2007AJ....134.1046H


C.D.S. - SIMBAD4 rel 1.7 - 2021.06.21CEST05:44:32

2007AJ....134.1046H - Astron. J., 134, 1046-1060 (2007/September-0)

Diffuse H I disks in isolated galaxies.

HOGG D.E., ROBERTS M.S., HAYNES M.P. and MADDALENA R.J.

Abstract (from CDS):

In order to investigate the contribution of diffuse components to their total H I emission, we have obtained high-precision H I line flux densities with the 100 m Green Bank Telescope for a sample of 100 isolated spiral and irregular galaxies which we have previously observed with the 43 m telescope. A comparison of the observed H I line fluxes obtained with the two different telescopes, characterized by half-power beam widths of 9' and 21', respectively, exploits a ``beam-matching'' technique to yield a statistical determination of the occurrence of diffuse H I components in their disks. A simple model of the H I distribution within a galaxy well describes ∼75% of the sample and accounts for all of the H I line flux density. The remaining galaxies are approximately evenly divided into two categories: those which appear to possess a significantly more extensive H I distribution than the model predicts, and those for which the H I distribution is more centrally concentrated than predicted. Examples of both extremes can be found in the literature, but little attention has been paid to the centrally concentrated H I systems. Our sample has demonstrated that galaxies do not commonly possess extended regions of low surface brightness H I gas which is not accounted for by our current understanding of the structure of H I disks. Eight H I-rich companions to the target objects are identified, and a set of extragalactic H I line flux density calibrators is presented.

Abstract Copyright:

