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: 181

Full paper

View the references in ADS

Number of rows : 181

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2023	#notes
1	NAME Puppis	reg	07 40	-28.0					~	90	0
2	NAME Great Attractor	SCG	10 32	-46.0					~	531	0
3	ACO S 639	ClG	10 40 33	-46 11.7					~	28	0
4	2MFGC 8538	G	10 57 03.369	-70 10 33.09	16.3		15.5	15.7	~	10	0
5	ESO 63-6	G	11 09 03.150	-68 34 42.70	15.1		14.2	14.2	~	7	0
6	2MASX J11091559-7015171	G	11 09 15.5136355080	-70 15 17.290005588	15.4				~	12	0
7	ESO 63-14	G	11 30 21.7	-70 11 00					~	4	0
8	ESO 63-17	GiG	11 38 55.430	-69 57 43.00	16.1		15.3	15.0	~	20	0
9	ESO 171-3	G	11 58 48.3397772827	-55 18 59.797265801	15.94		13.92		~	13	0
10	2MASX J11595473-5511037	G	11 59 54.738	-55 11 03.72					~	3	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	G	12 08 35.222	-54 05 58.39	16.98		15.46		~	9	0
13	2MASX J12101327-7002067	G	12 10 13.2915783576	-70 02 06.379869336					~	3	0
14	LEDA 3074222	G	12 14 25.4	-58 26 53					~	5	0
15	LEDA 3074225	G	12 14 45.5	-69 41 14	16.4		15.8	16.9	~	5	0
16	LEDA 3074259	G	12 17 29.3	-53 21 25					~	3	0
17	2MASX J12230669-5806476	G	12 23 06.698	-58 06 47.66					~	5	0
18	2MASX J12244351-7016094	G	12 24 43.513	-70 16 09.40					~	3	0
19	2MASX J12274739-5314446	G	12 27 47.3367334632	-53 14 44.859738696	15.4				~	13	0
20	ESO 172-4	G	12 31 01.813	-55 08 15.13	14.5				~	21	0
21	ESO 131-10	G	12 32 50.999	-58 01 23.43					~	6	0
22	ESO 172-6	G	12 43 12.5	-52 47 50					~	7	0
23	LEDA 407038	G	12 45 46.7	-55 40 45					~	3	0
24	ESO 172-8	G	12 46 12.781	-56 44 22.66	15.2				~	3	0
25	ACO 3526	ClG	12 48 51.8	-41 18 21					~	1038	2
26	LEDA 439700	G	12 51 41.1	-52 43 10	15.4		15.3	15.1	~	7	0
27	ESO 172-11	G	12 52 12.334	-53 29 37.66					~	6	0
28	2MFGC 10204	G	12 54 51.489	-55 53 57.94	16.5				~	7	0
29	2MASX J12584347-5648545	G	12 58 43.4233249272	-56 48 54.775090548					~	6	0
30	ACO 1656	ClG	12 59 48.7	+27 58 50					~	4650	2
31	IRAS 12594-5552	G	13 02 27.06673	-56 09 05.8570					~	3	0
32	LEDA 3074829	G	13 05 06.1	-70 16 38					~	3	0
33	ESO 173-8	G	13 12 38.2136751696	-57 03 45.257648112					~	4	0
34	2MASX J13150989-5856116	G	13 15 09.899	-58 56 11.61	15.5		15.2	15.1	~	18	0
35	ESO 173-11	GiG	13 21 59.553	-54 36 45.20	14.7				~	18	0
36	ESO 220-6	G	13 22 52.2667078560	-52 44 36.514530492	13.50		12.43		~	7	0
37	LEDA 3075153	G	13 23 27.9	-53 30 05	14.9		14.7	14.3	~	5	0
38	2MASX J13233032-5618300	G	13 23 30.326	-56 18 30.07	16.3		15.3	15.2	~	11	0
39	1RXS J132441.9-573650	ClG	13 24 43.2	-57 36 52					~	24	1
40	ESO 173-13	G	13 25 19.9	-53 32 12					~	3	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					~	9	0
43	ESO 173-14	G	13 26 16.285	-55 29 07.31	14.9		14.7	14.2	~	6	0
