2004MNRAS.353.1151S

Query : 2004MNRAS.353.1151S

2004MNRAS.353.1151S - Mon. Not. R. Astron. Soc., 353, 1151-1160 (2004/October-1)

Molecular gas properties of 12-µm Seyfert galaxies - I. The southern sample.

STRONG M., PEDLAR A., AALTO S., BESWICK R.J., CURRAN S. and BOOTH R.

Abstract (from CDS):

We have used the 15-m Swedish European Southern Observatory (ESO) Submillimetre Telescope (SEST) to observe the J= 1 ⟶ 0 and J= 2 ⟶ 1 transition lines of CO in 30 Southern hemisphere Seyfert galaxies from the extended 12-µm sample of Rush, Malkan & Spinoglio. We detected CO J= 1 ⟶ 0 in 16 out of the 30 Seyfert galaxies and CO J= 2 ⟶ 1 in 17 out of the 30 Seyfert galaxies. From the observed spectra, various CO gas properties have been derived including the luminosity of the CO gas and, using a standard conversion factor, the H2mass. The average H2gas mass for Seyfert 1 galaxies was 3x109 M☉for CO J= 1 ⟶ 0 and 1x109 M☉ for CO J= 2 ⟶ 1, while in comparison the H2gas mass for Seyfert 2 type galaxies was 11x109 M☉for CO J= 1 ⟶ 0 and 3x109 M☉CO J= 2 ⟶ 1. From this small sample of Seyfert galaxies, we tentatively support the conclusion that type 2 Seyfert galaxies contain more molecular gas than their type 1 counterparts.

Abstract Copyright: 2004 RAS

Journal keyword(s): ISM: molecules - galaxies: Seyfert - radio lines: galaxies

CDS comments: In the paper, the format of MCG seyfert galaxies is -NN-NN-NNN and not +NN-NN-NNN (the sign '-' is omitted). In Tables and Figures, MCG 2-33-3 and MCG -6-30-1 are probable misprints for MCG 2-33-34 and MCG -6-30-15.

Simbad objects: 31

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Number of rows : 31
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 2MASX J00215355-7910077 Sy2 00 21 53.5554103848 -79 10 08.025602016   17.33 16.3 15.19   ~ 82 0
2 IRAS 00521-7054 Sy2 00 53 56.2229333640 -70 38 04.243791912 17.83 17.22 16.2 16.14 14.55 ~ 109 0
3 ESO 541-12 Sy2 01 02 17.3718161376 -19 40 08.607886860   15.40 16.50 14.08   ~ 62 0
4 NGC 526 Sy2 01 23 54.3772245792 -35 03 55.710850788   14.76 14.60 13.46   ~ 354 2
5 MCG-03-07-011 Sy1 02 24 40.615 -19 08 31.31   13.97 15.33 12.86   ~ 66 1
6 NGC 1143 IG 02 55 09.7142741256 -00 10 40.248085584   13.2       ~ 154 1
7 NGC 1142 Sy2 02 55 12.2311509144 -00 11 00.807149472   15.42 14.41     ~ 350 1
8 MCG-02-08-039 Sy1 03 00 30.6274872888 -11 24 57.031067052   14 14.3 13.45   ~ 110 0
9 NGC 1194 Sy2 03 03 49.1124029328 -01 06 13.415103900   15.29 14.18     ~ 307 0
10 LEDA 13422 Sy2 03 38 33.5520704184 -16 32 18.242798532   17.67 16.39 17.04   ~ 59 0
11 MCG-02-12-045 Sy1 04 36 22.2985487328 -10 22 33.986941536   15.08 14.51 10.7   ~ 276 0
12 IRAS 04385-0828 Sy1 04 40 54.9608896320 -08 22 22.126721232   15.71 14.5     ~ 128 0
13 ESO 33-2 Sy2 04 55 58.93368 -75 32 28.2336   14.61 14.60 13.39   ~ 177 1
14 MCG-05-13-017 Sy2 05 19 35.8118941104 -32 39 27.923120568   13.81 13.37 12.73   ~ 274 1
15 IRAS 05189-2524 Sy2 05 21 01.3994605776 -25 21 45.321827832   15.47 14.75     ~ 545 0
16 ESO 253-3 Sy2 05 25 18.058 -46 00 21.36 15.95 15.10 14.77 13.95   ~ 80 0
17 IRAS 05563-3820 Sy1 05 58 02.0566707456 -38 20 04.452162288   16.05 14.98 11.6   ~ 249 1
18 NGC 3511 EmG 11 03 23.8201544712 -23 05 12.133861188   11.66   10.53 11.1 ~ 182 0
19 Z 11-76 Sy2 11 21 12.261 -02 59 03.00   15.0       ~ 132 0
20 NGC 3660 Sy2 11 23 32.2781260536 -08 39 30.730097016   15.34 14.45     ~ 185 0
21 NGC 4602 Sy2 12 40 36.848 -05 07 58.84   12.34   11.40 11.8 ~ 156 0
22 NGC 4968 Sy2 13 07 05.976 -23 40 37.34   13.78 14.79 12.46 12.78 ~ 198 2
23 MCG-03-34-064 Sy2 13 22 24.4583154360 -16 43 42.481822404   14   13.16   ~ 345 2
24 NAME Circinus Galaxy Sy2 14 13 09.906 -65 20 20.47   10.89 9.84 10.6 10.0 ~ 1331 1
25 IRAS 15091-2107 Sy1 15 11 59.8048834368 -21 19 01.536726288   15.73 14.83 11.6   ~ 160 1
26 IC 1127 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 3090 4
27 NGC 5995 Sy2 15 48 24.9463652328 -13 45 27.241966908   14.66 13.69 13.17   ~ 180 1
28 IRAS 15480-0344 Sy1 15 50 41.4972847704 -03 53 17.990582640   16.20 15.1 14.83   ~ 105 1
29 ESO 141-55 Sy1 19 21 14.1473895816 -58 40 12.982437480   14.36 13.64 13.28   ~ 394 0
30 NGC 6860 Sy2 20 08 46.8865940304 -61 05 59.782024608   13.70 13.53 12.14   ~ 203 0
31 MCG-03-58-007 Sy1 22 49 37.1473817784 -19 16 26.364266220   15.62 14.79     ~ 120 1

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