The steep abundance gradient found by McCall, Shields, and Rybski (1981) in the Sbc galaxy NGC 3344 is confirmed by a measurement of the electron temperature in...
-
PublicaciónThe Abundance Gradient in NGC 3344
-
PublicaciónThe embedded cluster IRAS17136 - 3617 associated with the nebulosity GM24
Radio, infrared, and optical observations of the embedded infrared cluster IRAS17136 - 3617 are reviewed. The cluster consists of more than 25 stars with a...
-
PublicaciónThe extended nebulosity in the radio galaxy 3C 227
3C 227 (z = 0.085) exhibits one of the more spectacular extended nebulosities to be found among active galaxies at moderate redshifts. The gas can be traced to...
-
PublicaciónThe nature of the Kleinmann-Low nebula
Recent data on, and interpretations of the Kleinmann-Low nebula are examined. It is suggested that associated high velocity gas is radiatively accelerated by a...
-
CharlaTracing the Chemical Evolution of Metals in local Star-Forming Galaxies: aperture effects and abundance patterns
Nebular emission lines are a powerful diagnostic tool for tracing the chemical evolution in star-forming galaxies (SFGs) across cosmic time. Due to their...
-
NoticiaUna burbuja interestelar gigante crece en la galaxia de Andrómeda
Un estudio internacional en el que participan investigadores del Instituto de Astrofísica de Canarias (IAC) y la Universidad de La Laguna (ULL) ha descubierto...