Showing astro-phShow all
3 papers · 1 filter
astro-ph2008
Bimodal abundance pattern in M51: evidence for corotation resonance effects
I. A. Acharova, O. A. Galazutdinova, J. R. D. Lépine +2
A chemical evolution model for the bimodal-like abundance distribution in the external galaxy M51 recently derived on the basis of HST data for more than a half million red supergi…
astro-ph2008★ 11 cited
HI aperture synthesis and optical observations of the pair of galaxies NGC 6907 and 6908
S. Scarano, Felipe R. H. Madsen, Nirupam Roy +1
NGC 6908, a S0 galaxy situated in direction of NGC 6907, was only recently recognized as a distinct galaxy, instead of only a part of NGC 6907. We present 21 cm radio synthesis obs…
astro-ph2000
Proper Motions of Pre-Main Sequence Stars in Southern Star-Forming Regions
R. Teixeira, C. Ducourant, M. J. Sartori +4
We present proper motion measurements of pre-main sequence (PMS) stars associated with major star-forming regions of the southern hemisphere (Chamaeleon, Lupus, Upper Scorpius - Op…