Stothers 1971

Stothers, R.B., 1971: Collapsars, infrared disks and invisible secondaries of massive binary systems. vol. 229, pp. 180-183, doi:10.1038/229180a0.

The supergiant primary of the eclipsing binary system alt epsilon Aur is probably a star of high mass burning helium in its core. Cameron's suggestion that the invisible secondary is a massive collapsar surrounded by a cool disk of solid particles is thus given further support. A similar object with a disk may be in orbit around the supergiant 89 Her, which has a large infrared excess of unknown origin. The disk could be formed during the initial stage of collapse of the secondary.

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Stothers, R.B.: Collapsars, infrared disks and invisible secondaries of massive binary systems, in: vol. 229, 180-183, doi:10.1038/229180a0, 1971.

Stothers, R.B. (1971), Collapsars, infrared disks and invisible secondaries of massive binary systems, in, vol. 229, pp. 180-183, doi:10.1038/229180a0.

Stothers, R.B., 1971: Collapsars, infrared disks and invisible secondaries of massive binary systems. vol. 229, pp. 180-183, doi:10.1038/229180a0.

Stothers, R.B. 1971, in, vol. 229, 180, doi:10.1038/229180a0.

Stothers RB. Collapsars, infrared disks and invisible secondaries of massive binary systems. In: vol. 229, pp. 180-183. 1971.

R.B. Stothers, In (vol.229, (1971), pp. 180-183.