2007ApJ...669..299P

Query : 2007ApJ...669..299P

2007ApJ...669..299P - Astrophys. J., 669, 299-314 (2007/November-1)

The oxygen abundance of nearby galaxies from Sloan Digital Sky Survey spectra.

PILYUGIN L.S. and THUAN T.X.

Abstract (from CDS):

We have derived the oxygen abundance for a sample of nearby galaxies in Data Release 5 of the Sloan Digital Sky Survey (SDSS) that possess at least two independent spectra of one or several H II regions with a detected [O III] λ4363 auroral line. Since, for nearby galaxies, the [O II] λ3727 nebular line is out of the observed wavelength range, we propose a method to derive (O/H)ff abundances using the classic Temethod coupled with the flux-flux (ff) relation. (O/H)7325 abundances have also been determined, based on the [O II] λλ7320, 7330 line intensities and using a small modification of the standard Temethod. The (O/H)ff and (O/H)7325 abundances have been derived with both the one- and two-dimensional t2-t3relations. It was found that the (O/H)ff abundances derived with the parametric two-dimensional t2-t3 relation are the most reliable. Oxygen abundances have been determined in 29 nearby galaxies on the basis of 84 individual abundance determinations in H II regions. Because of our selection methods, the metallicity of our galaxies lies in the narrow range 8.2≲12+log(O/H)≲8.4. The radial distribution of oxygen abundances in the disk of the spiral galaxy NGC 4490 is determined for the first time.

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Journal keyword(s): Galaxies: Abundances - ISM: H II Regions - ISM: Abundances

Simbad objects: 33

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Number of rows : 33
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 2MASX J00251994+0031312 Sy1 00 25 19.9254133728 +00 31 31.326374784   17       ~ 16 0
2 * eta Phe dS* 00 43 21.2101237138 -57 27 47.028593879   4.350 4.361     A0IV 95 0
3 NGC 428 AGN 01 12 55.709 +00 58 53.69   12.1   12.0 12.1 ~ 232 0
4 NGC 450 H2G 01 15 30.4565036568 -00 51 39.125259576   13.4   13.3 13.2 ~ 227 0
5 LEDA 5593 GiC 01 30 03.502 +00 44 35.93   18       ~ 11 0
6 NGC 1110 GiP 02 49 09.319 -07 50 23.81   16.11   13.40 14.1 ~ 59 0
7 NGC 2541 GiG 08 14 40.1160678912 +49 03 42.021679932 12.03 12.26 11.80     ~ 313 1
8 NGC 2552 AG? 08 19 20.5355420472 +50 00 34.590204468 13.44 13.00 12.56     ~ 266 1
9 MCG+08-16-005 Sy1 08 27 18.047 +46 02 02.44   16       ~ 9 0
10 Mrk 104 Sy1 09 16 45.5160392472 +53 26 34.300942764   14.7       ~ 44 0
11 UGC 5189 GiG 09 42 58.193 +09 28 15.64   13.7       ~ 58 0
12 UGC 5249 AG? 09 47 45.381 +02 37 38.93   14.4       ~ 70 0
13 NGC 3023 GiP 09 49 52.636 +00 37 04.36   13.3 12.70 13.4 13.6 ~ 101 1
14 NGC 3319 SyG 10 39 09.533 +41 41 12.74   11.48 11.07     ~ 312 1
15 NGC 3432 AG? 10 52 31.132 +36 37 07.60   11.81 11.67 11.29   ~ 298 1
16 LEDA 2222472 EmG 11 06 28.69 +43 30 40.1   17.2       ~ 6 0
17 LEDA 2175057 AG? 11 23 17.1798229224 +41 03 37.532393712           ~ 10 0
18 IC 2828 EmG 11 27 10.9210049136 +08 43 51.666910572   14.7       ~ 54 0
19 HS 1132+4416 EmG 11 34 52.95 +44 00 17.4   17.5       ~ 5 0
20 UGC 6569 GiC 11 35 51.48 +17 26 52.4   15.7       ~ 15 0
21 UGC 6596 LSB 11 37 50.401 +56 08 38.98   15.5       ~ 29 0
22 NGC 3991 EmG 11 57 30.465 +32 20 03.00   13.8       ~ 156 1
23 NGC 3994 LIN 11 57 36.8662975416 +32 16 39.447161112   13.51 12.87     ~ 196 1
24 NGC 3995 rG 11 57 44.098 +32 17 38.64   12.81       ~ 166 0
25 NGC 4490 GiP 12 30 34.5 +41 38 26 10.03 10.22 9.79     ~ 574 3
26 LEDA 3090638 AG? 12 54 46.3213309992 +15 35 29.691731544           ~ 15 0
27 UGCA 322 EmG 13 04 31.194 -03 34 20.68   14.30   15.916   ~ 77 0
28 M 101 GiP 14 03 12.583 +54 20 55.50   8.46 7.86 7.76   ~ 2914 2
29 NGC 5669 H2G 14 32 43.476 +09 53 25.47   13.2       ~ 198 0
30 MCG+01-37-025 EmG 14 32 45.095 +02 54 53.92   14.9       ~ 30 0
31 M 102 SyG 15 06 29.561 +55 45 47.91 11.12 10.74 9.89     ~ 552 3
32 UGC 9979 GiP 15 42 19.491 +00 28 25.65   15.7       ~ 38 0
33 Mrk 490 AG? 15 46 30.725 +45 59 53.85   15.0       ~ 28 0

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