2010MNRAS.404.1910V


C.D.S. - SIMBAD4 rel 1.7 - 2020.02.27CET21:56:56

2010MNRAS.404.1910V - Mon. Not. R. Astron. Soc., 404, 1910-1921 (2010/June-1)

Testing PDR models against ISO fine structure line data for extragalactic sources.

VASTA M., BARLOW M.J., VITI S., YATES J.A. and BELL T.A.

Abstract (from CDS):

Far-infrared [Cii] 158-µm, [Oi] 145-µm and [Oi] 63-µm fine structure emission-line fluxes were measured from archival Infrared Space Observatory Long Wavelength Spectrometer spectra of 46 extragalactic sources, with 28 sources providing detections in all three lines. For 12 of the sources, the contribution to the [Cii] 158-µm line flux from Hii regions could be estimated from their detected [Nii] 122-µm line fluxes. The measured [Cii]/[Oi] and [Oi] 63/145-µm line flux ratios were compared with those from a grid of photodissociation region (PDR) models previously computed using the ucl_ pdr code. Persistent offsets between the observed and modelled line ratios could be partly attributed to the effects of [Oi] 63-µm self-absorption. Using the Spherical Multi-Mol (smmol) code, we calculated model [Oi] line profiles and found that the strength of the [Oi] 63-µm line was reduced by 20-80 per cent, depending on the PDR parameters. We conclude that high PDR densities and radiation field strengths, coupled with the effects of [Oi] 63-µm self-absorption, are likely to provide the best match to the observed line flux ratios.

Abstract Copyright: © 2010 The Authors. Journal compilation © 2010 RAS

Journal keyword(s): astrochemistry - line: profiles - photodissociation region (PDR) - Galaxy: fundamental parameters - infrared: galaxies

Simbad objects: 50

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Number of rows : 50

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 IC 10 G 00 20 23.16 +59 17 34.7   13.6 9.5     ~ 992 0
2 ESO 350-38 AGN 00 36 52.489 -33 33 17.23   14.31 14.41 13.49   ~ 287 0
3 NGC 253 SyG 00 47 33.134 -25 17 19.68   8.03   6.94 8.1 ~ 2888 2
4 NGC 278 H2G 00 52 04.3422973787 +47 33 01.649350749   10.5       ~ 217 1
5 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 9240 1
6 NGC 520 IG 01 24 35.071 +03 47 32.68 12.41 12.24 11.42     ~ 483 3
7 NGC 695 G 01 51 14.3476899804 +22 34 55.956806358   13.7       ~ 166 1
8 NGC 986 EmG 02 33 34.349 -39 02 42.21 11.72 11.74 10.91 10.10 11.3 ~ 166 1
9 UGCA 39 GiG 02 41 55.092 +59 36 14.73   16       ~ 320 1
10 M 77 GiP 02 42 40.771 -00 00 47.84 9.70 9.61 8.87 10.1 9.9 ~ 4037 2
11 IC 342 SBG 03 46 48.514 +68 05 45.98   10.5       ~ 1371 1
12 NGC 1482 GiP 03 54 38.928 -20 30 08.82 13.15 13.14 12.15 11.29   ~ 251 2
13 NGC 1569 IG 04 30 49.186 +64 50 52.52 11.72 11.86 11.03     ~ 1143 3
14 NGC 1614 AGN 04 34 00.027 -08 34 44.57   14.66 13.99     ~ 596 0
15 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 14557 1
16 NGC 2146 SBG 06 18 37.710 +78 21 25.27 11.67 11.38 10.59     ~ 610 2
17 NGC 2388 GiG 07 28 53.4530354679 +33 49 08.550019911   14.7       ~ 117 2
18 Mrk 116 PaG 09 34 02.1 +55 14 25           ~ 986 1
19 M 82 IG 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 5274 6
20 NGC 3256 IG 10 27 51.284 -43 54 13.55   11.83 11.33 10.62 11.9 ~ 740 2
21 NGC 3372 HII 10 44 19.0 -59 53 21           ~ 877 2
22 2XMM J105918.1+243234 LIN 10 59 18.128 +24 32 34.74   15.7       ~ 235 1
23 NGC 3620 G 11 16 04.680 -76 12 58.74   15.9       ~ 63 1
24 NGC 3690 IG 11 28 31.326 +58 33 41.80   13.19 12.86     ~ 873 4
25 NGC 4039 GiP 12 01 53.8 -18 53 06   11.08   9.77   ~ 1126 1
26 NGC 4041 SyG 12 02 12.2373728821 +62 08 14.095878409   11.6       ~ 224 1
27 NGC 4102 LIN 12 06 23.115 +52 42 39.42   11.8       ~ 366 1
28 NGC 4151 Sy1 12 10 32.5771747733 +39 24 21.057727323   12.18 11.48     ~ 3342 2
29 NGC 4194 AGN 12 14 09.615 +54 31 35.93   13.79 13.30     ~ 406 2
30 NGC 4449 EmG 12 28 11.118 +44 05 36.81 10.11 9.98 9.64 9.45   ~ 1006 1
31 NGC 4490 GiP 12 30 36.368 +41 38 37.07 10.03 10.22 9.79     ~ 520 3
32 NGC 4670 IG 12 45 17.150 +27 07 31.76   12.6       ~ 227 0
33 NGC 4945 Sy2 13 05 27.279 -49 28 04.44   9.31 14.40 7.55   ~ 1244 2
34 NAME Centaurus A Sy2 13 25 27.61509104 -43 01 08.8056025   8.18 6.84 6.66   ~ 3937 3
35 M 51 GiP 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 3723 4
36 M 83 SBG 13 37 00.919 -29 51 56.74 8.85 8.11 7.52 7.21   ~ 2188 2
37 NAME Circinus Galaxy Sy2 14 13 09.906 -65 20 20.47   10.89 9.84 10.6 10.0 ~ 988 2
38 NGC 6052 IG 16 05 12.8707837896 +20 32 32.613940524 13.01 13.44 13.00     ~ 330 2
39 NGC 6240 Sy2 16 52 58.861 +02 24 03.55   14.31 13.37     ~ 1459 2
40 APG 293 G 16 58 27.8 +58 56 48           ~ 113 0
41 NGC 6286 GiG 16 58 31.381 +58 56 10.21   14.2       ~ 165 1
42 NGC 6574 GiG 18 11 51.2462161679 +14 58 54.740459628   12.5       ~ 169 0
43 NGC 6810 Sy2 19 43 34.4167294956 -58 39 20.123164126   12.34 11.22 10.71   ~ 141 0
44 NGC 6822 G 19 44 56.199 -14 47 51.29   18 8.1     ~ 1417 0
45 NGC 6946 H2G 20 34 52.332 +60 09 13.24   10.5       ~ 2203 2
46 SH 2-125 HII 21 53 30 +47 21.2           ~ 38 1
47 NGC 7552 GiP 23 16 10.767 -42 35 05.39 11.34 11.22 10.57 10.08 11.1 ~ 497 3
48 NGC 7673 EmG 23 27 41.060 +23 35 20.18 12.84 13.17 12.76     ~ 262 1
49 NGC 7771 GiG 23 51 24.880 +20 06 42.57 13.42 13.08 12.25     ~ 309 4
50 Mrk 331 GiP 23 51 26.731 +20 35 10.22   14.9       ~ 211 0

    Equat.    Gal    SGal    Ecl

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2020.02.27-21:56:56

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