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A search for magnetic fields in cool sdB stars
G. Mathys, S. Hubrig, E. Mason +3
Hot cluster Horizontal Branch (HB) stars and field subdwarf B (sdB) stars are core helium burning stars that exhibit abundance anomalies that are believed to be due to atomic diffu…
X-shooter, the new wide band intermediate resolution spectrograph at the ESO Very Large Telescope
Joel Vernet, H. Dekker, S. D'Odorico +87
X-shooter is the first 2nd generation instrument of the ESO Very Large Telescope(VLT). It is a very efficient, single-target, intermediate-resolution spectrograph that was installe…
U Sco 2010 outburst: observational evidence of an underlying ONeMg white dwarf
Elena Mason
This paper presents U Sco nebular spectra collected in the period March-May 2010 after the binary outburst on Jan 28, 2010. The spectra display strong [Ne V] and [Ne III] lines tha…
The spectrum of (136199) Eris between 350 and 2350 nm: Results with X-Shooter
A. Alvarez-Candal, N. Pinilla-Alonso, J. Licandro +7
X-Shooter is the first second-generation instrument for the ESO-VLT. It as a spectrograph covering the 300 - 2480 nm spectral range at once with a high resolving power. These prope…
Connecting RS OPh to [some] Type Ia Supernovae
F. Patat, N. N. Chugai, Ph. Podsiadlowski +3
Aims: Recurrent nova systems like RS Oph have been proposed as a possible channel to Type Ia Supernova explosions, based on the high mass of the accreting white dwarf. Additional s…
A ground-based Ks-band detection of the thermal emission from the transiting exoplanet WASP-4b
C. Caceres, V. D. Ivanov, D. Minniti +6
Secondary eclipses are a powerful tool to measure directly the thermal emission from extrasolar planets, and to constrain their type and physical parameters. We started a project t…