44	ESO 173-15	G	13 27 23.774	-57 29 22.14	14.9		14.3	13.7	~	70	1
45	2MASX J13275879-5458043	G	13 27 58.7263651128	-54 58 04.474003440	17.6				~	7	0
46	2MASX J13314873-6516385	GiG	13 31 48.732	-65 16 38.52					~	8	0
47	LEDA 3075301	G	13 35 38.7	-52 41 34					~	3	0
48	SGC 133256-5617.1	G	13 36 12.3	-56 32 22					~	3	0
49	LEDA 3075305	GiG	13 36 35.9047477272	-54 55 55.586704764					~	10	1
50	2MASX J13371698-5504342	G	13 37 16.981	-55 04 34.27	16.1				~	11	1
51	2MFGC 10990	G	13 37 24.584	-58 52 21.61				13.10	~	9	0
52	2MASX J13373272-5850056	G	13 37 32.721	-58 50 05.67				15.00	~	5	0
53	LEDA 48178	G	13 38 10.4	-56 28 42	14.9		14.3	13.6	~	11	0
54	2MASX J13381813-5504168	G	13 38 18.135	-55 04 16.83					~	3	0
55	ESO 66-1	G	13 40 21.7661623608	-71 07 45.000233328	14.8				~	16	0
56	2MASX J13445626-6540515	GiG	13 44 56.3058096216	-65 40 51.797317620	16.4				~	18	0
57	ESO 174-1B	G	13 47 58.088	-53 20 51.23	14.4		14.2	13.9	~	31	1
58	2MASX J13502912-5256475	GiG	13 50 29.128	-52 56 47.59	14.3		14.0	13.9	~	22	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				~	19	0
61	2MASX J13513848-5835153	GiG	13 51 38.485	-58 35 15.36	15.2		15.1	12.77	~	13	0
62	LEDA 436708	G	13 53 39.1	-52 55 06					~	5	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				~	24	0
65	ESO 66-3	G	13 56 37.0353917826	-70 55 39.802261997	15.7				~	18	0
66	2MASX J13572100-5433278	G	13 57 21.006	-54 33 27.82					~	4	0
67	2MASX J14002657-5343304	G	14 00 26.5264082184	-53 43 30.640981548	16.4				~	16	1
68	2MASX J14014127-5325150	G	14 01 41.2433786496	-53 25 15.127959576					~	3	0
69	2MASX J14015647-5547309	G	14 01 56.477	-55 47 30.95	14.6		14.3	14.0	~	14	0
70	ESO 174-5	GiG	14 02 13.707	-53 32 26.94	14.3		14.0	14.0	~	29	0
71	LEDA 3075732	G	14 04 39.6	-69 04 13	16.2		15.7	15.6	~	6	0
72	LEDA 3079543	G	14 05 13.4	-65 34 30					~	4	0
73	2MASX J14054516-6541032	GiG	14 05 45.165	-65 41 03.27	16.3				~	9	0
74	ESO 175-3	G	14 08 41.2593218208	-55 14 05.981274852	15.5		15.4	15.3	~	14	0
75	ESO 221-28	G	14 09 02.2540127760	-51 10 07.816750068	15.60		14.21	14.8	~	14	0
76	LEDA 3075799	G	14 09 17.1	-55 32 13					~	3	0
77	LEDA 3075802	G	14 09 46.4	-55 39 16					~	3	0
78	ESO 175-4	G	14 12 33.2	-56 34 27					~	5	0
79	LEDA 3079553	G	14 14 12.7	-53 55 18					~	3	0
80	LEDA 3079554	G	14 14 19.7	-56 41 31					~	3	0
81	ESO 175-5	G	14 17 46.8	-52 49 52	15.1		14.9	14.7	~	10	0
82	2MASX J14202352-5504074	GiG	14 20 23.5606177399	-55 04 07.351076665	14.8		14.6	14.5	~	22	0
83	2MFGC 11720	G	14 26 30.549	-54 22 05.18	15.8		15.3	15.2	~	15	0
84	2MASX J14285947-5444549	G	14 28 59.5169465616	-54 44 55.388756436					~	5	0
85	ESO 222-8	G	14 29 37.8	-51 54 57					~	4	0
86	LEDA 3079652	G	14 30 20.4	-51 47 26					~	3	0
87	LEDA 3076025	G	14 36 48.1	-53 34 22					~	8	0
