2020A&A...641A..35S


C.D.S. - SIMBAD4 rel 1.7 - 2020.11.28CET21:57:10

2020A&A...641A..35S - Astronomy and Astrophysics, volume 641A, 35-35 (2020/9-1)

Dark dust and single-cloud sightlines in the ISM.

SIEBENMORGEN R., KRELOWSKI J., SMOKER J., GALAZUTDINOV G. and BAGNULO S.

Abstract (from CDS):

The precise characteristics of clouds and the nature of dust in the diffuse interstellar medium can only be extracted by inspecting the rare cases of single-cloud sightlines.In our nomenclature such objects are identified by interstellar lines, such as KI, that show at a resolving power of λ/Δλ ∼ 75 000 one dominating Doppler component that accounts for more than half of the observed column density. We searched for such sightlines using high-resolution spectroscopy towards reddened OB stars for which far-UV extinction curves are known. We compiled a sample of 186 spectra, 100 of which were obtained specifically for this project with UVES.In our sample we identified 65 single-cloud sightlines, about half of which were previously unknown. We used the CH/CH+ line ratio of our targets to establish whether the sightlines are dominated by warm or cold clouds. We found that CN is detected in all cold (CH/CH+>1) clouds, but is frequently absent in warm clouds. We inspected the WISE (3-22µm) observed emission morphology around our sightlines and excluded a circumstellar nature for the observed dust extinction. We found that most sightlines are dominated by cold clouds that are located far away from the heating source. For 132 stars, we derived the spectral type and the associated spectral type-luminosity distance. We also applied the interstellar CaII distance scale, and compared these two distance estimates with Gaia parallaxes. These distance estimates scatter by ∼40%. By comparing spectral type-luminosity distances with those of Gaia, we detected a hidden dust component that amounts to a few mag of extinction for eight sightlines. This dark dust is populated by ≥1µm large grains and predominately appears in the field of the cold interstellar medium.

Abstract Copyright: © ESO 2020

Journal keyword(s): ISM: clouds - dust, extinction - ISM: lines and bands - stars: early-type

Status at CDS : Large table(s) of objects being ingested in VizieR.

