Kinematics of the dwarf elliptical galaxy IC 225

Details Kinematics of the dwarf elliptical galaxy IC 225 Kinematics of the dwarf elliptical galaxy IC 225

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008iaus..245..311m&link_type=abstract

Formation and Evolution of Galaxy Bulges, Proceedings of the International Astronomical Union, IAU Symposium, Volume 245, p. 311

Astronomy and Astrophysics

Astronomy

1

Galaxies: Dwarf, Galaxies: Kinematics And Dynamics, Galaxies: Nuclei

Scientific paper

We present the 2D kinematics of the nuclear region of the double-nucleated low-luminosity elliptical galaxy IC 225. Observations with the GMOS-N IFU at Gemini Observatory show a large amount of metal-rich gas coincident with the off-center nucleus. However, preliminary kinematics analysis indicates that the velocity of the stars in the off-center nucleus is distinct from that of the gas at the same position. Therefore, this is an intriguing example of how the formation of a nucleus or bulge may be occurring in a low-luminosity elliptical galaxy.

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