2001A&A...365..157B

Query : 2001A&A...365..157B

2001A&A...365..157B - Astronomy and Astrophysics, volume 365157-164 (2001/1-2)

Classification and properties of UV extinction curves.

BARBARO G., MAZZEI P., MORBIDELLI L., PATRIARCHI P. and PERINOTTO M.

Abstract (from CDS):

The catalog of Savage et al. (1985ApJS...59..397S) reporting colour excesses of 1415 stars from ANS photometry offers the opportunity to deeply investigate the characteristics of UV extinction curves which differ from the standard extinction of the diffuse interstellar medium. To this aim we have selected a sample of 252 curves, which have been compared with the relations derived by Cardelli et al. (1989ApJ...345..245C; CCM in the following) for a variety of RV values in the range 2.4-5 and have been classified as normal if they fit at least one of the CCM curves or anomalous otherwise. We find that normal curves with small RV are just as numerous as those with large RV. The anomalous objects are arranged into two groups according to the strength of the bump at 0.217µ. For a given value of c2 this increases along the sequence: type A anomalous, normals and type B anomalous, suggesting that this sequence should correspond to an increase of the amount of small grains along the sightline. Considerations concerning the environmental characteristics indicate that the anomalous behaviour is not necessarily tied to the existence of dense gas clouds along the line of sight.

Abstract Copyright: ∼

Journal keyword(s): stars: circumstellar matter - ISM: dust, extinction - ISM: general

