2007AJ....134..604V

Query : 2007AJ....134..604V

2007AJ....134..604V - Astron. J., 134, 604-616 (2007/August-0)

Chemical properties of star-forming dwarf galaxies.

VADUVESCU O., McCALL M.L. and RICHER M.G.

Abstract (from CDS):

Recent studies of the near-infrared (NIR) properties of dwarf irregular galaxies (dIs) and blue compact dwarfs (BCDs) have provided improved estimates for the NIR luminosity of old stellar populations in these galaxies. These can be used to derive gas fractions, and thereby to evaluate how BCDs have evolved with respect to dIs. Oxygen abundances have been derived for four BCDs in the Virgo Cluster from a run at Gemini-North in 2003. Combining these new abundances with published values, we study the correlations among the metallicity, Ks luminosity, gas mass, baryonic mass, and gas fraction. Within errors, the two types of dwarfs appear to share a common relation between the oxygen abundance and the luminosity in Ks. The correlation between metallicity and the gas fraction is the same for BCDs as for dIs, indicating that BCD evolution has been similar to that of dIs. Since dIs appear to have evolved as isolated systems, the BCD bursts are unlikely to be a consequence of gas infall or merging.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: Abundances - Galaxies: Dwarf - Galaxies: Evolution - Galaxies: Formation - ISM: H II Regions - Infrared: Galaxies - Line: Profiles

