Publications

See CV for the full list. 

Books Edited 

1. The Minnesota Lectures on the Structure and Dynamics of the Milky Way, ed. R.M. Humphreys,1993, ASP Conference Series #39. 

2. Proper Motions and Galactic Astronomy, ed. R.M. Humphreys, 1997, ASP Conference Series #127. 

3. Eta Carinae at the Millenium, ed. J. Morse, R.M. Humphreys and A. Daminelli, 1999, ASP Conference Series, #179.

4. "Mapping the Asymmetric Thick Disk: I. A Search for Triaxiality", J. A. Larsen, J. E. Cabanela, R. M. Humphreys, & A. Havilland, 2010, A.J., 139, 348.      

5. The Fate of the Most Massive Stars, ed R. M. Humphreys and K. Stanek, 2005, ASP Conference Series, # 332.

6. Eta Carinae and the Supernova Impostors, ed K. Davidson and R. M. Humphreys, 2012, Springer Publishing.

7. Luminous Stars in Nearby Galaxies, guest editor, 2020, MDPI, Galaxies, special issue.

Selected Publications

1. “The Mass-loss History of the Red Hypergiant VY CMa”, R. M. Humphreys, K. Davidson, A.M.S. Richards, L. M. Ziurys, T. J. Jones, and K. Ishibashi, 2021, AJ, 161, 98.

2. “The Complex Upper HR Diagram”, R. M. Humphreys, 2019, in Galaxies, MDPI, vol 7.

3. “The Unexpected Spectrum of the Innermost Ejecta of the Red Hypergiant VY CMa”, R.M.Humphreys, L. M. Ziurys, J. J. Bernal, et al. 2019, ApJ Letters, 874, L26.

4. "A Tale of Two Impostors: SN2002kg and SN1954J in NGC 2403", R. M. Humphreys, K. Davidson, S. D. Van Dyk, and M. S. Gordon, 2017, ApJ., 848, 86.

5. "On the Social Traits of Luminous Blue Variables’’, R. M. Humphreys, K. Weis, K. Davidson, and M. S. Gordon 2016, ApJ., 825, 64.

6. "Luminous and Variable Stars in M31 and M33. I. The Warm Hypergiants and Post-Red Supergiant Evolution", R. M. Humphreys, K. Davidson, et al. 2013, ApJ, 773, 46.

7. "Mapping the Asymmetric Thick Disk: I. A Search for Triaxiality", J. A. Larsen, J. E. Cabanela, R. M. Humphreys, & A. Havilland, 2010, A.J., 139, 348.

8. “The Early Spectra of Eta Carinae 1893 - 1941 and the Onset of Its High Excitation Emission Spectrum”, R. M. Humphreys, K. Davidson, & M. Koppelman, 2008, A.J., 135, 1249.

9. "The Luminous Blue Variables - Astrophysical Geysers," R.M. Humphreys and K. Davidson, 1994, Pub. A.S.P. 106, 1025.

10. "On the Stellar Content and Structure of the Spiral Galaxy M33", R.M. Humphreys and A. Sandage, 1980, Ap.J. Suppl., 44, 319.

11. "Studies of Luminous Stars in Nearby Galaxies III. Comments on the Evolution of the Most Massive Stars in the Milky Way and the Large Magellanic Clouds," R.M. Humphreys and K. Davidson, 1979, Ap.J., 232, 409.