2011A&A...527A..90P


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.04CEST15:31:56

2011A&A...527A..90P - Astronomy and Astrophysics, volume 527A, 90-90 (2011/3-1)

The WSRT Virgo HI filament survey. I. Total power data.

POPPING A. and BRAUN R.

Abstract (from CDS):

Observations of neutral hydrogen can provide a wealth of information about the kinematics of galaxies. To learn more about the large-scale structures and accretion processes, the extended environment of galaxies have to be observed. Numerical simulations predict a cosmic web of extended structures and gaseous filaments. To observe the direct vicinity of galaxies, column densities have to be achieved that probe the regime of Lyman limit systems. Typically, HI observations are limited to a brightness sensitivity of NHI∼1019cm–2, but this has to be improved by ∼2 orders of magnitude. With the Westerbork Synthesis Radio Telescope (WSRT), we mapped the galaxy filament connecting the Virgo Cluster with the Local Group. About 1500 square degrees on the sky was surveyed with Nyquist sampled pointings. By using the WSRT antennas as single-dish telescopes instead of the more conventional interferometer, we were very sensitive to extended emission. The survey consists of a total of 22000 pointings, and each pointing was observed for two minutes with 14 antennas. We reached a flux sensitivity of 16mJy/beam over 16km/s, corresponding to a brightness sensitivity of NHI∼3.5x1016cm–2 for sources that fill the beam. At a typical distance of ten Mpc probed by this survey, the beam extent corresponds to about 145kpc on linear scale. Although the processed data cubes are affected by confusion owing to the very large beam size, we can identify most of the galaxies that have been observed in HIPASS. Furthermore we made 20 new candidate detections of neutral hydrogen. Several of the candidate detections can be linked to an optical counterpart. The majority of the features, however, do not show any signs of stellar emission. Their origin is investigated further with accompanying HI surveys, which will be published in follow-up papers.

Abstract Copyright:

Journal keyword(s): galaxies: evolution - intergalactic medium

VizieR on-line data: <Available at CDS (J/A+A/527/A90): table1.dat table2.dat notes.dat>

Nomenclature: Tables 1-2: WVFS JHHMM+DDMM N=128+20.

