CDS

2014MNRAS.444.3052Y

Query : 2014MNRAS.444.3052Y

2014MNRAS.444.3052Y - Mon. Not. R. Astron. Soc., 444, 3052-3077 (2014/November-2)

Deep near-infrared surface photometry and properties of Local Volume dwarf irregular galaxies.

YOUNG T., JERJEN H., LOPEZ-SANCHEZ A.R. and KORIBALSKI B.S.

Abstract (from CDS):

We present deep H-band surface photometry and analysis of 40 Local Volume galaxies, a sample primarily composed of dwarf irregulars in the Cen A group, obtained using the Infrared Imager and Spectrograph 2 detector at the 3.9-m Anglo-Australian Telescope. We probe to a surface brightness of ∼ 25 mag/arcsec2, reaching a 40 times lower stellar density than the Two Micron All Sky Survey (2MASS). Employing extremely careful and rigorous cleaning techniques to remove contaminating sources, we perform surface photometry on 33 detected galaxies deriving the observed total magnitude, effective surface brightness and best-fitting Sérsic parameters. We make image quality and surface photometry comparisons to 2MASS and VISTA Hemisphere Survey demonstrating that deep targeted surveys are still the most reliable means of obtaining accurate surface photometry. We investigate the B - H colours with respect to mass for Local Volume galaxies, finding that the colours of dwarf irregulars are significantly varied, eliminating the possibility of using optical-near-infrared colour transformations to facilitate comparison to the more widely available optical data sets. The structure-luminosity relationships are investigated for our `clean' sample of dwarf irregulars. We demonstrate that a significant fraction of the Local Volume dwarf irregular population have underlying structural properties similar to both Local Volume and Virgo cluster dwarf ellipticals. Linear regressions to structure-luminosity relationships for the Local Volume galaxies and Virgo cluster dwarf ellipticals show significant differences in both slope and scatter around the established trend lines, suggesting that environment might regulate the structural scaling relationships of dwarf galaxies in comparison to their more isolated counterparts.

Abstract Copyright: © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2014)