Simbad objects: 157

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Number of rows : 157
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 V* AO Cas SB* 00 17 43.0633133256 +51 25 59.116450728 5.04 6.01 6.14     O9.2II+O8V((f)) 335 0
2 HD 3191 Pu* 00 35 50.8441094127 +61 27 35.317246697 8.57 8.99 8.60 8.89   B1IV:nn 64 0
3 HD 236589 * 00 58 01.8069792120 +56 25 52.074114744 8.78 9.42 9.34     B1II 31 0
4 HD 5552 s*b 00 58 17.0062050552 +61 55 50.847544452 9.5 9.75 9.1     B1Ia 30 0
5 BD+57 252 * 01 19 34.1802997848 +58 15 22.131283644 9.2 9.77 9.51     B1IV 48 0
6 BD+60 232 Em* 01 25 05.9686098144 +60 48 05.464239876 9.75 10.20 9.98     B2III 19 0
7 HD 232522 * 01 46 02.1915836784 +55 19 54.913539036 7.76 8.65 8.70     B1II 70 0
8 HD 236923 * 01 59 58.1871898968 +59 43 19.570992888 9.63 10.03 9.76     B1V 28 0
9 BD+62 338 ** 02 02 11.4419501544 +62 50 31.070953284 8.76   9.47 9.32   B3.0III 35 0
10 BD+54 490 bC* 02 14 20.1126996312 +55 03 33.634679940 8.96 9.59 9.53     B1V 32 0
11 HD 13659 * 02 15 06.4972244064 +56 55 35.491818468 8.8 9.05 8.71     B1Ib 67 0
12 HD 14014 bC* 02 18 00.0325766088 +56 13 57.341937648 8.23 8.95 8.86     B0.5V 43 0
13 HD 14092 * 02 18 41.8870553640 +56 45 40.754597292 8.87 9.44 9.28     B1V 42 0
14 HD 14250 Pu* 02 20 15.7232673384 +57 05 54.983862708 8.74 9.28 8.0358 8.66 7.5804 B1.5III 108 0
15 BD+56 549 * 02 20 52.7075211720 +57 27 26.236228824 9.65 10.23 9.97     B1V 29 0
16 HD 14501 Pu* 02 22 32.3175346872 +58 09 13.435685280 9.5 9.74 9.40     B3V:n 30 0
17 HD 14734 * 02 24 39.2412084912 +57 12 59.586327972   9.63 9.53     B0.5V 14 0
18 HD 14956 s*b 02 26 45.6955268424 +57 40 45.044622588 7.63 7.92 7.20 6.56 6.05 B1.5Ia 154 0
19 HD 21455 Be* 03 29 26.2864669176 +46 56 16.318187592   6.305 6.217 7.27   B7Vne 120 0
20 HD 24432 * 03 55 24.8538253080 +49 02 26.120104044 8.989 7.336 6.856     B3II 88 0
21 * ksi Per ** 03 58 57.9024302099 +35 47 27.709515737 3.190 4.080 4.060 3.88 3.89 O7.5III(n)((f)) 850 0
22 HD 25833A SB* 04 06 55.8286148575 +33 26 46.929071509   6.83 6.87     ~ 264 0
23 HD 25833 ** 04 06 55.8351101323 +33 26 47.009585515       7.71   B3Vn 269 0
24 HD 25638 EB* 04 07 49.2849421032 +62 19 58.626896088 6.82 7.26 6.93     O9.5Vn 227 1
25 * b02 Per * 04 20 11.5125754224 +50 55 15.365023320 4.78 5.507 5.545     B1.5IV 98 0
26 HD 29647 * 04 41 08.0448698568 +25 59 33.949206132 9.69 9.22 8.31 7.35 6.60 B9IIIpHgMn 217 0
27 HD 32672 * 05 06 34.2934737480 +38 31 20.090517168 7.34 7.87 7.77     B2IV 48 0
28 HD 33203 ** 05 10 18.80756 +37 18 06.6588           K:+B2II 78 0
29 HD 35215 * 05 24 28.3573078656 +30 11 30.936277356 8.82 9.49 9.42     B1V 47 0
30 HD 36629 Y*O 05 32 57.0824474232 -04 33 59.339585016 7.01 7.67 7.65 7.53 7.53 B2V 201 0
