Comments on the Progenitor of NGC6946-BH1

Abstract

The broad-band colors of the progenitor of the black hole candidate in NGC 6946 suggest that it was a yellow hypergiant on a post-red supergiant track when the core collapse occurred.

Shorter version published in Research Notes of the AAS

References in corpus (1)

• The Effective Temperatures and Physical Properties of Magellanic Cloud Red Supergiants: The Effects of Metallicity

Cited by in corpus (3)

• Disappearance of a massive star in the Andromeda Galaxy due to formation of a black hole
• A rapidly fading star as a type II obscuring intermediate luminosity optical transient (ILOT) in a triple star system
• Red Supergiants -- The Other Side of the H-R Diagram