2007ApJ...663..866D

Query : 2007ApJ...663..866D

2007ApJ...663..866D - Astrophys. J., 663, 866-894 (2007/July-2)

Dust masses, PAH abundances, and starlight intensities in the SINGS galaxy sample.

DRAINE B.T., DALE D.A., BENDO G., GORDON K.D., SMITH J.D.T., ARMUS L., ENGELBRACHT C.W., HELOU G., KENNICUTT R.C.Jr, LI A., ROUSSEL H., WALTER F., CALZETTI D., MOUSTAKAS J., MURPHY E.J., RIEKE G.H., BOT C., HOLLENBACH D.J., SHETH K. and TEPLITZ H.I.

Abstract (from CDS):

Physical dust models are presented for 65 galaxies in SINGS that are strongly detected in the four IRAC bands and three MIPS bands. For each galaxy we estimate (1) the total dust mass, (2) the fraction of the dust mass contributed by PAHs, and (3) the intensity of the starlight heating the dust grains. We find that spiral galaxies have dust properties resembling the dust in the local region of the Milky Way, with similar dust-to-gas ratio and similar PAH abundance. The observed SEDs, including galaxies with SCUBA photometry, can be reproduced by dust models that do not require ``cold'' (T≲10 K) dust. The dust-to-gas ratio is observed to be dependent on metallicity. In the interstellar media of galaxies with AO≡12+log10(O/H)>8.1, grains contain a substantial fraction of interstellar Mg, Si, and Fe. Galaxies with AO<8.1 and extended H I envelopes in some cases appear to have global dust-to-gas ratios that are low for their measured oxygen abundance, but the dust-to-gas ratio in the regions where infrared emission is detected generally appears to be consistent with a substantial fraction of interstellar Mg, Si, and Fe being contained in dust. The PAH index qPAH, the fraction of the dust mass in the form of PAHs, correlates with metallicity. The nine galaxies in our sample with AO<8.1 have a median qPAH=1.0%, whereas galaxies with AO>8.1 have a median qPAH=3.55%. The derived dust masses favor a value XCO~4x1020/cm2 (K km/s)–1 for the CO-to-H2conversion factor. Except for some starbursting systems (Mrk 33, Tol 89, NGC 3049), dust in the diffuse ISM dominates the IR power.

Abstract Copyright: ∼

Journal keyword(s): ISM: Dust, Extinction - Galaxies: Abundances - Galaxies: General - Galaxies: ISM - Infrared: Galaxies - ISM: General

