2007A&A...472..455N


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.16CEST17:18:22

2007A&A...472..455N - Astronomy and Astrophysics, volume 472, 455-469 (2007/9-3)

Presence of dust with a UV bump in massive, star-forming galaxies at 1 < z < 2.5.

NOLL S., PIERINI D., PANNELLA M. and SAVAGLIO S.

Abstract (from CDS):

Fundamental properties of the extinction curve, like the slope in the rest-frame ultraviolet (UV) and the presence/absence of a broad absorption excess centred at 2175Å (the UV bump), are investigated for a sample of 108 massive, star-forming galaxies at 1<z<2.5, selected from the FDF Spectroscopic Survey, the K20 survey, and the GDDS. These characteristics are constrained from a parametric description of the UV spectral energy distribution (SED) of a galaxy, as enforced by combined stellar population and radiative transfer models for different geometries, dust/stars configurations, and dust properties. In at least one third of the sample, there is a robust evidence for extinction curves with at least a moderate UV bump. The presence of the carriers of the UV bump is more evident in galaxies with UV SEDs suffering from heavy reddening. We interpret these results as follows. The sample objects possess different mixtures of dust grains and molecules producing extinction curves in between the average ones of the Small and Large Magellanic Cloud, where the UV bump is absent or modest, respectively. Most of the dust embeds the UV-emitting stellar populations or is distributed out of the galaxy mid-plane. Alternatively, even dust with a pronounced UV bump, as for the average Milky-Way extinction curve, can be present and distributed in the galaxy mid-plane. In this case, variations of the continuum scattering albedo with wavelength or an age-dependent extinction are not sufficient to explain the previous trend with reddening. Hence, additional extraplanar dust has to be invoked. The data suggest that the carriers of the UV bump are associated with intermediate-age stellar populations, while they survive in the harshest UV-radiation fields owing to dust self-shielding. The existence of different extinction curves implies that different patterns of evolution and reprocessing of dust exist at high redshift. Ignoring this may produce a non-negligible uncertainty on the star-formation rate estimated from the rest-frame UV.

Abstract Copyright:

Journal keyword(s): galaxies: high-redshift - galaxies: starburst - galaxies: ISM - ISM: dust, extinction - ultraviolet: galaxies