Simbad objects: 193

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Number of rows : 193

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 Ass Per OB 2 As* 03 42.2 +33 26           ~ 309 0
2 * omi Per ** 03 44 19.13204 +32 17 17.6929 3.13 3.88 3.83 3.71 3.71 B1III 576 0
3 HD 281159 Y*? 03 44 34.197 +32 09 46.27 9.19 9.21 8.53   7.850 B5V 205 2
4 * 31 Tau ** 03 52 00.2291740237 +06 32 05.659794373 5.3         B5V 100 0
5 * ksi Per ** 03 58 57.9022917 +35 47 27.713205 3.190 4.080 4.060 3.88 3.89 O7.5III(n)((f)) 793 0
6 * 62 Tau * 04 23 59.7629429746 +24 18 03.527426906 6.18 6.499 6.337     B 193 0
7 HD 30123 Em* 04 45 34.6853258144 +19 19 41.869479943 10.674 8.97 8.61     B8III 33 0
8 HD 284841 * 04 45 48.6586744212 +19 16 56.142448850 11.498 9.59 9.29     B9II 20 0
9 HD 284839 * 04 46 22.3565760385 +19 12 18.879930233 11.591 9.89 9.74     B8 23 0
10 HD 30470 * 04 48 24.9385831432 +10 55 09.136340022   9.69 9.39     A2 14 0
11 HD 30492 * 04 48 34.4885492448 +10 56 44.082631387   9.30 9.02     A0 12 0
12 HD 287150 * 04 48 41.3909490117 +10 52 02.315274028   9.53 9.23     A2:V 30 0
13 HD 294264 Or* 05 35 13.3450074822 -04 51 44.914591404   10.02 9.77     B3 59 0
14 * tet01 Ori A Ae* 05 35 15.8252169327 -05 23 14.332546552 5.87 6.75 6.73 6.42 6.21 B0V 460 1
15 * tet01 Ori C ** 05 35 16.46375 -05 23 22.8486 4.20 5.15 5.13 4.91 4.73 O7Vp 1285 1
16 * tet01 Ori D Y*O 05 35 17.2574309230 -05 23 16.567215876 6.08 6.79 6.70 6.40 6.20 B1.5Vp 307 0
17 * tet02 Ori A SB* 05 35 22.9022511214 -05 24 57.817182421 5.37 6.30 6.39 6.30 6.35 O9.5IVp 500 0
18 HD 37130 * 05 36 03.5676834663 -04 45 07.632048255   10.15 10.1     B8/9IV 37 0
19 HD 37367 * 05 39 18.3132076044 +29 12 54.788289500 5.6 6.116 5.984     B2IV-V 122 0
20 HD 294304 * 05 40 57.4660684470 -02 44 16.395533043 10.18 10.32 10.03     B5 14 0
21 NGC 2023 RNe 05 41 37.9 -02 15 52           ~ 574 1
22 HD 37903 Em* 05 41 38.3889407943 -02 15 32.476182358 7.32 7.94 7.83 7.64 7.52 B3IV 326 1
23 HD 38023 Y*O 05 42 21.3018448607 -08 08 00.180841159   9.18 8.87     B5III 42 1
24 * chi02 Ori s*b 06 03 55.1848402263 +20 08 18.441609669 4.24 4.91 4.63 4.32 4.10 B2Ia 430 0
25 HD 45314 Be* 06 27 15.7780829067 +14 53 21.219330074 5.91 6.79 6.64     O9:npe 155 0
26 HD 46056 Em* 06 31 20.8609777928 +04 50 03.842065994 7.60 8.36 8.16 8.16 8.09 O8Vn 206 0
27 HD 46106 Y*O 06 31 38.3971787779 +05 01 36.401702672 7.33 8.08 7.93 7.76 7.66 O9.7III(n) 143 0
28 HD 259105 * 06 31 52.0018328025 +04 55 57.252839748 8.88 9.57 9.38     B1V 56 0
29 HD 46149 SB* 06 31 52.5314050362 +05 01 59.186016432 7.03 7.80 7.61 7.54 7.36 O8.5V 259 0
30 HD 46223 Y*O 06 32 09.3066083011 +04 49 24.707398183 6.73 7.50 7.28 6.95 6.79 O4V((f)) 357 0
31 HD 46202 ** 06 32 10.4728 +04 57 59.818 7.60 8.36 8.19 7.98 7.86 O9.2V 258 0
32 HD 46485 Y*O 06 33 50.9569280058 +04 31 31.615740046 7.92 8.60 8.27   8.10 O7V((f))nzvar? 130 0