Simbad objects: 92

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Number of rows : 92
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 NGC 24 EmG 00 09 56.542 -24 57 47.27 12.12 12.20 11.58 11.46 11.5 ~ 249 1
2 LHA 115-S 14 s*r 00 51 50.4984441048 -71 59 24.223987752   14.93 12.66     K3.5Iab 19 0
3 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 11144 1
4 NGC 337 EmG 00 59 50.090 -07 34 40.66 11.97 12.06 11.61 12.4 12.2 ~ 278 1
5 NAME SMC Bar PoG 01 05 -72.6           ~ 235 0
6 NGC 584 Sy2 01 31 20.7231919800 -06 52 04.770287472 11.93 11.44 10.48     ~ 402 2
7 M 74 G 01 36 41.7451236624 +15 47 01.107512304 10.52 10.00 9.46 9.16   ~ 1734 1
8 NGC 855 GiG 02 14 03.612 +27 52 37.82 14.19 13.56 12.75 12.40   ~ 229 1
9 NGC 925 H2G 02 27 16.913 +33 34 43.97   10.69 10.12 9.55   ~ 782 1
10 NGC 1097 LIN 02 46 19.059 -30 16 29.68 10.46 9.97 9.48 8.72 9.8 ~ 1342 3
11 NGC 1266 Sy1 03 16 00.7739640240 -02 25 37.827013584   14   12.46   ~ 305 1
12 NGC 1269 EmG 03 17 18.5785534752 -41 06 28.628735184 9.85 9.83 8.81 8.72   ~ 422 1
13 NGC 1316 BL? 03 22 41.789 -37 12 29.52 9.81 9.15 8.53 7.66   ~ 1387 1
14 NGC 1377 GiG 03 36 39.077 -20 54 08.14   13.38   12.12   ~ 224 0
15 SBSG 0335-052 bCG 03 37 44.06 -05 02 40.2     16.65     ~ 471 1
16 NGC 1404 GiP 03 38 51.917 -35 35 39.81 11.53 10.69 10.00 9.03   ~ 751 1
17 NGC 1482 EmG 03 54 38.928 -20 30 08.82 13.15 13.14 12.15 11.29   ~ 294 2
18 NGC 1512 GiP 04 03 54.281 -43 20 55.86 11.30 11.43 10.54 10.37   ~ 396 1
19 NGC 1566 Sy1 04 20 00.3968473248 -54 56 16.624708764 10.29 10.19 9.73 9.21 10.1 ~ 912 2
20 NGC 1569 IG 04 30 49.186 +64 50 52.52 11.72 11.86 11.03     ~ 1241 3
21 NGC 1705 Sy2 04 54 13.4661493464 -53 21 39.471592428 12.32 12.96 12.56 12.58 12.9 ~ 662 1
22 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 17427 0
23 NAME OMC-1 MoC 05 35 14 -05 22.4           ~ 1169 2
24 NAME Orion Bright Bar reg 05 35 22.30 -05 24 33.0           ~ 874 0
25 NAME LMC 2 Supergiant Shell sh 05 41 27 -69 22.4           ~ 191 0
26 NGC 2403 AGN 07 36 51.3381434280 +65 36 09.650825640 9.31 8.84 8.38 8.19   ~ 1788 1
27 UGC 4305 IG 08 19 04.9864630512 +70 43 13.086910452 12.06 11.72 11.39 11.11   ~ 768 2
28 NAME M 81 Dwarf A G 08 23 55.1 +71 01 56   16.5       ~ 203 1
29 UGC 4459 GiG 08 34 07.20 +66 10 54.0 15.39 15.03 14.70 14.49   ~ 338 2
30 ESO 495-21 bCG 08 36 15.190 -26 24 33.66 12.04 11.93 11.45 11.09 12.3 ~ 570 3
31 NGC 2798 GiP 09 17 22.9 +42 00 00 13.03 13.04 12.32     ~ 325 3
32 APG 283 PaG 09 17 26.99 +41 59 48.8   12.2       ~ 193 1
33 NGC 2841 LIN 09 22 02.6778711696 +50 58 35.737082868 10.43 10.09 9.22     ~ 1073 1
34 NGC 2915 AG? 09 26 11.532 -76 37 34.75 13.13 12.93 12.68 11.90 12.8 ~ 353 2
35 IC 2474 LIN 09 27 11.4072401976 +23 02 03.523206804   16       ~ 19 1
36 UGC 5139 LSB 09 40 32.33 +71 10 56.0 14.53 14.00 13.66 13.41   ~ 355 1
37 NGC 2976 GiP 09 47 15.458 +67 54 58.97 11.77 11.03 10.16 9.51   ~ 672 1
38 NGC 3049 EmG 09 54 49.651 +09 16 17.90   13.04       ~ 329 1
39 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4447 3
40 UGC 5336 AG? 09 57 32.8632 +69 02 50.735 15.19 15.15 14.10 14.12   ~ 315 4
41 NAME M81 dwB LSB 10 05 30.45024 +70 21 51.4253 15.95 15.56 15.09 14.87   ~ 203 1
42 NGC 3189 GiP 10 18 05.643 +21 49 54.98 12.60 12.12 11.15 11.14   ~ 399 2
43 NGC 3180 GiG 10 18 16.985 +41 25 27.77   10.4       ~ 734 0
44 NGC 3198 EmG 10 19 54.990 +45 32 58.88 10.83 10.87 10.33     ~ 905 1
45 IC 2574 AG? 10 28 23.6148831408 +68 24 43.440012756 11.70 11.07 10.87 10.74   ~ 664 1
