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Laser Guide Star uplink beam: scattering and Raman emission measurements with the 10.4m Gran Telescopio CANARIAS
G. Lombardi, D. Bonaccini Calia, M. Centrone +2
Laser Guide Star Adaptive Optics (LGS-AO) is becoming routine in several astronomical observatories. The use of powerful lasers generates sensible Raman emissions on the uplink las…
The GRANDMA network in preparation for the fourth gravitational-wave observing run
S. Agayeva, V. Aivazyan, S. Alishov +98
GRANDMA is a world-wide collaboration with the primary scientific goal of studying gravitational-wave sources, discovering their electromagnetic counterparts and characterizing the…
EIFIS: a modular extreme integral field spectrograph for the 10.4m GTC
Christina C. Thöne, Antonio de Ugarte Postigo, Marisa García Vargas +4
EIFIS (Extreme Integral FIeld Spectrograph) is a modular integral field spectrograph, based on image slicers, and makes use of new, large format detectors. The concept is thought t…
First light with HiPERCAM on the GTC
Vikram Dhillon, Simon Dixon, Trevor Gamble +20
HiPERCAM is a quintuple-beam imager that saw first light on the 4.2m William Herschel Telescope (WHT) in October 2017 and on the 10.4m Gran Telescopio Canarias (GTC) in February 20…
The new SOXS instrument for the ESO NTT
P. Schipani, R. Claudi, S. Campana +28
SOXS (Son Of X-Shooter) will be a unique spectroscopic facility for the ESO-NTT 3.5-m telescope in La Silla (Chile), able to cover the optical/NIR band (350-1750 nm). The design fo…
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…
Optical atmospheric extinction over Cerro Paranal
F. Patat, S. Moehler, K. O'Brien +14
Aims: The present study was conducted to determine the optical extinction curve for Cerro Paranal under typical clear-sky observing conditions, with an accuracy of 0.01 mag/airmass…
OCTOCAM: A fast multichannel imager and spectrograph for the 10.4m GTC
Antonio de Ugarte Postigo, Javier Gorosabel, Paolo Spano +11
OCTOCAM is a multi-channel imager and spectrograph that has been proposed for the 10.4m GTC telescope. It will use dichroics to split the incoming light to produce simultaneous obs…
Recent GRBs observed with the 1.23m CAHA telescope and the status of its upgrade
Javier Gorosabel, Petr Kubanek, Martin Jelinek +13
We report on optical observations of Gamma-Ray Bursts (GRBs) followed up by our collaboration with the 1.23m telescope located at the Calar Alto observatory. The 1.23m telescope is…