33 HD 46711 * 06 34 57.0490504701 +02 45 43.213866940 10.09 10.09 9.25 8.45 7.77 B8Ia/ab 60 0
34 HD 46660 * 06 35 00.3655688153 +11 07 27.919243204 7.74 8.27 8.04     B1V 38 1
35 HD 46883 * 06 36 09.7214897450 +10 17 05.589237262 7.67 8.16 7.78     B0.5:V 51 0
36 HD 47107 * 06 37 14.3730813024 +05 48 22.025977632 7.24 7.95 8.00     B1Vn 28 0
37 HD 47382 * 06 38 28.6380207441 +04 36 25.886037860 6.55 7.31 7.14     B6Ib 45 0
38 LS VI +09 13 Y*O 06 40 37.2570487561 +09 47 29.771911125 11.119 11.41 10.83 10.294 9.579 B1V 50 0
39 HD 292167 * 06 44 53.8146202973 +00 37 12.597356688 9.1 9.82 9.63 9.21   A3Ia 40 0
40 HD 50562 * 06 52 58.4673670599 -21 50 06.998286893 8.36 9.49 9.41 9.44   B2/3III 36 0
41 HD 54306 * 07 07 52.9183330452 -11 54 50.421676217 8.12 8.74 8.72     B2III 42 0
42 HD 54439 * 07 08 23.1959336829 -11 51 08.563720611 6.98 7.73 7.68 8.58   B2/3II 52 0
43 HD 60479 * 07 33 34.3208364353 -27 58 38.309158898 8.08 8.74 8.41 8.04 7.79 O9.5Ib 50 0
44 HD 62542 * 07 42 37.2148100663 -42 13 47.830173869   8.21 8.03     B3V 130 0
45 HD 64315 Em* 07 52 20.2841727949 -26 25 46.683038109 8.76 9.49 9.24 9.63 8.86 O5.5Vz+O7V 105 1
46 HD 68633 ** 08 10 53.1455665432 -51 11 26.084064067   8.19 7.96     B5V 27 0
47 HD 70614 * 08 21 10.2968990460 -42 24 42.401208816   9.66 9.29     B5/7 14 0
48 HD 72648 * 08 32 18.9894948853 -43 55 53.363755710 7.15 7.75 7.62     B1/2Ib 51 1
49 HD 73882 EB* 08 39 09.53412 -40 25 09.2608 7.07 7.59 7.19 6.67 6.30 O8.5IV 222 2
50 HD 75309 V* 08 47 27.9649087955 -46 27 03.957882089 7.05 7.82 7.84 8.77   B2Ib/II 65 0
51 HD 79186 s*b 09 11 04.3980185567 -44 52 04.441120785 4.65 5.22 5.00 4.71 4.49 B5Ia 128 0
52 HD 83597 Be* 09 37 50.8930786409 -53 40 49.246380733 8.55 9.21 9.09 9.69   B2Ve 37 0
53 HD 89137 * 10 15 40.0856062390 -51 15 24.090337747 7.02 7.93 7.97 8.82   ON9.7II(n) 87 1
54 HD 91824 SB* 10 34 46.6320753376 -58 09 22.038009914 7.17 8.11 8.14 9.02   O7V((f))z 131 0
55 HD 91943 Pu* 10 35 42.0070286836 -58 11 34.375764723 5.91 6.74 6.70 7.70   B0.7Ib 98 0
56 CPD-57 3509 * 10 35 48.9970512149 -58 14 54.300958077 10.16 10.82 10.70 10.59 10.49 B2III 32 0
57 HD 91969 * 10 35 49.3175809360 -58 13 27.411203873 5.57 6.41 6.43 7.56   B0Ib 108 0
58 HD 91983 * 10 35 54.2057719272 -58 15 26.967899416 7.79 8.62 8.55 8.49 8.42 O9.5/B0I/II 73 0
59 HD 92007 Pu* 10 36 01.5929584023 -58 15 09.585280464 8.26 9.00 8.92 9.57 8.74 B1III 59 0
60 HD 92044 * 10 36 16.0791681031 -58 16 38.158187219 7.72 8.40 8.25 8.10 7.91 B1II 62 0
61 HD 93129A SB* 10 43 57.4584179931 -59 32 51.395115271 6.46 7.478 7.310 7.84   O2If* 150 0
62 V* V560 Car SB* 10 44 33.7392630703 -59 44 15.434160993 6.89 7.80 7.75 7.56 7.46 O3.5V((f))+O8V 280 0
63 HD 93222 * 10 44 36.2479580459 -60 05 28.886871750 7.26 8.15 8.10 8.91   O7V((f))z 183 0
64 CD-59 3300 * 10 44 41.7970027863 -59 46 56.403492769 8.07 8.79 8.57 9.33   O6V((f)) 129 0
65 HD 93250 * 10 44 45.0270200315 -59 33 54.681395850 6.73 8.12 7.50 8.38   O4III(fc) 294 0
