2015ApJS..216...22B

Query : 2015ApJS..216...22B

2015ApJS..216...22B - Astrophys. J., Suppl. Ser., 216, 22 (2015/February-0)

A sensitive spectral survey of interstellar features in the near-UV [3050-3700 Å].

BHATT N.H. and CAMI J.

Abstract (from CDS):

We present a comprehensive and sensitive unbiased survey of interstellar features in the near-UV range (3050-3700 Å). We combined a large number of VLT/UVES archival observations of a sample of highly reddened early-type stars–typical diffuse interstellar band targets–and unreddened standards. We stacked the individual observations to obtain a reddened "superspectrum" in the interstellar rest frame with a signal-to-noise ratio exceeding 1500. We compared this to the analogous geocentric and stellar rest frame superspectra as well as to an unreddened superspectrum to find interstellar absorption features. We find 30 known features (11 atomic and 19 molecular) and tentatively detect up to 7 new interstellar absorption lines of unknown origin. Our survey is sensitive to narrow and weak features; telluric residuals preclude us from detecting broader features. For each sightline, we measured fundamental parameters (radial velocities, line widths, and equivalent widths) of the detected interstellar features. We also revisit upper limits for the column densities of small, neutral polycyclic aromatic hydrocarbon molecules that have strong transitions in this wavelength range.

Abstract Copyright: ∼

Journal keyword(s): ISM: atoms - ISM: molecules - line: identification - methods: observational - stars: early-type

