2014MNRAS.437.1155K

Query : 2014MNRAS.437.1155K

2014MNRAS.437.1155K - Mon. Not. R. Astron. Soc., 437, 1155-1170 (2014/January-2)

Interaction effects on galaxy pairs with Gemini/GMOS- I: Electron density.

KRABBE A.C., ROSA D.A., DORS O.L.Jr, PASTORIZA M.G., WINGE C., HAGELE G.F., CARDACI M.V. and RODRIGUES I.

Abstract (from CDS):

We present an observational study about the impacts of the interactions on the electron density of Hii regions located in seven systems of interacting galaxies. The data consist of long-slit spectra in the range 4400-7300Å, obtained with the Gemini Multi-Object Spectrograph at Gemini South (GMOS-S). The electron density was determined using the ratio of emission lines [Sii] λ6716/λ6731. Our results indicate that the electron density estimates obtained of Hii regions from our sample of interacting galaxies are systematically higher than those derived for isolated galaxies. The mean electron density values of interacting galaxies are in the range of Ne = 24-532/cm3, while those obtained for isolated galaxies are in the range of Ne = 40-137/cm3. Comparing the observed emission lines with predictions of photoionization models, we verified that almost all the Hii regions of the galaxies AM 1054A, AM 2058B and AM 2306B have emission lines excited by shock gas. For the remaining galaxies,

Abstract Copyright: © 2013 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2013)

Journal keyword(s):

CDS comments: Misprint in Table 1: the coordinates for ESO 077- G 003 are 23 09 39.3 -72 01 34.0.

Simbad objects: 30

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Number of rows : 30
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 IC 1623 IG 01 07 47.24 -17 30 25.0   15       ~ 338 2
2 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
3 NGC 1232 EmG 03 09 45.514 -20 34 45.48   10.67 9.87 9.53 10.2 ~ 296 0
4 NGC 1365 Sy1 03 33 36.458 -36 08 26.37 10.48 10.08 9.63 8.79 9.7 ~ 1987 2
5 SH 2-307 HII 07 35 33 -18 45.6           ~ 61 2
6 NGC 2903 AGN 09 32 10.111 +21 30 02.99 10.44 9.75 9.07 8.68   ~ 1204 3
7 NGC 2997 GiG 09 45 38.7542237472 -31 11 27.345810192   9.97 9.41 8.84 9.9 ~ 454 1
8 COSMOS 1323716 G 09 58 59.10 +02 05 04.5   22.58 22.15     ~ 34 0
9 NGC 3256 Sy2 10 27 51.284 -43 54 13.55   11.83 11.33 10.62 11.9 ~ 920 2
10 MCG-05-26-015 EmG 10 56 58.23 -33 09 52.3   15.15   14.55   ~ 16 0
11 AM 1054-325 IG 10 56 58.5 -33 09 41           ~ 16 0
12 ESO 376-28 AG? 10 57 04.2270849648 -33 09 20.721679380   15.41   14.25   ~ 21 0
13 ESO 267-41 Sy1 12 21 57.3130495584 -43 20 04.833647844   14.34 14.02 13.19   ~ 33 0
14 FRL 157 Sy2 12 22 03.973 -43 20 20.77   16.27   15.08   ~ 10 0
15 ESO 269-22 EmG 12 58 50.8926555648 -43 52 30.213496380   14.75 14.7 13.05   ~ 18 0
16 LEDA 44514 G 12 58 51.1 -43 52 49   16.17   14.82   ~ 3 0
17 MCG-07-27-021 GiC 12 58 57.689 -43 50 11.46   16.02   15.29   ~ 9 0
18 AM 1256-433 IG 12 58 57.689 -43 50 11.46           ~ 8 0
19 ESO-LV 269-0231 GiC 12 59 00.6 -43 50 22   17.04   16.05   ~ 4 0
20 M 101 GiP 14 03 12.583 +54 20 55.50   8.46 7.86 7.76   ~ 3138 2
21 ESO 341-30 G 21 01 39.1129616904 -38 04 58.677599712   15.56   14.45   ~ 17 0
22 LEDA 613112 G 21 01 39.714 -38 05 51.21   13.9   14.3   ~ 4 0
23 ESO 48-26 G 22 33 43.6411572264 -73 40 46.820565876   15.62   14.81   ~ 14 0
24 AM 2229-735 IG 22 33 43.6411572264 -73 40 46.820565876           ~ 15 0
25 2MASS J22334827-7340560 G 22 33 48.3038920272 -73 40 55.990136388   15.8   15.8   ~ 2 0
26 ESO 77-3 GiP 23 09 39.2439917640 -72 01 33.274686000   14.81   13.92   ~ 22 0
27 AM 2306-721 PaG 23 09 40 -72 00.7           ~ 12 0
28 ESO 77-4 Sy2 23 09 44.4833910456 -72 00 03.443954472   15.10   14.52   ~ 10 0
29 LEDA 224614 Sy1 23 25 55.415 -81 52 40.68   15.56   14.40   ~ 11 0
30 NGC 7637 GiG 23 26 27.6156212568 -81 54 41.699647188   13.24   12.06 12.4 ~ 55 0

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