24 citations · 73 across the 9 of their papers we have counts for
4 papers · 1 filter
Reviewing the observational evidence against long-lived spiral arms in galaxies
Eric E. Martinez-Garcia, Ivanio Puerari
We review Foyle et al. (2011) previous results, by applying a Fourier intensity phases method to a nine object sample of galaxies. It was found that two of the objects (NGC 628 and…
Signatures of long-lived spiral patterns
Eric E. Martinez-Garcia, Rosa A. Gonzalez-lopezlira
Azimuthal age/color gradients across spiral arms are a signature of long-lived spirals. From a sample of 19 normal (or weakly barred) spirals where we have previously found azimuth…
Slowly rotating gas-rich galaxies in modified Newtonian dynamics (MOND)
F. J. Sanchez-Salcedo, A. M. Hidalgo-Gamez, Eric E. Martinez-Garcia
We have carried out a search for gas-rich dwarf galaxies that have lower rotation velocities in their outskirts than MOdified Newtonian Dynamics (MOND) predicts, so that the amplit…
Effects of Non-Circular Motions on Azimuthal Color Gradients
Eric E. Martinez-Garcia, Rosa A. Gonzalez-Lopezlira, Gilberto C. Gomez
Assuming that density waves trigger star formation, and that young stars preserve the velocity components of the molecular gas where they are born, we analyze the effects that non-…