2016A&A...591A...1P

Query : 2016A&A...591A...1P

2016A&A...591A...1P - Astronomy and Astrophysics, volume 591A1-1 (2016/7-1)

Morphological classification of local luminous infrared galaxies.

PSYCHOGYIOS A., CHARMANDARIS V., DIAZ-SANTOS T., ARMUS L., HAAN S., HOWELL J., LE FLOC'H E., PETTY S.M. and EVANS A.S.

Abstract (from CDS):

We present analysis of the morphological classification of 89 luminous infrared galaxies (LIRGs) from the Great Observatories All-sky LIRG Survey (GOALS) sample, using non-parametric coefficients and compare their morphology as a function of wavelength. We rely on images that were obtained in the optical (B- and I-band) as well as in the infrared (H-band and 5.8µm). Our classification is based on the calculation of Gini and the second order of light (M20) non-parametric coefficients, which we explore as a function of stellar mass (M*), infrared luminosity (LIR), and star formation rate (SFR). We investigate the relation between M20, the specific SFR (sSFR) and the dust temperature (Tdust) in our galaxy sample. We find that M20 is a better morphological tracer than Gini, as it allows us to distinguish systems that were formed by double systems from isolated and post-merger LIRGs. The effectiveness of M20 as a morphological tracer increases with increasing wavelength, from the B to H band. In fact, the multi-wavelength analysis allows us to identify a region in the Gini-M20 parameter space where ongoing mergers reside, regardless of the band used to calculate the coefficients. In particular, when measured in the H band, a region that can be used to identify ongoing mergers, with minimal contamination from LIRGs in other stages. We also find that, while the sSFR is positively correlated with M20 when measured in the mid-infrared, i.e. star-bursting galaxies show more compact emission, it is anti-correlated with the B-band-based M20. We interpret this as the spatial decoupling between obscured and unobscured star formation, whereby the ultraviolet/optical size of an LIRG experience an intense dust-enshrouded central starburst that is larger that in the mid-infrared since the contrast between the nuclear to the extended disk emission is smaller in the mid-infrared. This has important implications for high redshift surveys of dusty sources, where sizes of galaxies are routinely measured in the rest-frame ultraviolet.

Abstract Copyright: © ESO, 2016

Journal keyword(s): Galaxy: structure - infrared: galaxies - galaxies: evolution - galaxies: general - galaxies: starburst

