2011A&A...533A.129V


C.D.S. - SIMBAD4 rel 1.7 - 2021.02.28CET11:21:35

2011A&A...533A.129V - Astronomy and Astrophysics, volume 533A, 129-129 (2011/9-1)

Diffuse interstellar bands in Upper Scorpius: probing variations in the DIB spectrum due to changing environmental conditions.

VOS D.A.I., COX N.L.J., KAPER L., SPAANS M. and EHRENFREUND P.

Abstract (from CDS):

We study the effects of local environmental conditions affecting the diffuse interstellar band (DIB) carriers within the Upper Scorpius subgroup of the Sco OB2 association. The aim is to reveal how the still unidentified DIB carriers respond to different physical conditions prevailing in interstellar clouds, in order to shed light on the origin of the DIB carriers. We obtained optical spectra with FEROS on the ESO 1.52m telescope at La Silla, Chile, and measured the equivalent widths of five DIBs (at 5780, 5797, 6196, 6379, and 6613Å) as well as those of absorption lines of di-atomic molecules (CH, CH+, CN) and atoms (KI, CaI) towards 89 targets in the direction of Upper Scorpius. We construct a simple radiative transfer and chemical network model of the diffuse interstellar medium (ISM) sheet in front of Upp Sco to infer the effective radiation field. By measuring the DIB and molecular spectrum of diffuse clouds towards 89 sightlines in the Upper Scorpius region, we have obtained a valuable statistical dataset that provides information on the physical conditions that influence the band strengths of the DIBs. Both the interstellar radiation field strength, IUV, and the molecular hydrogen fraction, fH2, have been derived for 55 sightlines probing the Upp Sco ISM. We discuss the relations between DIB strengths, CH and CH+ line strengths, E(B–V), IUV, and fH2. The ratio between the 5780 and 5797 Å DIBs reveals a (spatial) dependence on the local environment in terms of cloud density and exposure to the interstellar radiation field, reflecting the molecular nature of these DIB carriers.

Abstract Copyright:

Journal keyword(s): astrochemistry - ISM: clouds - ISM: lines and bands - dust, extinction - ISM: individual objects: Upper Scorpius - ISM: molecules

