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194 papers · 1 filter
The Gaia-ESO Survey: Abundance ratios in the inner-disk open clusters Trumpler 20, NGC 4815, NGC 6705
L. Magrini, S. Randich, D. Romano +50
Open clusters are key tools to study the spatial distribution of abundances in the disk and their evolution with time. Using the first release of stellar parameters and abundances…
The Galactic O-Star Spectroscopic Survey (GOSSS). II. Bright Southern Stars
A. Sota, J. Maíz Apellániz, N. I. Morrell +5
We present the second installment of GOSSS, a massive spectroscopic survey of Galactic O stars, based on new homogeneous, high signal-to-noise ratio, R ~ 2500 digital observations…
HOPS 136: An Edge-On Orion Protostar Near the End of Envelope Infall
William J. Fischer, S. Thomas Megeath, John J. Tobin +10
Edge-on protostars are valuable for understanding the disk and envelope properties of embedded young stellar objects, since the disk, envelope, and envelope cavities are all distin…
Intermittent dust mass loss from activated asteroid P/2013 P5 (PANSTARRS)
F. Moreno., J. Licandro, C. Álvarez-Iglesias +2
We present observations and models of the dust environment of activated asteroid P/2013 P5 (PANSTARRS). The object displayed a complex morphology during the observations, with the…
Emergence of granular-sized magnetic bubbles through the solar atmosphere: I. Spectropolarimetric observations and simulations
Ada Ortiz, Luis Bellot Rubio, Viggo Hansteen +2
We study a granular-sized magnetic flux emergence event that occurred in NOAA 11024 in July 2009. The observations were made with the CRISP spectropolarimeter at the Swedish 1 m So…
On Dynamics of G-Band Bright Points
M. Bodnárová, D. Utz, J. Rybák
Various parameters describing the dynamics of G-band bright points (GBPs) were derived from G-band images, acquired by the Dutch Open Telescope (DOT), of a quiet region close to th…