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76 papers · 2 filters
Molecular gas in low-metallicity starburst galaxies: Scaling relations and the CO-to-H conversion factor
Ricardo Amorín, C. Muñoz-Tuñón, J. A. L. Aguerri +1
We study the molecular content and the star formation efficiency of 21 Blue Compact Dwarfs (BCDs). We present CO(1-0) and (2-1) observations, further supplemented with additional C…
Carbon-enhanced metal-poor stars in different environments
Stefania Salvadori, Asa Skuladottir, Matteo de Bennassuti
The origin of carbon-enhanced metal-poor (CEMP) stars and their possible connections with the chemical elements produced by the first stellar generations is still highly debated. W…
X-Ray Detection of Warm Ionized Matter in the Galactic Halo
F. Nicastro, F. Senatore, A. Gupta +5
We report on a systematic investigation of the cold and mildly ionized gaseous baryonic metal components of our Galaxy, through the analysis of high resolution Chandra and XMM-Newt…
GeMS MCAO observations of the Galactic globular cluster NGC 2808: the absolute age
Davide Massari, G. Fiorentino, A. McConnachie +7
Globular clusters are the oldest stellar systems in the Milky Way and probe the early epoch of the Galaxy formation. However, the uncertainties on their absolute age are still too…
Infrared color selection of massive galaxies at z > 3
T. Wang, D. Elbaz, C. Schreiber +29
We introduce a new color-selection technique to identify high-redshift, massive galaxies that are systematically missed by Lyman-break selection. The new selection is based on the…
The Lyman alpha Reference Sample VI: Lyman alpha escape from the edge-on disk galaxy Mrk1486
Florent Duval, Göran Östlin, Matthew Hayes +16
While numerical simulations suggest that the strength of the Lyman alpha (Lya) line of star-forming disk galaxies strongly depends on the inclination at which they are observed (i.…