Simbad objects: 160

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Number of rows : 160

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 10902 1
2 M 33 GiG 01 33 50.904 +30 39 35.79 6.17 6.27 5.72     ~ 5134 1
3 3C 48 QSO 01 37 41.2995845985 +33 09 35.079126038   16.62 16.20     ~ 2495 2
4 UGC 4781 EmG 09 06 34.291 +06 18 13.70   14.90       ~ 41 0
5 UGC 4797 G 09 08 10.192 +05 55 41.55   15.7       ~ 41 0
6 LEDA 2807128 LSB 09 08 36.540 +05 17 26.83   17.0       ~ 29 0
7 NGC 2775 G 09 10 20.112 +07 02 16.53   11.417 10.481 9.920 8.994 ~ 317 0
8 NGC 2777 G 09 10 41.887 +07 12 24.12   13.9       ~ 49 1
9 UGC 5205 GiP 09 44 07.203 -00 39 30.11   14.9   14.68 15.3 ~ 29 0
10 IC 559 G 09 44 43.816 +09 36 57.37   15.0       ~ 43 0
11 6dFGS gJ094446.2-004119 EmG 09 44 46.230 -00 41 18.30   16.25   15.54 15.5 ~ 13 0
12 UGC 5288 PaG 09 51 17.241 +07 49 32.05 15.07 14.65 14.18 13.99   ~ 76 0
13 NGC 3044 G 09 53 40.884 +01 34 46.74   12.7   12.7 12.3 ~ 194 1
14 NGC 3049 EmG 09 54 49.651 +09 16 17.90   13.04       ~ 288 1
15 UGC 5522 G 10 13 58.795 +07 01 26.88   14.4       ~ 55 0
16 NGC 3169 GiP 10 14 15.099 +03 27 58.03   13.46 12.41     ~ 331 1
17 UGC 5539 LSB 10 15 55.00 +02 41 07.7   15.3       ~ 19 0
18 UGC 5551 G 10 17 11.520 +04 19 55.82   17       ~ 20 0
19 NGC 3209 GiG 10 20 38.4175963277 +25 30 18.235272542   13.9       ~ 38 0
20 UGC 5677 G 10 28 38.16 +03 33 31.6   15.2       ~ 31 0
21 UGC 5708 GiP 10 31 13.307 +04 28 20.08   14.60       ~ 60 0
22 UGC 5797 EmG 10 39 25.193 +01 43 09.08 15.68 15.07 14.59 14.37 14.4 ~ 42 0
23 NGC 3365 GiG 10 46 12.649 +01 48 47.95   13.0   13.0 12.9 ~ 88 0
24 NGC 3423 AGN 10 51 14.3251993940 +05 50 24.171980875   12.1       ~ 149 0
25 LEDA 2807138 G 10 51 32.0 +03 27 14           ~ 3 0
26 UGC 5974 GiG 10 51 35.311 +04 34 58.41   14.00       ~ 37 1
27 NGC 3495 GiG 11 01 16.168 +03 37 40.93   13.10       ~ 133 0
28 NGC 3521 LSB 11 05 48.5676206040 -00 02 09.228156576 10.06 9.83 9.02 10.1 9.6 ~ 695 2
29 NGC 3526 GiG 11 06 56.623 +07 10 26.12   13.70       ~ 102 0
30 LEDA 33959 EmG 11 10 54.7 +01 05 34   15.7   15.5 15.8 ~ 18 0
31 NGC 3604 GiG 11 17 30.157 +04 33 19.54   12.4       ~ 110 0
32 LEDA 1367320 G 11 19 28.100 +09 35 44.29           ~ 19 0
33 Z 39-123 GiG 11 20 15.59 +02 31 33.0   14.4       ~ 53 0
34 NGC 3664 GiP 11 24 24.258 +03 19 29.95   13.6       ~ 110 0
35 IC 692 GiG 11 25 53.492 +09 59 14.16   14.1       ~ 43 0
36 IC 2828 EmG 11 27 10.9217665452 +08 43 51.672605764   14.7       ~ 41 0
37 UGC 6457 EmG 11 27 12.252 -00 59 40.79   14.973   14.335 14.7 ~ 37 0
38 NGC 3705 GiG 11 30 07.456 +09 16 35.87 12.00 11.86 11.07     ~ 151 1
39 UGC 6578 EmG 11 36 36.636 +00 49 02.61   15.3   14.518 15.1 ~ 115 0
40 LEDA 36594 LSB 11 44 54.302 +02 09 46.98   17.6       ~ 14 0
