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| Query : 1994A&A...290..906H |
1994A&A...290..906H - Astronomy and Astrophysics, volume 290906-914 (1994/10-3)
A dusty nebula around the luminous blue variable candidate HD 168625.
HUTSEMEKERS D., VAN DROM E., GOSSET E. and MELNICK J.
Abstract (from CDS):
On the basis of narrow-band visible and near-infrared imagery as well as high-resolution spectroscopy, we report the discovery of a new LBV-type nebula around the B supergiant HD 168625. We find that it essentially consists of a dusty expanding shell from which seems to emerge a bipolar emission nebula, the whole embedded in a reflection nebulosity. The inner shell is stratified: the continuum emission arises beyond the ionized gas, and is possibly due to scattering of stellar light by large dust grains or to non-equilibrium dust emission. The unexpected presence of unidentified infrared emission bands (UIRs) in the spectrum of this object is also discussed. We finally report the non-detection of a comparable nebula around the nearby LBV HD 168607.
Abstract Copyright: ∼
Journal keyword(s): luminous blue variable stars - circumstellar matter - emission nebulae - dust - HD 168625 - HD 168607
Simbad objects: 11
| Number of rows : 11 |
| 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 90177 | s*b | 10 22 53.8430096928 | -59 37 28.363616256 | 9.16 | 9.66 | 8 | 8.15 | LBV | 342 | 0 | |
| 2 | * eta Car | s*b | 10 45 03.545808 | -59 41 03.95124 | 6.37 | 7.03 | 6.48 | 6.123 | 4.41 | LBV | 2543 | 0 |
| 3 | WRAY 15-682 | WR* | 10 53 59.5777329720 | -60 26 44.361095316 | 11.64 | 10.85 | 10.56 | WN11h | 155 | 3 | ||
| 4 | V* AG Car | WR* | 10 56 11.5781414448 | -60 27 12.810673260 | 7.00 | 7.57 | 6.96 | 7.73 | WN11h | 649 | 0 | |
| 5 | MR 35 | s*b | 11 08 40.0634208096 | -60 42 51.721320060 | 12.33 | 10.20 | 11.66 | LBV | 130 | 0 | ||
| 6 | NGC 6618 | OpC | 18 20 47 | -16 10.3 | ~ | 1700 | 0 | |||||
| 7 | HD 168607 | s*b | 18 21 14.8856951904 | -16 22 31.763755236 | 10.23 | 9.82 | 8.28 | 8.55 | B9Ia+ | 196 | 1 | |
| 8 | HD 168625 | s*b | 18 21 19.5484021368 | -16 22 26.075142156 | 10.15 | 9.78 | 8.37 | 8.76 | B8Ia+ | 293 | 2 | |
| 9 | HD 169009 | * | 18 23 02.1094394400 | -10 13 08.238885060 | 6.443 | 6.313 | B9III | 57 | 0 | |||
| 10 | * P Cyg | s*b | 20 17 47.2019733389 | +38 01 58.549132671 | 4.66 | 5.24 | 4.82 | 4.28 | 4.02 | B1-2Ia-0ep | 1200 | 1 |
| 11 | * nu. Ind | ** | 22 24 36.8853892493 | -72 15 19.488237466 | 5.94 | 5.29 | G9VFe-3.1CH-1.5 | 290 | 0 |
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