LHG 83 - Another outstanding X-ray binary in the LMC

Details LHG 83 - Another outstanding X-ray binary in the LMC LHG 83 - Another outstanding X-ray binary in the LMC

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985ssrv...40..229p&link_type=abstract

(ESA, ESLAB Symposium on X-Ray Astronomy in the EXOSAT Era, 18th, The Hague, Netherlands, Nov. 5-9, 1984) Space Science Reviews

Astronomy and Astrophysics

Astronomy

23

Magellanic Clouds, Stellar Spectrophotometry, X Ray Binaries, Accretion Disks, Balmer Series, Visible Spectrum, X Ray Spectra

Scientific paper

The strongest X-ray point source, LHG 83, discovered in the Einstein survey of the LMC and not being associated with a nearby coronal type stellar emitter or background AGN is identified with a faint blue variable object. Spectrophotometry reveals low mass X-ray binary characteristics at a mean velocity consistent with LMC membership. The He II λ4686 emission exhibits a unique blue shifted component suggesting outflow velocities of several thousand km/s. Optical brightness changes by 0.3 mag in less than one hour are likely to be intrinsic to the source rather than induced by orbital motion. The low X-ray to optical flux ratio is probably due to the fact that the central X-ray source is blocked from direct view by the accretion disk.

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