2009MNRAS.400..743K

Query : 2009MNRAS.400..743K

2009MNRAS.400..743K - Mon. Not. R. Astron. Soc., 400, 743-765 (2009/December-1)

A blind HI survey in the Canes Venatici region.

KOVAC K., OOSTERLOO T.A. and VAN DER HULST J.M.

Abstract (from CDS):

We have carried out a blind Hi survey using the Westerbork Synthesis Radio Telescope to make an inventory of objects with small Hi masses (between 106 and 108M☉) and to constrain the low-mass end of the Hi mass function. The survey has been conducted in a part of the volume containing the nearby Canes Venatici groups of galaxies. The surveyed region covers an area on the sky of about 86 deg2 and a range in velocity from about -450 to about 1330km/s. We find 70 sources in the survey by applying an automated searching algorithm. Two of the detections have not been catalogued previously, but they can be assigned an optical counterpart, based on visual inspection of the second-generation Digital Sky Survey images. Only one of the Hi detections is without an optical counterpart. This object is detected in the vicinity of NGC 4822, and it has been already detected in previous Hi studies. 19 of the objects have been detected for the first time in the 21-cm emission line in this survey. The distribution of the Hi properties of our detections confirms our ability to find low-mass objects. 86 per cent of the detections have profile widths less than 130km/s, and they can be considered dwarf galaxy candidates. The Hi fluxes measured imply that this survey goes about 10 times deeper than any previous blind Hi survey. The Hi mass function and the optical properties of the detected sources will be discussed in future papers.

Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS

Journal keyword(s): methods: observational - catalogues - surveys - radio lines: galaxies

Nomenclature: Tables 3-4: [KOV2009] NNA (Nos 1-66, 67A-67B, 68-69).

