258 citations · 359 across the 10 of their papers we have counts for
8 papers
Asteroseismology of PG 1541651 and BPM 31594 with TESS
Alejandra D. Romero, Gabriela Oliveira da Rosa, S. O. Kepler +5
We present the photometric data from TESS for two known ZZ Ceti stars, PG 1541+651 and BPM 31594. Before TESS, both objects only had observations from short runs from ground-based…
Uncovering the chemical structure of the pulsating low-mass white dwarf SDSS J115219.99+024814.4
A. D. Romero, G. R. Lauffer, A. G. Istrate +1
Pulsating low-mass white dwarf stars are white dwarfs with stellar masses between 0.30~M and 0.45~M that show photometric variability due to gravity-mode pulsat…
Asteroseismology of ZZ Ceti stars with fully evolutionary white dwarf models: I. The impact of the uncertainties from prior evolution on the period spectrum
Francisco C. De Gerónimo, Leandro G. Althaus, Alejandro H. Córsico +2
ZZ Ceti stars are pulsating white dwarfs with a carbon-oxygen core build up during the core helium burning and thermally pulsing Asymptotic Giant Branch phases. Through the interpr…
White Dwarfs in the Metal-Rich Open Cluster NGC 6253
Elizabeth J. Jeffery, Fabiola Campos, Alejandra Romero +1
We have obtained 53 images with the filter and 19 images with the filter, each with 600-second exposures of the super metal rich open cluster NGC 6253 with the Gemini-South…
What's the nature of sdA stars?
Ingrid Pelisoli, S. O. Kepler, D. Koester +1
White dwarfs with log g lower than 7.0 are called Extremely Low Mass white dwarfs (ELMs). They were first found as companions to pulsars, then to other white dwarfs and main sequen…
White Dwarf Mass Distribution
S. O. Kepler, Detlev Koester, Alejandra Daniela Romero +2
We present the mass distribution for all S/N > 15 pure DA white dwarfs detected in the Sloan Digital Sky Survey up to Data Release 12, fitted with Koester models for ML2/alpha=0.8,…