Publication
Oscillations in a complex umbra.
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PublicationOscillations in a sunspot umbra from the inversion of infrared Stokes profilesWe report on the detection of magnetic field strength and velocity oscillations in the photosphere of a sunspot umbra. Our analysis is based on the inversion of...
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PublicationOscillatory behaviour in sunspot umbraeA set of series of spectra of high spectral resolution corresponding to the same umbra on several days, is used to study the oscillations related to evolution...
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PublicationOsiris at GTCThe hardware of the OSIRIS instrument is nearly complete. The instrument commissioning will continue with the validation of the remaining observing modes that...
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PublicationOSIRIS camera barrel optomechanical designA Camera Barrel, located in the OSIRIS imager/spectrograph for the Gran Telescopio Canarias (GTC), is described in this article. The barrel design has been...
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PublicationOSIRIS deep Imaging of Cygnus OB2: the stellar population of the Cygnus X central engineThe young massive cluster Cyg OB2 is the closest massive star forming region to the Sun, with hundreds of OB members, and then the best target in the Milky Way...
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PublicationOSIRIS DetectorsOSIRIS (Optical System for Imaging and Low-Resolution Integrated Spectroscopy) is an instrument designed to obtain images and low-resolution spectra of...
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PublicationOSIRIS Hα imaging of the NGC 2770 supernova factory and its satellite NGC 2770BIn the last 12 years NGC 2770 hosted 2 standard supernovae (SNe) and one X-ray transient event (SN2008D) similar to a Gamma-Ray Burst (GRB). Given the close (27...
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PublicationOSIRIS Imaging and Spectroscopy for the GTCThe characteristics of OSIRIS (Optical System for Imaging and low-Resolution Integrated Spectroscopy), an instrument for imaging and low resolution spectroscopy...