41 NGC 4030 GiP 12 00 23.6122434029 -01 06 00.223672461   11.42   10.3 10.4 ~ 291 1
42 NGC 4116 GiP 12 07 37.156 +02 41 25.59   12.41 11.97     ~ 150 2
43 NGC 4123 AGN 12 08 11.082 +02 52 41.91   13.1       ~ 308 1
44 UGC 7178 G 12 11 03.666 +02 00 24.04   15.852   15.429   ~ 47 1
45 UGC 7185 GiG 12 11 27.300 +02 55 30.97   15.5       ~ 22 0
46 LEDA 135791 LSB 12 12 25.536 +02 48 33.93   15.4       ~ 11 0
47 UGC 7239 G 12 14 08.841 +07 46 34.47   15.0       ~ 59 0
48 NGC 4207 GiG 12 15 30.436 +09 35 05.78   13.7       ~ 127 0
49 SDSS J121643.27+041537.7 G 12 16 43.270 +04 15 37.75           ~ 1 0
50 UGC 7307 LSB 12 17 04.235 +10 00 20.02   16.5       ~ 48 0
51 UGC 7332 G 12 17 55.905 +00 26 11.10   14.8   14.7 16.6 ~ 39 0
52 NGC 4241 GiG 12 17 59.9036847854 +06 39 15.055802294   14.4       ~ 98 0
53 LEDA 39734 LSB 12 19 53.386 +06 39 55.97   19       ~ 43 0
54 UGC 7394 GiG 12 20 27.627 +01 28 12.16   15.2   14.110 14.4 ~ 60 0
55 M 61 Sy2 12 21 54.9275149050 +04 28 25.588335799 10.07 10.18 9.65     ~ 870 2
56 NGC 4301 GiG 12 22 27.246 +04 33 58.69   13.40 12.99     ~ 106 1
57 NGC 4316 GiG 12 22 42.221 +09 19 58.12   14.0       ~ 134 0
58 NGC 4318 GiG 12 22 43.301 +08 11 54.12   14.1       ~ 119 0
59 MCG+01-32-049 EmG 12 24 40.052 +03 18 12.22   14.9       ~ 28 0
60 NGC 4376 GiG 12 25 18.0159702260 +05 44 28.132402987   13.9       ~ 104 0
61 UGC 7512 LSB 12 25 40.875 +02 09 33.36   16.706   16.629   ~ 48 0
62 UGC 7513 GiG 12 25 42.634 +07 13 00.15   14.4       ~ 159 0
63 MCG+01-32-056 GiG 12 25 52.500 +05 48 36.32   15.2       ~ 60 0
64 NGC 4411 GiP 12 26 29.859 +08 52 20.08   14.4       ~ 116 0
65 NAME Vir I ClG 12 26 32.1 +12 43 24   10.00 8.49     ~ 5824 0
66 NGC 4423 GiG 12 27 08.972 +05 52 48.81   14.4       ~ 116 0
67 Z 42-108 GiG 12 27 11.39 +07 15 45.2   15.3       ~ 88 0
68 NGC 4430 GiP 12 27 26.4014958744 +06 15 45.975179068   13.4       ~ 141 0
69 NAME HI 1225+01 Galaxy LSB 12 27 46.1 +01 36 01 15.45 16.02 15.92 15.73   ~ 37 0
70 UGC 7590 GiG 12 28 18.772 +08 43 46.08   15.0       ~ 93 0
71 NGC 4457 LIN 12 28 59.011 +03 34 14.19   11.9       ~ 256 0
72 UGC 7612 GiG 12 29 02.140 +02 43 23.53   15.2       ~ 67 0
73 IC 3414 GiG 12 29 28.7707880441 +06 46 18.549648514   14.2       ~ 99 0
74 UGC 7642 LSB 12 30 13.513 +02 37 29.98   15.3       ~ 36 0
75 HIPASS J1230+09 HI 12 30 22.3 +09 31 28           ~ 4 0
76 NAME Reinmuth 80 H2G 12 32 28.20 +00 23 23.0   12.7   12.8 12.9 ~ 101 0
77 NGC 4517 AGN 12 32 45.586 +00 06 54.14   11.1   11.1 10.6 ~ 236 1
78 NGC 4519 GiG 12 33 30.278 +08 39 16.06   12.8       ~ 249 0
79 UGC 7715 GiG 12 33 55.2791971068 +03 32 50.549272086   15.3       ~ 29 0
80 IC 3576 AGN 12 36 37.675 +06 37 15.19   15.90 15.40     ~ 103 1
81 UGC 7780 G 12 36 42.133 +03 06 32.35   16.5       ~ 35 0
82 IC 3591 bCG 12 37 02.697 +06 55 33.26   14.6       ~ 114 1
