2008MNRAS.386.1667B

Query : 2008MNRAS.386.1667B

2008MNRAS.386.1667B - Mon. Not. R. Astron. Soc., 386, 1667-1682 (2008/May-3)

FIGGS: Faint Irregular Galaxies GMRT Survey - overview, observations and first results.

BEGUM A., CHENGALUR J.N., KARACHENTSEV I.D., SHARINA M.E. and KAISIN S.S.

Abstract (from CDS):

The Faint Irregular Galaxies GMRT Survey (FIGGS) is a Giant Metrewave Radio Telescope (GMRT) based HI imaging survey of a systematically selected sample of extremely faint nearby dwarf irregular galaxies. The primary goal of FIGGS is to provide a comprehensive and statistically robust characterization of the neutral interstellar medium properties of faint, gas-rich dwarf galaxies. The FIGGS galaxies represent the extremely low mass end of the dwarf irregular galaxies population, with a median MB∼ -13.0 and median HI mass of ∼3x107M☉, extending the baseline in mass and luminosity space for a comparative study of galaxy properties. The HI data are supplemented with observations at other wavelengths. In addition, distances accurate to ∼10 per cent are available for most of the sample galaxies. This paper gives an introduction to FIGGS, describes the GMRT observations and presents the first results from the HI observations. From the FIGGS data, we confirm the trend of increasing HI to optical diameter ratio with decreasing optical luminosity; the median ratio of DHi/DHo for the FIGGS sample is 2.4. Further, on comparing our data with aperture synthesis surveys of bright spirals, we find at best marginal evidence for a decrease in average surface density with decreasing HI mass. To a good approximation, the discs of gas-rich galaxies, ranging over three orders of magnitude in HI mass, can be described as being drawn from a family with fixed HI average surface density.

Abstract Copyright: © 2008 The Authors. Journal compilation © 2008 RAS

Journal keyword(s): galaxies: dwarf - galaxies: kinematics and dynamics - radio lines: galaxies

