50 citations · 90 across the 2 of their papers we have counts for
2 papers
astro-ph2008★ 50 cited
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…
astro-ph2006★ 40 cited
The Chrysalis Opens? Photometry from the Eta Carinae HST Treasury Project, 2002-2006
J. C. Martin, Kris Davidson, M. D. Koppelman
During the past decade Eta Car has brightened markedly, possibly indicating a change of state. Here we summarize photometry gathered by the Hubble Space Telescope as part of the HS…