2008ApJ...673..193W

Query : 2008ApJ...673..193W

2008ApJ...673..193W - Astrophys. J., 673, 193-202 (2008/January-3)

Elemental abundances of blue compact dwarfs from mid-infrared spectroscopy with Spitzer.

WU Y., BERNARD-SALAS J., CHARMANDARIS V., LEBOUTEILLER V., HAO L., BRANDL B.R. and HOUCK J.R.

Abstract (from CDS):

We present a study of elemental abundances in a sample of 13 blue compact dwarf (BCD) galaxies, using the ∼10-37 µm high-resolution spectra obtained with Spitzer IRS. We derive the abundances of neon and sulfur for our sample using the infrared fine-structure lines probing regions which may be obscured by dust in the optical and compare our results with similar infrared studies of starburst galaxies from ISO. We find a good correlation between the neon and sulfur abundances, although sulfur is underabundant relative to neon with respect to the solar value. A comparison of the elemental abundances (neon and sulfur) measured from the infrared data with those derived from the optical (neon, sulfur, and oxygen) studies reveals a good overall agreement for sulfur, while the infrared-derived neon abundances are slightly higher than the optical values. This indicates either that the metallicities of dust-enshrouded regions in BCDs are similar to the optically accessible regions, or that if they are different they do not contribute substantially to the total infrared emission of the host galaxy.

Abstract Copyright: ∼

Journal keyword(s): ISM: Dust, Extinction - Galaxies: Starburst - Nuclear Reactions, Nucleosynthesis, Abundances

Simbad objects: 27

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Number of rows : 27
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 ESO 350-38 Sy2 00 36 52.489 -33 33 17.23   14.31 14.41 13.49   ~ 450 0
2 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
3 NGC 1140 AGN 02 54 33.5271666624 -10 01 43.142143908 12.41 12.84 12.49 13.6 13.5 ~ 303 1
4 SBSG 0335-052B G 03 37 44.04 -05 02 40.2   16.77 16.65   16.79 ~ 220 1
5 SBSG 0335-052 AGN 03 37 44.06 -05 02 40.2     16.65     ~ 500 1
6 NGC 1569 rG 04 30 49.186 +64 50 52.52 11.72 11.86 11.03     ~ 1297 3
7 M 42 HII 05 35 16.8 -05 23 15           ~ 4411 0
8 RMC 136 Cl* 05 38 42.396 -69 06 03.36   5.81 5.40     ~ 2236 2
9 UGCA 116 AGN 05 55 42.645 +03 23 32.23 10.74 11.68 11.46   11.82 ~ 561 0
10 NGC 2537 H2G 08 13 14.643 +45 59 23.25 12.18 12.50 11.69 11.66   ~ 314 2
11 Mrk 116 AGN 09 34 02.1 +55 14 25           ~ 1179 1
12 Z 351-62 bCG 11 27 59.90 +78 59 39.0   14.50       ~ 346 1
13 Mrk 1450 AGN 11 38 35.6552554896 +57 52 26.636623644   15.5       ~ 130 1
14 LEDA 37102 Sy1 11 51 33.3537570144 -02 22 21.893502576   17       ~ 179 0
15 SBSG 1210+537 AG? 12 12 55.8714787848 +53 27 37.648427688   16.5       ~ 19 0
16 LEDA 39402 AGN 12 17 17.093 -28 02 32.67   17       ~ 143 0
17 ESO 380-27 AGN 12 25 46.95 -36 14 00.7   17.47   16.52   ~ 104 1
18 NAME CVn I dwA GiC 12 38 40.06 +32 46 00.5 16.91 16.66 16.73 16.62   ~ 242 0
19 LEDA 45469 H2G 13 07 37.4 -35 38 36   17       ~ 30 0
20 LEDA 46982 AGN 13 25 48.66 -11 36 37.8   17.93 17.43     ~ 98 0
21 M 83 SBG 13 37 00.91920 -29 51 56.7400 8.85 8.11 7.52 7.21   ~ 2778 2
22 LEDA 84327 AGN 14 52 05.7417129888 +38 10 59.219527908           ~ 25 0
23 NAME CG 1457+42 AGN 14 59 20.5652224656 +42 16 10.351225236   16.51 15.94     ~ 27 0
24 UGC 9883 AGN 15 31 21.284 +47 01 24.43   16.0       ~ 26 0
25 Z 276-29 AGN 16 35 20.996 +52 12 52.20   15.6       ~ 61 0
26 * ksi Dra PM* 17 53 31.7295427958 +56 52 21.510944948 6.14 4.93 3.75 2.92 2.33 K2III 285 0
27 NAME Kinman Dwarf bCG 22 30 36.7959714600 -00 06 36.924915456 16.85 17.35 16.87   16.65 ~ 67 2

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