162 citations · 403 across the 7 of their papers we have counts for
5 papers · 1 filter
A Three-Decade Outburst of the LMC Luminous Blue Variable R127 Draws to a Close
Nolan R. Walborn, Otmar Stahl, Roberto C. Gamen +7
The paradigmatic Luminous Blue Variable R127 in the Large Magellanic Cloud has been found in the intermediate, peculiar early-B state, and substantially fainter in visual light, si…
A point source survey of M31 with the Spitzer Space Telescope
Jeremy Mould, Pauline Barmby, Karl Gordon +5
We explore the stellar population of M31 in a Spitzer Space Telescope survey utilizing IRAC and MIPS observations. Red supergiants are the brightest objects seen in the infrared; t…
The Early Spectra of Eta Carinae 1892 to 1941 and the Onset of Its High Excitation Emission Spectrum
Roberta M. Humphreys, Kris Davidson, Michael Koppleman
The observed behavior of eta Car from 1860 to 1940 has not been considered in most recent accounts, nor has it been explained in any quantitative model. We have used modern digital…
A multi-scale study of infrared and radio emission from Scd galaxy M33
F. S. Tabatabaei, R. Beck, M. Krause +9
We investigate the energy sources of the infrared (IR) emission and their relation to the radio continuum emission at various spatial scales within the Scd galaxy M33. We use the w…
VY Canis Majoris: The Astrophysical Basis of Its Luminosity
Roberta M. Humphreys
The luminosity of the famous red supergiant VY CMa (L ~ 4 - 5 x 10e5 Lsun) is well-determined from its spectral energy distribution and distance, and places it near the empirical u…