2013A&A...555A..25P


C.D.S. - SIMBAD4 rel 1.7 - 2021.04.12CEST02:27:44

2013A&A...555A..25P - Astronomy and Astrophysics, volume 555A, 25-25 (2013/7-1)

Automated measurements of diffuse interstellar bands in early-type star spectra. Correlations with the color excess.

PUSPITARINI L., LALLEMENT R. and CHEN H.-C.

Abstract (from CDS):

Stellar spectroscopic surveys may bring useful statistical information on the links between diffuse interstellar bands (DIBs) and the interstellar environment. DIB databases can also be used as a complementary tool for locating interstellar (IS) clouds. Our goal is to develop fully automated methods of DIB measurements to be applied to extensive data from stellar surveys. We present a method that is appropriate for early-type nearby stars, along with its application to high-resolution spectra of ∼130 targets recorded with the ESO FEROS spectrograph and comparisons with other determinations. Using a DIB average profile deduced from the most reddened stars, we performed an automated fitting of a combination of a smooth stellar continuum, the DIB profile, and, when necessary, a synthetic telluric transmission. Measurements are presented for 16 DIBs in the optical domain that could be extracted automatically: 4726.8, 4762.6, 4963.9, 5780.4, 5797.1, 5849.8, 6089.8, 6196.0, 6203.0-6204.5, 6269.8, 6283.8, 6379.3, 6445.3, 6613.6, 6660.7, and 6699.3Å. Two approaches to determining equivalent width (fitted equivalent width and continuum-integrated equivalent width) were tested and the two determinations were found to agree within the uncertainties, except for the 6203-6204 multiple band, and are compatible with previous non automated measurements. Errors arising from statistical noise and continuum placement were estimated conservatively by means of the ``sliding window'' method. We derived the mean relationship between the DIB equivalent width and the color excess. Parameters of the linear correlation relationships are positively compared with published values, and most correlation coefficients were found to be higher than those based on an earlier type, UV bright target stars, which confirms previous results on the influence of the radiation field. We provide the first correlation parameters for the 5849.8, 6089.8, 6269.8, 6445.3, 6660.7, and 6699.3Å bands in the Galaxy. The coefficients are within the same range as for other optical bands. Automated DIB equivalent width extractions can be performed for nearby early-type stars without significant losses in accuracy. This opens the perspective of building extended DIB catalogs based on high-resolution spectroscopic surveys. We discuss the limitations of this method in the case of distant stars and potential improvements.

Abstract Copyright:

