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| Paper: |
The Outflowing Disks of B[e] Supergiants and Unclassified B[e] Stars |
| Volume: |
337, The Nature and Evolution of Disks Around Hot Stars |
| Page: |
254 |
| Authors: |
Kraus, M.; Borges Fernandes, M. |
| Abstract: |
B[e] supergiants are known to possess outflowing cool disks but also some unclassified B[e] stars show clear indications for the presence of a neutral disk. We derive constraints on the disk mass loss rates, temperature distributions and disk opening angles for the Small Magellanic Cloud B[e] supergiant Hen S 18 and the unclassified galactic B[e] star Hen 2-90 by modeling the line luminosities of the [OI] lines arising in their optical spectrum. These lines are supposed to form in a hydrogen neutral disk. We find disk mass fluxes of order 3.4 × 10−4 g s−1cm−2 and 5.5 × 10−1 g s−1cm−2 resulting in disk mass loss rates of 1.0 × 10−4MSolaryr−1 and 1.5 × 10−5MSolaryr−1 for Hen S 18 and Hen 2-90, respectively. |
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