Stothers and Lucy 1972
Stothers, R., and L.B. Lucy, 1972: Nature of the secondary component of Beta Lyrae. Nature, 236, 218-219, doi:10.1038/236218a0.
Among known binary systems suggested as possibly harbouring a black hole as a secondary, ε Aur and β Lyr have drawn much current attention. Both systems consist of a luminous massive primary and a faint (or invisible) secondary, whose presence is revealed largely by the eclipses it produces. From the mass function alone, each secondary must be fairly massive and is probably in the form of a disk (or ring) containing an underluminous star. This latter star has been suggested as being a collapsar.
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Stothers, R., and Lucy, L.B.: Nature of the secondary component of Beta Lyrae, Nature, 236, 218-219, doi:10.1038/236218a0, 1972.
Stothers, R., and L.B. Lucy (1972), Nature of the secondary component of Beta Lyrae, Nature, 236, 218-219, doi:10.1038/236218a0.
Stothers, R., and L.B. Lucy, 1972: Nature of the secondary component of Beta Lyrae. Nature, 236, 218-219, doi:10.1038/236218a0.
Stothers, R., & Lucy, L.B. 1972, Nature, 236, 218, doi:10.1038/236218a0.
Stothers R, Lucy LB. Nature of the secondary component of Beta Lyrae, Nature 1972;236:218-219. doi:10.1038/236218a0.
R. Stothers, L.B. Lucy, Nature 236, 218-219, doi:10.1038/236218a0 (1972).