Simbad objects: 116

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Number of rows : 116

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 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 10916 1
2 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 9448 1
3 K20S 0055-269 255 G 00 57 50.818 -26 43 52.52       23.47   ~ 3 0
4 K20S 0055-269 24 G 00 57 54.719 -26 41 07.51       22.33   ~ 3 0
5 K20S 0055-269 23 G 00 57 56.800 -26 41 04.73       23.06   ~ 3 0
6 QSO B0055-26 QSO 00 57 58.0249885733 -26 43 14.753717865   17.90 17.47 17.99   ~ 133 1
7 K20S 0055-269 17 G 00 57 58.218 -26 40 59.18       23.84   ~ 3 0
8 K20S 0055-269 131 G 00 57 59.393 -26 42 37.16       22.93   ~ 3 0
9 K20S 0055-269 119 G 00 58 00.336 -26 42 26.52       23.20   ~ 3 0
10 K20S 0055-269 50 G 00 58 05.671 -26 41 26.96       23.66   ~ 3 0
11 K20S 0055-269 52 G 00 58 07.025 -26 41 27.04       21.88   ~ 3 0
12 K20S 0055-269 157 G 00 58 07.790 -26 42 52.86       22.33   ~ 3 0
13 K20S 0055-269 262 G 00 58 08.420 -26 43 55.40       23.30   ~ 3 0
14 NAME SMC Bar PoG 01 05 -72.6           ~ 199 0
15 FDF 1208 G 01 05 51.87 -25 48 03.5   25.06   24.01   ~ 5 0
16 FDF 1473 G 01 05 52.93 -25 45 19.2   23.92   23.59   ~ 3 0
17 FDF 1496 G 01 05 53.02 -25 48 03.9   24.12   23.28   ~ 3 0
18 FDF 1691 G 01 05 53.71 -25 45 28.7   25.09   24.16   ~ 5 0
19 FDF 1744 G 01 05 53.90 -25 46 06.3   25.53   24.35   ~ 5 0
20 FDF 1823 G 01 05 54.18 -25 43 30.5   23.82   22.89   ~ 3 0
21 FDF 1922 G 01 05 54.58 -25 47 00.1   23.92   23.53   ~ 4 0
22 FDF 1991 G 01 05 54.83 -25 46 16.3   25.10   24.64   ~ 4 0
23 FDF 2274 G 01 05 55.89 -25 44 34.1   24.28   23.57   ~ 5 0
24 FDF 2295 G 01 05 55.98 -25 43 12.3   24.02   23.17   ~ 3 0
25 FDF 2334 G 01 05 56.13 -25 44 39.9   24.02   23.34   ~ 3 0
26 FDF 2418 G 01 05 56.44 -25 45 12.1   24.43   23.38   ~ 5 0
27 FDF 2495 G 01 05 56.75 -25 43 43.9   24.62   23.59   ~ 5 0
28 FDF 2636 G 01 05 57.31 -25 44 02.2   24.85   23.79   ~ 5 0
29 FDF 3005 G 01 05 58.61 -25 48 14.1   24.71   23.79   ~ 5 0
30 FDF 3163 G 01 05 59.17 -25 45 38.1   24.79   23.55   ~ 5 0
31 FDF 3230 G 01 05 59.40 -25 44 07.6   23.93   22.72   ~ 3 0
32 FDF 3300 G 01 05 59.64 -25 46 29.9   24.87   24.09   ~ 5 0
33 FDF 3374 G 01 05 59.88 -25 45 10.7   24.30   23.57   ~ 5 0
34 FDF 3476 G 01 06 00.24 -25 44 55.7   23.62   23.20   ~ 3 0
35 FDF 3688 G 01 06 00.89 -25 47 05.3   25.27   24.25   ~ 4 0
36 FDF 3781 G 01 06 01.22 -25 46 22.2   24.47   23.68   ~ 3 0
37 FDF 3810 G 01 06 01.32 -25 45 27.9   24.11   22.95   ~ 7 0
38 FDF 3875 G 01 06 01.51 -25 47 33.6   25.02   24.64   ~ 5 0
39 FDF 3874 G 01 06 01.51 -25 45 46.4   24.59   23.54   ~ 5 0
40 FDF 3958 G 01 06 01.84 -25 44 28.8   24.63   23.99   ~ 5 0
41 FDF 4049 G 01 06 02.15 -25 47 17.5   24.28   23.51   ~ 4 0