Journal keyword(s): galaxies: dwarf - galaxies: irregular - galaxies: structure

Simbad objects: 48

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Number of rows : 48
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023 		#notes
1 ESO 410-5 LSB 00 15 31.45 -32 10 47.3   15.32 14.9 14.58   ~ 101 1
2 NAME Sculptor dE1 GiG 00 23 51.7 -24 42 18   17.73       ~ 66 1
3 NAME Scl Group GrG 01 00 06 -33 44.2           ~ 497 0
4 ESO 199-7 G 02 58 04.1 -49 22 56   16.44   16.00 16.4 ~ 23 0
5 ESO 252-1 IG 04 56 58.3 -42 48 03   15.28   15.04   ~ 43 0
6 2MASX J05414221+0640502 GiC 05 41 42.213 +06 40 50.29   16.1       ~ 31 0
7 HIPASS J0541+06 HI 05 41 48.4 +06 40 53           ~ 2 0
8 2MASX J06071970-3412161 GiC 06 07 19.704 -34 12 16.15   14.3   13.74 14.0 ~ 37 0
9 NGC 2188 EmG 06 10 09.53 -34 06 22.3   12.10 11.82 11.39   ~ 100 0
10 ESO 489-56 G 06 26 17.8 -26 15 58   16.69   16.28 15.0 ~ 54 0
11 NAME Argo Dwarf Irregular G 07 05 17.4 -58 31 13   14.2       ~ 48 0
12 PN K 2-3 PN 07 06 56.8 -22 02 26   15.8       ~ 48 0
13 HIPASS J0706-22 HI 07 06 56.9 -22 02 22   13.4   13.5 13.1 ~ 3 0
14 ESO 376-16 G 10 43 27.1 -37 02 33   15.44   14.64 15.1 ~ 24 0
15 ESO 318-13 G 10 47 41.9 -38 51 15   15.02   13.96   ~ 35 0
16 ESO 320-14 G 11 37 53.2 -39 13 13   15.85   15.17 16.0 ~ 40 0
17 ESO 379-7 G 11 54 43.5 -33 33 36   16.60   15.50 15.3 ~ 53 0
18 ESO 379-24 G 12 04 56.7 -35 44 34   16.58   15.92 15.8 ~ 20 0
19 ESO 321-14 G 12 13 49.6 -38 13 52 16.32 15.70 15.35 15.20 15.2 ~ 81 0
20 NAME Virgo Cluster ClG 12 26 32.1 +12 43 24           ~ 6418 0
21 LEDA 166152 G 13 05 02.5 -40 04 55   16.0   16.2 16.0 ~ 55 0
22 ESO 269-58 G 13 10 32.9 -46 59 27   12.50   11.31   ~ 68 0
23 NAME Cen A Group GrG 13 20 33.9 -44 58 51           ~ 253 0
24 LEDA 166163 G 13 21 08.5 -31 31 50   17.4       ~ 53 0
25 LEDA 46885 GiC 13 24 36.1 -30 58 20   16.67   17.33   ~ 53 1
26 NAME Centaurus A Sy2 13 25 27.61521044 -43 01 08.8050291   8.18 6.84 6.66   ~ 4344 3
27 IC 4247 GiC 13 26 44.9 -30 21 45 15.34 14.67 14.28 14.13 14.53 ~ 84 0
28 ESO 324-24 LSB 13 27 38.8 -41 28 47   12.91   12.13 12.3 ~ 95 0
29 ESO 444-78 GiC 13 36 30.8 -29 14 03   15.49   14.81 15.0 ~ 83 0
30 ESO 444-84 GiC 13 37 20.4 -28 02 39 16.04 15.34 15.05 15.05 14.9 ~ 111 1
31 LEDA 592761 G 13 37 25.2 -39 53 52   16.1   16.3 16.5 ~ 43 0
32 NGC 5237 IG 13 37 39.056 -42 50 48.90   13.26 12.67 12.34   ~ 102 1
33 NGC 5253 AGN 13 39 55.990 -31 38 24.11 11.48 10.94 10.49 10.33 13.47 ~ 1331 4
34 IC 4316 G 13 40 18.1 -28 53 41   15.02 15.93 14.15   ~ 77 0
35 NGC 5264 GiG 13 41 36.683 -29 54 47.25 13.86 12.96 12.39 12.14 15.83 ~ 143 1
36 ESO 325-11 G 13 45 00.7 -41 51 37   14.02   13.49 12.9 ~ 99 0
37 LEDA 4614882 G 13 48 33.5 -37 58 05           ~ 32 0
38 NAME TR 1346-35 GiG 13 49 17.5109711256 -36 03 48.860478360   11.00   10.11   ~ 104 1
39 LEDA 3097113 G 13 51 18.9 -46 58 25           ~ 32 0
40 NGC 5408 EmG 14 03 20.907 -41 22 39.75   12.59   11.96 12.2 ~ 333 3
41 LEDA 51659 G 14 28 03.7 -46 18 06   15       ~ 70 1
42 ESO 222-10 G 14 35 03.0 -49 25 18   14.8   14.6 14.7 ~ 32 0
43 ESO 272-25 G 14 43 25.5 -44 42 18   14.79   14.00 13.8 ~ 35 0
44 ESO 223-9 G 15 01 08.4 -48 17 33   12.3   12.5 12.6 ~ 73 0
45 ESO 274-1 G 15 14 13.429 -46 48 33.12   12.00   10.97 11.3 ~ 100 0
46 HIPASS J1919-68 G 19 19 58.4 -68 39 13           ~ 3 0
47 ESO 149-3 G 23 52 02.8 -52 34 44 15.48 15.10 14.89 14.84 14.9 ~ 71 0
48 NAME Local Group GrG ~ ~           ~ 7977 0

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2023.03.28-11:51:26

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