A specific modification of Newtonian dynamics known as MOND has been shown to reproduce the dynamics of most astrophysical systems at different scales without...
Visible and infrared blazar monitoring in the Canary Islands - 1986-1998
A programme of visible multi-colour monitoring of blazars was started in the Canary Islands in 1986. Infrared monitoring was added to the programme in 1988. The...
Visible and Infrared Images of C/1999 S4 (LINEAR) during the Disruption of Its Nucleus
An analysis of the behavior of the dust coma of the Comet C/1999 S4 (LINEAR) from visible and infrared images acquired shortly before and after the disruption...
Visible and near-infrared monitoring of 3C279 in 1988-89
Near infrared monitoring taken with the 1.5 m Carlos Sanchez Telescope in Tenerife of the decline of 3C279 during its 1988 outburst is presented. These data are...
Visible and near-infrared observations of asteroid 2012 DA14 during its closest approach of February 15, 2013
Context. Near-Earth asteroid 2012 DA14 made its closest approach on February 15, 2013, when it passed at a distance of 27 700 km from the Earth's surface. It...
Visible and near-infrared observations of interstellar comet 2I/Borisov with the 10.4-m GTC and the 3.6-m TNG telescopes
In this work, we present the results of an observational study of 2I/Borisov carried out with the 10.4-m Gran Telescopio Canarias (GTC) and the 3.6-m Telescopio...
Visible spectra of (474640) 2004 VN112-2013 RF98 with OSIRIS at the 10.4 m GTC: evidence for binary dissociation near aphelion among the extreme trans-Neptunian objects
The existence of significant anisotropies in the distributions of the directions of perihelia and orbital poles of the known extreme trans-Neptunian objects...
Visible spectroscopy in the neighborhood of 2003EL{61}
Context: The recent discovery of a group of trans-neptunian objects (TNOs) in a narrow region of the orbital parameter space and with surfaces composed of...
Visible spectroscopy of 2003 UB313: evidence for N2 ice on the surface of the largest TNO?
Context: .The recent discovery of two large trans-Neptunian objects (TNOs) 2003 UB313 and 2005 FY9, with surface properties similar to those of Pluto, provides...