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4 papers · 2 filters
A Multi-Color Optical Survey of the Orion Nebula Cluster. Part I: the Catalog
Nicola Da Rio, Massimo Robberto, David R. Soderblom +4
We present U, B, V, I broad-band, 6200A TiO medium-band and Halpha photometry of the Orion Nebula Cluster obtained with the WFI imager at the ESO/MPI 2.2 telescope. The nearly-simu…
Dynamical masses of early-type galaxies at z~2: Are they truly superdense?
Michele Cappellari, S. di Serego Alighieri, A. Cimatti +11
We measured stellar velocity dispersions sigma and dynamical masses of 9 massive (M~10^11 Msun) early-type galaxies (ETG) from the GMASS sample at redshift 1.4<z<2.0. The sigma are…
Trigonometric Parallaxes of Massive Star Forming Regions: VI. Galactic Structure, Fundamental Parameters and Non-Circular Motions
M. J. Reid, K. M. Menten, X. W. Zheng +11
We are using the VLBA and the Japanese VERA project to measure trigonometric parallaxes and proper motions of masers found in high-mass star-forming regions across the Milky Way. E…
The cluster birthline in M33
Edvige Corbelli, Simon Verley, Bruce Elmegreen +1
We test the reliability of infrared (IR) emission to trace star formation in individual star-forming sites of M33, and outline a new method for testing the distribution function of…