2005A&A...437..849S

Query : 2005A&A...437..849S

2005A&A...437..849S - Astronomy and Astrophysics, volume 437849-859 (2005/7-3)

Spectroscopic study of blue compact galaxies. V. Oxygen abundance and the metallicity-luminosity relation.

SHI F., KONG X., LI C. and CHENG F.Z.

Abstract (from CDS):

This is the fifth paper in a series studying the stellar components, star formation histories, star formation rates and metallicities of a blue compact galaxy (BCG) sample. Based on our high-quality ground-based spectroscopic observations, we have determined the electron temperatures, electron densities, nitrogen abundances and oxygen abundances for 72 star-forming BCGs in our sample, using different oxygen abundance indicators. The oxygen abundance covers the range 7.15<12+log(O/H)<9.0, and nitrogen is found to be mostly a product of secondary nucleosynthesis for 12+log(O/H)>8.2 and apparently a product of primary nucleosynthesis for 12+log(O/H)<8.2. To assess the possible systematic differences among different oxygen abundance indicators, we have compared oxygen abundances of BCGs obtained with the Te method, R23 method, P method, N2 method and O3N2 method. The oxygen abundances derived from the Te method are systematically lower by 0.1-0.25dex than those derived from the strong line empirical abundance indicators, consistent with previous studies based on HII region samples. We confirm the existence of the metallicity-luminosity relation in BCGs over a large range of abundances and luminosities. Our sample of galaxies shows that the slope of the metallicity-luminosity relation for the luminous galaxies (~-0.05) is slightly shallower than that for the dwarf galaxies (~-0.17). An offset was found in the metallicity-luminosity relation of the local galaxies and that of the intermediate redshift galaxies. It shows that the metallicity-luminosity relation for the emission line galaxies at high redshift is displaced to lower abundances, higher luminosities, or both.

Abstract Copyright: ∼

Journal keyword(s): galaxies: abundances - galaxies: starburst - stars: formation

CDS comments: Table 1: zw 0855 and Zw 2220 not identified (incomplete format), Zw 2335 = Z 2335.2+2952 (found with the cited reference).

