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9 papers · 1 filter
The Northern Sky Optical Cluster Survey III: A Cluster Catalog Covering Pi Steradians
R. R. Gal, P. A. A. Lopes, R. R. de Carvalho +3
We present the complete galaxy cluster catalog from the Northern Sky Optical Cluster Survey, a new, objectively defined catalog of candidate galaxy clusters at z<0.25 drawn from th…
On the gravitational content of molecular clouds and their cores
Javier Ballesteros-Paredes, Gilberto C. Gómez, Bárbara Pichardo +1
(Abridged) The gravitational term for clouds and cores entering in the virial theorem is usually assumed to be equal to the gravitational energy, since the contribution to the grav…
Proper Motions of Thermal Radio Sources near HH 7-11 in the NGC 1333 Star Forming Region
C. Carrasco-Gonzalez, G. Anglada, L. F. Rodriguez +2
Star forming regions are expected to show linear proper motions due to the relative motion of the Sun with respect to the region. These proper motions appear superposed to the prop…
High Angular Resolution Observations at 7-mm of the Core of the Quadrupolar HH 111/121 Outflow
L. F. Rodriguez, J. M. Torrelles, G. Anglada +1
We present sensitive, high angular resolution () VLA continuum observations made at 7 mm of the core of the HH 111/121 quadrupolar outflow. We estimate that at this…
Abundance variations in the globular cluster M71 (NGC 6838)
A. Alves-Brito, R. P. Schiavon, B. Castilho +1
Abundance variations in moderately metal-rich globular clusters can give clues about the formation and chemical enrichment of globular clusters. CN, CH, Na, Mg and Al indices in sp…
The Stellar Populations of Starburst Galaxies Through near infrared spectroscopy
R. Riffel, M. G. Pastoriza, A. Rodriguez-Ardila +1
We study the central (inner few hundred parsecs) stellar populations of four starburst galaxies (NGC34, NGC1614, NGC3310 and NGC7714) in the near-infrared (NIR), from 0.8 to 2.4mic…