Simbad objects: 90

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Number of rows : 90
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 NAME Magellanic Stream HVC 00 32 -30.0           ~ 1079 1
2 NAME Scl Group GrG 01 00 06 -33 44.2           ~ 526 0
3 HVC 130+01-161 HVC 01 55.9 +60 38           ~ 53 0
4 NAME HVC Complex A HVC 08 36 +64.4           ~ 138 0
5 WV 225 HVC 09 20.2 -16 03           ~ 23 0
6 NAME M 81-82 Group GrG 09 55 +69.1           ~ 758 0
7 Z 243-58 GiC 12 16 42.081 +46 04 43.56   15.49       ~ 67 1
8 MCG+08-22-095 LSB 12 17 28.5603051288 +44 48 40.519415952   16.5       ~ 24 0
9 NGC 4244 GiG 12 17 29.659 +37 48 25.60   10.71   9.99   ~ 582 1
10 NGC 4242 GiG 12 17 30.1835103480 +45 37 09.508940220   11.37 10.83     ~ 285 1
11 [KGH2007] 6 G 12 17 51 +14 46.5           ~ 56 0
12 M 99 H2G 12 18 49.625 +14 24 59.36 10.45 10.44 9.87     ~ 1004 2
13 LEDA 86374 G 12 19 00.276 +35 05 36.77   17.5       ~ 10 0
14 LEDA 166128 LSB 12 19 32.7 +43 23 13           ~ 16 0
15 MCG+08-23-004 AG? 12 20 16.243 +45 54 30.43   16.5       ~ 15 0
16 SDSS J122025.78+331431.7 AG? 12 20 25.786 +33 14 31.79           ~ 10 0
17 NGC 4288 GiG 12 20 38.119 +46 17 27.67   13.6       ~ 187 0
18 [KOV2009] 61 G 12 20 43.4 +46 12 33           ~ 6 0
19 Z 215-63 AG? 12 20 54.4075976808 +38 25 47.239577544   15.4       ~ 20 0
20 Z 244-7 GiG 12 21 15.01 +45 48 40.8   14.8       ~ 123 2
21 LEDA 166132 AG? 12 21 43.350 +37 59 10.27           ~ 17 0
22 MCG+06-27-049 AG? 12 21 54.858 +35 03 00.37   16.5       ~ 30 0
23 Z 158-90 GiG 12 22 02.612 +32 05 45.42   14.3       ~ 44 0
24 LEDA 166135 G 12 22 52.491 +33 49 45.87           ~ 26 0
25 LEDA 2832113 G 12 24 08.141 +37 59 38.39           ~ 7 0
26 NGC 4359 GiG 12 24 11.060 +31 31 17.78   13.9       ~ 122 0
27 NGC 4369 AGN 12 24 36.204 +39 22 58.73   12.3       ~ 210 1
28 NGC 4389 GiG 12 25 35.098 +45 41 04.81   12.64   11.46   ~ 157 0
29 NGC 4395 Sy2 12 25 48.8633109888 +33 32 48.700168152 10.84 10.54 10.11 9.98   ~ 1286 1
30 NAME CVn II Group GrG 12 26 +44.2           ~ 23 0
31 Z 187-44 GiP 12 27 05.566 +37 08 30.39   14.19   13.55   ~ 217 0
32 Z 216-4 GiG 12 27 40.90 +43 29 44.0 13.75 13.10 12.7 12.33   ~ 270 0
33 NGC 4449 EmG 12 28 11.118 +44 05 36.81 10.11 9.98 9.64 9.45   ~ 1192 1
34 Z 187-46 GiP 12 28 28.084 +37 14 05.36   15.6       ~ 105 0
35 Z 187-47 GiG 12 28 38.743 +35 43 02.91 15.50 15.12 14.86 14.78   ~ 130 1
36 MCG+07-26-010 EmG 12 28 44.078 +43 13 25.79   16.0       ~ 106 0
37 NGC 4460 H2G 12 28 45.557 +44 51 51.25   12.5       ~ 147 0
38 MCG+07-26-011 AG? 12 28 52.298 +42 10 40.09   15       ~ 43 0
39 MCG+07-26-012 AG? 12 30 23.574 +42 54 05.76   15       ~ 40 0
40 NGC 4485 GiP 12 30 31.113 +41 42 04.22 12.10 12.42 11.93 11.93   ~ 305 2
41 NGC 4490 GiG 12 30 34.5 +41 38 26 10.03 10.22 9.79     ~ 616 3
42 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
43 LEDA 4015941 G 12 31 09.094 +42 05 33.91           ~ 16 0
44 Z 216-9 LSB 12 32 00.403 +39 49 54.21   13.9       ~ 58 0
45 NGP9 F268-0416511 G 12 32 26.192 +36 54 55.55           ~ 3 0
46 Z 216-10 LSB 12 32 26.893 +42 42 14.84   13.7       ~ 130 0
47 MCG+06-28-007 AG? 12 32 35.975 +33 13 24.73   16       ~ 14 0
48 Z 188-7 LSB 12 32 48.003 +37 37 18.49   13.40       ~ 124 0
49 NAME CVn I Group GrG 12 32 48.3 +33 57 07           ~ 149 0
50 Z 159-13 GiC 12 32 54.5 +31 32 30   13.50   13.03   ~ 180 0
51 NGC 4509 GiG 12 33 06.500 +32 05 27.35   14.1       ~ 93 0
52 LEDA 2832115 LSB 12 33 06.700 +38 07 00.11           ~ 17 0
53 LEDA 41686 AG? 12 33 15.173 +35 44 01.87   18       ~ 11 0
54 [KOV2009] 40 HI 12 33 24.3 +40 44 51           ~ 3 0
55 MCG+06-28-009 AG? 12 33 24.88469 +33 21 04.5250   16       ~ 29 0
56 MCG+07-26-024 AG? 12 33 52.734 +39 37 33.31   15       ~ 21 0
57 Z 216-11 GiG 12 34 00.54952 +39 01 09.3052   15.4       ~ 65 0
58 NGC 4534 EmG 12 34 05.412 +35 31 06.07   13.20       ~ 117 0
59 MCG+07-26-029 LSB 12 35 11.596 +41 03 34.69   16.5       ~ 36 0
60 Z 216-14 LSB 12 36 22.716 +40 00 18.72   15.2       ~ 95 0
61 LEDA 5057082 G 12 36 49.37 +33 36 47.9           ~ 14 0
62 UGCA 290 IG 12 37 21.7 +38 44 28   17       ~ 75 1
63 NAME CVn I dwA GiC 12 38 40.06 +32 46 00.5 16.91 16.66 16.73 16.62   ~ 242 0
64 MCG+08-23-071 LSB 12 39 39.47040 +44 49 12.3960   17       ~ 29 0
65 LEDA 2832118 G 12 40 02.2 +38 00 02           ~ 14 0
66 LEDA 100706 GiC 12 40 10.09440 +32 39 30.7728           ~ 26 0
67 NGC 4618 GiP 12 41 32.8976471760 +41 09 03.185175528 11.03 11.22 10.78     ~ 344 2
68 CAIRNS J124147.13+325124.9 GiC 12 41 47.300 +32 51 28.54           ~ 23 0
69 NGC 4625 SyG 12 41 52.7121819576 +41 16 26.115765780 12.74 12.92 12.35     ~ 383 2
70 NGC 4631 GiC 12 42 08.009 +32 32 29.44   9.78 9.19 9.10   ~ 1154 3
71 IC 3687 GiG 12 42 15.1540831512 +38 30 05.844632940   15.5       ~ 153 0
72 MCG+06-28-022 GiC 12 43 07.141 +32 29 25.71   15       ~ 23 0
73 [KOV2009] 42 HI 12 43 56.7 +41 27 34           ~ 1 0
74 NGC 4656 GiP 12 43 57.6889089768 +32 10 13.345914504   10.96 10.52     ~ 385 3
75 LEDA 166142 G 12 43 57.791 +43 39 40.36   17       ~ 32 0
76 MCG+06-28-024 GiC 12 44 24.881 +34 23 03.33   15.0       ~ 72 0
77 AGC 229092 G 12 44 25.47 +35 11 48.3           ~ 6 0
78 MCG+06-28-030 GiC 12 47 00.610 +36 28 37.09   17       ~ 86 0
79 LEDA 91228 GiC 12 47 00.647 +32 39 05.75   17.29       ~ 43 0
80 SDSS J124759.96+445851.4 G 12 47 59.961 +44 58 51.48           ~ 2 0
81 ACO 3526 ClG 12 48 49.2 -41 18 17           ~ 1154 2
82 LEDA 4002869 AG? 12 49 31.047 +44 21 33.49           ~ 10 0
83 NGC 4822 EmG 12 57 03.7263741696 -10 45 42.862844520   14   12.88   ~ 22 0
84 ESO 384-16 AG? 13 57 01.37 -35 19 58.7   14.80   14.10 14.81 ~ 62 0
85 NAME HVC Complex C HVC 16 34.8 +63 07           ~ 273 1
86 NAME Gal Center Positive HVC 20 51.2 +01 41           ~ 109 1
87 NAME Cohen Stream HI ~ ~           ~ 23 1
88 NAME Local Group GrG ~ ~           ~ 9325 0
89 NAME Perseus-Pisces Void vid ~ ~           ~ 8 0
90 NAME Her Void vid ~ ~           ~ 15 0

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