Simbad objects: 109

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Number of rows : 109

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 11202 1
2 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 5856 1
3 V* CM Tau Psr 05 34 31.93830 +22 00 52.1758           ~ 4864 1
4 M 1 SNR 05 34 31.94 +22 00 52.2           ~ 5702 4
5 NAME Ori Region reg 05 35 17.30 -05 23 28.0           ~ 499 0
6 HD 47165 * 06 36 26.3000347673 -20 27 12.839944238   9.59 9.61     B9V 5 0
7 HD 47683 * 06 39 59.3983506797 +02 45 23.257940470   9.53 9.20     A7III 4 0
8 CCDM J06410+0542AB ** 06 41 00.045 +05 42 27.25   8.4 9.0     B9V 8 0
9 HD 47932 * 06 42 00.1603067455 +25 49 09.411794355   9.58 9.64     A0 3 0
10 HD 47701 * 06 43 37.5611218343 +58 27 39.061690051   9.20 8.15     K0 3 0
11 HD 49757 * 06 47 33.3446220941 -46 44 48.765408479   10.53 9.49     G8III/IV 4 0
12 NGC 5139 GlC 13 26 47.28 -47 28 46.1   6.12 5.33     ~ 3072 0
13 V* IT Lib Al* 15 33 18.9139086786 -25 01 37.014860709 8.34 9.04 9.09     B2/3(IV)(n) 31 0
14 HD 139094 ** 15 37 06.8863010980 -26 29 32.527782428   7.46 7.38     B8IV/V 52 0
15 HD 139160 SB* 15 37 28.4995295911 -26 16 47.505182140 5.76 6.171 6.194     B9IV 84 0
16 HD 139486 * 15 39 00.0582176008 -19 43 57.203171503   7.67 7.63     B9V 54 0
17 HD 139518 * 15 39 21.3702807734 -23 09 00.821381653   6.344 6.322     B9.5V 30 0
18 HD 140543 * 15 44 56.6611847490 -21 48 53.908555222 7.97 8.86 8.88     B1Iab/b(n) 48 0
19 HD 141180 * 15 48 42.9025051294 -27 34 56.273690737   8.25 8.26     B9III 29 0
20 HD 141444 * 15 50 11.4702345143 -28 42 15.545162040   9.06 8.94     B9.5V 15 0
21 HD 141774 * 15 51 29.8379826211 -20 35 14.460416091   7.78 7.70     B9V 41 0
22 * lam Lib SB* 15 53 20.0553041075 -20 10 01.442049195 4.43 4.997 5.027     B3V 203 0
23 * 2 Sco ** 15 53 36.71880 -25 19 37.7087 3.86 4.52 4.59     B2.5Vn 152 0
24 HD 142165 SB* 15 53 53.9144819386 -24 31 59.373187650 4.95 5.350 5.372     B5V 124 0
25 HD 142184 Be* 15 53 55.86404 -23 58 41.1522 4.77 5.352 5.402     B2V 204 0
26 HD 142250 * 15 54 30.1091550054 -27 20 19.084473313   6.07 6.10     B7V 101 0
27 * 3 Sco Ro* 15 54 39.5292926476 -25 14 37.459112692 5.23 5.81 5.87     B8III/IV 197 0
28 * 47 Lib Ro* 15 55 00.3736680551 -19 22 58.628549883   5.930 5.957     B2/3V 113 0
29 * rho Sco SB* 15 56 53.0762391 -29 12 50.661185 2.84 3.66 3.86 3.97 4.17 B2IV-V 190 0
30 HD 142883 Ce* 15 57 40.4640119599 -20 58 59.079892955   5.839 5.836     B3V 134 0
31 V* V928 Sco a2* 15 57 48.8022527990 -23 31 38.290688886   6.755 6.771     B8/9III 103 0
32 * 48 Lib Be* 15 58 11.3686950 -14 16 45.689426 4.61 4.77 4.87 4.91 4.96 B5IIIp_sh 428 0
33 V* V913 Sco Ro* 15 58 34.8664705139 -24 49 53.358222372 4.70 5.34 5.43     B5V 185 0
34 * pi. Sco bL* 15 58 51.1132378 -26 06 50.788602 1.82 2.71 2.91 3.00 3.20 B1V+B2:V: 378 0
35 * del Sco SB* 16 00 20.00528 -22 37 18.1431 1.30 2.20 2.32 2.36 2.49 B0.3IV 700 0
36 HD 143567 * 16 01 55.4546289923 -21 58 49.397570493   7.27 7.19 7.87   B9V 109 0
37 HD 143600 Ro* 16 02 13.5553868561 -22 41 15.213501423   7.40 7.33     B9.5V 73 0
