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Observational constraints on the optical and near-infrared emission from the neutron star-black hole binary merger S190814bv
K. Ackley, L. Amati, C. Barbieri +151
On 2019 August 14, the LIGO and Virgo interferometers detected a high-significance event labelled S190814bv. Preliminary analysis of the GW data suggests that the event was likely…
Accretion-ejection connection in the young brown dwarf candidate ISO-Cha1 217
E. T. Whelan, J. M. Alcala, F. Bacciotti +7
As the number of observed brown dwarf outflows is growing it is important to investigate how these outflows compare to the well studied jets from young stellar objects. A key point…
X-Shooter spectroscopy of young stellar objects: V - Slow winds in T Tauri stars
A. Natta, L. Testi, J. M. Alcalá +4
Disks around T Tauri stars are known to lose mass, as best shown by the profiles of forbidden emission lines of low ionization species. At least two separate kinematic components h…
X-Shooter spectroscopy of young stellar objects: IV -- Accretion in low-mass stars and sub-stellar objects in Lupus
J. M. Alcalá, A. Natta, C. F. Manara +11
We present X-Shooter/VLT observations of a sample of 36 accreting low-mass stellar and sub-stellar objects (YSOs) in the Lupus star forming region, spanning a range in mass from ~0…
X-Shooter spectroscopy of young stellar objects III. Photospheric and chromospheric properties of Class III objects
B. Stelzer, A. Frasca, J. M. Alcala +7
We analyzed X-Shooter/VLT spectra of 24 ClassIII sources from three nearby star-forming regions (sigmaOrionis, LupusIII, and TWHya). We determined the effective temperature, surfac…