Journal keyword(s): Galaxies: ISM - Galaxies: Spiral - Radio Lines: Galaxies

Simbad objects: 103

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Number of rows : 103

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 NGC 100 LSB 00 24 02.837 +16 29 11.00   14.6       ~ 115 0
2 UGC 891 G 01 21 19.09 +12 24 42.2 15.36 14.82 14.36 12.87   ~ 93 0
3 NGC 514 H2G 01 24 03.8960318002 +12 55 02.847643893   12.24 11.65     ~ 108 1
4 UGC 1378 G 01 56 19.240 +73 16 58.05   14.8       ~ 37 0
5 NGC 864 H2G 02 15 27.641 +06 00 09.43   12.00       ~ 209 1
6 NGC 894 G 02 21 36.470 -05 31 17.02 12.21 12.26 11.73     ~ 133 2
7 NGC 1012 G 02 39 14.963 +30 09 06.01   13.1       ~ 83 1
8 UGC 2259 GiP 02 47 55.4157051190 +37 32 18.543987900   14.3   12.8   ~ 120 0
9 UGC 2302 G 02 49 08.76 +02 07 37.3   15.3       ~ 52 0
10 NGC 1140 EmG 02 54 33.5258827369 -10 01 43.135585379 12.41 12.84 12.49 13.6 13.5 ~ 268 1
11 NGC 1156 rG 02 59 42.8526900556 +25 14 28.350265697 12.13 12.32 11.74     ~ 285 1
12 UGC 2463 GiC 03 00 37.4508295566 +40 15 04.448752183   15.0       ~ 24 0
13 MCG-02-09-019 G 03 15 46.176 -12 01 27.59   14.6   13.65 14.0 ~ 29 0
14 ESO 357-12 GiC 03 16 53.5 -35 32 29   13.78   12.68 13.2 ~ 63 0
15 UGCA 71 GiP 03 25 24.914 -16 13 59.49   14.65   14.0 13.7 ~ 52 0
16 NGC 1507 H2G 04 04 27.36 -02 11 10.1   12.8 12.36 13.0 12.9 ~ 123 0
17 MCG-03-11-019 G 04 16 12.545 -16 45 02.41   14.41   14.2 14.2 ~ 36 0
18 NGC 1637 AGN 04 41 28.229 -02 51 28.94   11.4   11.0 11.3 ~ 384 0
19 UGC 3137 G 04 46 16.976 +76 25 08.04   15.5       ~ 67 0
20 MCG-03-14-017 LSB 05 28 14.1004881411 -16 07 28.291959196   12.7   12.12 13.1 ~ 27 0
21 UGC 3384 G 06 01 37.35 +73 07 00.0   16.0       ~ 27 0
22 UGC 3574 GiP 06 53 10.3946512552 +57 10 40.160074462   13.9       ~ 56 0
23 UGC 3587 G 06 53 54.8633041842 +19 17 59.122463306   14.3       ~ 36 0
24 UGC 3647 G 07 04 50.94 +56 31 13.8   16.0       ~ 34 0
25 UGC 3826 G 07 24 27.898 +61 41 38.16   13.20 12.70 12.25 11.99 ~ 40 0
26 UGC 3974 G 07 41 56.3061361330 +16 48 07.439323443   15.4       ~ 209 0
27 NGC 2460 AGN 07 56 52.3308295806 +60 20 57.726560389   12.5       ~ 121 0
28 NGC 2500 LSB 08 01 53.1733310496 +50 44 13.606564536 11.98 12.20 11.62 11.34 10.85 ~ 176 1
29 UGC 4173 G 08 07 10.05 +80 07 36.5   15.7       ~ 50 0
30 NGC 2541 GiG 08 14 40.1104536348 +49 03 42.058472450 12.03 12.26 11.80     ~ 285 1
31 NGC 2552 G 08 19 20.5356353357 +50 00 34.586263623 13.44 13.00 12.56     ~ 235 1
32 UGC 4393 EmG 08 26 04.3871074644 +45 58 03.351388460   13.35       ~ 91 1
33 UGC 4543 G 08 43 21.8472265854 +45 44 09.598165993   15.1       ~ 55 0
34 NGC 2654 SyG 08 49 11.873 +60 13 16.03   12.80       ~ 131 0
35 NGC 2683 AGN 08 52 41.345 +33 25 18.48 11.57 10.68 9.79 9.38   ~ 397 1
36 NGC 2915 G 09 26 11.532 -76 37 34.75 13.13 12.93 12.68 11.90 12.8 ~ 307 2
37 NGC 2905 H2G 09 32 10.111 +21 30 02.99 10.44 9.75 9.07 8.68   ~ 1021 3
38 Mrk 116 PaG 09 34 02.1 +55 14 25           ~ 1025 1
39 UGCA 193 GiG 10 02 35.9 -06 00 49 15.70 15.16 14.74 14.55 14.3 ~ 65 0
40 NGC 3104 IG 10 03 57.185 +40 45 41.43   14.2       ~ 109 0
41 NAME Sex A H2G 10 11 00.5 -04 41 30 12.48 12.13 11.93 11.78   ~ 672 2
42 UGC 5662 LSB 10 27 01.146 +28 38 21.84   15.4       ~ 77 0
43 NGC 3310 AGN 10 38 45.857 +53 30 11.89   12.45 12.15     ~ 746 1
44 NGC 3319 SyG 10 39 09.533 +41 41 12.74   11.48 11.07     ~ 286 1
45 NAME Spider G 10 42 42.787 +34 26 57.39   13.31 13.09 12.84 12.85 ~ 130 0
46 NGC 3365 GiG 10 46 12.649 +01 48 47.95   13.0   13.0 12.9 ~ 91 0
47 NGC 3359 EmG 10 46 36.845 +63 13 25.10 10.83 11.03 10.57     ~ 350 1
48 UGC 6161 G 11 06 49.194 +43 43 23.73   14.4       ~ 45 0
49 NGC 3596 H2G 11 15 06.2072163849 +14 47 13.281853556   12.01 11.49 10.99 10.45 ~ 179 0
50 NGC 3666 GiG 11 24 26.0680899977 +11 20 31.404955634   12.5       ~ 127 0
51 NGC 3675 GiG 11 26 08.584 +43 35 09.30   11.04   9.57   ~ 269 1
