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astro-ph2003
H-alpha variability of the recurrent nova T Coronae Borealis
V. Stanishev, R. Zamanov, N. Tomov +1
We analyze H-alpha observations of the recurrent nova T CrB obtained during the last decade. For the first time the H-alpha emission profile is analyzed after subtraction of the re…
astro-ph2003
Searching For the Physical Drivers of Eigenvector 1: Influence of Black Hole Mass and Eddington Ratio
Paola Marziani, Radoslav K. Zamanov, Jack W. Sulentic +1
[Abridged] We compute the virial mass of the central black hole (M) and the luminosity-to-mass (L/M) ratio of ~ 300 low-z quasars and luminous Seyfert 1 nuclei. We analyze: (1) whe…