38 HD 143956 * 16 04 00.2380444354 -19 46 02.926945351   7.91 7.77     B9V 40 0
39 HD 144175 * 16 05 19.1476601945 -23 40 08.829045668   7.70 7.64     B9V 37 0
40 * bet01 Sco SB* 16 05 26.2319826 -19 48 19.630018 1.68 2.55 2.62 2.60 2.69 B1V 536 0
41 * bet02 Sco SB* 16 05 26.5721765504 -19 48 06.862525792 4.19 4.87 4.89 5.58   B2V 202 0
42 HD 144334 ** 16 06 06.3880156603 -23 36 22.864006766 5.29 5.84 5.92     B8V 181 0
43 * ome Sco bC* 16 06 48.4269211 -20 40 09.090235 3.10 3.92 3.97 3.91 3.99 B1V 444 0
44 HD 144569 ** 16 07 04.6738866107 -16 56 35.755722772   8.06 7.90     B9.5V 34 0
45 HD 144586 * 16 07 14.9288660424 -17 56 09.736020891   7.91 7.81     B9V 38 0
46 * 11 Sco * 16 07 36.4157427037 -12 44 43.461505629   5.77 5.77     B9V 56 0
47 HD 144661 * 16 07 51.8887183774 -24 27 44.457002869 5.74 6.27 6.33     B8IV/V 148 0
48 HD 144844 V* 16 08 43.7199351602 -23 41 07.451972503 5.59 5.90 5.88     B9V 143 0
49 HD 144987 PM* 16 09 52.5899805597 -33 32 44.896551697   5.410 5.497     B8V 36 0
50 HD 145353 * 16 11 33.5226430236 -27 09 03.071317972 7.02 7.051 6.950     B9V 36 0
51 * nu. Sco ** 16 11 59.73568 -19 27 38.5361 3.42 4.05 4.00 3.90 3.87 B2V 359 0
52 NAME Upper Sco Association As* 16 12 -23.4           ~ 1085 1
53 * 12 Sco ** 16 12 16.03911 -28 25 02.3122           B9V 70 0
54 * c02 Sco SB* 16 12 18.2048972 -27 55 34.945744 3.66 4.413 4.568     B2V 168 0
55 HD 145554 * 16 12 21.8333006041 -19 34 44.570507060   7.77 7.64     B9V 79 0
56 HD 145556 * 16 12 43.5635196048 -28 19 18.098345830   8.98 8.92     B4II/III 16 0
57 HD 145631 * 16 12 44.1005300475 -19 30 10.346758641   7.73 7.60     B9V 83 0
58 HD 145657 * 16 13 09.5122659366 -29 38 50.140464191   9.06 8.91     B9.5V 12 0
59 HD 145792 a2* 16 13 45.49839 -24 25 19.5421         6.14 B6IV 117 0
60 HD 145964 * 16 14 28.8830612483 -21 06 27.490846733   6.407 6.405     B9V 74 0
61 HD 146029 * 16 14 53.3247309044 -22 22 49.097571935   7.438 7.378     B9V 58 0
62 HD 146001 * 16 14 53.4292593821 -25 28 37.101531466 5.73 6.09 6.05     B8V 139 0
63 NAME ASSOC II SCO As* 16 15 -24.2           ~ 1160 1
64 HD 146285 Ro* 16 16 25.1727655978 -24 59 19.465473164   8.12 7.94   7.47 B8V 67 0
65 HD 146284 * 16 16 26.6954135354 -24 16 55.008956397 6.7 6.835 6.712     B9III/IV 57 1
66 HD 146331 Ro* 16 16 50.6247453979 -25 51 46.704565035   8.69 8.30     B9V 35 0
67 HD 146332 * 16 16 52.5517538966 -29 44 37.377781937 7.55 7.78 7.65     B3III 41 1
68 HD 146416 * 16 16 58.7660845910 -21 18 14.873274219   6.608 6.601     B9V 78 0
69 HD 146706 V* 16 18 28.2570063201 -23 16 27.488685797 7.60 7.69 7.55     B9V 55 0
70 HD 147009 * 16 20 03.9803602207 -20 02 41.529111237   8.32 8.06     A0V 77 1
71 V* V933 Sco a2* 16 20 05.4924613867 -20 03 23.032932987   7.56 7.40     B9II/III 181 0
72 HD 147103 ** 16 20 30.2660054235 -20 07 03.777387864   7.87 7.56     B9/A0V 45 1
73 * sig Sco bC* 16 21 11.3157134 -25 35 34.051476 2.32 3.02 2.89 1.69 1.58 O9.5(V)+B7(V) 832 0
74 HD 147196 Be* 16 21 19.1910661422 -23 42 28.739826827 7.04 7.21 7.04     B5/8Vn 93 0
