2008A&A...488..969M

Query : 2008A&A...488..969M

2008A&A...488..969M - Astronomy and Astrophysics, volume 488969-973 (2008/9-4)

Diffuse interstellar bands in RAVE survey spectra.

MUNARI U., TOMASELLA L., FIORUCCI M., BIENAYME O., BINNEY J., BLAND-HAWTHORN J., BOECHE C., CAMPBELL R., FREEMAN K.C., GIBSON B., GILMORE G., GREBEL E.K., HELMI A., NAVARRO J.F., PARKER Q.A., SEABROKE G.M., SIEBERT A., SIVIERO A., STEINMETZ M., WATSON F.G., WILLIAMS M., WYSE R.F.G. and ZWITTER T.

Abstract (from CDS):

We have used spectra of hot stars from the RAVE Survey in order to investigate the visibility and properties of five diffuse interstellar bands previously reported in the literature. The RAVE spectroscopic survey for Galactic structure and kinematics records CCD spectra covering the 8400-8800Å wavelength region at 7500 resolving power. The spectra are obtained with the UK Schmidt at the AAO, equipped with the 6dF multi-fiber positioner. The DIB at 8620.4Å is by far the strongest and cleanest of all DIBs occurring within the RAVE wavelength range, with no interference by underlying absorption stellar lines in hot stars. It correlates so tightly with reddening that it turns out to be a reliable tool to measure it, following the relation EB–V=2.72(±0.03)xEW(Å), valid throughout the general interstellar medium of our Galaxy. The presence of a DIB at 8648Å is confirmed. Its intensity appears unrelated to reddening, in agreement with scanty and preliminary reports available in the literature, and its measurability is strongly compromised by severe blending with underlying stellar HeI doublet at 8649Å. The two weak DIBs at 8531 and 8572Å do not appear real and should actually be blends of underlying stellar lines. The very weak DIB at 8439Å cannot be resolved within the profile of the much stronger underlying hydrogen Paschen 18 stellar line.