31 HD 36841 * 05 34 33.7209600072 -00 23 11.498840124 8.28 8.59 8.58     B8V 70 0
32 * tet01 Ori C SB* 05 35 16.4662967280 -05 23 22.921811880 4.20 5.15 5.13 4.91 4.73 O7Vp 1479 1
33 NAME Ori Trapezium OpC 05 35 16.5 -05 23 14           ~ 1708 1
34 HD 37061 Or* 05 35 31.3649044920 -05 16 02.582064192 6.44 7.09 6.83     O9.5V 376 0
35 HD 37356 V* 05 37 53.3851682160 -04 48 50.525298828 5.42 6.14 6.18 6.11 6.11 B3V 153 0
36 HD 37367 * 05 39 18.3135535104 +29 12 54.788852916 5.6 6.116 5.984     B2IV-V 141 0
37 HD 37366 SB* 05 39 24.8024332824 +30 53 26.763532368 6.99 7.71 7.64     O9.5IV 88 0
38 HD 37674 * 05 40 13.5394904328 -01 27 45.249257592   7.61 7.68     B5V(n) 65 1
39 HD 37903 Em* 05 41 38.3891026008 -02 15 32.479650720 7.32 7.94 7.83 7.64 7.52 B3IV 385 0
40 HD 37767 * 05 42 41.4768311544 +36 08 59.441707356 8.61 9.03 8.93     B3V 47 0
41 HD 38087 Or* 05 43 00.5754723576 -02 18 45.389406240 7.96 8.40 8.29 8.06 7.89 B3II 182 1
42 BD+34 1150 Em* 05 43 06.3824689416 +34 20 55.116654036 9.29 9.67 9.53     B2V 25 0
43 BD+34 1162 * 05 45 12.2816655192 +34 05 45.581686152 8.47 9.04 8.95     B2V:nn 21 0
44 HD 39680 Be* 05 54 44.7315378936 +13 51 17.064365364 7.05 8.01 7.99     O6V:[n]pevar 128 0
45 HD 249845 V* 05 59 31.9757358072 +32 53 12.971707404 8.26 8.80 8.75     B2:V:nn 34 0
46 HD 41690 ** 06 07 38.8954269192 +21 52 23.428543224 7.31 7.93 7.71     B1V 74 0
47 HD 41831 * 06 08 20.6246390400 +22 12 29.684012220   9.552 9.459 9.279   B3V 23 0
48 HD 252325 Em* 06 09 00.3115263192 +20 38 25.889095968 10.94 11.361 10.758 10.638   O9V(n) 56 1
49 HD 253327 Y*O 06 12 44.1784712232 +17 59 14.251982856 10.93 11.30 10.75 10.57   B0.5V 32 0
50 HD 254577 s*b 06 17 54.3850982136 +22 24 32.950444716 9.65 9.87 9.06     B0.5II-IIIk 49 0
51 HD 44139 * 06 21 07.9438389600 +22 09 56.990569248 8.51 9.02 8.80     B0.5V 32 0
52 HD 46867 * 06 35 55.1397071544 +05 18 35.200596528 7.88 8.52 8.30     B0.5III-IV 52 0
53 HD 52559 * 07 01 55.2600175944 +05 33 25.752763980 5.93 6.544 6.578     B2IV-V 70 0
54 V* V569 Mon bC* 07 05 49.6395658880 -10 39 36.289526897 5.55 6.43 6.52 7.55   B1II/III 115 0
55 HD 60325 * 07 33 22.1853581952 -14 20 17.902042980 5.46 6.17 6.21     B2II 90 0
56 HD 62542 * 07 42 37.2147724128 -42 13 47.831717064   8.21 8.03     B3V 164 0
57 HD 64315 EB* 07 52 20.2841727949 -26 25 46.683038109 8.76 9.49 9.24 9.63 8.86 O5.5Vz+O7V 124 1
58 V* V461 Car EB* 08 01 23.0425011408 -54 30 55.904828760 5.43 6.056 6.111     B2IV 61 0
59 HD 68633 ** 08 10 53.1452339928 -51 11 26.083231800   8.19 7.96     B5V 31 0
60 HD 68982 * 08 13 22.2914494680 -38 26 18.062683584 7.06 7.64 7.53     B3V 41 0
61 HD 71609 Pu* 08 26 38.1571034544 -43 24 30.947105448 7.26 7.89 7.82 8.76   B2/3II 54 0
62 HD 72648 * 08 32 18.9890145000 -43 55 53.360572260 7.15 7.75 7.62     B3III(II) 62 0
