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244 papers · 1 filter
First determination of s-process element abundances in pre-main sequence clusters: Y, Zr, La, and Ce in IC 2391, the Argus association and IC 2602
Valentina D'Orazi, Gayandhi De Silva, Claudio Melo
Several high-resolution spectroscopic studies have provided compelling observational evidence that open clusters display a decreasing trend of their barium abundances as a function…
SPHERE/SHINE reveals concentric rings in the debris disk of HIP 73145
M. Feldt, J. Olofsson, A. Boccaletti +22
The debris disk of HIP73145 has been detected in scattered light in the near-IR, and at far-IR wavelengths before, but no substructure has been seen so far. Detection of such subst…
Planck intermediate results. LII. Planet flux densities
Planck Collaboration, Y. Akrami, M. Ashdown +147
Measurements of flux density are described for five planets, Mars, Jupiter, Saturn, Uranus, and Neptune, across the six Planck High Frequency Instrument frequency bands (100-857 GH…
X-Shooter spectroscopy of young stellar objects in Lupus: Accretion properties of class II and transitional objects
J. M. Alcala', C. F. Manara, A. Natta +11
We present the results of a study of the stellar and accretion properties of the (almost) complete sample of class II and transitional YSOs in the Lupus I, II, III and IV clouds, b…
In and out star formation in z~1.5 quiescent galaxies from rest-frame UV spectroscopy and the far-infrared
Raphael Gobat, Emanuele Daddi, Veronica Strazzullo +18
We present a sample of 34 spectroscopically confirmed BzK-selected ~1e11 Msun quiescent galaxies (pBzK) in the COSMOS field. The targets were initially observed with VIMOS on the V…
Low redshift quasars in the SDSS Stripe 82: Associated companion galaxies and signature of star formation
D. Bettoni, R. Falomo, J. K. Kotilainen +1
We obtained optical spectroscopy of close (< 80 kpc) companion objects of a sample of 12 low redshift quasars (z < 0.3 ) selected from the SDSS Stripe82 area and that are in the su…