Abstract Copyright: ∼

Journal keyword(s): ISM: general - ISM: lines and bands - surveys

Simbad objects: 76

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Number of rows : 76
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 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
2 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
3 * omi Per SB* 03 44 19.1337687984 +32 17 17.687367960 3.13 3.91 3.91 3.71 3.71 B1III 628 0
4 NGC 1448 EmG 03 44 31.915 -44 38 41.38   11.46   10.24 10.9 ~ 295 1
5 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
6 NAME Gal Anticenter reg 05 46 +28.9           ~ 1024 0
7 HD 142062 * 15 54 36.9136004568 -49 05 37.140978876   10.244 9.696 9.49 9.439 A1V 11 0
8 HD 146461 * 16 18 50.6968333272 -50 28 12.331697988   9.11 8.86     A1III/IVs 11 0
9 HD 146683 * 16 19 51.4572598248 -48 31 08.040244512   9.646 9.357     A1/2V 12 0
10 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3969 1
11 HD 148920 Pu* 16 33 33.5867979720 -46 40 42.350252736   8.41 8.44     B6V 11 0
12 HD 148953 * 16 33 51.9965735496 -47 06 23.707937556   10.37 10.22 10.22 10.00 A0IV/V 10 0
13 HD 149096 V* 16 34 42.2888012328 -46 41 12.884070552   9.26 9.09 9.01 8.801 B8III 12 0
14 HD 149278 * 16 35 55.8437523744 -46 28 55.970040144   9.19 9.14 9.11 9.158 B5V 15 0
15 HD 149341 * 16 36 07.6296121584 -46 00 43.135588080   10.46 10.11 9.91 9.622 A0III 11 0
16 HD 149388 ** 16 36 23.51535 -45 23 50.7138       9.592 8.995 B9IV 16 0
17 HD 149452 * 16 37 10.5115048704 -47 07 49.828653588 9.2 10.39 9.40 9.54 8.73 O9IVn 59 0
18 HD 149483 * 16 37 19.0522788072 -46 53 43.469832264   9.84 9.67 9.72 9.39 B7Ib/II 10 0
19 HD 149494 Pu* 16 37 23.9714231496 -46 36 45.188569656   9.85 9.66 9.56 9.45 B3III/IV 10 0
20 HD 149899 * 16 39 41.6839285656 -45 08 56.829514020   8.28 8.22   8.94 B8II/III 14 0
21 HD 149966 * 16 40 11.3485885440 -46 03 42.295509720   10.39 10.20 10.20 9.80 A2V 11 0
22 HD 150006 * 16 40 31.5558510048 -48 00 12.704759676 9.05 8.91 8.73 8.62 8.945 A0V 13 0
23 HD 150155 * 16 41 20.4513082488 -46 51 27.698271732   9.61 9.48 9.48 9.24 B2/3II 13 0
24 HD 150230 EB* 16 41 51.3471195120 -47 22 54.132919824   9.90 9.96 9.96 9.508 B3V 12 0
25 HD 150400 * 16 43 03.7356161472 -46 21 59.334252192   9.68 9.41 9.27 9.233 B8II 11 0
26 HD 150850 * 16 45 48.9556128672 -46 23 45.319229304   8.81 8.36 8.1 8.745 A0II 12 0
27 HD 328856 * 16 46 33.3553009152 -47 04 50.959695432 8.32 9.95 9.48 9.19 8.485 O9.7II 48 1
28 HD 151131 * 16 47 37.6219095336 -46 36 24.639845076   9.98 9.62 9.41   B9Ib/II 11 0
29 HD 329033 * 16 48 00.4118163600 -47 13 12.317596860 10.06 10.61 10.12 10.20 9.57 OB 28 0
30 V* V878 Ara EB* 16 49 48.7821086688 -47 07 45.812420868 7.78 8.17 8.06 7.98 8.651 B3II/III 30 0
31 HD 151536 Pu* 16 50 03.0020077560 -45 14 11.457511188   9.58 9.30 9.14 9.016 B2II 14 0
32 HD 152184 * 16 54 13.9665677880 -49 11 58.462206180   9.72 9.48 9.34   B8V 11 0
33 HD 152477 Pu* 16 55 53.6490838344 -48 08 51.966884940 9.5 9.66 9.10 8.73 9.314 B1Ib 30 0
34 HD 152687 * 16 57 04.4574257952 -46 08 37.467316068 8.82 8.83 8.69 8.65 8.992 B9Ve 24 0
35 HD 152799 * 16 57 42.8425482840 -45 57 41.263378848 8.40 8.89 8.74 8.63 8.636 B2/3III 37 0
36 HD 153052 ** 16 59 16.7050780464 -45 21 56.898944064   9.90 9.83 9.78 9.589 B9III 11 0
37 HD 153159 * 17 00 02.7951950352 -47 04 00.941523780 10.38 10.33 9.58 9.29   B5Ib 26 0
38 HD 153733 ** 17 03 03.4140517800 -42 59 35.232540000   9.90 9.73 9.65 9.39 A0III/IV 12 0
