- Abstract:
-
We present Very Large Telescope (VLT) intermediate resolution spectroscopy of UY Vol, the optical counterpart of the low mass X-ray binary (LMXB) X-ray burster EXO 0748-676. By using Doppler tomography we detect narrow components within the broad He II λ4542, λ4686 and λ5412 emission lines. The phase, velocity and narrowness of these lines are consistent with their arising from the irradiated hemisphere of the donor star, as has been observed in a number of LMXBs. Under this assumption, we pr...
Expand abstract - Publisher copy:
- 10.1111/j.1745-3933.2009.00630.x
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- Journal:
- Monthly Notices of the Royal Astronomical Society: Letters
- Volume:
- 394
- Issue:
- 1
- Pages:
- L136-L140
- Publication date:
- 2009-03-05
- DOI:
- EISSN:
-
1745-3933
- ISSN:
-
1745-3933
- URN:
-
uuid:4a2bebec-3107-4cd8-af26-2c8cab0d2c94
- Source identifiers:
-
361977
- Local pid:
- pubs:361977
- Language:
- English
- Keywords:
- Copyright date:
- 2009
Journal article
Dynamical constraints on the neutron star mass in EXO 0748-676
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