Thorne-Zytkow object

Thorne-Żytkow object

[¦thȯrn ′zhit‚kȯv ‚äb‚jekt]
(astronomy)
A hypothetical object that results when a star in its helium-burning, or red-giant, phase swallows a companion neutron star that had resulted from the evolution of a very massive star.
References in periodicals archive ?
After nearly four decades of searching, astronomers might finally have found a Thorne-Zytkow Object (TZO), a bizarre and, until now, purely theoretical star made in the merger of two stars.
This strange pair, called a Thorne-Zytkow Object, or TZO, was largely theoretical until now.
Thorne-Zytkow objects (TZOs) are hybrids of red supergiant and neutron stars that superficially resemble normal red supergiants, such as Betelguese in the constellation Orion.