42 FDF 4092 G 01 06 02.33 -25 43 29.5   24.19   23.77   ~ 3 0
43 FDF 4115 G 01 06 02.38 -25 47 24.8   22.49   21.87   ~ 3 0
44 FDF 4310 G 01 06 03.03 -25 43 56.9   25.82   23.76   ~ 3 0
45 FDF 4324 G 01 06 03.09 -25 43 57.8   24.15   23.65   ~ 3 0
46 NAME FDF reg 01 06 03.6 -25 45 46           ~ 121 0
47 FDF 4479 G 01 06 03.70 -25 44 53.5   24.28   23.56   ~ 3 0
48 FDF 4795 G 01 06 04.81 -25 47 13.9   24.35   23.66   ~ 5 0
49 FDF 4871 G 01 06 05.06 -25 46 03.5   24.90   23.53   ~ 5 0
50 FDF 4996 G 01 06 05.50 -25 46 27.8   24.40   23.45   ~ 5 0
51 FDF 5058 G 01 06 05.72 -25 46 26.3   24.09   23.48   ~ 5 0
52 FDF 5072 G 01 06 05.76 -25 45 18.8   23.49   22.88   ~ 4 0
53 FDF 5135 G 01 06 05.97 -25 44 43.8       23.89   ~ 5 0
54 FDF 5152 G 01 06 06.01 -25 45 40.4   23.51   22.89   ~ 4 0
55 FDF 5165 G 01 06 06.06 -25 44 43.4   24.16   23.53   ~ 5 0
56 FDF 5182 G 01 06 06.13 -25 45 33.7   24.21   23.83   ~ 3 0
57 FDF 5190 G 01 06 06.15 -25 44 43.2   25.39   24.66   ~ 5 0
58 FDF 5227 G 01 06 06.29 -25 43 51.8   24.91   24.09   ~ 5 0
59 FDF 5236 G 01 06 06.34 -25 45 42.2   23.52   22.54   ~ 3 0
60 FDF 5458 G 01 06 07.18 -25 46 44.2   24.12   23.52   ~ 3 0
61 FDF 5585 G 01 06 07.65 -25 45 50.6       21.78   ~ 3 0
62 FDF 5667 G 01 06 07.94 -25 46 37.3   24.64   23.69   ~ 3 0
63 FDF 6024 G 01 06 09.23 -25 48 14.1   22.70   22.27   ~ 6 0
64 FDF 6101 G 01 06 09.50 -25 45 50.0   23.71   22.96   ~ 3 0
65 FDF 6344 G 01 06 10.36 -25 43 33.4   23.95   23.32   ~ 3 0
66 FDF 6358 G 01 06 10.39 -25 44 30.8   23.94   23.19   ~ 3 0
67 FDF 6372 G 01 06 10.45 -25 48 29.0   24.49   23.55   ~ 5 0
68 FDF 6384 G 01 06 10.49 -25 45 13.0   23.80   23.18   ~ 3 0
69 FDF 6407 G 01 06 10.57 -25 45 31.7   25.02   23.95   ~ 5 0
70 FDF 6432 G 01 06 10.65 -25 46 09.2   24.94   23.70   ~ 3 0
71 FDF 6547 G 01 06 11.06 -25 46 49.1   24.02   23.74   ~ 3 0
72 FDF 6864 G 01 06 12.19 -25 43 56.2   24.08   23.61   ~ 4 0
73 FDF 6934 G 01 06 12.36 -25 44 56.8   24.14   23.08   ~ 7 0
74 FDF 6947 G 01 06 12.40 -25 48 14.8   25.25   24.13   ~ 4 0
75 FDF 7029 G 01 06 12.67 -25 45 58.3   24.80   23.86   ~ 5 0
76 FDF 7078 G 01 06 12.80 -25 46 00.5   24.99   24.15   ~ 4 0
77 FDF 7223 G 01 06 13.30 -25 44 32.7   24.38   23.27   ~ 3 0
78 FDF 7307 G 01 06 13.60 -25 47 25.1   25.00   24.28   ~ 5 0
79 FDF 7342 G 01 06 13.70 -25 46 13.2   24.99   24.07   ~ 5 0
80 FDF 7345 G 01 06 13.71 -25 46 23.6   24.05   23.62   ~ 3 0
81 FDF 8604 G 01 06 18.61 -25 48 17.5   23.75   21.53   ~ 3 0
82 GDDS SA02-1417 G 02 09 33.32 -04 37 31.1     24.41 23.92   ~ 3 0
83 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 5670 1
84 VCDFS 27255 G 03 32 08.8851 -27 46 29.047   25.89   24.29 23.69 ~ 13 0