Simbad objects: 90

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Number of rows : 90
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 17 Sy2 00 11 06.612 -12 06 28.33   14.14 13.52     ~ 369 1
2 MCG-02-01-052 EmG 00 18 50.152 -10 21 41.49   13 13.60 14.13   ~ 68 3
3 MCG-02-01-051 Sy2 00 18 50.898 -10 22 36.49   14.81 14.33     ~ 154 3
4 MCG+12-02-001 AG? 00 54 03.943 +73 05 05.23   16       ~ 120 1
5 IC 1623 IG 01 07 47.24 -17 30 25.0   15       ~ 338 2
6 MCG-03-04-014 Sy1 01 10 08.92440 -16 51 09.7668   15   13.96   ~ 117 1
7 Z 436-30 LIN 01 20 02.654 +14 21 41.73   14.9       ~ 176 1
8 IRAS 01364-1042 LIN 01 38 52.86288 -10 27 11.5848   16.77   15.74   ~ 132 0
9 ZW III 35 Sy2 01 44 30.516 +17 06 09.18   15.24 14.81     ~ 261 1
10 NGC 695 AGN 01 51 14.3479513536 +22 34 55.956444960   13.7       ~ 201 1
11 Z 504-70 Sy1 02 23 18.9215543016 +32 11 18.495835944   15.2       ~ 90 0
12 Z 504-71 AGN 02 23 21.9558378744 +32 11 49.070032008   15.75 14.83     ~ 84 0
13 MCG+02-08-029 AGN 02 54 01.80480 +14 58 14.6244           ~ 107 1
14 NAME Hubble Ultra Deep Field reg 03 32 39.0 -27 47 29           ~ 1900 0
15 IRAS 03359+1523 G 03 38 47.1918750504 +15 32 53.853117504   16.3       ~ 112 0
16 MCG-03-11-009 Sy1 04 04 29.6945497488 -17 54 16.107321888   15.34   14.10   ~ 36 0
17 NGC 1614 Sy1 04 34 00.027 -08 34 44.57   14.66 13.99     ~ 697 1
18 ESO 203-1 AGN 04 46 49.4729569488 -48 33 30.480074640   16.40   15.51   ~ 73 0
19 ZW VII 31 rG 05 16 46.44456 +79 40 12.4320   15.8       ~ 159 1
20 ESO 255-7 EmG 06 27 22.588 -47 10 46.45   14.48   13.60   ~ 73 0
21 LEDA 19079 EmG 06 27 23.0432355024 -47 11 01.608458460   15.98   15.19   ~ 20 0
22 LEDA 90054 Sy2 07 03 24.2524870728 -60 15 22.448628792   16.02   14.72   ~ 64 1
23 2MASS J07273756-0254540 AGN 07 27 37.5366009312 -02 54 54.264024396           ~ 69 0
24 LEDA 90088 AGN 08 37 01.827 -49 54 30.27           ~ 67 0
25 NGC 2623 LIN 08 38 24.016 +25 45 16.29 14.10 13.99 13.36     ~ 533 2
26 ESO 60-16 G 08 52 30.77 -69 01 59.8           ~ 45 0
27 IRAS 08572+3915 LIN 09 00 25.38288 +39 03 54.2988     16.66     ~ 450 1
28 NAME IRAS 09111-1007E Sy2 09 13 38.8376397072 -10 19 19.931643264   15.9       ~ 31 1
29 UGC 4881 IG 09 15 55.5 +44 19 58   14.9       ~ 178 0
30 Z 289-11 Sy2 09 35 51.6045544584 +61 21 11.589382368   15.20 15.50     ~ 617 2
31 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 3639 0
32 NVSS J102000+081335 rG 10 20 00.1849825704 +08 13 33.648546108   17.5       ~ 167 1
33 NGC 3256 Sy2 10 27 51.284 -43 54 13.55   11.83 11.33 10.62 11.9 ~ 920 2
34 IRAS 10565+2448 LIN 10 59 18.12811 +24 32 34.7357   15.7       ~ 302 0
35 APG 148 IG 11 03 53.89153 +40 50 59.8850   14.29       ~ 190 1
36 IC 2810 rG 11 25 45.04728 +14 40 35.8176   15.4       ~ 140 0
37 NGC 3690B GiP 11 28 31.02 +58 33 40.7   11.8       ~ 635 4
38 NGC 3690NE AGN 11 28 33.07 +58 33 54.2   11.8       ~ 635 4
39 IRAS 12112+0305 PaG 12 13 45.98880 +02 48 39.9600           ~ 373 0
40 [CGM90] IRAS 12112+0305 NE rG 12 13 46.10735 +02 48 41.4959           ~ 369 0
41 LEDA 90166 AGN 12 14 22.0958120832 -56 32 33.317528712   16.8       ~ 66 0
42 Z 43-99 rG 13 01 50.29128 +04 20 00.4488   15.5       ~ 91 0
43 MCG-04-31-023 Sy1 13 02 52.3177169808 -23 55 17.932558692   14.77 14.78 13.24 13.59 ~ 131 1
44 2MASX J13150638-5509225 Sy2 13 15 06.33480 -55 09 22.7736   17.3       ~ 172 0