66 HD 303308 ** 10 45 05.9146041531 -59 40 05.922859453 7.45 8.30 8.17 7.92 7.75 O4.5V((fc)) 280 0
67 HD 93632 * 10 47 12.6336476063 -60 05 50.813668231 7.89 8.69 9.10 9.04   O5Ifvar 80 0
68 HD 93843 Er* 10 48 37.7714362588 -60 13 25.516378731 6.37 7.29 7.33 8.23   O5III(fc) 157 0
69 HD 94493 V* 10 53 15.0993762232 -60 48 53.196012889 6.43 7.75 7.59 8.17   B0.5Iab/b 85 0
70 HD 94663 * 10 54 34.6550248502 -58 48 00.979177663 8.7 9.52 9.4 9.76 9.228 O9.5III 38 0
71 HD 96042 Em* 11 03 40.5635485636 -59 25 59.085728622 7.63 8.41 8.23 9.26   B1(V)ne 59 0
72 HD 96675 pr* 11 05 57.8104415475 -76 07 48.883424761   7.82 7.68   8.48 B6IV/V 70 0
73 V* EM Car Al* 11 12 04.5059542892 -61 05 42.941349454 8.06 8.80 8.54 9.25   O7.5V((f))+O7.5V((f)) 151 0
74 HD 99264 * 11 24 11.1273384498 -72 15 23.788395771 5.08 5.585 5.583     B2/3V 73 0
75 HD 99872 * 11 28 18.41395 -72 28 26.3265 5.83 6.221 6.115     B4/5V 73 1
76 HD 99890 * 11 29 05.7549113639 -56 38 39.319771477 7.31 9.62 9.26 9.17   OB 62 0
77 V* TU Mus bL* 11 31 10.9242217305 -65 44 32.098796901 7.58 9.52 9.34 9.25   O8V(n)z+B0V(n) 153 0
78 HD 101008 * 11 36 56.1751833307 -63 23 52.509207094 8.32 9.14 9.16 9.70   B1II/III 69 0
79 HD 101190 * 11 38 09.9112605648 -63 11 48.613340265 6.58 7.37 7.33 8.48   O6IV((f)) 152 0
80 HD 101205 bL* 11 38 20.36114 -63 22 21.8889 5.64 6.51 6.47 7.41   B7/8Ib 145 2
81 HD 103779 * 11 56 57.5477276437 -63 14 56.724935031 6.35 7.185 7.220 8.32   B0/1II 90 0
82 HD 104565 s*b 12 02 27.7963615668 -58 14 34.357788781 9 9.55 9.27 9.65   OC9.7Iab 44 0
83 HD 104705 Pu* 12 03 23.9087495479 -62 41 45.831105033 6.94 9.56 9.11 8.85   B0III/IV 100 0
84 HD 105056 s*b 12 05 49.8805966991 -69 34 22.993604342 6.57 9.07 8.74 8.45   ON9.7Iae 121 1
85 HD 108927 * 12 32 19.7295088681 -78 11 38.855613888   7.83 7.76     B5V 31 0
86 HD 110336 * 12 43 05.3294333356 -77 21 03.798527214   8.99 8.64     B9IV 18 0
87 HD 110715 * 12 44 48.8155319131 -64 57 51.738927796 9.19 9.03 8.65     B9V 14 0
88 HD 110863 Be* 12 45 53.95808 -60 33 05.4635 8.88 9.42 9.13 9.61   B2II/III 48 1
89 V* LN Mus bL* 12 46 28.7259435181 -64 55 03.602005157 8.79 9.41 9.16     B1III 36 0
90 * kap Cru SB* 12 53 48.9195114429 -60 22 34.468234629 5.62 6.12 5.94 7.12   B2/3Ia 121 0
91 HD 111990 * 12 53 59.7990827718 -60 20 07.505578149 6.46 6.95 6.77 7.68   B1/2Ib 77 1
92 HD 112244 s*b 12 55 57.1346044550 -56 50 08.891958192 4.49 5.33 5.32 5.21 5.21 O8.5Iab(f)p 196 0
93 HD 112607 * 12 59 01.3164071816 -63 38 26.242515568 7.98 8.24 8.10     B7/8III 31 0
94 HD 112954 * 13 01 23.2270966673 -62 55 30.235600380   8.86 8.38     B9IV 20 0
95 HD 122669 Be* 14 05 22.0344717644 -62 30 26.626013434 8.60 9.32 8.96 9.46   O/Be 48 0
96 HD 122879 V* 14 06 25.1577457205 -59 42 57.253857893 5.90 6.64 6.50 6.33 6.18 B0Ia 159 1
97 HD 123008 s*b 14 07 30.6440577747 -64 28 08.780113899 8.58 10.00 9.50 9.44   ON9.2Iab 100 0
98 V* V883 Cen EB* 14 08 56.2528178442 -59 16 36.153455505 5.89 6.352 6.339     B3III/V 60 0