46 NGC 3265 GiG 10 31 06.768 +28 47 47.98   13.87 13.54     ~ 165 1
47 Mrk 33 AG? 10 32 31.956 +54 24 03.53 13.29 13.66 13.13 12.71 12.27 ~ 368 1
48 M 95 GiP 10 43 57.7313485800 +11 42 13.301191332 10.71 10.51 9.73 9.48   ~ 1121 2
49 NGC 3521 G 11 05 48.5680991376 -00 02 09.245076540 10.06 9.83 9.02 10.1 9.6 ~ 817 2
50 NGC 3621 Sy2 11 18 16.300 -32 48 45.36 10.10 9.44 9.56 8.07 10.1 ~ 590 3
51 M 66 GiP 11 20 15.0 +12 59 29 9.85 9.65 8.92     ~ 1386 4
52 NGC 3773 H2G 11 38 12.967 +12 06 42.91   13.1       ~ 207 0
53 NGC 3938 GiG 11 52 49.4335936248 +44 07 14.697085116 10.80 10.90 10.38     ~ 533 1
54 NGC 4125 GiP 12 08 06.017 +65 10 26.88 11.14 10.65 9.72     ~ 427 2
55 NGC 4236 GiG 12 16 42.118 +69 27 45.25 10.97 10.58 10.08 9.90   ~ 400 1
56 M 99 H2G 12 18 49.625 +14 24 59.36 10.45 10.44 9.87     ~ 918 2
57 M 100 AGN 12 22 54.9299993592 +15 49 20.296257960 10.04 10.05 9.35     ~ 1845 2
58 NAME Virgo Cluster ClG 12 26 32.1 +12 43 24           ~ 6639 0
59 NGC 4450 LIN 12 28 29.5910654016 +17 05 05.976112020   10.90 10.08     ~ 563 2
60 NGC 4536 GiP 12 34 27.1 +02 11 18 11.14 11.16 10.55 17.393   ~ 852 3
61 M 89 LIN 12 35 39.80733343 +12 33 22.8308657 11.29 10.73 9.75     ~ 995 2
62 NGC 4559 H2G 12 35 57.6402869976 +27 57 35.859278160   10.46 10.01     ~ 628 1
63 M 90 Sy2 12 36 49.8009839880 +13 09 46.523813040 10.56 10.26 9.54     ~ 898 1
64 M 58 Sy2 12 37 43.5 +11 49 06 10.80 10.48 9.66     ~ 1078 2
65 M 104 LIN 12 39 59.43185902 -11 37 22.9961800 9.51 9.55 8.00 8.05   ~ 1396 3
66 NGC 4625 GiP 12 41 52.7121819576 +41 16 26.115765780 12.74 12.92 12.35     ~ 364 2
67 NGC 4631 GiP 12 42 08.009 +32 32 29.44   9.78 9.19 9.10   ~ 1095 2
68 NGC 4725 Sy2 12 50 26.5716367992 +25 30 02.733090588   13.45 12.44     ~ 695 2
69 M 94 SyG 12 50 53.0737971432 +41 07 12.900884628 9.15 8.96 8.24 7.78   ~ 1386 2
70 UGC 8024 GiC 12 54 05.248 +27 08 58.67 14.37 14.23 13.95 13.84   ~ 592 1
71 M 64 SyG 12 56 43.696 +21 40 57.57   9.36 8.52     ~ 939 2
72 UGC 8201 AG? 13 06 24.85 +67 42 25.0 14.08 13.61 13.08 12.98   ~ 255 1
73 NGC 5033 Sy2 13 13 27.535 +36 35 37.14   11.01 12.03 9.73   ~ 869 3
74 M 63 LIN 13 15 49.2741893928 +42 01 45.728076108   9.34 8.59 8.35   ~ 1223 2
75 M 51 Sy2 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 4329 4
76 NGC 5195 GiP 13 29 59.590 +47 15 58.06 10.76 10.45 9.55 9.31   ~ 778 3
77 Tol 89 HII 14 01 20.082 -33 04 11.06           ~ 45 1
78 NGC 5408 EmG 14 03 20.907 -41 22 39.75   12.59   11.96 12.2 ~ 349 3
79 NGC 5474 GiP 14 05 01.608 +53 39 43.95   11.28 10.79     ~ 443 1
80 NGC 5713 GiP 14 40 11.528 -00 17 21.16 11.88 11.84 11.20     ~ 398 2
81 M 102 SyG 15 06 29.561 +55 45 47.91 11.12 10.74 9.89     ~ 552 3
82 NGC 6156 GiG 16 34 52.5448490040 -60 37 07.867951500   12.30   11.05 12.0 ~ 78 0
83 * zet Oph Be* 16 37 09.5400587698 -10 34 01.509742704 1.73 2.58 2.56 2.46 2.50 O9.2IVnn 1839 0
84 NGC 6618 OpC 18 20 47 -16 10.3           ~ 1612 0
85 IC 4710 AG? 18 28 37.969 -66 58 56.20   12.53   11.33 12.4 ~ 106 1
86 NGC 6822 G 19 44 56.199 -14 47 51.29   18 8.1     ~ 1562 0
87 NGC 6918 Sy1 20 30 47.1146929762 -47 28 25.211091063   14.46   13.06   ~ 38 0
88 NGC 6946 H2G 20 34 52.332 +60 09 13.24   10.5       ~ 2527 2
89 NGC 7331 LIN 22 37 04.0506038088 +34 24 56.800076508 10.65 10.35 9.48     ~ 1227 2
90 NGC 7552 Sy1 23 16 10.66 -42 35 04.7 11.34 11.22 10.57 10.08 11.1 ~ 552 3
91 NGC 7793 GiG 23 57 49.7540045856 -32 35 27.701550744 10.26 9.74 9.28 9.06 9.7 ~ 1106 2
92 NAME Local Group GrG ~ ~           ~ 8387 0

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