Simbad objects: 56

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Number of rows : 56
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 NGC 55 rG 00 14 53.602 -39 11 47.86 8.54 8.58 7.87 7.84   ~ 828 2
2 IC 10 rG 00 20 17.33520 +59 18 13.6480   13.6 9.5     ~ 1185 1
3 NAME Cas 1 G 02 06 07.9 +69 00 36     14.62     ~ 53 0
4 LEDA 166068 G 02 35 35.7 +59 22 44   19.5       ~ 37 0
5 NGC 1569 rG 04 30 49.186 +64 50 52.52 11.72 11.86 11.03     ~ 1297 3
6 UGCA 92 AG? 04 32 03.8366 +63 36 51.243   16.15       ~ 128 0
7 NGC 1560 GiG 04 32 49.087 +71 52 59.20   12.1       ~ 264 0
8 NAME Ori Dwarf Galaxy GiC 05 45 01.6 +05 03 41   18.0       ~ 46 0
9 Z 87-30 G 07 41 56.3059298112 +16 48 07.451632188   15.4       ~ 233 0
10 Z 88-7 G 07 57 01.027 +14 23 47.66   16.0       ~ 161 0
11 UGC 4305 IG 08 19 04.9864630512 +70 43 13.086910452 12.06 11.72 11.39 11.11   ~ 812 2
12 Z 311-8 GiG 08 34 07.20 +66 10 54.0 15.39 15.03 14.70 14.49   ~ 357 2
13 Z 331-51 GiG 08 37 03.00 +69 46 31.0 15.70 15.46 14.98 14.89   ~ 316 0
14 Z 332-49 AG? 09 25 10.9152585432 +68 22 59.167851456 15.94 15.13 14.42 14.09   ~ 50 0
15 NGC 3109 AG? 10 03 06.877 -26 09 34.46 11.10 10.42 10.04 9.91   ~ 825 2
16 Z 333-17 LSB 10 05 30.45024 +70 21 51.4253 15.95 15.56 15.09 14.87   ~ 214 1
17 IC 2574 AG? 10 28 23.6148831408 +68 24 43.440012756 11.70 11.07 10.87 10.74   ~ 703 1
18 Z 333-35 GiG 10 30 35.03 +70 37 07.2 14.81 13.69 13.01 12.73   ~ 140 0
19 Z 290-66 LSB 10 44 23.153 +56 25 17.22   14.80       ~ 33 1
20 Z 313-39 AG? 10 52 41.16 +67 59 18.8   15.6       ~ 27 0
21 Z 351-62 bCG 11 27 59.90 +78 59 39.0   14.50       ~ 346 1
22 Z 242-46 bCG 11 33 29.12 +49 14 17.4 14.69 14.61 14.25 14.17   ~ 242 1
23 NGC 3738 AGN 11 35 48.982 +54 31 24.70   12.12 12.04 11.56   ~ 303 0
24 NGC 3741 AG? 11 36 05.754 +45 17 02.96 15.01 14.55 14.23 14.06   ~ 237 0
25 IC 3028 GiG 12 10 35.7587243880 +11 45 38.948516172   14.9       ~ 73 0
26 NGC 4163 LSB 12 12 09.34 +36 10 08.1 14.33 13.70 13.2 12.98   ~ 238 0
27 NGC 4190 LSB 12 13 44.765 +36 38 02.49 13.88 13.40 13.25 12.86   ~ 224 0
28 Z 41-77 GiP 12 15 18.322 +05 45 40.28   14.9       ~ 95 0
29 NGC 4228 SBG 12 15 39.174 +36 19 36.80 10.63 10.30 9.93 9.74   ~ 1017 1
30 IC 3094 GiG 12 16 55.9955201904 +13 37 31.451161656   14.1       ~ 88 0
31 Z 42-8 H2G 12 19 09.840 +03 51 23.34   14.5       ~ 168 0
32 RMB 56 AG? 12 19 14.234 +13 52 56.65   15.5       ~ 65 0
33 LEDA 39845 GiC 12 20 40.2711363504 +13 53 22.758646344   17.5       ~ 56 0
34 Z 99-22 bCG 12 21 11.2540900032 +17 38 19.505228028   14.9       ~ 78 0
35 Z 42-67 AG? 12 23 28.6553682552 +05 48 58.423175856   15.7       ~ 37 0
36 LEDA 40521 bCG 12 25 29.053 +13 29 53.26   18       ~ 38 0
37 Z 42-97 GiG 12 25 52.500 +05 48 36.32   15.2       ~ 86 0
38 Z 244-18 bCG 12 26 15.69 +48 29 38.3   15.3       ~ 364 0
39 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
40 RMB 132 bCG 12 30 48.6089418912 +12 02 42.805457196     16.78   16.44 ~ 102 0
41 IC 3453 H2G 12 31 37.742 +14 51 35.23   15.2       ~ 97 0
42 Z 70-155 H2G 12 32 33.5217697464 +09 10 24.875570172   15.4       ~ 85 0
43 IC 3591 bCG 12 37 02.697 +06 55 33.26   14.6       ~ 137 1
44 BD+25 2534 HS* 12 37 23.5161671712 +25 03 59.867922240 9.117 10.26 10.59 10.642 10.809 sdB1(k) 268 0
45 Z 70-196 GiG 12 37 41.52083 +08 33 30.9308   15.1       ~ 126 0
46 Z 71-33 GiG 12 46 04.442 +08 28 35.11   15.2       ~ 66 0
47 NGC 4789A GiC 12 54 05.248 +27 08 58.67 14.37 14.23 13.95 13.84   ~ 614 1
48 Z 71-87 H2G 12 58 40.1930636208 +14 13 00.739589628 15.24 15.16 14.98 14.81   ~ 475 0
49 MCG+08-24-090 AG? 13 13 22.839 +46 19 21.71   17       ~ 135 1
50 Z 271-48 EmG 13 30 44.8682655624 +54 54 38.522749824 14.72 14.25 13.90 13.75   ~ 218 0
51 NGC 5264 GiG 13 41 36.683 -29 54 47.25 13.86 12.96 12.39 12.14 15.83 ~ 164 1
52 Z 272-13 AG? 13 54 45.602 +53 54 20.06   14.2       ~ 219 0
53 NGC 5408 EmG 14 03 20.907 -41 22 39.75   12.59   11.96 12.2 ~ 368 3
54 Z 133-19 AG? 14 15 57.0834 +23 03 29.871 15.40 14.77 14.41 14.32   ~ 296 0
55 NGC 6822 G 19 44 56.199 -14 47 51.29   18 8.1     ~ 1661 0
56 NAME Local Group GrG ~ ~           ~ 9325 0

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