99 * v Cen * 14 20 19.5426210 -56 23 11.389952 4.04 4.47 4.35 4.20 4.06 B5Ib/II 77 0
100 V* V Cen cC* 14 32 33.0828020969 -56 53 15.774776152 8.44 7.84 6.93   5.798 F5Ib/II 243 0
101 V* BU Cir bC* 14 45 10.9590303998 -55 36 05.908252090 5.23 6.016 6.089     B2III 89 0
102 HD 134591 * 15 11 51.0100691947 -34 45 47.418799170 8.08 8.38 8.37     B5III 18 0
103 HD 141318 Pu* 15 51 06.8044833762 -55 03 19.931264880 5.13 5.756 5.767 7.08   B2III 82 0
104 HD 141926 Be* 15 54 21.7677314365 -55 19 44.309668396 8.71 9.47 9.13 9.38   B2IIIn 59 0
105 HD 143054 * 16 00 23.7316436551 -50 51 51.866798969   9.71 9.43     B3II/III 6 0
106 * ome Sco bC* 16 06 48.4269211 -20 40 09.090235 3.10 3.92 3.97 3.91 3.99 B1V 442 0
107 NAME ASSOC II SCO As* 16 15 -24.2           ~ 1149 1
108 HD 146285 Ro* 16 16 25.1727655978 -24 59 19.465473164   8.12 7.94   7.47 B8V 66 0
109 HD 146284 * 16 16 26.6954135354 -24 16 55.008956397 6.7 6.835 6.712     B9III/IV 56 1
110 * 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) 830 0
111 HD 147196 Be* 16 21 19.1910661422 -23 42 28.739826827 7.04 7.21 7.04     B5/8Vn 91 0
112 HD 147331 * 16 23 56.5238541789 -52 17 52.283093717 8.44 9.05 8.75 9.41   O9.5/B0Ia 58 0
113 HD 147701 Ro* 16 24 21.3184734300 -25 01 31.448891118 9.66 9.74 9.20   7.42 B5III 114 0
114 HD 147888 ** 16 25 24.2937199705 -23 27 36.816821785 6.71 7.05 6.74     B3/4V 198 0
115 HD 147889 pr* 16 25 24.3162969787 -24 27 56.570239619 8.56 8.73 7.90     B2III/IV 439 1
116 * rho Oph A * 16 25 35.1182364594 -23 26 49.827436721 4.3 5.22 5.05     B2/3V 394 0
117 HD 148379 Be* 16 29 42.3271423063 -46 14 35.632001296 5.51 5.95 5.37 4.85 4.39 B2Iab 167 0
118 HD 148579 * 16 29 59.1965280845 -25 08 52.065773443 7.56 7.58 7.32     B9V 60 0
119 HD 148594 * 16 30 15.6758112757 -27 54 58.508817188   6.964 6.892     B8V 54 0
120 * mu. Nor s*b 16 34 05.0202815 -44 02 43.128156 4.05 4.99 4.94 6.36   O9.7Iab 260 0
121 * zet Oph Be* 16 37 09.5390545 -10 34 01.529471 1.73 2.58 2.56 2.46 2.50 O9.2IVnn 1739 2
122 HD 149408 LP* 16 38 07.4458371663 -59 44 38.136767571   11.26 9.61     M2/3 7 0
123 HD 151346 Ro* 16 47 46.5286728696 -23 58 27.511793350 8.12 8.31 7.90     B8II 78 0
124 HD 151804 s*b 16 51 33.7215112148 -41 13 49.928887100 4.45 5.29 5.22     O8Iaf 356 0
125 HD 326364 * 16 52 37.4395356133 -42 16 43.857362643 9.34 9.95 9.66 9.91   B0 40 0
126 HD 152096 * 16 53 15.0116630770 -41 22 13.826739626 8.81 9.56 9.48     B2Ib/II 27 0
127 HD 326309 * 16 53 58.7767622526 -41 27 51.656843089 9.71 10.28 10.01     B5 24 0
128 HD 152235 s*b 16 53 58.8524252928 -41 59 39.573669251 6.47 6.92 6.38 5.84 5.42 B0.5Ia 178 0
129 * zet01 Sco s*b 16 53 59.7270104119 -42 21 43.313745214 4.80 5.31 4.79 4.32 3.86 B1Ia-0ek 350 0
130 HD 152245 * 16 54 00.4795665238 -40 31 58.153117466 7.71 8.49 8.37     B0Ib 53 0
131 HD 152234 s*b 16 54 01.8374467 -41 48 23.007764 4.92 5.64 5.45     B0.5Ia 183 0
