221 citations · 397 across the 8 of their papers we have counts for
Showing 2013Show all
2 papers · 1 filter
astro-ph.SR2013★ 14 cited
The Massive Star Population in M101. I. The Identification and Spatial Distribution of the Visually Luminous Stars
Skyler Grammer, Roberta M. Humphreys
An increasing number of non-terminal giant eruptions are being observed by modern supernova and transient surveys. But very little is known about the origin of these giant eruption…
astro-ph.SR2013★ 66 cited
Luminous and Variable Stars in M31 and M33. I. The Warm Hypergiants and Post-Red Supergiant Evolution
Roberta M. Humphreys, Kris Davidson, Skyler Grammer +4
The progenitors of Type IIP supernovae have an apparent upper limit to their initial masses of about 20 solar masses, suggesting that the most massive red supergiants evolve to war…