63 HD 73420 * 08 36 37.1155939800 -44 04 48.163266624 8.23 9.41 9.33 9.47   B2II/III 43 0
64 * eta Pyx * 08 37 52.1527915488 -26 15 18.000453996   5.23 5.27     A0V 54 0
65 HD 73849 * 08 38 19.0154930280 -50 30 30.054236364 7.75 8.33 8.27     B2/3III 26 0
66 HD 73882 ** 08 39 09.53412 -40 25 09.2608 7.07 7.59 7.19 6.67 6.30 O8.5IV 261 1
67 V* V560 Car SB* 10 44 33.7393258944 -59 44 15.434446956 6.89 7.80 7.75 7.56 7.46 O3.5V((f))+O8V 314 0
68 HD 94144 * 10 50 40.0190905752 -61 16 10.367529204 6.29 6.804 6.836     B4III 43 0
69 HD 94414 * 10 50 55.9434064368 -77 07 28.547261652   8.43 8.01     B4V 44 0
70 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
71 HD 97966 * 11 15 11.7805980960 -59 24 58.262246172 8.02 8.89 8.85 9.50   O7V((f))z 65 0
72 HD 98143 * 11 15 16.9024812240 -77 31 06.120737796   8.12 7.61     B8III 42 0
73 HD 101008 * 11 36 56.1752293128 -63 23 52.509820560 8.32 9.14 9.16 9.70   O9V 80 0
74 HD 101205 ** 11 38 20.36114 -63 22 21.8889 5.64 6.53 6.54 7.41   O6V 164 0
75 HD 101298 * 11 39 03.2761321080 -63 25 47.052737472 7.33 8.15 8.07 8.84   O6.5IV((f)) 124 0
76 HD 102065 Y*O 11 43 36.9451657872 -80 29 00.511110852   6.67 6.61     B9IV 69 0
77 HD 103536 * 11 54 53.0156354376 -81 00 25.097057280   9.12 9.02     B9.5V 15 0
78 HD 103875 ** 11 57 16.0183523905 -80 29 40.895067662           B9.5V 22 0
79 HD 116084 * 13 22 16.2861588768 -52 10 58.631374776 5.30 6.02 5.91 5.75 5.65 B2Ib 67 0
80 HD 116852 * 13 30 23.5185791544 -78 51 20.547734652 8.29 8.38 8.47     O8.5II-III((f)) 163 1
81 HD 137569 pA* 15 26 20.8172517192 +14 41 36.321520992   7.86 7.91     B9Iab:p 111 0
82 * lam Lib SB* 15 53 20.0538968232 -20 10 01.471003716 4.43 4.997 5.027     B3V 223 0
83 HD 142758 s*b 15 59 23.7399409248 -58 43 34.398774588 6.62 7.236 7.072 7.96   B1Ia 66 0
84 * nu. Sco ** 16 11 59.73568 -19 27 38.5361 3.42 4.05 4.00 3.90 3.87 B2V 404 0
85 HD 145792 a2* 16 13 45.4979280816 -24 25 19.529982106   6.43 6.43   6.14 B6IV 137 0
86 HD 146332 * 16 16 52.5517600032 -29 44 37.379436144 7.55 7.78 7.65     B3III 48 0
87 * 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
88 HD 147701 Ro* 16 24 21.3184926168 -25 01 31.448678376 9.66 9.74 9.20   7.42 B5III 143 0
89 HD 147889 Or* 16 25 24.3163637976 -24 27 56.569805208 8.56 8.73 7.90     B2V 512 1
90 HD 147617 * 16 25 32.6212154352 -52 01 29.010208152 9.39 10.05 9.82 10.02   O8 51 0
91 * rho Oph A SB* 16 25 35.1185711280 -23 26 49.831640736 4.3 5.22 5.05     B1V 444 0
92 HD 148422 * 16 30 59.8917961848 -56 29 43.228963104 7.93 8.70 8.65 9.40   B1Ia 79 0
93 HD 148878 * 16 33 48.6763051536 -53 12 35.363134800 7.57 8.017 7.692 8.79   B1/2Ia 27 0
94 * mu. Nor s*b 16 34 05.0193637737 -44 02 43.120603946 4.05 4.99 4.94 6.36   O9.7Iab 286 0
95 HD 149452 * 16 37 10.5115048704 -47 07 49.828653588 9.2 10.39 9.40 9.54 8.73 O9IVn 59 0