VizieR on-line data: <Available at CDS (J/ApJS/216/22): tablea1.dat tablea2.dat>

Simbad objects: 94

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Number of rows : 94
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 QSO J0003-2323 QSO 00 03 44.9144535192 -23 23 55.073021280     16.7     ~ 79 0
2 * alf And a2* 00 08 23.25988 +29 05 25.5520 1.48 1.95 2.06 2.09 2.19 B8IV-VHgMn 479 1
3 * alf Eri Be* 01 37 42.84548 -57 14 12.3101 -0.36 0.30 0.46 0.49 0.60 B6Vpe 495 1
4 HD 19698 * 03 10 38.7931409328 +11 52 21.426528036   5.901 5.970     B8V 50 0
5 * tau08 Eri SB* 03 53 42.7023562560 -24 36 44.021417544   4.496 4.623     B6V 123 0
6 * kap Lep Pu* 05 13 13.8770294280 -12 56 28.652839152 3.92 4.35 4.44     B7V 106 0
7 * gam Ori V* 05 25 07.86325 +06 20 58.9318 0.54 1.42 1.64 1.73 1.95 B2III 542 1
8 HD 35777 * 05 26 59.1636422280 -02 21 38.338860168 5.71 6.44 6.62     B3V 92 0
9 HD 36430 * 05 31 20.8933113744 -06 42 30.168166680 5.29 6.041 6.208     B3V 144 0
10 V* V1045 Ori a2* 05 34 53.9637586032 -04 06 37.494251928 6.08 6.569 6.709     B9III 148 0
11 HD 36960 * 05 35 02.6823091513 -06 00 07.308349203 3.52 4.50 4.72     B0.5V 283 0
12 * lam Ori A Em* 05 35 08.2760807112 +09 56 02.991326316 2.17 3.48 3.47     O8III((f)) 527 0
13 HD 37058 Or* 05 35 33.3539646576 -04 50 15.181113696 6.40 7.18 7.30     B3/5II 177 0
14 * ome Ori Be* 05 39 11.1457980782 +04 07 17.288290296 3.73 4.48 4.59 4.57 4.67 B3Ve 424 1
15 HD 43285 Be* 06 15 40.1766992112 +06 03 58.206616128 5.42 5.94 6.07     B6Ve 115 0
16 HD 49131 Be* 06 45 31.1887692456 -30 56 56.329692216 4.48 5.55 5.68 7.15   B1.5Vne 82 0
17 HD 51876 * 06 58 24.2463028944 -16 03 16.574838660   7.042 7.131     B9IIw 24 0
18 * 19 Mon bC* 07 02 54.7772531316 -04 14 21.235613879 3.87 4.80 5.00 5.06 5.25 B2Vn(e) 205 0
19 HD 60498 * 07 33 25.1898640464 -33 23 59.638065396   7.23 7.35     B4IV 44 0
20 V* V341 Pup a2* 07 55 21.7596105168 -28 17 02.279606496 6.54 7.064 7.180     B8/9II 36 0
21 HD 67536 Pu* 08 04 42.9317148096 -62 50 10.843210284   6.136 6.241     B2Vn 72 1
22 HD 68761 * 08 12 27.3688949448 -36 59 21.236727696 5.53 6.430 6.532 7.43   B1/2III 63 0
23 HD 72067 Be* 08 29 07.56710 -44 09 37.4914 4.99 5.67 5.84     B2/3V 108 0
24 HD 72127B Y*O 08 29 27.4169386536 -44 43 24.758075856   6.821 6.976     B2.5V 16 0
25 HD 76131 * 08 51 45.5508173088 -55 48 31.875933456   6.634 6.684     B6III 26 0
26 HD 89587 * 10 19 02.5650424728 -50 42 57.955904856 6.13 6.738 6.875     B3III 32 0
27 HD 94963 Em* 10 56 35.7867321168 -61 42 32.287821516 6.35 7.17 7.26 8.10   O7II(f) 93 0
28 HD 96917 V* 11 08 42.6179945208 -57 03 56.913146676 6.46 7.29 7.21 7.04 6.89 O8Ib(n)(f) 114 0
29 * pi. Cen ** 11 21 00.4170807171 -54 29 27.964002014           B5Vn 127 0
30 * lam Cen * 11 35 46.8780907704 -63 01 11.405976996 2.96 3.10 3.14 3.10 3.11 B9III 138 0
31 HD 105056 s*b 12 05 49.8804411912 -69 34 22.996270632 6.57 9.07 8.74 8.45   ON9.7Iae 135 1
32 HD 105071 * 12 05 53.6200137672 -65 32 48.754130532 6.05 6.436 6.303     B8Ia 55 0
33 HD 106068 * 12 12 21.9798609024 -62 57 02.785963212 5.90 6.28 5.98 5.64 5.39 B8Ia/ab 85 0
34 * gam Crv PM* 12 15 48.37081 -17 32 30.9496 2.12 2.47 2.58 2.62 2.71 B8III 249 1
35 * gam Mus SB* 12 32 28.0129260853 -72 07 58.763241944 3.12 3.73 3.88 3.91 4.08 B5V+A: 155 0
36 HD 109867 s*b 12 38 52.3591679664 -67 11 34.979127864 5.5 6.263 6.265 7.45   B0.5/1Iab 103 0
37 HD 110432 HXB 12 42 50.2663572384 -63 03 31.052981412 4.79 5.58 5.31     B0.5IVpe 334 0
38 HD 112244 s*b 12 55 57.1336250856 -56 50 08.900570292 4.49 5.33 5.32 5.21 5.21 O8.5Iab(f)p 217 0
39 HD 112842 * 13 00 31.5270309480 -60 22 31.322664660 6.83 7.234 7.072     B4II 54 0
40 HD 114213 * 13 10 21.3701195472 -61 28 20.891598132 9.86 9.88 8.96 9.40   B1Ib 87 0
41 HD 115363 s*b 13 18 06.8646697584 -63 41 13.636931100 7.95 8.46 7.87 8.72   B1Ia+ 85 0
42 HD 115842 s*b 13 20 48.3393402216 -55 48 02.482824528 5.70 6.39 6.09 5.77 5.52 B0.5Ia 162 0
43 * bet Cen bC* 14 03 49.40535 -60 22 22.9266     0.58     B1III 371 0
44 * a Cen Ro* 14 23 02.2387240143 -39 30 42.544559700 3.50 4.24 4.42 4.53 4.70 B2V 289 0
45 * b Cen ** 14 41 57.5905450998 -37 47 36.580200460 3.14 3.83 4.00 4.11 4.26 B2.5V 159 0
46 * 57 Hya Pu* 14 47 57.5567960832 -26 38 46.211278056   5.751 5.764     B9.5V 55 0
