3 papers
astro-ph2002
Unveiling the Behavior of the Ionized Gas in Irregular Galaxies
Margarita Valdez-Gutierrez, Margarita Rosado, ;
We present the results of a detailed kinematical and dynamical analysis performed in two highly interesting gas-rich Irregular galaxies (Irrs): IC 1613 and NGC 4449. The analysis h…
astro-ph2002
A Fabry-Perot Study of the Scd I galaxy NGC 5457
Ivanio Puerari, Margarita Valdez-Gutierrez, Margarita Rosado
We have analyzed Halpha Fabry-Perot interferograms of NGC 5457 (M101) in order to calculate the rotation curve. We have also isolated a sample of 263 HII regions and we determined…
astro-ph2000
The Red Stellar Contents of Three Selected Fields of The Local Group Dwarf Irregular Galaxy IC1613
J. Borissova, L. Georgiev, R. Kurtev +4
We present a moderately-deep JK photometry for three selected areas of the dwarf irregular galaxy IC1613. The color-magnitude diagrams contain a mixture of red supergiants, asympto…