2004MNRAS.355..887K

Query : 2004MNRAS.355..887K

2004MNRAS.355..887K - Mon. Not. R. Astron. Soc., 355, 887-898 (2004/December-2)

Oxygen abundances and chemical evolution in low surface brightness galaxies.

KUZIO DE NARAY R., McGAUGH S.S. and DE BLOK W.J.G.

Abstract (from CDS):

We report the oxygen abundances of the Hii regions of a sample of low surface brightness (LSB) galaxies. We provide analytic functions describing McGaugh's calibration of the R23method. We use this and the equivalent width (EW) method to determine oxygen abundances, and also make direct estimates in a few cases where the temperature-sensitive [Oiii]λ4363 line is available. We find LSB galaxies to be metal-poor, consistent with the luminosity-metallicity (L-Z) relation of other galaxies. The large gas mass fractions of these objects provide an interesting test of chemical evolution models. We find no obvious deviation from the closed-box model of galactic chemical evolution. Based on our abundance and gas mass fraction measurements, we infer that LSB galaxies are not fundamentally different from other galaxy types but are perhaps at an early stage of evolution.

Abstract Copyright: 2004 RAS

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

Nomenclature: Figs 2, Tables 2, 3: [DMD2004] FNNN-N N N=3+1, [DMD2004] UGC NNNN N N=5+2+2, [DMD2004] UGC 12695 (N)N N=3+4.

Simbad objects: 18

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Number of rows : 18
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 LEDA 87153 LSB 01 19 47.37 +16 47 24.6   18.00       ~ 20 0
2 MCG+04-05-005 LSB 01 45 32.251 +25 31 17.28   17       ~ 92 0
3 LSB F415-3 LSB 02 32 45 +28 50.3           ~ 10 0
4 AGC 180072 LSB 08 09 32.6 +22 33 34           ~ 49 0
5 LEDA 86665 LSB 08 46 37.90 +18 53 23.7   17.21       ~ 51 0
6 LEDA 86666 LSB 08 53 03.83 +18 26 09.4           ~ 81 0
7 LSB F563-1 LSB 08 55 01.4 +19 45 06           ~ 73 0
8 UGC 5005 LSB 09 24 29.39972 +22 16 29.0213   18       ~ 81 0
9 Z 94-78 AG? 10 31 16.253 +19 22 58.71   15.7       ~ 26 0
10 Malin 2 LIN 10 39 52.4820927048 +20 50 49.375560660   14.20       ~ 104 0
11 MCG+03-28-057 GiC 11 05 56.2923063720 +19 49 34.555257336 14.52 14.80 14.39     ~ 63 1
12 LSB F571-5 LSB 11 30 25.7 +20 35 37           ~ 11 0
13 LEDA 86676 LSB 13 50 10.08448 +18 16 07.6585           ~ 26 0
14 UGC 9024 LSB 14 06 40.543 +22 04 12.18   16.0       ~ 55 0
15 LEDA 66606 LSB 21 20 57.6 +23 24 13   16.3       ~ 10 0
16 LEDA 87199 LSB 22 20 50.6 +12 49 51           ~ 12 0
17 LEDA 87117 LSB 22 57 21.510 +27 58 54.32   17.4       ~ 21 0
18 MCG+02-60-005 LSB 23 36 02.17 +12 52 32.5   17       ~ 27 0

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