47 HD 136239 s*b 15 22 20.0795078784 -59 08 49.938478008 8.57 8.86 7.95 8.42   B2Iae 75 0
48 HD 142758 s*b 15 59 23.7399409248 -58 43 34.398774588 6.62 7.236 7.072 7.96   B1Ia 66 0
49 HD 143448 Be* 16 03 44.4675408984 -60 29 54.471253992 6.49 7.25 7.30 8.29   B0Ve: 86 0
50 * c02 Sco SB* 16 12 18.2046168820 -27 55 34.953285603 3.66 4.413 4.568     B2V 201 0
51 * sig Sco bC* 16 21 11.3157134 -25 35 34.051476 2.32 3.02 2.89 1.69 1.58 B1III+B1:V 898 0
52 HD 147701 Ro* 16 24 21.3184926168 -25 01 31.448678376 9.66 9.74 9.20   7.42 B5III 143 0
53 HD 147889 Or* 16 25 24.3163637976 -24 27 56.569805208 8.56 8.73 7.90     B2V 512 1
54 * rho Oph A SB* 16 25 35.1185711280 -23 26 49.831640736 4.3 5.22 5.05     B1V 444 0
55 * chi Oph Be* 16 27 01.4355697915 -18 27 22.499961252 3.95 4.71 4.43 3.97 3.73 B2Vne 624 0
56 HD 148379 s*b 16 29 42.3277745448 -46 14 35.630932596 5.51 5.95 5.37 4.85 4.39 B2Iab 191 0
57 HD 149404 s*b 16 36 22.5628499784 -42 51 31.902127776 5.23 5.88 5.52 6.90   O8.5Iab(f)p 265 0
58 * zet Oph Be* 16 37 09.5400587698 -10 34 01.509742704 1.73 2.58 2.56 2.46 2.50 O9.2IVnn 1908 0
59 HD 150136 SB* 16 41 20.4155898816 -48 45 46.730465028 4.98 5.78 5.65 6.93   O3.5-4III(f*)+O6IV 201 0
60 HD 152003 s*b 16 52 47.3744351712 -41 47 08.990966004 6.90 7.47 7.08 6.72 6.35 O9.7IabNwk 132 1
61 HD 152235 s*b 16 53 58.8528412848 -41 59 39.577848180 6.47 6.92 6.38 5.84 5.42 B0.5Ia 205 0
62 * zet01 Sco s*b 16 53 59.7271314888 -42 21 43.307334468 4.80 5.31 4.79 4.32 3.86 B1.5Ia+ 390 0
63 HD 154368 s*b 17 06 28.3687759224 -35 27 03.760593156 6.10 6.63 6.13 7.12   O9.5Iab 316 0
64 HD 154811 * 17 09 53.0865607752 -47 01 53.186262060 6.71 7.32 6.98 7.71   OC9.7Ib 94 0
65 HD 154873 ** 17 10 20.83989 -46 44 18.2787           B1Ib 51 0
66 HD 156575 * 17 20 37.6189137528 -46 02 46.442895360 6.91 9.43 8.99 8.65   B1Ib/II 37 0
67 HD 157038 s*b 17 22 39.2179927464 -37 48 16.699933296 6.99 7.20 6.44 5.70 5.15 B3Iap 115 0
68 HD 158148 SB* 17 26 49.1282232504 +20 04 51.515964804   5.388 5.514     B5V 80 0
69 HD 161056 * 17 43 47.0221609752 -07 04 46.594311996 6.26 6.68 6.32 5.94 5.67 B3II/III 201 0
70 V* V957 Sco BS* 17 52 13.6613130072 -34 47 57.109291728 5.16 5.80 5.90     B5IVp 146 0
71 HD 163800 * 17 58 57.2584170624 -22 31 03.165347496 6.61 7.27 7.00 6.68 6.49 O7.5III((f)) 161 0
72 HD 163758 s*b 17 59 28.3669369416 -36 01 15.589420824 6.46 7.35 7.32 8.38   O6.5Iafp 163 0
73 HD 163745 * 17 59 40.8481885920 -41 29 13.397327556 5.93 6.409 6.505     B5II 33 0
74 * 4 Sgr PM* 17 59 47.5564555824 -23 48 58.012965864   4.698 4.724     A0 95 0
75 HD 165470 * 18 07 54.3735964224 -38 33 55.524170772 6.52 7.17 7.34     B2III 26 0
76 HD 166197 V* 18 10 55.3486784976 -33 48 00.251316684 5.16 6.02 6.16     B2II/III 57 0
77 HD 166734 s*b 18 12 24.6551425392 -10 43 53.060750040 9.36 9.49 8.42 7.33 6.47 O7.5Iabf 193 0
78 HD 167971 s*b 18 18 05.8947362832 -12 14 33.313601112 7.89 8.27 7.50 6.68 6.279 O8Iaf(n)+O4/5 324 0
79 BD-14 5037 s*b 18 25 06.1817902200 -14 38 57.717990780 9.87 9.72 8.41 7.03 5.92 B1.5Ia+ 114 0
80 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
81 HD 170235 Be* 18 29 21.9858899664 -25 15 23.775582816 5.98 6.66 6.59     B1Vnne 112 0
82 HD 170740 SB* 18 31 25.6939245072 -10 47 45.008376432 5.51 5.96 5.72     B2V+ 210 1
83 HD 171432 * 18 35 36.7572972816 -18 33 02.249563392 6.59 7.30 7.12 8.07   B0.5Ib 50 0
84 HD 172028A * 18 37 56.6190511999 -00 23 09.066384988   8.52 8.01     ~ 56 0
85 HD 172028 SB* 18 37 56.63 -00 23 09.1           B3II 63 0
86 * gam Lyr * 18 58 56.6225626515 +32 41 22.400666366 3.140 3.200 3.250 3.27 3.28 B9.5II-III 296 0
87 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
88 HD 182985 * 19 28 46.8688715880 -36 00 00.934671348   7.58 7.46     A0V 21 0
89 HD 188220 * 19 54 40.9538844312 -15 54 49.067422200   8.32 8.02     A0V 28 0
90 * eps Cap Be* 21 37 04.8311169408 -19 27 57.640399810 3.69 4.35 4.55 4.60 4.74 B3V 266 0
91 HD 210121 * 22 08 11.9027578440 -03 31 52.765490316   7.84 7.68     B7II 185 0
92 * pi. Aqr Be* 22 25 16.6230017410 +01 22 38.634449478 3.64 4.60 4.64 4.48 4.48 B1III-IVe 436 0
93 * ome02 Aqr PM* 23 42 43.3453038933 -14 32 41.659905000   4.448 4.484     B9.5V 152 0
94 * sig Phe Pu* 23 47 15.9964216632 -50 13 35.251982724   5.000 5.166     B3V 67 0

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