The measurement of coronal fields has in the past generally been restricted to the field strength or to only some of the components of the magnetic vector. We...

We present long-slit observations in the red and near infrared of 12 HII galaxies made with the Isaac Newton Telescope at the Roque de los Muchachos Observatory...

We report on sulphur abundances in halo stars as derived from near-IR UVES spectra. The importance of removing telluric lines and residual CCD fringing patterns...

Sulphur is the tenth most abundant element in the Universe and plays an im-portant role in studies of the chemical enrichment and star formation history of...

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NGC 6633 is a solar metallicity, young open cluster. In addition to providing useful information from an asteroseismic point of view, it has the additional...

The sky is a very important component of the landscape that has been lost in our modern, overcrowded, and excessively illuminated cities. However, this was not...

The Sunrise balloon-borne solar observatory carries a 1 m aperture optical telescope and provides us a unique platform to conduct continuous seeing-free...

SUNRISE is a balloon-borne telescope with an aperture of one meter. It is equipped with a filter imager for the UV wavelength range between 214 nm and 400 nm...