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395 papers · 1 filter
Multiband variability studies and novel broadband SED modeling of Mrk 501 in 2009
M. L. Ahnen, S. Ansoldi, L. A. Antonelli +290
We present an extensive study of the BL Lac object Mrk 501 based on a data set collected during the multi-instrument campaign spanning from 2009 March 15 to 2009 August 1 which inc…
Discovery of wide low and very low-mass binary systems using Virtual Observatory tools
M. C. Galvez-Ortiz, E. Solano, N. Lodieu +1
The frequency of multiple systems and their properties are key constraints of stellar formation and evolution. Formation mechanisms of very low-mass (VLM) objects are still under c…
The Radio Spectral Energy Distribution and Star Formation Rate Calibration in Galaxies
F. S. Tabatabaei, E. Schinnerer, M. Krause +17
We study the spectral energy distribution (SED) of the radio continuum emission from the KINGFISH sample of nearby galaxies to understand the energetics and origin of this emission…
Optical and near-infrared linear polarization of low and intermediate-gravity ultra-cool dwarfs
P. A. Miles-Páez, M. R. Zapatero Osorio, E. Pallé +1
We aim to study the optical and near-infrared linear polarimetric properties of a sample of young M7-L7 dwarfs (1-500 Myr) with spectroscopic signatures of low- and interm…
New runaway O-type stars in the first Gaia Data Release
J. Maíz Apellániz, R. H. Barbá, S. Simón-Díaz +2
We have detected 13 new runaway-star candidates of spectral type O combining the TGAS (Tycho-Gaia Astrometric Solution) proper motions from Gaia Data Release 1 (DR1) and the sample…
Non-Vestoid candidate asteroids in the inner main belt
Dagmara Oszkiewicz, Brian A. Skiff, Nick Moskovitz +5
Most Howardite-Eucrite-Diogenite (HED) meteorites (analogs to V-type asteroids) are thought to originate from asteroid (4) Vesta. However, some HEDs show distinct oxygen isotope ra…