2005A&A...438..803G

Query : 2005A&A...438..803G

2005A&A...438..803G - Astronomy and Astrophysics, volume 438803-820 (2005/8-2)

Mid-infrared imaging of active galaxies. Active nuclei and embedded star clusters.

GALLIANO E., ALLOIN D., PANTIN E., LAGAGE P.O. and MARCO O.

Abstract (from CDS):

High resolution, mid-infrared (MIR) images of nine nearby active galaxies are presented. The data were obtained with the TIMMI2 instrument mounted at the ESO 3.6m telescope using a set of N-band narrow filters. The resulting images have an angular resolution of 0.6"-1". The MIR emission has been resolved in four galaxies: NGC 253, NGC 1365, NGC 1808 and NGC 7469. The images show a circumnuclear population of unknown MIR sources in NGC 1365 and NGC 1808, coincident with radio sources. These MIR/radio sources are interpreted in terms of embedded young star clusters. A high-resolution MIR map of NGC 253 is also presented, and enables the identification of a previously unknown MIR counterpart to the radio nucleus. Extended MIR emission is detected in NGC 7469, and concurs with previous observations in the NIR and radio. For this source, an interesting morphological difference between the 10.4µm and the 11.9µm emission is observed, suggesting the presence of a dust-rich micro-bar. Our MIR images of Circinus do not show resolved emission from the nucleus down to an angular scale of 0.5". In the case of NGC 2992, an upper limit to the extended MIR emission can be set. We provide new MIR flux measurements for the unresolved AGN in NGC 5995, IZw1 and IIZw136.

Abstract Copyright: ∼

Journal keyword(s): galaxies: individual: NGC 253 - galaxies: individual: NGC 1808 - galaxies: individual: NGC 1365 - galaxies: star clusters - infrared: galaxies - galaxies: Seyfert

Nomenclature: Fig.2, Table 2: [GAP2005] NGC NNNN MN, [GAP2005] Circinus MN, [GAP2005] I Zw 1 MN, [GAP2005] II Zw 136 MN, N=6+1+9+6+1+1+1+1.

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

CDS comments: In table 1 coordinates of NGC 2992 correspond to another object (UGC 11763).

Simbad objects: 36

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Number of rows : 36
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 NAME NGC 253 IRS 1 IR 00 47 32.979 -25 17 18.71           ~ 6 0
2 NGC 253 SyG 00 47 33.134 -25 17 19.68   8.03   6.94 8.1 ~ 3588 2
3 [LT2006b] 5.795-39.05 SNR 00 47 33.178 -25 17 16.93           ~ 41 0
4 Mrk 1502 Sy1 00 53 34.9331107632 +12 41 35.929269132   14.41 14.03     ~ 1242 1
5 Z 538-57 Sy1 02 23 11.41124925 +42 59 31.3853324   15.71 14.81     ~ 582 2
6 M 77 Sy2 02 42 40.7091669408 -00 00 47.859690204 9.70 9.61 8.87 10.1 9.9 ~ 4897 2
7 [GAP2005] NGC 1365 M1 IR 03 33 36.35 -36 08 25.9           ~ 1 0
8 [GAP2005] NGC 1365 M4 Rad 03 33 36.377 -36 08 17.34           ~ 18 0
9 NGC 1365 Sy1 03 33 36.458 -36 08 26.37 10.48 10.08 9.63 8.79 9.7 ~ 1987 2
10 [GAP2005] NGC 1365 M5 Rad 03 33 36.55 -36 08 13.8           ~ 17 0
11 [SJL82] F Rad 03 33 36.58 -36 08 25.6           ~ 9 0
12 [GAP2005] NGC 1365 M6 Rad 03 33 36.750 -36 08 17.54           ~ 16 0
13 SBSG 0335-052 AGN 03 37 44.06 -05 02 40.2     16.65     ~ 500 1
14 KSG 6 Cl* 05 07 41.94 -37 30 44.2           ~ 6 0
15 KSG 7 Cl* 05 07 42.16 -37 30 49.7           ~ 4 0
16 [SUP90] 58.56-36.3 IR 05 07 42.31 -37 30 45.9           ~ 4 0
17 NGC 1808 Sy2 05 07 42.343 -37 30 46.98 11.05 10.80 9.94 9.36 10.2 ~ 756 3
18 [CSP94] NGC 1808 59.06-37.8 Rad 05 07 42.81 -37 30 47.3           ~ 5 0
19 [GAP2005] NGC 1808 M9 IR 05 07 43.010 -37 30 42.52           ~ 2 0
20 [GAP2005] NGC 1808 M8 IR 05 07 45.020 -37 30 40.39           ~ 3 0
21 [GAP2005] NGC 1808 M5 IR 05 07 45.180 -37 30 44.31           ~ 2 0
22 [GAP2005] NGC 1808 M7 IR 05 07 47.750 -37 30 38.56           ~ 2 0
23 [GAP2005] NGC 1808 M6 IR 05 07 48.130 -37 30 40.65           ~ 3 0
24 UGCA 116 AGN 05 55 42.645 +03 23 32.23 10.74 11.68 11.46   11.82 ~ 561 0
25 MCG-04-21-005 AGN 08 36 15.190 -26 24 33.66 12.04 11.93 11.45 11.09 12.3 ~ 600 3
26 NGC 2992 Sy2 09 45 42.045 -14 19 34.90 13.54 13.14 12.18 12.6 12.2 ~ 951 3
27 NGC 2993 Sy1 09 45 48.325 -14 22 06.02 12.72 13.11 12.64 13.4 13.0 ~ 194 2
28 NGC 4038 EmG 12 01 53.002 -18 52 03.32   10.91   9.74 11.0 ~ 1364 1
29 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1749 0
30 NGC 4039 GiP 12 01 53.51 -18 53 10.3   11.08   9.77   ~ 1173 1
31 NGC 5253 rG 13 39 55.990 -31 38 24.11 11.48 10.94 10.49 10.33 13.47 ~ 1421 4
32 NAME Circinus Galaxy Sy2 14 13 09.906 -65 20 20.47   10.89 9.84 10.6 10.0 ~ 1331 1
33 * alf Cen A SB* 14 39 36.49400 -60 50 02.3737 0.96 0.72 0.01     G2V 1352 1
34 NGC 5995 Sy2 15 48 24.9463652328 -13 45 27.241966908   14.66 13.69 13.17   ~ 180 1
35 Mrk 1513 Sy1 21 32 27.8162556672 +10 08 19.252365396   14.92 14.64     ~ 651 0
36 NGC 7469 Sy1 23 03 15.6 +08 52 26 12.60 13.00 12.34     ~ 2253 3

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