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| Query : 2000ApJ...541..250B |
2000ApJ...541..250B - Astrophys. J., 541, 250-256 (2000/September-3)
On the correlation between CO absorption and far-ultraviolet nonlinear extinction toward galactic OB stars.
BURGH E.B., McCANDLISS S.R., ANDERSSON B.-G. and FELDMAN P.D.
Abstract (from CDS):
A sample of 59 sight lines to reddened Galactic OB stars was examined for correlations of the strength of the CO Fourth Positive (A1Π-X1Σ+) absorption band system with the ultraviolet interstellar extinction curve parameters. We used archival high-dispersion NEWSIPS IUE spectra to measure the CO absorption for comparison with parametric fits of the extinction curves from the literature. A strong correlation with the nonlinear far-UV curvature term was found with greater absorption, normalized to E(B-V), being associated with more curvature. A weaker trend with the linear extinction term was also found. Mechanisms for enhancing CO in dust environments exhibiting high nonlinear curvature are discussed.
Abstract Copyright: ∼
Journal keyword(s): ISM: Dust, Extinction - ISM: Abundances - ISM: Molecules - Ultraviolet: ISM
Simbad objects: 59
| Number of rows : 59 |
| 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 | HD 13268 | * | 02 11 29.7003301008 | +56 09 31.721738760 | 7.48 | 8.24 | 8.18 | ON8.5IIIn | 186 | 0 | ||
| 2 | HD 14434 | Em* | 02 21 52.4121560832 | +56 54 18.032028876 | 7.87 | 8.65 | 8.49 | 8.29 | 8.20 | O5.5Vnn((f))p | 198 | 0 |
| 3 | HD 14442 | V* | 02 22 10.7004415512 | +59 32 58.893287604 | 9.01 | 9.58 | 9.27 | O5n(f)p | 110 | 0 | ||
| 4 | HD 15558 | Y*O | 02 32 42.5366901168 | +61 27 21.572901360 | 7.82 | 8.37 | 7.87 | 7.34 | 6.94 | O4.5III(f) | 324 | 0 |
| 5 | HD 15629 | Y*O | 02 33 20.5873992264 | +61 31 18.188762844 | 8.23 | 8.85 | 8.42 | O4.5V((fc)) | 255 | 0 | ||
| 6 | BD+60 594 | * | 02 57 04.1273587152 | +61 24 57.669134904 | 10.563 | 9.58 | 9.30 | O9.5IV-V | 98 | 0 | ||
| 7 | HD 21483 | * | 03 28 46.6537212648 | +30 22 31.231016796 | 7.080 | 7.390 | 7.070 | B3III | 155 | 0 | ||
| 8 | V* AE Aur | Or* | 05 16 18.1493304816 | +34 18 44.344404000 | 5.48 | 6.18 | 5.96 | O9.5V | 597 | 1 | ||
| 9 | HD 242908 | Y*O | 05 22 29.3024469216 | +33 30 50.454124452 | 8.6 | 9.280 | 9.084 | 9.241 | O4.5V(n)((fc))z | 128 | 0 | |
| 10 | 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 |
| 11 | HD 36982 | Or* | 05 35 09.8363878512 | -05 27 53.216296776 | 8.00 | 8.58 | 8.46 | B2V | 225 | 0 | ||
| 12 | * 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 |
| 13 | * tet01 Ori D | Y*O | 05 35 17.2574479992 | -05 23 16.570738104 | 6.08 | 6.79 | 6.70 | 6.40 | 6.20 | B1.5Vp | 340 | 0 |