83 NGC 4592 GiG 12 39 18.7574179346 -00 31 55.493486248   12.4   12.3 12.1 ~ 110 0
84 LEDA 42666 LSB 12 42 18.602 +05 44 21.90   17       ~ 32 0
85 NGC 4630 H2G 12 42 31.146 +03 57 37.29   13.4       ~ 119 0
86 LEDA 42768 LSB 12 43 07.4985165913 +07 39 16.421517990   18       ~ 40 0
87 UGC 7911 GiG 12 44 28.7704915894 +00 28 05.159822484   13.3   13.485 13.0 ~ 60 0
88 NGC 4666 GiP 12 45 08.676 -00 27 42.88   11.7   11.5 10.7 ~ 327 1
89 UGC 7943 GiG 12 46 45.71448 +05 57 19.2276   14.7       ~ 53 0
90 NGC 4688 GiP 12 47 46.5238842013 +04 20 09.734676195   14.5       ~ 150 1
91 NGC 4698 Sy2 12 48 22.9112380605 +08 29 14.648866444   13.24 12.27     ~ 442 0
92 NGC 4701 GiG 12 49 11.5932901313 +03 23 19.390550167   13.1       ~ 145 0
93 UGC 7983 G 12 49 47.020 +03 50 32.28   16.5       ~ 20 0
94 NGC 4713 GiG 12 49 57.8808487310 +05 18 40.927534284   12.3       ~ 269 0
95 SDSS J125249.40+014404.3 G 12 52 49.400 +01 44 04.28           ~ 3 0
96 NGC 4765 GiG 12 53 14.6103052812 +04 27 47.472430278   13.0       ~ 92 0
97 NGC 4771 EmG 12 53 21.273 +01 16 09.02   12.92   12.4 12.2 ~ 110 1
98 NGC 4772 LIN 12 53 29.1636622578 +02 10 06.133021648 12.29 11.96 11.04     ~ 220 1
99 APG 277 IG 12 54 49.9 +02 38 57           ~ 59 1
100 UGC 8041 EmG 12 55 12.6508261211 +00 07 00.035345114   14.694   16.214 12.7 ~ 109 0
101 NGC 4808 GiG 12 55 48.940 +04 18 14.74   12.5       ~ 198 0
102 UGC 8053 EmG 12 55 49.0635382929 +04 00 50.139602077   15.0       ~ 41 0
103 UGC 8074 GiG 12 57 44.590 +02 41 30.27   15.4       ~ 28 0
104 UGC 8105 EmG 12 59 57.748 +02 03 01.09   15.5   14.458   ~ 54 0
105 NGC 4900 EmG 13 00 39.1189337687 +02 30 05.164657273   12.8       ~ 224 0
106 NGC 4904 Sy1 13 00 58.667 -00 01 38.83   13.2       ~ 135 0
107 UGC 8276 G 13 12 06.554 +05 28 32.53   18       ~ 25 0
108 UGC 8285 G 13 12 33.270 +07 11 03.33   15.2       ~ 28 0
109 UGC 8298 G 13 13 19.653 +10 11 38.53   15.2       ~ 28 0
110 6dFGS gJ131742.7-010005 LSB 13 17 43.1869172198 -01 00 03.815472522   16.0   15.7 16.2 ~ 41 0
111 UGC 8382 G 13 20 32.310 +05 24 25.53   15.3       ~ 19 0
112 UGC 8385 G 13 20 38.718 +09 47 10.11   14.6       ~ 47 0
113 NGC 5147 H2G 13 26 19.7261636012 +02 06 02.696957081   12.7       ~ 89 0
114 LEDA 135827 LSB 13 28 11.832 +02 16 55.94   16.3       ~ 18 0
115 M 51 GiP 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 3781 4
116 3C 286 Sy1 13 31 08.2885060664 +30 30 32.960825108   17.51 17.25     ~ 3715 1
117 UGC 8575 GiG 13 35 45.619 +08 58 09.56   15.5       ~ 42 0
118 UGC 8614 GiG 13 37 26.225 +07 38 51.17   15.4       ~ 42 0
119 NGC 5248 GiG 13 37 32.069 +08 53 06.22   11.4       ~ 441 0
120 UGC 8629 GiG 13 38 30.648 +08 26 32.36   15.5       ~ 31 0
121 NGC 5300 EmG 13 48 16.0373161841 +03 57 03.109791716   13.7       ~ 117 0
