INVESTIGADORES
LARES HARBIN LATORRE marcelo
congresos y reuniones científicas
Título:
Dinámica de galaxias en grupos
Autor/es:
LARES, MARCELO; GARCIA LAMBAS, DIEGO RODOLFO; SANCHEZ, ARIEL GUILLERMO; MERCHAN, MANUEL ENRIQUE
Lugar:
La Plata, Buenos Aires, Argentina
Reunión:
Congreso; 46 Reunion Anual de la Asociacion Argentina de Astronomia; 2003
Institución organizadora:
Asociacion Argentina de Astronomia
Resumen:
We used the 2dFGRS to analize dynamical aspects of galaxies in groups.
For this purpose, we constructed velocity distribution functions of
different subsamples of galaxies. We find that there exists at least two
types of galaxies with different physical and dynamical properties:
spheroidal objects and late-type star-forming galaxies. The last set
presents a broader dynamical distribution. We interpret this results in
terms of evolutionary models. We discuss the mechanisms that give origin
to the variety of shapes, luminosities and dynamical characteristics of
galaxies, and analize the dependences of this segregation effects on
luminosity and virial mass of the groups.
