61 citations · 68 across the 2 of their papers we have counts for
4 papers
The supernova impostor PSN J09132750+7627410 and its progenitor
L. Tartaglia, N. Elias-Rosa, A. Pastorello +11
We report the results of our follow-up campaign of the supernova impostor PSN J09132750+7627410, based on optical data covering . From the beginning, the transient…
Breaking the color-reddening degeneracy in type Ia supernovae
M. Sasdelli, E. E. O. Ishida, W. Hillebrandt +3
A new method to study the intrinsic color and luminosity of type Ia supernovae (SNe Ia) is presented. A metric space built using principal component analysis (PCA) on spectral seri…
An analytical approach to the dwarf galaxies cusp problem
Rafael S. de Souza, Emille E. O. Ishida
An analytical solution for the discrepancy between observed core-like profiles and predicted cusp profiles in dark matter halos is studied. We calculate the distribution function f…
When did cosmic acceleration start? How fast was the transition?
Emille E. O. Ishida, Ribamar R. R. Reis, Alan V. Toribio +1
Cosmic acceleration is investigated through a kink-like expression for the deceleration parameter (q). The new parametrization depends on the initial (q_i) and final (q_f) values o…