2009MNRAS.397.1966T

Query : 2009MNRAS.397.1966T

2009MNRAS.397.1966T - Mon. Not. R. Astron. Soc., 397, 1966-1975 (2009/August-3)

Infrared-red cores in nearby elliptical galaxies.

TANG Y., GU Q.-S., HUANG J.-S. and WANG Y.-P.

Abstract (from CDS):

We present the Spitzer Space Telescope Infrared Array Camera observations for a sample of local elliptical galaxies to study later stages of active galactic nucleus (AGN) activity. A sample of 36 elliptical galaxies is selected from the Palomar spectroscopic survey. We detect nuclear non-stellar infrared emission in nine of them. There is unambiguous evidence of circumnuclear dust in these nine galaxies in their optical images. We also find a remarkable correlation between the infrared excess emission and the nuclear radio/X-ray emission, suggesting that infrared excess emission is tightly related to nuclear activity. The possible origin of infrared excess emission from hot dust heated by the central AGN is supported by the spectral indices of the infrared excess emission.

Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS

Journal keyword(s): galaxies: active - galaxies: elliptical and lenticular, cD - galaxies: nuclei - infrared: galaxies

Simbad objects: 37

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Number of rows : 37
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 NGC 315 LIN 00 57 48.88334410 +30 21 08.8119345 12.80 12.20 11.16 11.26   ~ 869 2
2 NGC 410 GiG 01 10 58.9016492712 +33 09 07.053878052 13.08 12.52 11.48     ~ 163 2
3 NGC 777 BLL 02 00 14.9065707744 +31 25 45.850721628 13.09 12.49 11.45     ~ 195 2
4 NGC 821 AG? 02 08 21.1358498040 +10 59 41.832436704   12.210 11.310 10.739 9.744 ~ 592 0
5 NGC 1052 Bla 02 41 04.79849989 -08 15 20.7519527 11.84 11.41 10.47 10.71   ~ 1397 2
6 NGC 2832 LIN 09 19 46.853 +33 44 59.07   13.3 13.17     ~ 274 3
7 NGC 3226 rG 10 23 27.0064075320 +19 53 54.674937420   14.32 13.33     ~ 440 1
8 NGC 3377 GiP 10 47 42.400 +13 59 08.30 11.55 11.24 10.38     ~ 798 1
9 M 105 LIN 10 47 49.600 +12 34 53.87   10.56 9.76 9.12 8.18 ~ 1504 0
10 NGC 3608 LIN 11 16 58.967 +18 08 54.71   11.7       ~ 527 0
11 NGC 3610 GiG 11 18 25.2827189856 +58 47 10.433735988   11.4       ~ 327 0
12 NGC 3640 GiG 11 21 06.852 +03 14 05.15 11.89 11.36 10.44     ~ 291 3
13 NGC 4125 GiP 12 08 06.017 +65 10 26.88 11.14 10.65 9.72     ~ 448 2
14 NGC 4168 Sy2 12 12 17.2692381408 +13 12 18.688208724 12.58 12.11 11.18     ~ 393 1
15 NGC 4261 LIN 12 19 23.2160630 +05 49 29.700024   13.92 12.87     ~ 1290 0
16 NGC 4278 LIN 12 20 06.8242 +29 16 50.722 11.54 11.09 10.16     ~ 988 2
17 NGC 4291 GiG 12 20 17.699 +75 22 15.47   17.0       ~ 321 1
18 M 84 Sy2 12 25 03.74333 +12 53 13.1393 12.67 12.09 10.49     ~ 1841 2
19 M 86 GiG 12 26 11.814 +12 56 45.49 10.32 9.83 8.90   7.50 ~ 1126 1
20 NGC 4473 GiG 12 29 48.878 +13 25 45.55 11.60 11.16 10.20     ~ 671 1
21 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
22 M 89 Sy2 12 35 39.80733343 +12 33 22.8308657 11.29 10.73 9.75     ~ 1037 2
23 NGC 4564 GiG 12 36 26.9869512504 +11 26 21.204472848 12.51 12.05 11.12     ~ 615 1
24 M 59 GiG 12 42 02.2581375168 +11 38 48.909507756   11.0       ~ 721 0
25 NGC 4636 LIN 12 42 49.8333280080 +02 41 15.951929028   12.62 11.84     ~ 1156 1
26 M 60 GiC 12 43 39.9708251934 +11 33 09.688174067   10.3       ~ 1395 1
27 NGC 4660 GiP 12 44 31.9814021280 +11 11 25.739106972   12.1       ~ 434 0
28 NGC 5077 rG 13 19 31.66962921 -12 39 25.0765176   13.87 12.85 11.30   ~ 312 1
29 NGC 5322 SyG 13 49 15.24 +60 11 25.8   11.3       ~ 432 2
30 NGC 5557 GiG 14 18 25.708 +36 29 37.28   12.2       ~ 237 0
31 NGC 5576 GiP 14 21 03.691 +03 16 15.78 12.25 11.85 10.96     ~ 347 1
32 NGC 5813 LIN 15 01 11.2302420864 +01 42 07.141569696 12.00 11.45 10.46 10.06   ~ 673 2
33 NGC 5831 GiG 15 04 07.0002600408 +01 13 11.705607012   13.1   11.19   ~ 304 0
34 NGC 5846 rG 15 06 29.253 +01 36 20.29   11.9   9.74   ~ 891 2
35 NGC 5982 LIN 15 38 39.778 +59 21 21.21   12.4       ~ 302 0
36 NGC 6482 GiG 17 51 48.8339247888 +23 04 18.889271112 12.71 12.35 11.45     ~ 220 1
37 NGC 7626 rG 23 20 42.524 +08 13 01.43   12.8       ~ 438 1

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