Journal keyword(s): ISM: lines and bands - dust, extinction

VizieR on-line data: <Available at CDS (J/A+A/555/A25): tablea1.dat>

Simbad objects: 134

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Number of rows : 134

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 HD 225206 * 00 04 22.9077075675 -29 22 53.663296535   7.71 7.74     B8/9V 54 0
2 HD 480 * 00 09 08.5816554467 -50 10 00.486309486   6.92 7.06     B5V 21 0
3 HD 1348 * 00 12 33.9641470978 -88 21 46.333664646   7.26 7.21     B9.5IV 25 0
4 HD 955 * 00 13 55.6007172748 -17 32 43.332248066 6.52 7.203 7.361     B3/5V 47 0
5 * pi. Tuc * 00 20 39.0424293413 -69 37 29.705337534   5.450 5.499     B9V 65 0
6 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 11265 1
7 HD 9478 * 01 31 02.0170397663 -66 29 47.955425104   8.24 8.28     B9V 9 0
8 M 33 GiG 01 33 50.904 +30 39 35.79 6.17 6.27 5.72     ~ 5277 1
9 HD 10161 * 01 38 49.9948774240 -25 01 19.908388603   6.606 6.689     B9V 46 0
10 HD 16891 * 02 39 31.7280650011 -64 16 54.178324857   6.465 6.532     B9V 37 0
11 HD 18546 * 02 57 32.6271907439 -38 11 27.322031434   6.383 6.411     A0Vn 21 0
12 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 5901 1
13 HD 21360 * 03 24 36.2024457616 -51 03 45.565077183   6.51 6.53     A0V 10 0
14 HD 24446 * 03 53 08.3672618748 -06 38 01.490756187   6.450 6.556     B7II/III 28 0
15 HD 27528 * 04 20 09.0779210986 -16 26 14.173351052   6.759 6.790     B9V 29 0
16 HD 29506 * 04 37 59.1640850611 -20 41 16.829586575   7.14 7.25     B6V 11 0
17 HD 32043 * 05 00 11.8076259131 -06 18 03.526161777   7.84 7.83     A0III/IV 11 0
18 HD 33244 ** 05 01 09.44386 -74 20 27.0471   6.98 7.01     B9.5V 14 1
19 HD 35021 * 05 20 55.1606125339 -21 02 23.611608271   7.53 7.63     B8V 10 0
20 * kap Pic * 05 22 22.1470229730 -56 08 03.825965635   5.997 6.086     B8/9V 42 0
21 HD 36965 * 05 33 51.9866627262 -29 50 57.203151985   6.51 6.53     A0IV 30 0
22 * 29 Dor Be* 05 36 54.9787986048 -66 33 37.029476469   6.221 6.274     B9.5V 46 0
23 HD 37717 * 05 38 43.5266927664 -40 42 26.299292155   5.721 5.804     B8V 32 0
24 HD 39294 * 05 50 09.3449421938 -32 48 33.336473197   6.86 6.82     A1V 12 0
25 * kap Men PM* 05 50 16.7864871336 -79 21 40.900669491   5.375 5.451     B9V 44 0
26 HD 40355 ** 05 57 39.5786371953 -15 24 22.048028956   7.08 7.18     B8IV 14 0
27 * eta01 Dor * 06 06 09.3815420998 -66 02 22.630442068   5.679 5.690     A0V 66 0
28 HD 42834 * 06 10 39.9290542100 -45 16 55.165678006   6.262 6.272     A0V 28 0
29 HD 44533 * 06 14 41.9412677077 -73 37 35.433553663   6.56 6.59     B8V 17 0
30 HD 44737 * 06 21 11.2910904048 -44 45 30.858086158   7.56 7.67     B7V 10 0
31 HD 45098 * 06 23 45.2490363499 -37 00 52.536599034   6.782 6.878     B5V 16 0
32 HD 45557 * 06 24 13.8422275462 -60 16 52.761283140   5.767 5.766     A0V 42 0
33 HD 46976 * 06 30 27.7237836659 -68 56 51.666214356   7.86 7.92     B9V 10 0