96 HD 152096 EB* 16 53 15.0114468648 -41 22 13.822510080 8.81 9.56 9.48     B2Ib/II 39 0
97 HD 152218 Y*O 16 53 59.9905195488 -41 42 52.817214240 7.02 7.78 7.570   7.243 O9IV+B0:V: 160 0
98 HD 152560 * 16 55 55.2053721480 -41 01 30.500346108 7.49 8.23 8.10 9.13   O9.5IV 53 0
99 HD 152741 * 16 57 01.1338287264 -42 16 20.381362536   9.67 9.59     B7II/III 13 0
100 HD 158243 Pu* 17 31 07.1349135528 -53 28 43.196850876 7.33 8.12 8.15     B1Ib 45 0
101 HD 159176 Be* 17 34 42.4921337376 -32 34 53.995451196 4.88 5.74 5.70 7.19   O7V 261 0
102 HD 160993 * 17 45 17.6679842136 -45 38 13.274337588 7.02 7.69 7.70     B1Iab 51 0
103 HD 161653 * 17 48 28.1365443960 -38 08 00.599876448 6.45 7.22 7.20 8.32   B2II 56 0
104 * 67 Oph s*b 18 00 38.7157893000 +02 55 53.633402904 3.34 3.96 3.93 3.84 3.81 B4Ib-II 422 0
105 HD 164402 s*b 18 01 54.3809958600 -22 46 49.059228432 4.88 5.77 5.77 5.74 5.69 B0Ib 184 0
106 HD 164073 * 18 02 00.5634000360 -48 48 37.652476032 7.55 8.05 8.03     B3III/IV 27 0
107 HD 164492 Y*O 18 02 23.5527520992 -23 01 50.999556180 6.49 7.49 6.80 7.52   O7.5Vz 240 0
108 HD 166539 * 18 11 43.2329224296 -15 34 57.539309304 8.33 8.99 8.80 9.47 8.883 B1/2Ib 37 0
109 HD 166546 V* 18 11 57.0991622952 -20 25 24.149352324 6.40 7.26 7.22 8.36   O9.5IV 96 0
110 * 15 Sgr s*b 18 15 12.9063291264 -20 43 41.767600368 4.64 5.42 5.37 5.27 5.19 O9.7Iab 268 0
111 BD-13 4927 Y*O 18 18 40.0938541704 -13 45 18.603231696 10.12 10.14 9.48 9.71   O7II(f) 82 0
112 HD 168021 ** 18 18 43.2576402120 -18 37 10.754919264 6.46 7.08 6.86 7.64   B0Ia+B0.2II 85 0
113 HD 168137 Y*O 18 18 56.1894798360 -13 48 31.092549588 8.72 9.36 8.94 9.55   O8Vz 131 0
114 HD 168785 * 18 22 45.9040189608 -30 08 26.177051004 7.79 8.52 8.51 9.40   B2II 71 0
115 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
116 HD 173694 s*b 18 47 06.1980925464 -12 08 27.996611604 10.13 10.48 9.98 9.97   B0.5Ia 28 0
117 V* V1182 Aql SB* 18 55 23.1255094080 +09 20 48.087475944 8.73 9.10 8.64     O7V(n)((f))z+B 119 0
118 HD 175876 * 18 58 10.7660947512 -20 25 25.541961636 5.79 6.82 6.94 6.93   O6.5III(n)(f) 154 0
119 HD 176304 * 18 59 17.3415977256 +10 08 27.606012036 6.57 7.00 6.75     B2Vp 69 0
120 HD 176819 SB* 19 01 22.5502560528 +20 49 58.222191360 6 6.766 6.775     B2IV-V 69 0
121 VSS VIII-10 * 19 03 12.1 -37 29 10   10.71 10.07     B9.2/A0V 13 0
122 HD 183561 * 19 29 14.6502573072 +26 43 00.494187276 7.68 8.22 8.05     B2III 43 0
123 HD 185418 * 19 38 27.4809937872 +17 15 26.048161044 7 7.639 7.485     B0.5V 144 0
124 HD 344894 bC* 19 45 48.2143953312 +23 11 42.753194232 9.42 9.88 9.61     B5 36 0
125 HD 225757 * 19 46 41.7717141264 +34 39 14.323467312 9.74 10.62 10.66     B1IIIn 19 0
126 V* V380 Cyg SB* 19 50 37.3267754400 +40 35 59.135141652 4.86 5.613 5.680     B1.1III+B2.5/3V: 305 0
