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352 papers · 1 filter
The accretion-ejection coupling in the black hole candidate X-ray binary MAXI J1836-194
T. D. Russell, R. Soria, J. C. A. Miller-Jones +4
We present the results of our quasi-simultaneous radio, sub-mm, infrared, optical and X-ray study of the Galactic black hole candidate X-ray binary MAXI J1836-194 during its 2011 o…
GRB 130606A within a sub-DLA at redshift 5.91
A. J. Castro-Tirado, R. Sánchez-Ramírez, S. L. Ellison +38
Events such as GRB130606A at z=5.91, offer an exciting new window into pre-galactic metal enrichment in these very high redshift host galaxies. We study the environment and host ga…
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…
Improved Hubble Space Telescope Proper Motions for Tycho-G and Other Stars in the Remnant of Tycho's Supernova 1572
L. R. Bedin, P. Ruiz-Lapuente, J. I. Gonzalez Hernandez +4
With archival and new Hubble Space Telescope observations we have refined the space-velocity measurements of the stars in the central region of the remnant of Tycho's supernova (SN…
Astrophysical parameters of the peculiar X-ray transient IGR J11215-5952
J. Lorenzo, I. Negueruela, N. Castro +3
The hard X-ray source IGR J11215-5952 is a peculiar transient, displaying very short X-ray outbursts every 165 days. We obtained high-resolution spectra of the optical counterpart,…
A new procedure for defining a homogenous line-list for solar-type stars
S. G. Sousa, N. C. Santos, V. Adibekyan +9
Context. The homogenization of the stellar parameters is an important goal for large observational spectroscopic surveys, but it is very difficult to achieve it because of the dive…