85 [LBX2017] 201 G 03 32 10.58 -27 47 06.2   23.642 23.263 22.92   ~ 14 0
86 ZFOURGE CDFS 22027 G 03 32 11.002 -27 44 59.43   24.39   23.814 22.196 ~ 15 0
87 ZFOURGE CDFS 19157 G 03 32 11.582 -27 46 22.75   23.041 22.831 22.633 22.34 ~ 16 0
88 EIS-DEEP CDFS-1 Ks 1 451 G 03 32 12.210 -27 45 54.44   22.831   23.308 22.17 ~ 19 0
89 ZFOURGE CDFS 20764 G 03 32 12.481 -27 45 30.46   23.761 23.96 23.532   ~ 13 0
90 ZFOURGE CDFS 14910 EmG 03 32 16.330 -27 48 23.70   24.729 24.416 23.43   ~ 10 0
91 [SWM2014] GOODS-S 36268 G 03 32 18.042 -27 44 31.42   26.642 26.156 23.21 24.593 ~ 13 0
92 ZFOURGE CDFS 17655 G 03 32 19.350 -27 47 00.87   24.643 24.281 23.89   ~ 10 0
93 EIS-DEEP CDFS-1 J 1 1151 G 03 32 21.781 -27 47 24.29   25.317 25.148 23.696   ~ 8 0
94 ZFOURGE CDFS 20018 G 03 32 23.10082 -27 45 58.1458   23.774   23.477 23.19 ~ 13 0
95 [WLF2008b] 5609 G 03 32 23.718 -27 44 11.73   23.876 23.52 23.584 21.338 ~ 20 0
96 GOODS-MUSIC 13992 G 03 32 24.649 -27 44 07.66   23.232 23.52 23.226   ~ 9 0
97 NAME Chandra Deep Field-South reg 03 32 28.0 -27 48 30           ~ 1812 1
98 [AZW2014] 15 EmG 03 32 29.0657 -27 46 28.607 23.93 23.57 23.40 23.33 23.81 ~ 21 0
99 [AZW2014] 19 EmG 03 32 29.07929 -27 45 21.4837 25.86 24.85 24.64 24.36 24.06 ~ 13 0
100 [LBX2017] 572 G 03 32 30.7144 -27 46 17.150   23.88   23.42 22.88 ~ 17 0
101 [IBB2017] 924 EmG 03 32 34.857 -27 46 40.49 25.3738 25.0497 24.212 23.84 23.30 ~ 29 0
102 ZFOURGE CDFS 22714 G 03 32 35.13506 -27 44 39.5826   23.636 23.573 23.873   ~ 10 0
103 VCDFS 30290 G 03 32 35.342 -27 44 19.24   24.36   23.27 23.61 ~ 13 0
104 CXOCDFS J033236.0-274423 AGN 03 32 36.02609 -27 44 23.8981   22.856 22.9 23.245 22.171 ~ 25 0
105 [LBX2017] 689 AGN 03 32 36.436 -27 46 31.52 24.1001 23.7705 23.36 23.04 22.93 ~ 21 0
106 [SWM2014] GOODS-S 28878 EmG 03 32 37.356 -27 46 45.38 25.2798 24.2267 23.951 23.53 23.252 ~ 32 0
107 ZFOURGE CDFS 23730 G 03 32 37.404 -27 44 06.98   23.866   24.958 21.508 ~ 16 0
108 [LBX2017] 709 G 03 32 37.619 -27 47 44.12 24.0572 23.7701 23.313 23.00 22.74 ~ 28 0
109 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 14838 1
110 GDDS SA12-6301 G 12 05 18.36 -07 23 43.3   23.81 22.99 22.70   ~ 2 0
111 GDDS SA12-6339 G 12 05 32.70 -07 23 37.7   25.46 24.08 23.71   ~ 8 0
112 GDDS SA12-7250 G 12 05 32.88 -07 22 32.8   25.74 24.36 23.98   ~ 2 0
113 GDDS SA15-7353 G 15 23 40.43 -00 03 54.1   26.50 25.37 24.68   ~ 3 0
114 GDDS SA15-6396 G 15 23 41.04 -00 05 10.8   24.35 24.12 23.92   ~ 2 0
115 GDDS SA15-6488 G 15 23 45.55 -00 05 05.2   24.92 24.47 24.13   ~ 2 0
116 GDDS SA15-4762 G 15 23 53.27 -00 06 42.0   25.24 24.87 24.39   ~ 2 0

    Equat.    Gal    SGal    Ecl

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2020.07.16-17:18:22

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