19 citations · 95 across the 8 of their papers we have counts for
8 papers
COATLI: an all-sky robotic optical imager with 0.3 arcsec image quality
Alan M. Watson, Salvador Cuevas Cardona, Luis C. Álvarez Núñez +12
COATLI will provide 0.3 arcsec FWHM images from 550 to 900 nm over a large fraction of the sky. It consists of a robotic 50-cm telescope with a diffraction-limited fast-guiding ima…
FRIDA: diffraction-limited imaging and integral-field spectroscopy for the GTC
Alan M. Watson, José A. Acosta-Pulido, Luis C. Álvarez-Núñez +27
FRIDA is a diffraction-limited imager and integral-field spectrometer that is being built for the adaptive-optics focus of the Gran Telescopio Canarias. In imaging mode FRIDA will…
Magnetohydrodynamics dynamical relaxation of coronal magnetic fields. IV. 3D tilted nulls
Jorge Fuentes-Fernandez, Clare E. Parnell
In this paper we study current accumulations in 3D "tilted" nulls formed by a folding of the spine and fan. A non-zero component of current parallel to the fan is required such tha…
Dynamical Relaxation of Coronal Magnetic Fields. III. 3D Spiral Nulls
Jorge Fuentes-Fernandez, Clare E. Parnell
Context: The majority of studies on stressed 3D magnetic null points consider magnetic reconnection driven by an external perturbation, but the formation of a genuine current sheet…
The onset of Impulsive Bursty reconnection at a two-dimensional current layer
J. Fuentes-Fernández, C. E. Parnell, E. R. Priest
The sudden reconnection of a non-force free 2D current layer, embedded in a low-beta plasma, triggered by the onset of an anomalous resistivity, is studied in detail. The resulting…
Consequences of spontaneous reconnection at a two-dimensional non-force-free current layer
Jorge Fuentes-Fernández, Clare E. Parnell, Alan W. Hood +2
Magnetic neutral points, where the magnitude of the magnetic field vanishes locally, are potential locations for energy conversion in the solar corona. The fact that the magnetic f…
Magnetohydrodynamics dynamical relaxation of coronal magnetic fields. I. Parallel untwisted magnetic fields in 2D
Jorge Fuentes-Fernández, Clare E. Parnell, Alan W. Hood
Context. For the last thirty years, most of the studies on the relaxation of stressed magnetic fields in the solar environment have onlyconsidered the Lorentz force, neglecting pla…
Magnetohydrodynamics dynamical relaxation of coronal magnetic fields. II. 2D magnetic X-points
Jorge Fuentes-Fernández, Clare E. Parnell, Alan W. Hood
We provide a valid magnetohydrostatic equilibrium from the collapse of a 2D X-point in the presence of a finite plasma pressure, in which the current density is not simply concentr…