132 HD 152233 SB* 16 54 03.5915443398 -41 47 29.834880322 5.93 6.72 6.59     O6II(f) 180 0
133 HD 152247 SB* 16 54 11.5170221125 -41 38 30.969538639 6.62 7.35 7.16 8.09   O9.2III 117 0
134 HD 152249 s*b 16 54 11.6391931444 -41 50 57.294733186 5.91 6.65 6.45     OC9Iab 221 0
135 V* V964 Sco bC* 16 54 18.3198070659 -41 51 35.656007460 9.126 9.776 9.603 9.61 9.290 B0.5V 52 0
136 HD 326332 Y*? 16 54 35.8130692991 -41 50 12.218233526 9.275 9.903 9.669 9.96 9.275 B9 45 0
137 V* V920 Sco bC* 16 54 43.1658006843 -41 49 35.459209540 9.153 9.795 9.601 9.95 9.256 B1V 58 0
138 HD 152560 * 16 55 55.2053480022 -41 01 30.502316984 7.49 8.23 8.10 9.13   B2(V)n 44 0
139 V* V861 Sco bL* 16 56 35.9778166346 -40 49 24.445763363 5.86 6.51 6.22 5.92 5.64 B2Iab/b 213 0
140 HD 153919 HXB 17 03 56.7728262865 -37 50 38.912077679 6.06 6.78 6.51 6.08 5.90 O6Iafcp 762 1
141 HD 154445 * 17 05 32.2588605026 -00 53 31.438713756 5.10 5.73 5.61 5.39 5.34 B1V 239 0
142 HD 155756 * 17 15 50.1486904652 -45 54 38.761770748 9.39 9.81 9.55 9.68   O9Ibp 25 0
143 V* U Oph Al* 17 16 31.7132736201 +01 12 37.996480495   5.941 5.921     B3V 366 1
144 HD 161653 * 17 48 28.1361063365 -38 08 00.600907043 6.45 7.22 7.20 8.32   B2II 44 0
145 * 63 Oph * 17 54 54.0431493243 -24 53 13.544413171 5.35 6.24 6.20 7.33   O8II((f)) 168 0
146 HD 163181 bL* 17 56 16.0778240765 -32 28 29.975354207 6.47 6.99 6.61     O9.5Ia/ab 161 0
147 HD 164402 SB* 18 01 54.3808744917 -22 46 49.057918136 4.88 5.77 5.77 5.74 5.69 B0Iab/b 163 1
148 HD 164073 * 18 02 00.5632615123 -48 48 37.655791051 7.55 8.05 8.03     B3III/IV 22 0
149 HD 164536 * 18 02 38.6257234063 -24 15 19.425884950 6.46 7.37 7.40 8.26   O7.5V(n)z 58 0
150 NAME Herschel 36 ** 18 03 40.321 -24 22 42.86 10.26 10.88 10.30 10.27   O7:V 181 2
151 HD 164816 Be* 18 03 56.8425960137 -24 18 45.119229391 6.17 7.06 6.986 8.08 6.989 O9.5V+B0V 141 0
152 HD 164863 * 18 04 12.6415805077 -22 30 03.259421147 6.36 7.17 7.22 8.28   OB+ 25 1
153 HD 315032 Y*O 18 04 15.0267934871 -24 23 27.715886777 9.170 9.164 9.122 9.71 9.039 B0IV 56 0
154 HD 315023 * 18 04 20.5583032258 -24 13 54.792067227 9.65 10.182 10.028 10.24 9.753 OB 28 0
155 HD 315033 * 18 04 23.2281621482 -24 26 16.717071101 8.42 9.02 8.90     B1V 42 0
156 HD 164906 Be* 18 04 25.8333235219 -24 23 08.369754699 6.78 7.61 7.381 7.11 6.91 B0Ve 118 0
157 HD 315031 SB* 18 04 28.0254548544 -24 21 42.787145059 7.68 9.17 9.09 9.16   B0.5IV/V+B1V 48 0
158 HD 315024 * 18 04 29.2699228867 -24 19 25.114636250 8.9 9.77 9.68 9.92   B0IV 33 0
159 HD 164747 * 18 04 35.1949761402 -41 24 14.391997982   10.31 10.06     A8IV/V 4 0
160 HD 315021 Y*O 18 04 35.9940715458 -24 19 52.032244943 8.892 8.553 8.509 9.41 8.397 B0V 54 0
161 HD 164947B Y*O 18 04 41.642 -24 20 55.31   9.852 9.801 10.07 9.58 ~ 8 0
162 HD 164947A Y*O 18 04 41.675 -24 20 58.70   9.464 9.406 9.85   ~ 6 0
163 HD 166734 s*b 18 12 24.6552422490 -10 43 53.059483541 9.36 9.49 8.42 7.33 6.47 O7.5Iabf 161 0