Simbad objects: 82

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Number of rows : 82
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 APMUKS (BJ) B003411.16-325055.7 G 00 36 38.0 -32 34 28           ~ 14 0
2 NAME Andromeda IV G 00 42 32.3 +40 34 19           ~ 80 0
3 IC 1574 AG? 00 43 03.82 -22 14 48.8 15.25 14.73 14.35 14.24 14.2 ~ 137 1
4 MCG-04-03-019 G 00 49 49.3 -21 00 58 16.11 15.64 15.36 14.8 15.5 ~ 144 1
5 NAME Scl Group GrG 01 00 06 -33 44.2           ~ 526 0
6 Z 458-20 AG? 01 07 23.0321 +16 41 00.988 15.01 14.55 14.07     ~ 148 0
7 LEDA 2807103 LSB 01 34 51.5 +52 05 30   17.0       ~ 38 0
8 NGC 625 AGN 01 35 04.632 -41 26 10.32 12.37 11.78 11.25 11.03 11.5 ~ 312 2
9 3C 48 QSO 01 37 41.2996631208 +33 09 35.080388820   16.62 16.20     ~ 2924 2
10 LEDA 166062 AG? 01 44 42.3853 +27 17 16.156   17.1       ~ 46 0
11 LEDA 168300 AG? 02 24 34.20 +56 00 43.0   16.2       ~ 31 0
12 LEDA 2807107 G 02 27 26.9 +57 29 17   17.8       ~ 23 0
13 NAME IC 342 Group GrG 03 48 42 +68 00.8           ~ 102 1
14 NAME Camel Galaxy LSB 04 25 16.6 +72 48 24   14.85       ~ 59 0
15 UGCA 92 AG? 04 32 03.8366 +63 36 51.243   16.15       ~ 128 0
16 NAME Cam B G 04 53 07.1 +67 05 57   16.71       ~ 79 0
17 ICRF J054236.1+495107 Sy1 05 42 36.13789710 +49 51 07.2337139   18.45 17.80 17.210   ~ 1573 1
18 LEDA 95594 G 05 59 40.4 +73 25 40   17.1       ~ 46 0
19 MCG-04-16-013 AG? 06 37 57.09 -26 00 03.1   13.71   12.80 12.9 ~ 54 1
20 LEDA 2807061 G 07 00 29.3 -04 12 30           ~ 43 1
21 Z 57-6 AG? 07 13 51.60 +10 31 19.0   14.9       ~ 105 0
22 Z 206-10 AG? 07 28 17.724 +40 46 11.36   15.50       ~ 155 0
23 [KK98a] 073940.2+164047 G 07 42 31.2 +16 33 40   15.6       ~ 52 0
24 Z 88-7 G 07 57 01.027 +14 23 47.66   16.0       ~ 161 0
25 NAME M 81 Dwarf A G 08 23 55.1 +71 01 56   16.5       ~ 209 1
26 Z 311-8 GiG 08 34 07.20 +66 10 54.0 15.39 15.03 14.70 14.49   ~ 357 2
27 LEDA 166095 G 08 52 50.8 +33 47 52   16.8       ~ 28 0
28 UGC 5186 AG? 09 42 58.664 +33 15 56.10   16.5       ~ 52 0
29 UGC 5209 LSB 09 45 04.196 +32 14 16.03   19       ~ 66 0
30 NAME M 81-82 Group GrG 09 55 +69.1           ~ 758 0
31 Z 64-68 AG? 10 07 20.182 +10 21 40.16   13.78   13.24   ~ 125 0
32 LEDA 4689216 GiG 10 21 25.2 +71 06 58           ~ 62 0
33 ESO 215-9 AG? 10 57 29.90 -48 10 43.0   16.03   15.02 15.0 ~ 79 0
34 UGC 6145 LSB 11 05 34.70376 -01 51 51.4584   16.548   16.085   ~ 47 0
35 Z 351-62 bCG 11 27 59.90 +78 59 39.0   14.50       ~ 346 1
36 Z 242-46 bCG 11 33 29.12 +49 14 17.4 14.69 14.61 14.25 14.17   ~ 242 1
37 NGC 3741 AG? 11 36 05.754 +45 17 02.96 15.01 14.55 14.23 14.06   ~ 237 0
38 LEDA 166115 G 11 47 11.965 +43 40 18.79   17.5       ~ 44 1
39 Z 214-32 AG? 11 50 52.98254 +38 52 50.6594   13.72 13.9 13.39   ~ 175 0
40 ESO 379-7 AG? 11 54 43.49 -33 33 36.0   16.60   15.50 15.3 ~ 61 0
41 Z 158-48 AG? 12 13 23.2223740680 +29 55 19.212036384   15.7       ~ 32 0
42 ESO 321-14 AG? 12 13 48.8792 -38 14 00.250 16.32 15.70 15.35 15.20 15.2 ~ 92 0
43 Z 315-26 AG? 12 14 08.40 +66 05 41.0   14.60       ~ 89 1
44 Z 269-49 AG? 12 15 46.626 +52 23 13.91   15.3       ~ 75 0
45 MCG+09-20-137 LSB 12 16 30.415 +52 13 45.40   17       ~ 81 1
46 NAME Coma I Group GrG 12 22 19.4 +29 53 47           ~ 112 0
47 IC 3308 LSB 12 25 18.03576 +26 42 51.6168   15.4       ~ 49 0
48 LEDA 166137 GiC 12 25 28.5 +28 28 56   16.5       ~ 46 1
49 Z 216-4 GiG 12 27 40.90 +43 29 44.0 13.75 13.10 12.7 12.33   ~ 270 0
50 Z 187-47 GiG 12 28 38.743 +35 43 02.91 15.50 15.12 14.86 14.78   ~ 130 1
51 NAME CVn I Group GrG 12 32 48.3 +33 57 07           ~ 149 0
52 NAME CVn I dwA GiC 12 38 40.06 +32 46 00.5 16.91 16.66 16.73 16.62   ~ 242 0
53 NGC 4789A GiC 12 54 05.248 +27 08 58.67 14.37 14.23 13.95 13.84   ~ 614 1
54 UGC 8055 LSB 12 56 04.6621560288 +03 48 46.548862992   17       ~ 51 0
55 Z 71-87 H2G 12 58 40.1930636208 +14 13 00.739589628 15.24 15.16 14.98 14.81   ~ 475 0
56 MCG+08-24-048 AG? 13 08 03.552 +46 49 40.02   17       ~ 79 0
57 MCG+08-24-090 AG? 13 13 22.839 +46 19 21.71   17       ~ 135 1
58 NAME Cen A Group GrG 13 20 33.9 -44 58 51           ~ 274 0
59 LEDA 166163 G 13 21 08.5 -31 31 50   17.4       ~ 59 0
60 LEDA 46885 GiC 13 24 36.23 -30 58 18.5   16.67   17.33   ~ 61 1
61 Z 271-48 EmG 13 30 44.8682655624 +54 54 38.522749824 14.72 14.25 13.90 13.75   ~ 218 0
62 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4558 2
63 ESO 444-78 GiC 13 36 30.7829 -29 14 10.181   15.49   14.81 15.0 ~ 97 0
64 NAME NGC 5236 Group GrG 13 37 06 -29 51.9           ~ 75 0
65 Z 131-18 EmG 13 39 19.348 +24 46 27.77 15.21 14.84 14.46 14.29   ~ 94 0
66 Z 218-34 AG? 13 39 53.75 +40 44 25.3 15.37 14.56 14.20 14.10   ~ 165 0
67 IC 4316 EmG 13 40 18.41 -28 53 32.0   15.02 15.93 14.15   ~ 89 0
68 Z 190-66 AG? 13 50 51.3127548768 +38 01 14.958828876 15.56 14.78   14.33   ~ 161 0
69 MCG+06-31-023 AG? 13 54 48.8114 +35 50 07.775   16.5   15.20   ~ 123 1
70 LEDA 166185 G 14 07 10.1 +35 03 37   16.9 17.2     ~ 94 0
71 Z 133-19 AG? 14 15 57.0834 +23 03 29.871 15.40 14.77 14.41 14.32   ~ 296 0
72 LEDA 51659 G 14 28 03.7 -46 18 06   15       ~ 73 1
73 LEDA 2801026 LSB 16 13 47.504 +54 22 08.25     15.9     ~ 115 0
74 ESO 461-36 G 20 03 57.4 -31 40 53   17.06   16.2 16.1 ~ 73 1
75 UGC 11583 LSB 20 30 15.30 +60 26 25.0   17       ~ 66 0
76 LEDA 166192 LSB 20 30 32.9 +60 21 17   16.49       ~ 61 0
77 MCG-02-53-003 G 20 46 51.7 -12 50 54 15.75 15.18 14.83 14.46   ~ 470 1
78 MCG-05-55-012 G 23 26 27.52 -32 23 19.5 15.34 14.71 14.23 14.03   ~ 163 0
79 LEDA 2807157 GiG 23 45 35.177 +38 43 05.09   16.7 15.2     ~ 93 1
80 NAME NGC 2683 Group GrG ~ ~           ~ 8 0
81 NAME NGC 6946 Group GrG ~ ~           ~ 17 0
82 NAME NGC 672 Group GrG ~ ~           ~ 14 0

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