34 HD 48150 V* 06 39 46.8141781537 -43 24 10.430577465   7.28 7.41     B3V 31 0
35 HD 48261 * 06 41 07.8008251054 -30 38 44.155236598   7.170 7.225     B9V 14 0
36 HD 49336 Be* 06 46 12.1493304736 -37 46 31.166802495   6.072 6.192     B6Vne 46 0
37 HD 49573 * 06 48 27.3961364226 -12 50 26.218513472   6.92 7.02     B8II/III 14 0
38 HD 50093 * 06 50 36.9593795206 -25 46 42.215893971 5.35 6.131 6.314     B2III/IV 47 0
39 HD 52266 SB* 07 00 21.0761535622 -05 49 35.948161271 6.32 7.22 7.23     O9.5IIIn 108 0
40 HD 60102 * 07 11 38.4093776434 -84 28 09.759878802   7.55 7.54     B9/9.5V 20 0
41 HD 60325 * 07 33 22.1852536156 -14 20 17.899241400 5.46 6.17 6.21     B2II 77 0
42 HD 60929 * 07 34 51.0538185646 -44 17 46.083211931   6.780 6.798     A0V 12 0
43 HD 61554 * 07 39 07.0961687623 -18 40 42.205567198   6.633 6.710     B5/7V 34 0
44 HD 61672 * 07 39 26.9809485543 -26 51 47.202644230   6.385 6.485     B5/7V 37 0
45 * d01 Pup * 07 39 27.3383375 -38 18 28.878559 3.99 4.65 4.84 4.92 5.08 B3V 96 0
46 HD 62503 * 07 42 30.6133767049 -39 12 04.527929298   7.202 7.259     B9V 28 0
47 HD 63868 * 07 49 14.3049698029 -40 42 03.835387031 5.65 6.354 6.506     B3V 27 0
48 HD 69253 * 08 14 29.6510536700 -40 49 33.140379676 5.87 6.44 6.57     B3V 25 0
49 HD 70948 V* 08 22 57.1631912875 -43 13 40.345064251   6.97 7.08     B5V 15 0
50 HD 71518 * 08 27 26.8665980938 -14 56 06.760659913 5.8 6.502 6.662     B2V 37 0
51 HD 72787 * 08 33 19.8603719616 -38 22 14.425090320 5.66 6.306 6.461     B2/3V 45 0
52 HD 75009 * 08 45 47.4877744116 -44 14 52.848044432   6.581 6.677     B8IV/V 19 0
53 V* AI Pyx Ir* 08 46 49.2399388967 -34 37 22.601013069   6.192 6.324     B3V 36 0
54 HD 79752 * 09 15 24.9477470796 -15 01 29.676713705   6.330 6.318     A0V 42 0
55 HD 80590 * 09 19 47.9335743189 -34 06 11.959369174   6.296 6.384     B8V 30 0
56 HD 83153 * 09 34 49.2334130452 -50 33 45.064497511   8.02 8.00     B3/4III 19 0
57 HD 84552 * 09 44 37.3381986555 -48 32 55.909681950   6.586 6.679     B6/7V 17 0
58 HD 85604 * 09 51 38.8085952981 -46 30 44.214712525   6.60 6.70     B8/9V 9 0
59 HD 86612 Be* 09 59 06.3039004330 -23 57 02.770373603 5.51 6.13 6.25 6.14 6.19 B5Ve 91 0
60 * del02 Cha * 10 45 47.0048737 -80 32 24.678498 3.56 4.258 4.433     B3V 65 0
61 HD 93331 * 10 46 24.8252884281 -13 27 35.498087498   7.28 7.26 7.25 9.062 B9.5V 14 0
62 HD 95178 * 10 59 17.8504260383 -10 19 31.583770566   7.24 7.24     B9V 8 0
63 HD 98161 PM* 11 17 12.0071566874 -38 00 51.717044777   6.336 6.235     A1V 34 0
64 HD 98867 * 11 22 21.4818767188 -39 06 17.796684029   7.34 7.33     B9.5V 12 0
65 * tet Crt PM* 11 36 40.9133537 -09 48 08.091238   4.604 4.673     B9.5V 201 0
66 HD 103077 * 11 52 04.1210421186 -49 24 04.101853330   6.88 6.99     B5V 18 0
67 HD 105078 V* 12 05 56.6623198480 -35 41 38.111702490   6.138 6.226     B8V 31 0