164 * 15 Sgr s*b 18 15 12.9061049161 -20 43 41.787295583 4.64 5.42 5.37 5.27 5.19 O9.7Iab 236 0
165 HD 167771 SB* 18 17 28.5572968350 -18 27 48.426044262 5.81 6.65 6.54 7.43   O7III((f))+O8III 174 0
166 HD 167838 V* 18 17 37.7107293223 -15 25 50.561773114 6.83 7.19 6.73 7.60   B3Ia/ab 90 0
167 HD 167971 s*b 18 18 05.8954978252 -12 14 33.324312346 7.89 8.27 7.50 6.68 6.279 O8Iaf(n)+O4/5 273 0
168 HD 168075 SB* 18 18 36.0420462726 -13 47 36.450104043 8.62 9.22 8.77 9.45   O7V(n)((f))z 133 0
169 HD 168076 ** 18 18 36.4221548165 -13 48 02.462547922 8.12 8.72 8.25 7.62 7.21 O4III(f) 182 0
170 HD 168137 SB* 18 18 56.1894792010 -13 48 31.090538024 8.72 9.36 8.94 9.55   O8Vz 110 0
171 HD 168750 bC* 18 22 20.9644059753 -26 24 59.211195634 7.61 8.31 8.21 9.13   B1Ib 20 0
172 HD 168941 * 18 23 25.5604185404 -26 57 10.849966234 8.53 9.36 9.37 9.81   O9.5IVp 91 0
173 HD 169454 s*b 18 25 15.1938696996 -13 58 42.305035144 7.39 7.61 6.71 5.82 5.13 B1Ia 311 0
174 HD 169582 s*b 18 25 43.1467026751 -09 45 11.036987380 8.74 9.24 8.70     O6Iaf 84 0
175 HD 170634 Y*O 18 30 24.8758104983 +01 13 23.640283460 10.53 10.43 9.85     B8/9(IV) 43 1
176 HD 170740 SB* 18 31 25.6939093858 -10 47 45.006621390 5.51 5.96 5.72     B2/3II 173 1
177 HD 172028 SB* 18 37 56.6193996607 -00 23 09.063879534   8.39 7.92     B3II/III 49 1
178 HD 172175 s*b 18 39 03.7746385133 -07 51 35.440959633 9.63 10.00 9.54     O6.5I(n)fp 52 0
179 HD 172140 bC* 18 39 48.2537049436 -29 20 21.355026216 9.02 9.90 10.0     B1II 47 0
180 HD 175156 * 18 54 43.1142638 -15 36 10.935636   5.208 5.086     B3II 106 0
181 HD 177989 * 19 07 37.7606873326 -18 43 34.508944384 8.39 9.22 9.34     B2II 85 0
182 * 2 Vul Pu* 19 17 43.6353095659 +23 01 31.939943157 4.64 5.43 5.43     B0.5IV 133 1
183 HD 185418 * 19 38 27.4810594267 +17 15 26.046198639 7 7.639 7.485     B0.5V 119 0
184 HD 185859 Em* 19 40 28.3246756731 +20 28 37.473468460 6.290 6.890 6.520 6.18 5.92 B0.5Iae 126 0
185 * 55 Cyg s*b 20 48 56.2911163453 +46 06 50.883966851 4.83 5.28 4.86 4.41 4.10 B4Ia 473 0
186 HD 200775 Ae* 21 01 36.9184805541 +68 09 47.770037306 7.34 7.754 7.427 8.13   B2Ve 514 0
187 HD 204827 SB* 21 28 57.7601719555 +58 44 23.223287944 8.63 8.74 7.94 7.25 6.76 O9.5IV 306 0
188 HD 203532 * 21 33 54.5737752124 -82 40 59.110819449 6.15 6.51 6.38     B3IV/V 85 0
189 HD 206267 SB* 21 38 57.6182747705 +57 29 20.557311013 5.09 5.83 5.62   5.56 O6.0V((f))+O9:V 456 0
190 HD 207198 * 21 44 53.2790298387 +62 27 38.042162728 5.61 6.25 5.94 5.66 5.49 O8.5II 324 0
191 * 19 Cep * 22 05 08.7884887056 +62 16 47.323982519 4.36 5.19 5.11 4.95 4.92 O9Ib 364 0
192 HD 210121 * 22 08 11.9025501667 -03 31 52.770012247   7.84 7.68     B7II 152 0
193 * 1 Cas * 23 06 36.8178557 +59 25 11.135698 3.93 4.771 4.840     B0.5III 231 0

    Equat.    Gal    SGal    Ecl

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2020.11.28-21:57:10

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