Simbad objects: 71

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Number of rows : 71
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 IC 1586 bCG 00 47 56.301 +22 22 22.51   15.0       ~ 77 0
2 MCG-02-03-019 bCG 00 48 35.430 -12 42 59.77   15.5       ~ 109 0
3 Z 460-20 bCG 01 43 56.5740430224 +17 03 43.399098648   14.7       ~ 40 0
4 Z 503-63 bCG 01 57 49.44 +27 51 56.3   15.2       ~ 16 0
5 Z 438-40 bCG 02 11 33.5509130952 +13 55 01.623736812   15.0       ~ 58 0
6 Z 413-63 rG 02 13 45.0971872368 +04 06 08.114018976   14.3       ~ 60 1
7 Z 420-4 AGN 04 49 44.469 +03 20 02.67   15.49 15.04     ~ 77 1
8 VV 790b bCG 05 01 42.056 +03 34 27.84   14.94       ~ 35 0
9 Z 395-12 bCG 05 10 48.1123757064 -02 40 53.685168744   14.0 14.4     ~ 91 1
10 UGCA 116 AGN 05 55 42.645 +03 23 32.23 10.74 11.68 11.46   11.82 ~ 561 0
11 Mrk 5 H2G 06 42 15.53 +75 37 32.6   17.0       ~ 114 0
12 Z 330-37 bCG 07 28 11.459 +72 34 23.18   13.9 14.15     ~ 81 0
13 IC 2184 PaG 07 29 27.015 +72 07 51.48   14.00       ~ 95 1
14 NGC 2415 bCG 07 36 56.6678012232 +35 14 30.555503124   12.5       ~ 134 1
15 Z 118-56 rG 08 03 28.0664075088 +25 06 09.524485260   15.2       ~ 58 0
16 Z 149-56 bCG 08 35 33.05426 +30 32 03.4265   15.0       ~ 46 0
17 Mrk 105 bCG 09 20 26.34 +71 24 16.0   16.0       ~ 27 0
18 Mrk 116 AGN 09 34 02.1 +55 14 25           ~ 1179 1
19 Mrk 402 bCG 09 35 19.17970 +30 24 31.9272   16.0       ~ 32 0
20 Z 152-71 bCG 09 50 10.920 +28 00 47.27   15.3       ~ 54 0
21 Z 153-15 SBG 10 06 18.175 +28 56 41.49   14.64 14.12     ~ 55 0
22 Z 123-30 bCG 10 15 14.6662101432 +21 06 34.049153340   15.75       ~ 19 0
23 Z 266-55 AGN 10 32 31.956 +54 24 03.53 13.29 13.66 13.13 12.71 12.27 ~ 381 1
24 Z 240-63 bCG 10 35 34.8418389096 +44 18 57.364875900   15.4       ~ 33 0
25 NGC 3353 AGN 10 45 22.390 +55 57 37.36 12.90 13.25 12.79     ~ 378 1
26 MCG+04-26-009 bCG 10 48 44.2059904944 +26 03 12.955205448   15.0       ~ 51 0
27 Z 38-42 bCG 10 53 03.845 +04 37 54.24   14.1       ~ 83 0
28 MCG+05-26-046 SBG 11 04 58.298 +29 08 16.54   15.5 15.29     ~ 228 0
29 IC 691 AGN 11 26 44.31576 +59 09 19.5120   14.2       ~ 106 0
30 Z 157-11 bCG 11 40 24.862 +28 22 25.37   15.21       ~ 56 0
31 NGC 4194 rG 12 14 09.615 +54 31 35.93   13.79 13.30     ~ 467 2
32 NGC 4218 GiP 12 15 46.1787155088 +48 07 52.628679084   13.2       ~ 96 0
33 Z 42-8 H2G 12 19 09.840 +03 51 23.34   14.5       ~ 168 0
34 Z 244-18 bCG 12 26 15.69 +48 29 38.3   15.3       ~ 364 0
35 NGC 4500 Sy2 12 31 22.1642532648 +57 57 52.686175392   13.2       ~ 141 1
36 Z 244-27 bCG 12 32 34.76090 +45 46 03.5999   14.5       ~ 40 1
37 UGC 7905 PaG 12 43 46.8 +54 53 59           ~ 25 1
38 Z 159-67 GiG 12 44 38.1431512800 +28 28 20.905837968   14.7       ~ 66 0
39 IC 3730 GiC 12 45 06.560 +21 10 10.48   15.3       ~ 52 0
40 Z 270-22 bCG 12 46 56.426 +51 36 46.80   14.1       ~ 119 0
41 MCG+05-30-081 IG 12 47 08.467 +27 47 35.49   16.0       ~ 28 0
42 MCG+06-28-032 bCG 12 48 41.0103678336 +34 28 39.492152544   15.5       ~ 45 0
43 Z 160-67 AGN 12 58 37.27827 +27 10 35.7420   15.88 14.71 14.50   ~ 129 1
44 Z 189-9 rG 13 00 02.1313424472 +33 26 14.870180040   15       ~ 36 1
45 Mrk 241 bCG 13 06 19.870 +32 58 25.90   16.0       ~ 36 0
46 2MASX J13135774+3518527 bCG 13 13 57.74725 +35 18 52.7514   16.7       ~ 19 0
47 IC 883 SBG 13 20 35.37960 +34 08 21.8400   14.8       ~ 421 1
48 Z 161-84 SBG 13 35 35.658 +29 13 01.55   15.25 14.91     ~ 47 0
49 Z 162-9 bCG 13 48 40.4992262644 +31 27 39.048633805   15.5       ~ 38 0
50 Z 132-65 bCG 13 58 23.800 +25 33 00.13   15.2       ~ 42 0
51 Z 163-71 bCG 14 31 08.987 +27 14 14.25   15.2       ~ 68 0
52 Z 163-86 bCG 14 36 08.833 +28 26 58.98   15.4       ~ 53 0
53 Z 248-17 LIN 14 41 17.095 +44 28 43.47   14.50 13.69     ~ 38 0
54 MCG+05-35-008 bCG 14 43 24.7 +28 18 03           ~ 19 0
55 Z 193-4 H2G 14 50 56.495 +35 34 18.27   14.5 14.83     ~ 212 0
56 Z 193-6 GiP 14 51 14.3956253136 +35 32 32.932212324   14.2       ~ 166 0
57 Z 221-10 bCG 14 54 38.983 +42 01 24.60   14.80       ~ 33 0
58 IC 1090 bCG 15 03 45.7827117744 +42 41 58.682508036   15.1       ~ 26 0
59 UGC 9922 PaG 15 35 53.818 +38 40 30.22   14.4       ~ 31 0
60 NVSS J153554+384029 rG 15 35 53.818 +38 40 30.22           ~ 37 0
61 Z 274-49 bCG 15 37 04.237 +55 15 47.60   15.2       ~ 136 0
62 NGC 6052 rG 16 05 12.8715178104 +20 32 32.607297132 13.01 13.44 13.00     ~ 362 2
63 Z 276-29 AGN 16 35 20.996 +52 12 52.20   15.6       ~ 61 0
64 Z 251-43 bCG 16 48 24.1208837112 +48 42 32.756012676   14.6       ~ 48 0
65 Mrk 893 bCG 17 15 02.1551266392 +60 12 58.714146252   16.5       ~ 27 0
66 ZW I 191 bCG 17 40 24.829 +47 43 58.63   14.8       ~ 14 0
67 NGC 7244 bCG 22 16 26.8526572560 +16 28 17.070020724   15.0       ~ 46 0
68 NGC 7468 bCG 23 02 59.172 +16 36 16.20   14.0       ~ 167 0
69 Z 476-9 GiC 23 20 03.02 +26 12 57.0   15.0       ~ 35 0
70 NGC 7673 EmG 23 27 41.060 +23 35 20.18 12.84 13.17 12.76     ~ 282 2
71 Z 497-42 bCG 23 37 39.543 +30 07 45.93   15.50       ~ 64 0

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