68 HD 105313 V* 12 07 32.7368672292 -45 34 52.172676768   7.317 7.302     B9V 35 0
69 HD 106461 * 12 18 46.0901168472 -88 24 53.706971893   6.56 6.62     B9V 14 0
70 HD 107931 * 12 24 21.3962534092 -47 22 22.571930762   6.56 6.61     B9V 17 0
71 HD 108107 PM* 12 25 11.7646806651 -11 36 38.118943808   5.971 5.926     A1V 32 0
72 HD 108267 * 12 26 31.5013298207 -44 44 55.460518039   7.79 7.60     A3V 13 0
73 HD 108344 * 12 29 00.5270740655 -83 48 09.607719644   6.62 6.63     B8V 19 0
74 * q Vir PM* 12 33 46.7478862 -09 27 07.477523   5.45 5.48     B9V 64 0
75 HD 113709 * 13 07 34.8098660892 -73 35 08.556811244   7.72 7.70     B9V 12 1
76 HD 114887 ** 13 15 18.2086786437 -70 28 40.666245821   7.50 7.48     B3/5III 18 0
77 HD 116226 * 13 23 02.5993719721 -48 33 46.039613384 5.84 6.272 6.360     B5V 52 0
78 HD 116663 * 13 25 48.9984640055 -47 31 30.328359155   8.81 8.71     B9V 22 0
79 HD 117484 * 13 31 30.9681845789 -46 44 06.849371809   7.56 7.53     B9.5V 27 0
80 HD 119283 * 13 43 57.3459111109 -59 14 09.561375766   6.46 6.49     B8V 18 0
81 HD 120958 Be* 13 53 28.2274018138 -39 03 25.923178208 6.74 7.49 7.61     B3Vnne 29 0
82 HD 124834 Be* 14 19 57.3705459828 -73 58 06.405138854   6.57 6.62     B3III/IV 29 0
83 HD 126131 * 14 23 57.6991599365 -16 06 06.878014598   6.77 6.69     A1V 23 0
84 * zet Cir Pu* 14 54 42.5848266926 -65 59 27.973697047   6.03 6.09     B2/3Vn 49 0
85 HD 132101 * 14 59 19.2954290789 -51 34 34.078612672   6.73 6.78     B5V 19 0
86 HD 133529 * 15 05 47.7268659869 -25 47 22.128445627   6.66 6.66     B8.5V 35 0
87 HD 135961 * 15 25 00.0180575482 -76 31 28.614824739   7.21 7.22     B9V 11 0
88 HD 139909 * 15 41 15.9724058287 -13 58 13.139760144   6.91 6.86     B9.5V 20 0
89 HD 140037 * 15 42 40.0947716075 -32 11 09.717684463   7.40 7.48     B5III 31 0
90 HD 140619 * 15 46 40.3599727115 -48 44 12.559070194   6.72 6.76     B9III 13 0
91 HD 141327 * 15 49 43.1035857797 -32 48 29.823754587   7.46 7.46     B9V 39 0
92 HD 142315 SB* 15 54 41.5960624501 -22 45 58.512729751   6.887 6.861     B9V 102 0
93 HD 143321 * 16 02 04.4756352828 -51 07 14.779114038   6.374 6.387     B5V 20 1
94 HD 143326 * 16 08 11.7125196973 -77 17 20.261308028   7.39 7.43     B8V 11 0
95 HD 146029 * 16 14 53.3247309044 -22 22 49.097571935   7.438 7.378     B9V 58 0
96 HD 146254 V* 16 15 51.4949266216 -14 50 56.813904820   6.165 6.083     A0III 47 0
97 HD 146295 * 16 20 34.0667016778 -68 32 11.942338334   7.14 7.19     B8/9V 14 0
98 HD 147932 Ro* 16 25 35.0836168833 -23 24 18.788751256 7.24 7.59 7.27     B5V 111 0
99 HD 149425 * 16 36 28.6729883582 -40 18 10.918036105   7.20 7.10     B9V 34 0
100 HD 150548 * 16 45 27.7257803344 -60 33 48.895070294   7.45 7.55     B3V 17 0
101 V* V2355 Oph EB* 16 50 55.4775387448 -16 32 48.931228839   7.27 7.07     B5V 29 0
102 NAME Scorpius Complex reg 16 51 00.0 -25 20 00           ~ 38 0