39 HD 155707 * 17 15 24.2314641048 -44 32 41.770107096   10.56 9.87     A3/5V+G/K 14 0
40 HD 155913 * 17 16 26.3328574536 -42 40 04.122580080 8.2 8.81 8.34 9.05   O4.5Vn((f)) 63 0
41 HD 156903 * 17 22 09.7482887112 -43 35 19.590133200   8.77 8.56     A0III 11 0
42 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
43 HD 164971 s*b 18 04 42.1231790472 -23 27 35.886133224 9.03 9.88 9.66 9.79   B0Ia 30 0
44 HD 165285 Be* 18 05 58.8372348528 -19 57 13.852804140 8.69 8.89 8.46 9.04   B0.5V:nne 55 0
45 HD 165689 ** 18 08 09.396432 -22 16 27.63804     8.51 8.856   B2IV 25 0
46 HD 165892 * 18 09 04.8112568448 -21 24 24.810606684 9.07 9.55 9.12 9.56   B2II 26 0
47 HD 165997 * 18 09 24.2222061648 -20 02 05.759338308   8.83 8.56     A1V 14 0
48 HD 165998 * 18 09 30.8608010400 -21 34 20.734352976   9.09 8.49     B9Ib 13 0
49 HD 166107 ** 18 10 06.8381721480 -23 46 22.605346452 7.29 8.04 7.96 8.83   B2V 46 0
50 HD 166167 * 18 10 14.1234448920 -21 19 37.808021532 9.18 9.50 9.12 9.25   B9.5Iab/b 35 0
51 HD 166787 V* 18 12 56.1529571040 -19 44 42.767476620 8.27 8.75 8.31 8.92   B0.5Ia 51 0
52 HD 166852 * 18 13 25.2579722040 -22 43 03.309854448 8.11 9.20 8.99 9.29   B0Ia/ab 33 0
53 HD 166963 * 18 13 42.0734069712 -16 34 19.398554076   10.06 9.99 9.95 9.713 B2Ib 15 0
54 HD 166996 * 18 13 49.3061158872 -15 48 32.510958408   9.91 9.52 9.72 9.25 B2(Ib) 22 0
55 HD 167201 * 18 15 05.5530558720 -22 35 52.105680312   9.68 9.25     B7Ib 8 0
56 HD 167266 * 18 15 23.1075967968 -22 44 22.328445768   9.54 9.33     A3IV 16 0
57 HD 167451 bC* 18 15 54.8606560392 -13 34 27.681555612 8.75 9.02 8.23 8.92   B1Ib 63 0
58 HD 167745 * 18 17 17.6942506656 -16 04 15.214019232   10.20 9.41 8.93 8.503 A2Ib 11 0
59 HD 168230 * 18 19 28.8381602376 -18 51 03.905965800 9.79 10.07 9.57 9.76 9.402 B2Ib/II 23 0
60 HD 168302 * 18 19 39.4166335416 -16 01 20.350260012 9.1 9.62 9.38 9.29 9.099 B3/5III 36 0
61 HD 168674 * 18 21 43.0070862840 -17 40 02.696214108   10.21 9.85 10.09 9.942 B2Iab/b 23 0
62 HD 168726 * 18 21 51.6564578976 -16 36 13.545969408   9.80 9.72 9.67 9.585 B3III 18 0
63 HD 168678 * 18 21 57.1107919152 -22 01 19.715027196   8.34 8.05     A2IV 12 0
64 HD 168765 * 18 22 09.1095963120 -17 25 38.354871072   9.61 9.39 9.28 9.274 B3II 13 0
65 HD 168917 * 18 22 44.7134987664 -14 21 48.569822964 8.29 9.77 8.87 9.21 8.958 B0/0.5II/III 47 0
66 HD 169034 V* 18 23 17.5688567016 -13 35 39.500605860 9.57 9.42 8.24 7.04 8.539 B2Ia 77 0
67 HD 169084 * 18 23 24.4039479576 -13 56 59.109466704   10.19 9.70     A1III 10 0
68 HD 169454 s*b 18 25 15.1937863728 -13 58 42.309359544 7.39 7.61 6.71 5.82 5.13 B1Ia+ 359 1
69 HD 169419 * 18 25 15.4820721720 -17 31 07.081097340 9.39 9.83 9.43 9.71 8.672 B2Ia/ab 31 0
70 HD 169827 * 18 27 11.2161783192 -17 16 44.859113004 8.24 8.54 8.33 8.22 8.483 B9/A0II 21 0
71 HD 170083 ** 18 28 12.2053540584 -16 01 59.994237684   9.51 9.20 9.02 9.033 B5Ib 11 0
72 HD 170297 * 18 29 15.2259305832 -16 33 08.834500980   10.14 9.70 9.44 9.448 A0III/IV 12 0
73 HD 170549 * 18 30 40.8680358048 -15 44 29.051072520   8.72 8.31 8.07 9.53 A2II 12 0
74 HD 170604 * 18 30 58.8304286616 -16 34 24.485812752 7.95 9.52 9.16 9.33 9.408 B1Ib 43 0
75 HD 170797 * 18 31 58.6116902352 -17 14 10.837585608   10.02 9.67 9.45 9.301 A0III 10 0
76 HD 183143 s*b 19 27 26.5636061496 +18 17 45.193019136 8.25 8.08 6.86 5.74 4.79 B7Ia+ 464 0

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