88	ESO 67-2	G	14 37 02.9	-70 28 50	16.1				~	4	0
89	2MASX J14392795-5525045	G	14 39 27.9270209112	-55 25 04.318881348					~	8	0
90	LEDA 3079658	G	14 42 18.5	-54 05 32					~	4	0
91	ESO 222-15	G	14 44 28.4	-49 24 10					~	12	0
92	ESO 176-3	G	14 46 11.0	-53 17 43	15.7		15.3	15.4	~	5	0
93	2MASX J14485572-5538495	G	14 48 55.7139257592	-55 38 49.877963592					~	4	0
94	LEDA 298631	G	14 56 55.5	-67 09 25					~	3	0
95	ESO 176-6	G	14 57 10.034	-54 23 31.85					~	18	0
96	2MASX J14574927-5158162	G	14 57 49.270	-51 58 16.22					~	7	0
97	WKK98 4491	G	14 58 22.038	-55 09 03.16					~	6	0
98	ESO 176-8	G	15 03 48.695	-53 09 14.76					~	10	0
99	ESO 67-7	G	15 06 27.7	-69 21 30					~	3	0
100	2MASX J15143427-5259217	G	15 14 34.277	-52 59 21.77	13.1		13.0	12.5	~	30	0
101	LEDA 3077173	G	15 15 58.5	-61 03 46					~	3	0
102	HIZSS 100	G	15 43 10	-58 44.4					~	2	0
103	LEDA 3077407	G	15 43 27.9	-60 16 11					~	7	0
104	ESO 99-8	G	15 45 11.543	-66 17 24.96	14.4		13.3	12.6	~	22	1
105	2MASX J15452696-6059319	GiG	15 45 26.968	-60 59 31.97	16.4				~	11	0
106	ESO 99-9	G	15 46 01.5	-63 18 45	14.2		14.0	13.8	~	9	0
107	ESO 136-2	G	15 46 23.4	-62 11 27	14.8		14.6	14.8	~	12	0
108	LEDA 3079849	G	15 47 10.8	-59 04 07					~	7	0
109	LEDA 330737	G	15 48 05.2	-63 37 16					~	3	0
110	2MASX J15502283-5822355	G	15 50 22.837	-58 22 35.59					~	7	0
111	LEDA 3077463	G	15 51 01.0	-59 30 41					~	4	0
112	ESO 100-1	GiG	15 52 19.9042689000	-62 48 36.732791628					~	16	0
113	2MASX J15522989-6038084	GiG	15 52 29.9047497312	-60 38 07.933643448					~	11	0
114	2MFGC 12748	GiG	15 52 34.4199044160	-58 23 39.585186240	16.1				~	12	0
115	2MASX J15531882-6108136	G	15 53 18.823	-61 08 13.63					~	9	0
116	2MASX J15533781-5841294	GiG	15 53 37.7774041968	-58 41 30.006192912					~	5	0
117	ESO 136-7	G	15 54 14.121	-59 49 54.49					~	6	0
118	ESO 136-8	GiG	15 54 23.155	-61 20 23.97	14.1		13.9	13.4	~	19	0
119	2MASX J15544486-6056065	GiG	15 54 44.9334769344	-60 56 06.609109812					~	10	0
120	LEDA 3077544	G	15 57 52.7	-61 02 53					~	3	0
121	ESO 136-10	G	15 58 29.5506294408	-60 17 43.635801444					~	10	0
122	LEDA 3079911	G	15 59 27.3	-61 07 03					~	4	0
123	2MASX J16000393-6121516	G	16 00 03.933	-61 21 51.69					~	3	0
124	2MFGC 12834	GiG	16 00 10.913	-61 06 54.67	16.1				~	15	0
125	IC 4584	G	16 00 12.2341132152	-66 23 00.002077080	13.44		14.90	12.0	~	25	0
126	IC 4585	G	16 00 17.296	-66 19 18.92	13.0				~	24	0
127	LEDA 3077609	G	16 00 38.0	-61 06 03					~	3	0
128	LEDA 3077646	G	16 02 47.6	-61 03 14					~	3	0
129	ESO 136-15	G	16 03 29.352	-59 39 47.60					~	13	0
130	ESO 136-16	GiG	16 03 49.3182661392	-60 58 39.848590164	14.1		13.8	13.4	~	33	0
131	ESO 136-17	GiG	16 04 25.0734031272	-60 44 14.666138088					~	13	0
132	LEDA 3077701	G	16 05 34.8	-61 15 28					~	3	0
