50 citations · 79 across the 2 of their papers we have counts for
2 papers
astro-ph.SR2017★ 29 cited
Luminous and Variable Stars in M31 and M33 V. The Upper HR Diagram
Roberta M. Humphreys, Kris Davidson, David Hahn +2
We present HR Diagrams for the massive star populations in M31 and M33 including several different types of emission-line stars: the confirmed Luminous Blue Variables (LBVs), candi…
astro-ph.SR2016★ 50 cited
Luminous and Variable Stars in M31 and M33. IV. Luminous Blue Variables, Candidate LBVs, and the B[e] Supergiants; How to Tell Them Apart
Roberta M. Humphreys, Michael S. Gordon, John C. Martin +2
In this series of papers we have presented the results of a spectroscopic survey of luminous and variable stars in the nearby spirals M31 and M33. In this paper, we present spectro…