2011A&A...527A..23M


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.08CEST03:51:38

2011A&A...527A..23M - Astronomy and Astrophysics, volume 527A, 23-23 (2011/3-1)

The nature of nuclear Hα emission in LINERs.

MASEGOSA J., MARQUEZ I., RAMIREZ A. and GONZALEZ-MARTIN O.

Abstract (from CDS):

To get insight into the nature of the ionized gas in the nuclear region of LINERs, we performed a study of HST Hα imaging of 32 LINERs. The main conclusion from this analysis is that, for the large majority of LINERs (84%), an unresolved nuclear source has been identified along with extended emission with equivalent sizes ranging from a few tens to a few hundredths of parsecs. Their morphologies do not appear to be homogeneous, since they are grouped into three classes: nuclear outflow candidates (42%), core-halo morphologies (25%), and nuclear spiral disks (14%). Clumpy structures reminiscent of young stellar clusters are not a common property of LINERs. The remaining five galaxies are too dusty to allow a clear view of the ionized gas distribution. A size-luminosity relation was found between the equivalent radius of the Hα emission and the (2-10 keV) X-ray luminosities. Both ionized gas morphologies and the size-luminosity relation are indistinguishable from those of low-luminosity Seyferts, suggesting the same origin for the NLR of LINERs and Seyferts. A relation between soft X-rays and ionized gas has also been suggested for the first time in LINERs. From multiwavelength data, only four out of the 32 LINERs show no evidence of the AGN nature of their nuclear sources from multiwavelength data, but extremely obscured AGNs cannot be discarded given the Compton-thick signatures of their X-ray emission. For the confirmed AGN LINERs, their Hα imaging favour core-halo and outflow morphologies (65% of the cases). Finally, their calculated Eddington ratios show that our LINER sources radiate in the sub-Eddington regime, with core-halo systems having on average higher Eddington ratios than do outflow candidates.

Abstract Copyright:

Journal keyword(s): galaxies: active - galaxies: nuclei - galaxies: evolution - X-ray: galaxies

Simbad objects: 43

goto Full paper

goto View the reference in ADS

Number of rows : 43

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 NGC 315 LIN 00 57 48.88335 +30 21 08.8122 12.80 12.20 11.16 11.26   ~ 706 2
2 NGC 404 LIN 01 09 27.1 +35 43 05   12.56 11.73     ~ 412 0
3 NGC 2639 Sy1 08 43 38.093 +50 12 19.94 12.90 12.56 11.65     ~ 382 2
4 NGC 2681 LIN 08 53 32.739 +51 18 49.35 11.40 11.09 10.29     ~ 299 1
5 NGC 2768 SyG 09 11 37.504 +60 02 13.95 11.30 10.84 9.87     ~ 466 2
6 NGC 2787 LIN 09 19 18.6043000282 +69 12 11.642887220   12.92 11.79     ~ 315 0
7 NGC 2841 LIN 09 22 02.655 +50 58 35.32 10.43 10.09 9.22     ~ 985 1
8 M 81 Sy2 09 55 33.17306143 +69 03 55.0609270   7.89 6.94     ~ 3962 5
9 NGC 3226 GiP 10 23 27.0067240562 +19 53 54.682329315   14.32 13.33     ~ 394 1
10 NGC 3245 GiP 10 27 18.3853542210 +28 30 26.626222848   11.6       ~ 311 0
11 M 105 LIN 10 47 49.600 +12 34 53.87   10.56 9.76 9.12 8.18 ~ 1379 0
12 [VV2006] J111654.8+180304 QSO 11 16 54.657 +18 03 06.51   13.84 12.76     ~ 434 0
13 M 65 GiP 11 18 55.957 +13 05 31.96   9.6       ~ 404 1
14 M 66 GiP 11 20 15.026 +12 59 28.64 9.85 9.65 8.92     ~ 1158 4
15 NGC 3718 GiP 11 32 34.8527469396 +53 04 04.494313634   11.35 10.61     ~ 342 1
16 NGC 3998 SyG 11 57 56.1333561013 +55 27 12.925850484   11.64 12.10 10.09   ~ 574 2
17 NGC 4036 LIN 12 01 26.891 +61 53 44.52   12.18 11.20     ~ 233 0
18 NGC 4102 LIN 12 06 23.115 +52 42 39.42   11.8       ~ 372 1
19 NGC 4111 GiP 12 07 03.127 +43 03 55.41 12.07 11.63 10.74     ~ 304 1
20 M 98 LIN 12 13 48.292 +14 54 01.69 11.25 10.95 10.14     ~ 444 1
21 NGC 4203 LIN 12 15 05.0543630359 +33 11 50.401356393   12.98 11.99     ~ 453 2
22 NGC 4278 LIN 12 20 06.82563 +29 16 50.7124 11.54 11.09 10.16     ~ 887 2
23 NGC 4314 LIN 12 22 31.978 +29 53 43.09 11.72 11.43 10.58     ~ 449 1
24 M 84 Sy2 12 25 03.74333 +12 53 13.1393 12.67 12.09 10.49     ~ 1634 2
25 NGC 4438 LIN 12 27 45.652 +13 00 30.92 11.37 11.02 10.17     ~ 578 3
26 M 87 BiC 12 30 49.42338230 +12 23 28.0438581 10.16 9.59 8.63   7.49 ~ 6208 3
27 M 89 LIN 12 35 39.8 +12 33 23 11.29 10.73 9.75     ~ 923 2
28 M 58 SyG 12 37 43.597 +11 49 05.12 10.80 10.48 9.66     ~ 968 2
29 M 104 LIN 12 39 59.43185 -11 37 22.9954 9.51 9.55 8.00 8.05   ~ 1274 3
30 NGC 4636 LIN 12 42 49.867 +02 41 16.01   12.62 11.84     ~ 1040 1
31 IC 819 AGN 12 46 10.060 +30 43 54.64           ~ 253 1
32 NGC 4676 IG 12 46 10.18 +30 43 53.7   14.1       ~ 297 0
33 IC 820 AGN 12 46 11.2492024659 +30 43 21.853173446   14.1       ~ 107 1
34 NGC 4696 BiC 12 48 49.277 -41 18 39.92   11.21   10.7   ~ 454 3
35 M 94 SyG 12 50 53.148 +41 07 12.55 9.15 8.96 8.24 7.78   ~ 1216 3
36 NGC 5005 GiP 13 10 56.312 +37 03 32.19   14.67 13.67     ~ 496 2
37 M 63 LIN 13 15 49.2738527699 +42 01 45.726078017   9.34 8.59 8.35   ~ 1055 2
38 NGC 5846 BiC 15 06 29.253 +01 36 20.29   11.9   9.74   ~ 771 1
39 M 102 SyG 15 06 29.561 +55 45 47.91 11.12 10.74 9.89     ~ 501 3
40 NGC 6241 GiG 16 50 10.9450084500 +45 25 14.170765604   14.8       ~ 15 0
41 NGC 6240 Sy2 16 52 58.861 +02 24 03.55   14.31 13.37     ~ 1479 2
42 NGC 7213 Sy1 22 09 16.2106632887 -47 10 00.082166299   10.97 12.08 10.50 10.6 ~ 595 0
43 IC 1459 GiP 22 57 10.60677155 -36 27 43.9953697   10.96 11.85 9.34 10.3 ~ 571 2

    Equat.    Gal    SGal    Ecl

To bookmark this query, right click on this link: simbad:objects in 2011A&A...527A..23M and select 'bookmark this link' or equivalent in the popup menu


2020.07.08-03:51:38

© Université de Strasbourg/CNRS

    • Contact