127 HD 187851 Be* 19 51 04.7370952248 +27 43 00.861372300 7.24 7.834 7.756     B2V:nn 46 0
128 HD 345214 ** 19 53 45.98761 +22 36 34.0413   9.876 9.581 9.641   B3 27 0
129 HD 189779 * 20 00 37.6863870360 +29 53 18.865257936 7.69 8.28 8.23     B2III 40 0
130 HD 227242 * 20 02 14.6865557544 +37 05 37.369419936 10.13 10.77 10.6     B0IV: 19 0
131 HD 190429 ** 20 03 29.39885 +36 01 30.5082 5.98 6.78 6.63     O4If+O9.5II 209 0
132 HD 190991 * 20 06 00.7090140744 +40 03 53.923932252 7.58 8.30 8.22     B0IVp 44 0
133 HD 191396 * 20 08 19.1399573352 +38 07 50.425658904 7.64 8.30 8.12     B0.5II 52 0
134 HD 228101 bC* 20 10 36.6929105904 +37 27 30.660662268 7.86 8.52 8.49     B1V 37 0
135 HD 192001 SB* 20 11 01.7066647560 +42 07 36.402475404 7.97 8.52 8.29     O9.5IV 60 0
136 HD 192539 * 20 14 16.0972981872 +31 59 51.994062312 6.79 7.377 7.288     B2III 45 0
137 BD+37 3945 * 20 28 17.7752358648 +38 21 21.727564920 10.13 10.15 9.53     B0II:nn 22 0
138 HD 197460 * 20 42 41.0891280840 +36 22 51.126447504 7.93 8.42 8.15     B0.5III 46 0
139 BD+35 4258 bC? 20 46 12.659 +35 32 25.59 8.68 9.43 9.46 9.57   B0.5Vn 57 0
140 HD 199579 Y*O 20 56 34.7779063080 +44 55 29.000891928 5.16 6.01 5.96     O6.5V((f))z 375 0
141 BD+45 3339 * 20 56 39.2293534224 +46 21 20.693460708 9.93 10.30 10.00     B1IV 20 0
142 BD+45 3360 * 21 00 34.2072071016 +46 14 49.882086996 9.77 10.22 10.1     B3V 22 0
143 HD 204827 SB* 21 28 57.7592315784 +58 44 23.238427956 8.63 8.74 7.94 7.25 6.76 O9.5IV 372 0
144 * 9 Cep s*b 21 37 55.2241394424 +62 04 54.990376788 4.49 5.03 4.73 4.42 4.24 B2Ib 315 0
145 BD+47 3588 bC? 21 52 47.8158434736 +48 01 20.813147076 9.04 9.73 9.64     B1.5V 27 0
146 HD 210072 * 22 06 17.6746211184 +55 14 48.484096908 7.6 7.88 7.64     B8 61 0
147 HD 210121 * 22 08 11.9027578440 -03 31 52.765490316   7.84 7.68     B7II 185 0
148 BD+52 3122 ** 22 08 46.93 +52 58 27.6           ~ 22 0
149 HD 211880 * 22 18 27.8032795224 +63 13 22.448689068 7.47 7.99 7.75     B0.5V 106 0
150 Hilt 1143 SB* 22 33 40.7602581840 +56 31 34.683848868 9.93 10.39 10.08     B1.5II 26 0
151 HD 216438 * 22 51 58.2533466696 +53 42 35.220465360 7.76 8.50 8.48     B1II 45 0
152 BD+62 2142 EB* 22 58 03.9325769976 +63 21 44.730003096   9.30 9.04     B5V 24 0
153 HD 217919 SB* 23 03 01.4671604424 +63 41 53.350974096 8.56 8.75 8.2     B3 80 0
154 BD+61 2515 bC? 23 45 43.9003197624 +62 17 31.208423100 9.91 10.40 10.0     B3 23 0
155 HD 224257 * 23 56 24.9644016672 +55 59 25.268613468 7.03 7.91 7.99     B0.2IV 45 0
156 BD+66 1661 * 23 57 32.6036981472 +67 33 15.293987460 9.33 9.41 8.76     O9.2V 64 0
157 HD 224424 Be* 23 57 47.6943517344 +59 43 12.422283672 8.61 8.76 8.1     B0e 67 0

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