3 papers
astro-ph.GA2025
The impact of selection criteria on the properties of green valley galaxies
Beatrice Nyiransengiyumva, Mirjana Povic, Pheneas Nkundabakura +2
Context: The bi-modality in the distribution of galaxies usually obtained from colour-colour or colour-stellar mass diagrams has been studied to show the difference between the gal…
astro-ph.IM2025
National Mapping and Testing of Astronomical Sites in Ethiopia (NMTASE)
SSGI Collbaration, :, Shambel Sahlu +10
This work aims to choose potential astronomical sites that can be candidates for a new astronomical optical observatory in Ethiopia, in addition to the Entoto Observatory and Lalib…
astro-ph.GA2017
Restarting activity in the nucleus of PBC J2333.9-2343: an extreme case of jet realignment
L. Hernández-García, F. Panessa, M. Giroletti +8
PBC J2333.9-2343 is a giant radio galaxy which shows different characteristics at different wavebands that are difficult to explain within the actual generic schemes of unification…