2002A&A...393..809M

Query : 2002A&A...393..809M

2002A&A...393..809M - Astronomy and Astrophysics, volume 393809-819 (2002/10-3)

Evidence for chemical evolution in the spectra of high redshift galaxies.

MEHLERT D., NOLL S., APPENZELLER I., SAGLIA R.P., BENDER R., BOEHM A., DRORY N., FRICKE K., GABASCH A., HEIDT J., HOPP U., JAEGER K., MOELLENHOFF C., SEITZ S., STAHL O. and ZIEGLER B.

Abstract (from CDS):

Using a sample of 57 VLT FORS spectra in the redshift range 1.37<z<3.40 (selected mainly from the FORS Deep Field survey) and a comparison sample with 36 IUE spectra of local (z≃0) starburst galaxies we derive CIV and SiIV equivalent width values and estimate metallicities of starburst galaxies as a function of redshift. Assuming that a calibration of the CIV equivalent widths in terms of the metallicity based on the local sample of starburst galaxies is applicable to high-z objects, we find a significant increase of the average metallicities from about 0.16Z☉ at the cosmic epoch corresponding to z≃3.2 to about 0.42Z☉ at z≃2.3. A significant further increase in metallicity during later epochs cannot be detected in our data. Compared to the local starburst galaxies our high-redshift objects tend to be overluminous for a fixed metallicity. Our observational results are in good agreement with published observational data by other authors and with theoretical predictions of the cosmic chemical evolution.

Abstract Copyright: ∼

Journal keyword(s): galaxies: starburst - galaxies: evolution - galaxies: formation - galaxies: stellar content - galaxies: fundamental parameters

CDS comments: Table 1: ESO657-A, C, J, Core = [MSS2001] A, C, J, Core, HDFS-047 = [CAA2000] EIS 47, AXAF-028 = [CAA2000] EIS U28.

