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MARVEL, a four-telescope array for high-precision radial-velocity monitoring
Gert Raskin, Christian Schwab, Bart Vandenbussche +23
Since the first discovery of a planet outside of our Solar System in 1995, exoplanet research has shifted from detecting to characterizing worlds around other stars. The TESS (NASA…
Optimizing MARVEL for the radial velocity follow-up of TESS and PLATO transiting exoplanets
Cyprien Lanthermann, Joris De Ridder, Hugues Sana +6
The space missions TESS and PLATO plan to double the number of 4000 exoplanets already discovered and will measure the size of thousands of exoplanets around the brightest stars in…
Massive stars in extremely metal-poor galaxies: A window into the past
M. Garcia, C. J. Evans, J. M. Bestenlehner +19
Cosmic History has witnessed the lives and deaths of multiple generations of massive stars, all of them invigorating their host galaxies with ionizing photons, kinetic energy, fres…
CUBESPEC: Low-cost space-based astronomical spectroscopy
Gert Raskin, Tjorven Delabie, Wim De Munter +10
CubeSats are routinely used for low-cost photometry from space. Space-borne spectroscopy, however, is still the exclusive domain of much larger platforms. Key astrophysical questio…
Finding the UV-Visible Path Forward: Proceedings of the Community Workshop to Plan the Future of UV/Visible Space Astrophysics
Paul A. Scowen, Todd Tripp, Matt Beasley +30
We present the science cases and technological discussions that came from the workshop entitled "Finding the UV-Visible Path Forward" held at NASA GSFC June 25-26, 2015. The materi…
Molecfit: A general tool for telluric absorption correction II. Quantitative evaluation on ESO-VLT X-Shooter spectra
W. Kausch, S. Noll. A. Smette, S. Kimeswenger +6
Context: Absorption by molecules in the Earth's atmosphere strongly affects ground-based astronomical observations. The resulting absorption line strength and shape depend on the h…