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47 papers
WST, the wide-field spectroscopic telescope: progress on the design of the instruments
David Lee, Joel Vernet, Elizabeth George +46
WST, the Wide-field Spectroscopic Telescope is a proposed new facility that will provide a transformational gain in spectroscopic survey capability over existing facilities. The WS…
Progress of the design of the 12-m optical, Wide-field Spectroscopic Telescope (WST)
P. Dierickx, G. Gausachs, C. Cudennec +16
The Wide-Field Spectroscopic Telescope (WST) is a 12-m class, Alt-Az optical telescope providing two simultaneous foci, 2 degrees and 3 by 3 arc minutes respectively, for Multi-Obj…
V838 Mon: A slow waking up of Sleeping Beauty?
T. Liimets, I. Kolka, M. Kraus +15
Context. V838 Monocerotis is a peculiar binary that underwent an immense stellar explosion in 2002, leaving behind an expanding cool supergiant and a hot B3V companion. Five years…
Optical spectra of FO Aquarii during low and high accretion rates
M. R. Kennedy, P. M. Garnavich, C. Littlefield +7
Between May 2016 and September 2018, the intermediate polar (IP) FO Aquarii exhibited two distinct low states and one failed low state. We present optical spectroscopy of FO Aquari…
Observational Investigation of the 2013 Near-Earth Encounter by Asteroid (367943) Duende
Nicholas Moskovitz, Conor Benson, Daniel Scheeres +20
On 15 February 2013, the asteroid 367943 Duende (2012 DA14) experienced a near-Earth encounter at an altitude of 27,700 km or 4.2 Earth radii. We present here the results of an ext…
Interstellar Interloper 1I/2017 U1: Observations from the NOT and WIYN Telescopes
David Jewitt, Jane Luu, Jayadev Rajagopal +4
We present observations of the interstellar interloper 1I/2017 U1 ('Oumuamua) taken during its 2017 October flyby of Earth. The optical colors B-V = 0.700.06, V-R = 0.450…