122 NGC 5334 LSB 13 52 54.4632693594 -01 06 52.601149767   12.0   12.3 12.1 ~ 150 0
123 NGC 5348 GiP 13 54 11.254 +05 13 37.91   14.5       ~ 80 0
124 NGC 5364 GiP 13 56 12.004 +05 00 52.06   13.2       ~ 232 0
125 UGC 8995 GiC 14 04 47.380 +08 48 03.89   14.9       ~ 47 0
126 NGC 5496 GiG 14 11 37.855 -01 09 31.39   13.40   13.0 12.8 ~ 112 0
127 LEDA 140287 G 14 16 57.272 +03 50 10.08           ~ 14 0
128 UGC 9169 G 14 19 44.637 +09 21 44.46   14.7       ~ 37 0
129 WVFSCC J142047+083724 G 14 20 44.531 +08 37 35.88           ~ 8 0
130 NGC 5577 GiP 14 21 13.110 +03 26 08.76   13.05       ~ 108 1
131 UGC 9215 EmG 14 23 27.1704739604 +01 43 34.400136631   13.16   12.555 13.0 ~ 90 1
132 UGC 9225 G 14 24 24.616 +08 16 39.48   15.4       ~ 16 0
133 UGC 9249 G 14 26 59.776 +08 41 01.02   15.1       ~ 37 0
134 UGC 9299 GiG 14 29 34.5937349177 -00 01 05.670462289   13.8   14.0 14.0 ~ 74 0
135 NGC 5645 GiG 14 30 39.3603340120 +07 16 30.308532878   12.8       ~ 107 0
136 IC 1024 GiG 14 31 27.221 +03 00 32.78   13.87       ~ 101 1
137 NGC 5669 H2G 14 32 43.476 +09 53 25.47   13.2       ~ 163 0
138 NGC 5668 G 14 33 24.3422441832 +04 27 01.635936336   12.7       ~ 195 0
139 UGC 9385 G 14 35 22.784 +05 16 35.61   17       ~ 30 0
140 UGC 9432 GiG 14 39 04.536 +02 56 58.96   14.60       ~ 22 1
141 NGC 5701 GiG 14 39 11.0762411300 +05 21 48.498854025 12.03 11.76 10.88     ~ 221 1
142 NGC 5740 GiP 14 44 24.423 +01 40 46.89   12.5   12.5 12.0 ~ 145 0
143 HIPASS J1452+03 HI 14 52 40.3 +03 15 55           ~ 3 0
144 NGC 5774 GiP 14 53 42.755 +03 34 56.07   13.9 12.94     ~ 138 1
145 NGC 5806 AGN 15 00 00.432 +01 53 28.56   12.40 11.70 10.94 11.6 ~ 237 1
146 SDSS J150103.32+081936.5 G 15 01 03.320 +08 19 36.53           ~ 1 0
147 HIPASS J1515+05 HI 15 15 18.5 +05 50 20           ~ 3 0
148 NGC 5921 G 15 21 56.561 +05 04 13.94   12.7       ~ 253 0
149 2MASS J15244443+0433020 G 15 24 44.4912198315 +04 33 02.408642032           M0V 3 0
150 SDSS J152445.97+043532.5 G 15 24 45.977 +04 35 32.52           ~ 3 0
151 NGC 5964 EmG 15 37 36.2079075769 +05 58 26.341551620   12.45 11.82 11.48 10.89 ~ 111 0
152 UGC 10023 G 15 46 09.7256686163 +06 53 54.512699833   15.2       ~ 25 0
153 LEDA 57120 G 16 06 02.185 +08 30 24.34   15.6       ~ 12 0
154 IC 1197 G 16 08 17.292 +07 32 18.79   14.7       ~ 56 0
155 UGC 10229 G 16 09 43.960 -00 06 54.48   15.7   15.9 17.0 ~ 19 0
156 NGC 6106 G 16 18 47.1709824534 +07 24 38.965228236   13.4       ~ 95 0
157 LEDA 57818 G 16 19 18.1 +01 42 12   15.1   15.2 15.0 ~ 9 0
158 UGC 10475 G 16 37 53.610 +07 33 45.10   15.7       ~ 16 0
159 LEDA 2801031 G 16 56 38.5 +07 59 55           ~ 9 0
160 NAME Local Group GrG ~ ~           ~ 6970 0

    Equat.    Gal    SGal    Ecl

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2020.07.04-15:31:56

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