45 Z 294-28 GiG 13 15 30.7370784024 +62 07 45.311082744   14.4       ~ 110 1
46 MCG+10-19-056 AGN 13 15 35.103 +62 07 28.43   15       ~ 120 1
47 IC 883 SBG 13 20 35.37960 +34 08 21.8400   14.8       ~ 421 1
48 NGC 5256 PaG 13 38 17.81 +48 16 41.2   14.1 13.42     ~ 449 1
49 NGC 5257 H2G 13 39 52.92781 +00 50 24.0903   13.7 12.99     ~ 208 0
50 NGC 5258 GiP 13 39 57.6768310848 +00 49 51.009668076   13.8 12.83     ~ 186 0
51 Z 271-60 Sy2 13 44 42.1883001099 +55 53 13.596220922   15.68 14.91     ~ 958 3
52 NGC 5331 GiP 13 52 16.289 +02 06 04.18           ~ 97 0
53 NGC 5331S GiP 13 52 16.56 +02 06 09.9           ~ 63 0
54 NAME Extended Groth Strip reg 14 19 +52.8           ~ 1023 0
55 LEDA 52270 Sy1 14 37 38.2867288488 -15 00 24.087592692   16.58 16.40     ~ 300 2
56 LEDA 89507 Sy2 14 40 59.0135478768 -37 04 31.938829896   17.72   16.48   ~ 131 1
57 MCG+04-35-018 GiP 14 57 00.3205510752 +24 36 24.138336996   14.3 15.3     ~ 83 0
58 Z 221-50 SyG 15 18 06.1187 +42 44 45.086   15.0 15     ~ 239 1
59 ESO 99-4 G 15 24 58.217 -63 07 34.43   16.4       ~ 51 0
60 2MASX J15265942+3558372 LIN 15 26 59.44451 +35 58 37.0521   15.61       ~ 295 1
61 IC 1127 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 3090 4
62 NGC 6090 PaG 16 11 40.3 +52 27 21   14.0       ~ 446 1
63 IRAS 16164-0746 Sy1 16 19 11.792 -07 54 02.61   15.49       ~ 88 1
64 ESO 69-6 AGN 16 38 11.85408 -68 26 08.1888   16.16   14.83   ~ 72 2
65 2MASX J16381338-6827170 G 16 38 13.381 -68 27 17.02           ~ 8 1
66 NGC 6240 Sy2 16 52 58.9 +02 24 03   14.31 13.37     ~ 1734 2
67 NVSS J171420+531028 rG 17 14 20.4740967144 +53 10 31.495916892           ~ 97 1
68 IRAS 17138-1017 Sy2 17 16 35.83992 -10 20 38.9832   17.43   14.59   ~ 143 0
69 LEDA 60189 LIN 17 23 21.96264 -00 17 00.8088   15.1       ~ 454 0
70 2MASX J18113842+0131397 G 18 11 38.4206790528 +01 31 40.049832180           ~ 62 0
71 LEDA 84885 Sy1 18 32 41.177 -34 11 27.46   15.63   13.66   ~ 142 1
72 NGC 6670B GiP 18 33 34.094 +59 53 17.78           ~ 42 0
73 2MASX J18333768+5953227 IG 18 33 37.683 +59 53 22.76           ~ 77 0
74 KPG 538 PaG 19 10 58.0 +73 25 06           ~ 4 0
75 ESO 593-8 rG 19 14 31.09656 -21 19 08.7564   14.70   13.70   ~ 88 2
76 NVSS J193222-040000 rG 19 32 22.2962473608 -04 00 01.797249204   18.85   17.04   ~ 122 0
77 LEDA 166649 AGN 19 56 35.7922773768 +11 19 05.126583432           ~ 65 0
78 LEDA 90367 AGN 20 37 17.72304 +25 31 37.6968           ~ 58 0
79 Z 448-20 G 20 57 23.62800 +17 07 44.5980   15.2       ~ 190 0
80 ESO 286-19 LIN 20 58 26.8183783008 -42 38 59.411838156   14.79 14.79 14.20   ~ 318 0
81 NVSS J211129+582307 rG 21 11 29.30016 +58 23 07.8324           ~ 53 0
82 ESO 239-2 AGN 22 49 39.8505632256 -48 50 58.076200284   14.46       ~ 80 0
83 NAME South America rG 22 51 49.27872 -17 52 24.0600   16.97       ~ 348 3
84 ESO 148-2 Sy2 23 15 46.76280 -59 03 15.6924   14.94 14.73 13.95   ~ 289 1
85 IC 5298 Sy2 23 16 00.6756811155 +25 33 24.081139422   15.0       ~ 205 0
86 ESO 77-14 IG 23 21 03.5561888880 -69 13 01.088615424   16.52   15.27   ~ 59 0
87 NGC 7674 Sy1 23 27 56.6973043968 +08 46 44.253707772 13.84 13.92 13.23 12.64   ~ 738 2
88 LEDA 90429 SyG 23 39 01.26960 +36 21 08.5896   16.17       ~ 232 1
89 NVSS J234605+531359 rG 23 46 05.7217380192 +53 13 56.609577840           ~ 60 1
90 Z 455-56 GiP 23 51 18.628 +20 34 40.92   15.5       ~ 43 0

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