103 HD 157524 * 17 28 07.8649200303 -63 02 10.467120446   6.127 6.208     B7/8V 25 0
104 HD 164716 * 18 02 46.2713647161 -05 21 29.110706966   6.92 6.76     B9IV 37 0
105 HD 164776 * 18 04 37.6925390368 -40 38 15.257525342   7.10 7.18     B5V(n) 11 0
106 HD 165052 SB* 18 05 10.5506202440 -24 23 54.850635234 6.16 6.98 6.87 7.77   O5.5:Vz+O8:V 252 1
107 HD 165365 Be* 18 06 45.7920027452 -28 21 49.766346363   7.07 7.11     B7/8III 20 0
108 * phi Oct * 18 23 36.4489563457 -75 02 39.392103359   5.495 5.456     A0V 33 0
109 HR 6989 ** 18 38 04.4789647691 -14 00 17.183935558   6.68 6.47     B8II/III 32 1
110 HD 172016 * 18 39 17.8769645043 -34 09 58.741752604   6.65 6.65     B9.5V 11 0
111 HD 172488 * 18 40 48.0510490620 -08 43 07.690095284 7.76 8.16 7.62     B0Iab/b 67 0
112 HD 171722 * 18 42 30.0034447034 -70 18 11.394601917   7.21 7.24     B9V 12 0
113 HD 172882 * 18 56 00.0240189735 -80 43 40.391686602   6.59 6.56     A0V 17 0
114 V* V599 Aql EB* 19 02 34.1441905514 -10 43 18.392196425 6.41 6.830 6.647     B3II/III 83 0
115 * lam Aql PM* 19 06 14.9397099975 -04 52 57.231496924 3.07 3.34 3.43 3.46 3.55 B8.5V 211 0
116 HD 179029 * 19 12 34.5412903219 -37 31 26.533195308   7.22 7.15     B5V 17 0
117 * eta Tel PM* 19 22 51.2064652963 -54 25 26.152538950   5.035 5.020   4.99 A0V+M7/8V 194 0
118 HD 182254 * 19 31 01.0357380439 -73 59 06.807612530   7.34 7.40     B8/9Vn 11 0
119 HD 186837 * 19 50 21.7565898129 -61 03 40.034043495   6.063 6.206     B5V 44 0
120 HD 188246 * 19 56 05.2333238662 -44 00 43.965198651   7.097 7.157     B8/9V 30 0
121 HD 195843 * 20 34 47.3914054163 -30 28 24.497263446   6.331 6.402     B8V 25 0
122 HD 195805 * 20 37 11.0479141645 -65 01 59.807067564   6.62 6.69     B8/9V 10 0
123 HD 196413 * 20 37 48.9220380497 -17 07 20.840950079 6.87 7.04 7.08     B9V 14 0
124 HD 197630 PM* 20 46 20.0672762002 -39 11 57.363348044   5.382 5.470     B8/9V 38 0
125 HD 201057 PM* 21 07 44.6942826188 -17 27 21.248951002   6.14 6.17     B9.5V 28 0
126 HD 201317 * 21 10 10.0030280187 -43 22 57.816407362   6.476 6.560     B8V 13 0
127 HD 202299 V* 21 18 00.4896504676 -64 40 53.696145938   6.249 6.313     B8V 23 0
128 HD 204827 SB* 21 28 57.7601719555 +58 44 23.223287944 8.63 8.74 7.94 7.25 6.76 O9.5IV 315 0
129 HD 205705 * 21 37 37.6734185242 -19 13 51.656504405   7.36 7.44     B8V 18 0
130 HD 205348 * 21 38 17.0209665841 -69 37 48.627077947   6.669 6.765     B8V 14 0
131 HD 207158 * 21 48 54.4327539651 -56 16 26.438983292   6.46 6.54     B9V 11 0
132 HD 207603 * 21 50 46.2758171336 -27 55 56.529194269   7.45 7.52     B8/9V 18 0
133 HD 209386 * 22 03 39.0950481770 -29 20 47.613250690   7.30 7.37     B8V 9 0
134 * 85 Aqr * 23 05 52.5313388637 -07 56 12.168896697   6.69 6.69     B9V 10 0

    Equat.    Gal    SGal    Ecl

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2021.04.12-02:27:45

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