52 NGC 3705 GiG 11 30 07.456 +09 16 35.87 12.00 11.86 11.07     ~ 157 1
53 NGC 3741 G 11 36 05.754 +45 17 02.96 15.01 14.55 14.23 14.06   ~ 198 0
54 NGC 3810 GiG 11 40 58.75368 +11 28 16.0824   11.4       M0e 317 1
55 NGC 3887 G 11 47 04.563 -16 51 16.71   11.4   10.37 10.9 ~ 135 0
56 UGC 6817 G 11 50 52.984 +38 52 50.92   13.72 13.9 13.39   ~ 155 0
57 NGC 3930 GiG 11 51 46.025 +38 00 54.48   13.5       ~ 75 0
58 UGC 6955 GiG 11 58 29.804 +38 04 34.80   15.2       ~ 73 0
59 NGC 4013 GiG 11 58 31.417 +43 56 49.28   12.4       ~ 382 1
60 NGC 4068 G 12 04 03.265 +52 35 26.05   13.29   12.77   ~ 154 0
61 UGC 7321 EmG 12 17 34.021 +22 32 23.35   14.07   13.21   ~ 233 0
62 NGC 4395 Sy2 12 25 48.8639154223 +33 32 48.694684028 10.84 10.54 10.11 9.98   ~ 1030 1
63 NGC 4449 EmG 12 28 11.118 +44 05 36.81 10.11 9.98 9.64 9.45   ~ 1041 1
64 UGC 7698 GiC 12 32 54.5 +31 32 30   13.50   13.03   ~ 145 0
65 NGC 4534 EmG 12 34 05.412 +35 31 06.07   13.20       ~ 96 0
66 NGC 4713 GiG 12 49 57.8808487310 +05 18 40.927534284   12.3       ~ 278 0
67 UGC 8024 GiC 12 54 05.248 +27 08 58.67 14.37 14.23 13.95 13.84   ~ 551 1
68 UGCA 322 EmG 13 04 31.194 -03 34 20.68   14.30   15.916   ~ 71 0
69 NGC 5204 LSB 13 29 36.508 +58 25 07.43   11.84   11.37   ~ 429 0
70 UGC 8651 G 13 39 53.75 +40 44 25.3 15.37 14.56 14.20 14.10   ~ 139 0
71 MCG-01-35-010 LSB 13 45 38.0569915290 -05 59 04.145647213   13.8   13.657 13.7 ~ 27 0
72 NGC 5324 GiG 13 52 05.889 -06 03 29.99   12.5   11.62 12.3 ~ 55 0
73 UGC 8839 G 13 55 24.954 +17 47 41.83   16.04   15.21   ~ 44 0
74 UGC 9211 G 14 22 32.1695540157 +45 23 01.929995337   15.7       ~ 73 0
75 UGC 9240 G 14 24 43.0755108543 +44 31 31.754423687 14.24 13.54 13.17 13.07   ~ 184 0
76 NGC 5645 GiG 14 30 39.3603340120 +07 16 30.308532878   12.8       ~ 113 0
77 NGC 5701 GiG 14 39 11.0762411300 +05 21 48.498854025 12.03 11.76 10.88     ~ 226 1
78 NGC 5832 G 14 57 45.90 +71 40 53.5 13.43 12.80 12.26 11.96   ~ 105 1
79 NGC 5885 EmG 15 15 04.1534752216 -10 05 09.675223786   11.7   16.84 11.9 ~ 65 0
80 NGC 5964 EmG 15 37 36.2079075769 +05 58 26.341551620   12.45 11.82 11.48 10.89 ~ 114 0
81 UGC 10041 G 15 49 01.548 +05 11 21.77   15.0       ~ 38 0
82 UGC 10288 G 16 14 24.804 -00 12 27.14   13.5   13.4 12.9 ~ 103 0
83 UGC 10310 IG 16 16 17.9040378078 +47 02 43.158504118   14.9       ~ 129 0
84 MCG-02-41-001 G 16 17 15.754 -11 43 54.33   12.7   12.7 12.5 ~ 27 0
85 NGC 6118 EmG 16 21 48.622 -02 17 00.32   13.20   12.0 11.7 ~ 185 0
86 UGC 10445 SBG 16 33 47.1779742024 +28 59 01.514528137   13.30 13.96     ~ 121 1
87 NGC 6207 GiC 16 43 03.750 +36 49 56.73   12.189 11.651 11.240 10.691 ~ 226 0
88 NGC 6239 GiC 16 50 05.028 +42 44 23.44 12.75 12.94 12.45     ~ 76 1
89 NGC 6384 G 17 32 24.302 +07 03 36.97   13.2       ~ 293 0
90 NGC 6643 G 18 19 46.370 +74 34 06.23   11.80       ~ 292 1
91 UGCA 417 G 20 09 21.2 -06 17 10   14.5   14.4 14.2 ~ 22 0
92 NGC 6951 Sy2 20 37 14.1181441937 +66 06 20.078027288   11.64 10.65     ~ 504 2
93 UGC 11651 G 20 57 15.3563277663 +25 57 53.435251916   15.4       ~ 39 0
94 IC 5078 G 21 02 31.2403113193 -16 49 05.380422382   12.8   12.60 12.7 ~ 57 0
95 NGC 7013 G 21 03 33.611 +29 53 50.45   12.9       ~ 130 0
96 UGC 11707 G 21 14 31.75 +26 44 04.5   15.6       ~ 58 0
97 NGC 7051 EmG 21 19 51.3298574241 -08 46 58.746223067   14   12.54   ~ 41 0
98 NGC 7217 LIN 22 07 52.368 +31 21 33.32   12.94 11.92     ~ 468 0
99 UGC 12082 G 22 34 10.90 +32 51 40.7   15.60       ~ 64 0
100 MCG-01-57-016 IG 22 36 35.0 -02 54 24   13.1   13.2 13.2 ~ 51 0
101 NGC 7468 bCG 23 02 59.172 +16 36 16.20   14.0       ~ 155 0
102 NGC 7479 Sy2 23 04 56.668 +12 19 22.36 11.74 11.60 10.85 10.47 9.66 ~ 690 2
103 NGC 7667 H2G 23 24 22.839 -00 06 30.16 13.52 14.47 14.05 13.89 13.58 ~ 69 1

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2021.06.21-05:44:32

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