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.

arXiv commentShorter version published in Research Notes of the AAS

References in corpus (5)

• The search for failed supernovae with the Large Binocular Telescope: confirmation of a disappearing star
• The Effective Temperatures and Physical Properties of Magellanic Cloud Red Supergiants: The Effects of Metallicity
• Crossing the `Yellow Void' -- Spatially Resolved Spectroscopy of the Post- Red Supergiant IRC+10420 and Its Circumstellar Ejecta
• High-Resolution Spectroscopy of the Yellow Hypergiant Rho Cassiopeiae from 1993 Through the Outburst of 2000-2001
• M33's Variable A -- A Hypergiant Star More Than 35 Years in Eruption

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