| 14 | HD 37061 | Or* | 05 35 31.3649044920 | -05 16 02.582064192 | 6.44 | 7.09 | 6.83 | O9.5V | 376 | 0 | ||
| 15 | HD 36879 | * | 05 35 40.5264730272 | +21 24 11.719601856 | 6.97 | 7.69 | 7.58 | O7V(n)((f))z | 157 | 0 | ||
| 16 | HD 37903 | Em* | 05 41 38.3891026008 | -02 15 32.479650720 | 7.32 | 7.94 | 7.83 | 7.64 | 7.52 | B3IV | 385 | 0 |
| 17 | HD 38087 | Or* | 05 43 00.5754723576 | -02 18 45.389406240 | 7.96 | 8.40 | 8.29 | 8.06 | 7.89 | B3II | 182 | 1 |
| 18 | HD 46056 | Y*O | 06 31 20.8608343776 | +04 50 03.842554740 | 7.60 | 8.36 | 8.16 | 8.16 | 8.09 | O8Vn | 242 | 0 |
| 19 | HD 46106 | Y*O | 06 31 38.3968383096 | +05 01 36.396422796 | 7.33 | 8.08 | 7.93 | 7.76 | 7.66 | O9.7III(n) | 167 | 0 |
| 20 | HD 46149 | Y*O | 06 31 52.5319291296 | +05 01 59.178678024 | 7.03 | 7.80 | 7.61 | 7.54 | 7.36 | O8.5V | 288 | 0 |
| 21 | HD 46150 | Y*O | 06 31 55.5205071744 | +04 56 34.296516096 | 6.03 | 6.86 | 6.73 | 6.50 | 6.41 | O5V((f))z | 413 | 0 |
| 22 | HD 46223 | Y*O | 06 32 09.3068103600 | +04 49 24.705695568 | 6.73 | 7.50 | 7.28 | 6.95 | 6.79 | O4V((f)) | 406 | 0 |
| 23 | HD 46202 | bC* | 06 32 10.4706981304 | +04 57 59.764912343 | 7.60 | 8.332 | 8.269 | 7.98 | 7.86 | O9.2V | 300 | 0 |
| 24 | HD 47129 | SB* | 06 37 24.0420854544 | +06 08 07.369104444 | 5.23 | 6.11 | 6.06 | O8I+O7.5III | 420 | 0 | ||
| 25 | HD 48099 | Be* | 06 41 59.2308626256 | +06 20 43.532571372 | 5.38 | 6.32 | 6.37 | 6.30 | 6.35 | O5V((f))z+O9:V | 310 | 0 |
| 26 | HD 48279 | * | 06 42 40.5471009337 | +01 42 58.252284586 | 7.26 | 8.02 | 7.96 | 8.72 | O8.5VzNstrvar? | 173 | 0 | |
| 27 | HD 48434 | s*b | 06 43 38.6456583720 | +03 55 57.109225980 | 4.99 | 5.88 | 5.90 | B0III | 166 | 0 | ||
| 28 | HD 73882 | ** | 08 39 09.53412 | -40 25 09.2608 | 7.07 | 7.59 | 7.19 | 6.67 | 6.30 | O8.5IV | 261 | 1 |
| 29 | HD 91824 | SB* | 10 34 46.6322493936 | -58 09 22.038466896 | 7.17 | 8.11 | 8.14 | 9.02 | O7V((f))z | 165 | 0 | |
| 30 | V* V401 Car | bC* | 10 35 30.0530262192 | -58 12 08.180867304 | 8.83 | 9.57 | 9.50 | 9.89 | 9.36 | B5 | 64 | 0 |
| 31 | HD 93028 | SB* | 10 43 15.3393101352 | -60 12 04.231982304 | 7.29 | 8.24 | 8.30 | 9.26 | O9IV | 181 | 0 | |
| 32 | HD 93204 | * | 10 44 32.3390794992 | -59 44 31.020804780 | 7.63 | 8.52 | 8.42 | 8.20 | 7.92 | O5.5V((f)) | 200 | 0 |
| 33 | 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 |
| 34 | HD 93222 | Y*O | 10 44 36.2481200208 | -60 05 28.890759120 | 7.26 | 8.18 | 8.10 | 8.91 | O7V((f))z | 212 | 0 | |
| 35 | CD-59 3300 | * | 10 44 41.7962304024 | -59 46 56.405228916 | 8.07 | 8.79 | 8.57 | 9.33 | O6V((f)) | 150 | 0 | |
| 36 | HD 93250 | ** | 10 44 45.0275085072 | -59 33 54.680974848 | 6.73 | 8.12 | 7.50 | 8.38 | O4III(fc) | 334 | 0 | |