75 HD 147648 Ro* 16 24 02.9025356121 -25 24 54.116301067 10.39 10.20 9.42   8.20 B8II 58 0
76 HD 147701 Ro* 16 24 21.3184734300 -25 01 31.448891118 9.66 9.74 9.20   7.42 B5III 117 0
77 V* V760 Sco Al* 16 24 43.7186408435 -34 53 37.535017356   7.16 7.05     B4V 151 0
78 NAME rho Oph Complex reg 16 25 -23.5           ~ 76 1
79 HD 147888 ** 16 25 24.2937199705 -23 27 36.816821785 6.71 7.05 6.74     B3/4V 200 0
80 HD 147889 Y*O 16 25 24.3162969787 -24 27 56.570239619 8.56 8.73 7.90     B2III/IV 443 1
81 HD 147932 Ro* 16 25 35.0836168833 -23 24 18.788751256 7.24 7.59 7.27     B5V 110 0
82 * rho Oph ** 16 25 35.11766 -23 26 49.8150 4.30 4.85 4.63 4.27 3.96 B2IV+B2V 617 0
83 * rho Oph A * 16 25 35.1182364594 -23 26 49.827436721 4.3 5.22 5.05     B2/3V 399 0
84 HD 147955 * 16 25 50.6588812 -26 34 06.324334 7.24 7.59 7.27     B9V 41 0
85 HD 148041 * 16 26 46.5895572016 -33 04 23.103397401   9.49 9.17     B9IV 11 0
86 * chi Oph Be* 16 27 01.4349892 -18 27 22.493784 3.95 4.71 4.43 3.97 3.73 B2Vne 571 0
87 HD 147899 * 16 27 49.1983639958 -58 17 30.974233357   10.41 10.33     B9/A0V 6 0
88 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3131 1
89 NAME Scorpius Cloud MoC 16 29 00 -19 00.0           ~ 28 0
90 HD 148499 * 16 29 36.7343246643 -27 34 13.727306333   10.19 9.86     B9III 15 0
91 HD 148579 * 16 29 59.1965280845 -25 08 52.065773443 7.56 7.58 7.32     B9V 61 0
92 * i Sco * 16 30 12.4751393 -25 06 54.804270 3.93 4.72 4.79 4.85 4.99 B3V 286 1
93 HD 148594 * 16 30 15.6758112757 -27 54 58.508817188   6.964 6.892     B8V 56 0
94 HD 148860 Ro* 16 31 38.7064361492 -17 42 48.256766620   8.17 8.04     B9.5III 31 0
95 HD 149367 ** 16 35 15.2173745656 -26 28 42.109569306 8.54 8.67 8.52 9.38   B8/9IV/V 24 0
96 HD 149387 * 16 35 29.2260159367 -30 16 03.539963956   9.34 9.20     B7II/III 15 0
97 * tau Sco * 16 35 52.9528530 -28 12 57.661515 1.55 2.56 2.81 2.93 3.18 B0.2V 865 0
98 * zet Oph Be* 16 37 09.5390545 -10 34 01.529471 1.73 2.58 2.56 2.46 2.50 O9.2IVnn 1748 2
99 HD 149914 * 16 38 28.6526648658 -18 13 13.712378415   6.967 6.746     B9.5IV 53 0
100 HD 149883 * 16 38 36.2884706286 -26 59 21.641856734   8.55 8.44     B9IV 25 0
101 HD 150514 * 16 42 17.4083961567 -20 11 13.302361862 8.5 8.72 8.62     B8III 21 0
102 HD 150814 * 16 44 17.6658811462 -22 31 24.891516657   7.70 7.58     B9.5V 15 0
103 HD 151012 * 16 45 48.4635807914 -26 38 57.900680503   7.06 7.02     B9.5V 21 0
104 HD 151346 Ro* 16 47 46.5286728696 -23 58 27.511793350 8.12 8.31 7.90     B8II 80 0
105 HD 151496 * 16 48 36.2427540125 -21 56 28.026285624   9.20 9.01     B9V 13 0
106 NAME Scorpius Complex reg 16 51 00.0 -25 20 00           ~ 38 0
107 HD 152516 * 16 54 38.3942095752 -21 52 46.566734073 7.55 8.09 8.02     B2III 31 0
108 HD 152655 ** 16 55 32.53674 -21 34 10.2239   6.77 6.67     B9III 26 1
109 HD 152657 * 16 55 44.3773747918 -25 32 02.084473639   7.59 7.59     B8II 17 0

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2021.02.28-11:21:35

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