Simbad objects: 60

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Number of rows : 60
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 FDF 1208 G 01 05 51.87 -25 48 03.5   25.06   24.01   ~ 5 0
2 FDF 1331 G 01 05 52.38 -25 47 29.0   26.81       ~ 2 0
3 FDF 1555 G 01 05 53.26 -25 45 20.8   26.04       ~ 3 0
4 FDF 1578 G 01 05 53.32 -25 44 15.6   25.87       ~ 3 0
5 FDF 1691 G 01 05 53.71 -25 45 28.7   25.09   24.16   ~ 5 0
6 FDF 1709 G 01 05 53.77 -25 47 40.8   24.76       ~ 3 0
7 FDF 1744 G 01 05 53.90 -25 46 06.3   25.53   24.35   ~ 5 0
8 FDF 1922 G 01 05 54.58 -25 47 00.1   23.92   23.53   ~ 4 0
9 FDF 2033 G 01 05 55.00 -25 48 18.7   25.04       ~ 3 0
10 FDF 2274 G 01 05 55.89 -25 44 34.1   24.28   23.57   ~ 5 0
11 FDF 2418 G 01 05 56.44 -25 45 12.1   24.43   23.38   ~ 5 0
12 FDF 2495 G 01 05 56.75 -25 43 43.9   24.62   23.59   ~ 5 0
13 FDF 2636 G 01 05 57.31 -25 44 02.2   24.85   23.79   ~ 5 0
14 FDF 3005 G 01 05 58.61 -25 48 14.1   24.71   23.79   ~ 5 0
15 FDF 3163 G 01 05 59.17 -25 45 38.1   24.79   23.55   ~ 5 0
16 FDF 3173 G 01 05 59.19 -25 46 25.8   26.10       ~ 5 0
17 FDF 3300 G 01 05 59.64 -25 46 29.9   24.87   24.09   ~ 5 0
18 FDF 3374 G 01 05 59.88 -25 45 10.7   24.30   23.57   ~ 5 0
19 FDF 3810 G 01 06 01.32 -25 45 27.9   24.11   22.95   ~ 7 0
20 FDF 3875 G 01 06 01.51 -25 47 33.6   25.02   24.64   ~ 5 0
21 FDF 3874 G 01 06 01.51 -25 45 46.4   24.59   23.54   ~ 5 0
22 FDF 3958 G 01 06 01.84 -25 44 28.8   24.63   23.99   ~ 5 0
23 FDF 3999 G 01 06 01.99 -25 47 53.6   26.87       ~ 3 0
24 FDF 4049 G 01 06 02.15 -25 47 17.5   24.28   23.51   ~ 4 0
25 FDF 4795 G 01 06 04.81 -25 47 13.9   24.35   23.66   ~ 5 0
26 FDF 4871 G 01 06 05.06 -25 46 03.5   24.90   23.53   ~ 5 0
27 FDF 4996 G 01 06 05.50 -25 46 27.8   24.40   23.45   ~ 5 0
28 FDF 5058 G 01 06 05.72 -25 46 26.3   24.09   23.48   ~ 5 0
29 FDF 5072 G 01 06 05.76 -25 45 18.8   23.49   22.88   ~ 4 0
30 FDF 5135 G 01 06 05.97 -25 44 43.8       23.89   ~ 5 0
31 FDF 5152 G 01 06 06.01 -25 45 40.4   23.51   22.89   ~ 4 0
32 FDF 5165 G 01 06 06.06 -25 44 43.4   24.16   23.53   ~ 5 0
33 FDF 5190 G 01 06 06.15 -25 44 43.2   25.39   24.66   ~ 5 0
34 FDF 5215 G 01 06 06.25 -25 45 04.1   25.53       ~ 9 0
35 FDF 5227 G 01 06 06.29 -25 43 51.8   24.91   24.09   ~ 5 0
36 FDF 5504 G 01 06 07.33 -25 46 59.0           ~ 3 0
37 FDF 5550 G 01 06 07.51 -25 47 00.4   25.47       ~ 7 0
38 FDF 5903 G 01 06 08.79 -25 44 54.5   23.89       ~ 6 0
39 FDF 6024 G 01 06 09.23 -25 48 14.1   22.70   22.27   ~ 6 0
40 FDF 6063 G 01 06 09.36 -25 48 07.4   24.57       ~ 5 0
41 FDF 6069 G 01 06 09.39 -25 44 45.4   25.29       ~ 3 0
42 FDF 6287 G 01 06 10.13 -25 44 24.0   25.87       ~ 3 0
43 FDF 6372 G 01 06 10.45 -25 48 29.0   24.49   23.55   ~ 5 0
44 FDF 6407 G 01 06 10.57 -25 45 31.7   25.02   23.95   ~ 5 0
45 FDF 6864 G 01 06 12.19 -25 43 56.2   24.08   23.61   ~ 4 0
46 FDF 6934 G 01 06 12.36 -25 44 56.8   24.14   23.08   ~ 7 0
47 FDF 7029 G 01 06 12.67 -25 45 58.3   24.80   23.86   ~ 5 0
48 FDF 7307 G 01 06 13.60 -25 47 25.1   25.00   24.28   ~ 5 0
49 FDF 7342 G 01 06 13.70 -25 46 13.2   24.99   24.07   ~ 5 0
50 FDF 7539 G 01 06 14.43 -25 47 08.4   25.48       ~ 8 0
51 GOODS-MUSIC 14518 G 03 32 03.491 -27 43 40.51   25.76 24.79 24.493 24.382 ~ 12 0
52 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
53 ClG 0657-56 ClG 06 58 26.9 -55 58 21           ~ 1077 1
54 NAME MS 1512-cB58 AGN 15 14 22.2751 +36 36 25.674     20.64   20.35 ~ 326 0
55 FIRST J151422.4+363620 rG 15 14 22.482 +36 36 21.08           ~ 146 1
56 [CDD2000] HDFS J223249.43-603224.6 G 22 32 49.43 -60 32 24.6           ~ 3 0
57 [MSS2001] C G ~ ~           ~ 2 0
58 [MSS2001] A G ~ ~           ~ 3 0
59 [MSS2001] J G ~ ~           ~ 2 0
60 [MSS2001] Core LeI ~ ~           ~ 3 1

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