| 37 | HD 303308 | ** | 10 45 05.9147911152 | -59 40 05.925360036 | 7.45 | 8.30 | 8.17 | 7.92 | 7.75 | O4.5V((fc)) | 314 | 0 |
| 38 | HD 93403 | SB* | 10 45 44.1198371784 | -59 24 28.153300860 | 6.72 | 8.46 | 8.27 | 8.35 | O5.5III(fc)var | 203 | 1 | |
| 39 | HD 96715 | * | 11 07 32.8167251952 | -59 57 48.704400540 | 7.51 | 8.32 | 8.28 | 9.04 | O4V((f))z | 125 | 0 | |
| 40 | HD 147888 | ** | 16 25 24.2915998776 | -23 27 36.747568152 | 6.71 | 7.05 | 6.74 | B3V | 228 | 0 | ||
| 41 | HD 147889 | Or* | 16 25 24.3163637976 | -24 27 56.569805208 | 8.56 | 8.73 | 7.90 | B2V | 512 | 1 | ||
| 42 | * rho Oph A | SB* | 16 25 35.1185711280 | -23 26 49.831640736 | 4.3 | 5.22 | 5.05 | B1V | 444 | 0 | ||
| 43 | * 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 |
| 44 | HD 152233 | SB* | 16 54 03.5909222280 | -41 47 29.841281484 | 5.93 | 6.72 | 6.59 | O6II(f) | 202 | 0 | ||
| 45 | HD 154445 | * | 17 05 32.2587926880 | -00 53 31.437713328 | 5.10 | 5.73 | 5.61 | 5.39 | 5.34 | B1V | 276 | 0 |
| 46 | * 63 Oph | * | 17 54 54.0432011904 | -24 53 13.544140416 | 5.35 | 6.24 | 6.20 | 7.33 | O8II((f)) | 185 | 0 | |
| 47 | HD 164816 | Be* | 18 03 56.8425865728 | -24 18 45.118050552 | 6.17 | 7.006 | 6.986 | 8.08 | 6.989 | O9.5V+B0V | 162 | 0 |
| 48 | HD 165052 | SB* | 18 05 10.5506592816 | -24 23 54.847798080 | 6.16 | 6.98 | 6.87 | 7.77 | O6.5V((f))z | 282 | 1 | |
| 49 | HD 167771 | SB* | 18 17 28.5570708120 | -18 27 48.424975128 | 5.81 | 6.65 | 6.54 | 7.43 | O7III((f))+O8III | 189 | 0 | |
| 50 | HD 168076 | Y*O | 18 18 36.4205083536 | -13 48 02.420915796 | 8.12 | 8.72 | 8.25 | 7.62 | 7.21 | O4III(f) | 209 | 0 |
| 51 | V* V2011 Cyg | SB* | 20 12 33.1203741480 | +40 16 05.445674868 | 7.32 | 7.85 | 7.55 | O4.5V(n)((f)) | 221 | 0 | ||
| 52 | HD 193322 | ** | 20 18 06.98820 | +40 43 55.5001 | 5.17 | 5.94 | 5.84 | 5.69 | 5.68 | O9IV(n)+B1.5V | 285 | 0 |
| 53 | HD 199579 | Y*O | 20 56 34.7779063080 | +44 55 29.000891928 | 5.16 | 6.01 | 5.96 | O6.5V((f))z | 375 | 0 | ||
| 54 | HD 200775 | Ae* | 21 01 36.9205762896 | +68 09 47.789578836 | 7.34 | 7.754 | 7.427 | 8.13 | B2Ve | 582 | 0 | |
| 55 | HD 215835 | SB* | 22 46 54.1107754872 | +58 05 03.533752788 | 8.24 | 8.85 | 8.629 | 8.049 | O5.5V((f))+O6V((f)) | 260 | 0 | |
| 56 | HD 216532 | V* | 22 52 30.5558211936 | +62 26 25.947105900 | 8.06 | 8.46 | 8.0 | O8.5V(n) | 149 | 0 | ||
| 57 | HD 216898 | Pu* | 22 55 42.4584233736 | +62 18 22.821300252 | 8.10 | 8.58 | 8.04 | O9V | 161 | 0 | ||
| 58 | HD 217979 | SB* | 23 03 20.1297828768 | +63 33 01.965353976 | 8.44 | 8.87 | 8.6 | B5 | 71 | 0 | ||
| 59 | BD+60 2522 | Em* | 23 20 44.5134945744 | +61 11 40.530567984 | 8.46 | 9.08 | 8.67 | O6.5(n)fp | 228 | 1 |
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