18.1k citations
- Instituto de Astrofísica de CanariasES252 papers
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18 papers · 1 filter
Project overview and update on WEAVE: the next generation wide-field spectroscopy facility for the William Herschel Telescope
Gavin Dalton, Scott Trager, Don Carlos Abrams +50
We present an overview of and status report on the WEAVE next-generation spectroscopy facility for the William Herschel Telescope (WHT). WEAVE principally targets optical ground-ba…
Probing the Local Bubble with Diffuse Interstellar Bands. II. The DIB properties in the Northern hemisphere
Amin Farhang, Habib G. Khosroshahi, Atefeh Javadi +9
We present a new high signal to noise ratio spectroscopic survey of the Northern hemisphere to probe the Local Bubble and its surroundings using the Å and Å Diffuse…
Ground-Based Transit Observations of the Super-Earth 55 Cnc e
E. J. W. de Mooij, M. Lopez-Morales, R. Karjalainen +2
We report the first ground-based detections of the shallow transit of the super-Earth exoplanet 55 Cnc e using a 2-meter-class telescope. Using differential spectrophotometry, we o…
Detecting non-uniform period spacings in the Kepler photometry of gamma Doradus stars: methodology and case studies
T. Van Reeth, A. Tkachenko, C. Aerts +9
Context. The analysis of stellar oscillations is one of the most reliable ways to probe stellar interiors. Recent space missions such as Kepler have provided us with an opportunity…
Defocussed Transmission Spectroscopy: A potential detection of sodium in the atmosphere of WASP-12b
J. R. Burton, C. A. Watson, P. Rodriguez-Gil +4
We report on a pilot study of a novel observing technique, defocussed transmission spectroscopy, and its application to the study of exoplanet atmospheres using ground-based platfo…
Circular polarization in the optical afterglow of GRB 121024A
K. Wiersema, S. Covino, K. Toma +37
Gamma-ray bursts (GRBs) are most probably powered by collimated relativistic outflows (jets) from accreting black holes at cosmological distances. Bright afterglows are produced wh…