 17 0
125 IC 4584 AG? 16 00 12.2341132152 -66 23 00.002077080   13.44   14.90 12.0 ~ 27 0
126 IC 4585 Sy1 16 00 17.296 -66 19 18.92   13.0       ~ 27 0
127 LEDA 3077609 AG? 16 00 38.00 -61 06 03.0           ~ 4 0
128 LEDA 3077646 G 16 02 47.6 -61 03 14           ~ 3 0
129 ESO 136-15 AG? 16 03 29.352 -59 39 47.60           ~ 15 0
130 ESO 136-16 GiG 16 03 49.3182661392 -60 58 39.848590164   14.1   13.8 13.4 ~ 35 0
131 ESO 136-17 GiG 16 04 25.0734031272 -60 44 14.666138088           ~ 15 0
132 LEDA 3077701 AG? 16 05 34.89 -61 15 28.3           ~ 4 0
133 LEDA 3077726 AG? 16 06 27.466 -57 33 49.60           ~ 7 0
134 LEDA 3077733 AG? 16 07 04.29 -61 27 56.7           ~ 4 0
135 ESO 100-10 G 16 07 39.4 -63 57 37           ~ 3 0
136 ESO 136-19 AG? 16 09 50.4442653936 -60 11 27.285440856           ~ 7 0
137 ESO 136-20 GiG 16 09 56.9360253432 -60 19 25.713992856   13.2   13.4 13.0 ~ 20 0
138 LEDA 2802022 AG? 16 11 55.88 -60 43 32.8   15.7       ~ 6 0
139 ESO 100-13 GiG 16 13 45.0993803232 -63 24 30.227373828   16.0       ~ 25 0
140 LEDA 3077874 G 16 13 46.1 -56 16 25           ~ 4 0
141 ACO 3627 ClG 16 14 22.5 -60 52 07           ~ 296 2
142 LEDA 3077922 G 16 16 14.4 -61 50 49           ~ 3 0
143 ESO 100-15 G 16 16 35.057 -62 41 25.79           ~ 9 0
144 ESO 100-18 AG? 16 19 01.56 -63 03 08.0   13.8   13.7 13.4 ~ 11 0
145 LEDA 332170 AG? 16 20 08.4657360024 -63 28 13.735413804           ~ 4 0
146 LEDA 333002 AG? 16 20 40.1631865200 -63 22 44.313125700           ~ 4 0
147 ESO 137-18 GiG 16 20 58.352 -60 29 27.48   12.23   11.03 11.9 ~ 72 0
148 LEDA 339155 AG? 16 22 46.11 -62 50 04.7           ~ 4 0
149 ESO 137-20 AG? 16 22 47.71 -60 18 56.2   17.58   16.16   ~ 6 0
150 LEDA 3078197 AG? 16 23 36.15 -60 11 29.0           ~ 4 0
151 LEDA 58179 G 16 27 21.3 -60 27 22           ~ 16 0
152 LEDA 3078327 AG? 16 28 36.05 -59 56 50.0           ~ 5 0
153 LEDA 3078390 AG? 16 30 06.764 -57 41 15.59           ~ 4 0
154 NGC 6156 GiG 16 34 52.5448490040 -60 37 07.867951500   12.30   11.05 12.0 ~ 78 0
155 2MASX J16365206-6016347 GiG 16 36 52.064 -60 16 34.77   14.6   14.2 13.8 ~ 17 0
156 LEDA 3078637 AG? 16 40 51.49 -60 20 23.4           ~ 4 0
157 ESO 137-38 AG? 16 40 52.5373019976 -60 23 39.406139520   12.72       ~ 22 0
158 LEDA 3078641 AG? 16 40 52.76 -56 24 20.8           ~ 4 0
159 ESO 137-39 AG? 16 41 06.90 -60 58 55.0   15.13       ~ 9 0
160 2MFGC 13373 GiG 16 42 49.852 -61 05 25.73           ~ 17 0
161 ESO 179-12 AG? 16 44 21.390 -55 29 37.23   14.2   14.1 13.5 ~ 11 0
162 ESO 179-13 AG? 16 47 20.050 -57 26 24.61   13.1   13.3 12.8 ~ 29 1
163 LEDA 3080069 AG? 16 47 27.91 -57 25 35.8           ~ 5 0
164 ESO 137-42 GiG 16 47 40.734 -60 08 56.34   13.67   12.46 13.3 ~ 29 0
165 NGC 6221 Sy2 16 52 46.329 -59 13 00.99   10.90 13.45 9.68 10.4 ~ 310 0
166 LEDA 59314 AG? 16 57 29.930 -58 34 25.70   13.7   13.3 13.0 ~ 13 0
167 LEDA 3079043 AG? 17 02 31.69 -52 50 24.3           ~ 5 0
168 ESO 180-3 AG? 17 08 36.336 -56 35 13.10           ~ 6 0
169 ESO 395-4 AG? 18 24 23.3277438576 -34 10 54.597700200   15.8       ~ 22 0
170 ACO S 805 ClG 18 47 14.4 -63 19 45           ~ 133 3
171 NAME Crux Region reg ~ ~           ~ 16 0
172 NAME Norma Wall reg ~ ~           ~ 12 0
173 NAME ANT-HYA SUPERCL SCG ~ ~           ~ 6 0
174 NAME Local Group GrG ~ ~           ~ 8391 0
175 NAME Vela Star Cloud ClG ~ ~           ~ 23 0
176 NAME Cen-Crux As* ~ ~           ~ 25 0
177 NAME Vela Field reg ~ ~           ~ 182 0
178 NAME Cen-Cru Cluster ClG ~ ~           ~ 10 0
179 NAME Centaurus Wall reg ~ ~           ~ 14 0

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