133	2MASX J16062746-5733496	G	16 06 27.466	-57 33 49.60					~	6	0
134	LEDA 3077733	G	16 07 04.3	-61 27 57					~	3	0
135	ESO 100-10	G	16 07 39.4	-63 57 37					~	3	0
136	ESO 136-19	G	16 09 50.4442653936	-60 11 27.285440856					~	6	0
137	ESO 136-20	GiG	16 09 56.9360253432	-60 19 25.713992856	13.2		13.4	13.0	~	18	0
138	LEDA 2802022	G	16 11 55.9	-60 43 33	15.7				~	5	0
139	ESO 100-13	GiG	16 13 45.0993803232	-63 24 30.227373828	16.0				~	23	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					~	285	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	G	16 19 00.1	-63 03 06	13.8		13.7	13.4	~	10	0
145	2MASX J16200853-6328129	G	16 20 08.4657360024	-63 28 13.735413804					~	3	0
146	2MASX J16204026-6322449	G	16 20 40.1631865200	-63 22 44.313125700					~	3	0
147	ESO 137-18	GiG	16 20 58.352	-60 29 27.48	12.23		11.03	11.9	~	66	0
148	LEDA 339155	G	16 22 45.5	-62 50 09					~	3	0
149	ESO 137-20	G	16 22 48.9	-60 19 01	17.58		16.16		~	5	0
150	LEDA 3078197	G	16 23 36.1	-60 11 29					~	3	0
151	LEDA 58179	G	16 27 21.3	-60 27 22					~	16	0
152	LEDA 3078327	G	16 28 36.0	-59 56 50					~	4	0
153	2MASX J16300676-5741155	G	16 30 06.764	-57 41 15.59					~	3	0
154	NGC 6156	GiG	16 34 52.5448490040	-60 37 07.867951500	12.30		11.05	12.0	~	71	0
155	2MASX J16365206-6016347	GiG	16 36 52.064	-60 16 34.77	14.6		14.2	13.8	~	15	0
156	LEDA 3078637	G	16 40 51.4	-60 20 23					~	3	0
157	ESO 137-38	G	16 40 52.5373019976	-60 23 39.406139520	12.72				~	20	0
158	LEDA 3078641	G	16 40 52.7	-56 24 21					~	3	0
159	ESO 137-39	G	16 41 06.8	-60 58 56	15.13				~	7	0
160	2MFGC 13373	GiG	16 42 49.852	-61 05 25.73					~	14	0
161	ESO 179-12	G	16 44 21.390	-55 29 37.23	14.2		14.1	13.5	~	10	0
162	ESO 179-13	IG	16 47 20.050	-57 26 24.61	13.1		13.3	12.8	~	28	1
163	LEDA 3080069	G	16 47 27.8	-57 25 36					~	4	0
164	ESO 137-42	GiG	16 47 40.734	-60 08 56.34	13.67		12.46	13.3	~	27	0
165	NGC 6221	Sy2	16 52 46.329	-59 13 00.99	10.90	13.45	9.68	10.4	~	299	0
166	2MASX J16572993-5834257	G	16 57 29.930	-58 34 25.70	13.7		13.3	13.0	~	12	0
167	LEDA 3079043	G	17 02 31.6	-52 50 24					~	4	0
168	ESO 180-3	G	17 08 36.336	-56 35 13.10					~	5	0
169	ESO 395-4	G	18 24 23.3277438576	-34 10 54.597700200	15.8				~	19	0
170	ACO S 805	ClG	18 47 14.4	-63 19 45					~	130	3
171	NAME Centaurus Wall	reg	~	~					~	14	0
172	NAME Norma Wall	reg	~	~					~	10	0
173	NAME Cen-Crux	As*	~	~					~	25	0
174	NAME Crux Region	reg	~	~					~	15	0
175	NAME ANT-HYA SUPERCL	SCG	~	~					~	6	0
176	NAME Vela Star Cloud	ClG	~	~					~	23	0
177	NAME Local Group	GrG	~	~					~	8039	0
178	NAME Vela Field	reg	~	~					~	174	0
179	NAME Cen-Cru Cluster	ClG	~	~					~	10	0
180	NAME CFA Great Wall	SCG	~	~					~	130	0
181	NAME the Wall	reg	~	~					~	13	0

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