Bibcode
Velasco, S.; Rebolo, R.; Mackay, C.; Oscoz, A.; King, D. L.; Crass, J.; Díaz-Sánchez, A.; Femenía, B.; González-Escalera, V.; Labadie, L.; López, R. L.; Pérez Garrido, A.; Puga, M.; Rodríguez-Ramos, L. F.; Zuther, J.
Bibliographical reference
Highlights of Spanish Astrophysics VIII, Proceedings of the XI Scientific Meeting of the Spanish Astronomical Society held on September 8-12, 2014, in Teruel, Spain, ISBN 978-84-606-8760-3. A. J. Cenarro, F. Figueras, C. Hernández-Monteagudo, J. Trujillo Bueno, and L. Valdivielso (eds.), p. 850-855
Advertised on:
5
2015
Citations
2
Refereed citations
2
Description
In this paper we present the Adaptive Optics Lucky Imager (AOLI), a
state-of-the-art instrument which makes use of two well proved
techniques for extremely high spatial resolution with ground-based
telescopes: Lucky Imaging (LI) and Adaptive Optics (AO). AOLI comprises
an AO system, including a low order non-linear curvature wavefront
sensor together with a 241 actuators deformable mirror, a science array
of four 1024x1024 EMCCDs, allowing a 120×120 down to 36×36"
field of view, a calibration subsystem and a powerful LI software.
Thanks to the revolutionary WFS, AOLI shall have the capability of using
faint reference stars (I˜16.5-17.5), enabling it to be used over a
much wider part of the sky than with common Shack-Hartmann AO systems.
This instrument saw first light in September 2013 at William Herschel
Telescope. Although the instrument was not complete, these commissioning
demonstrated its feasibility, obtaining a FWHM for the best PSF of
0.151±0.005" and a plate scale of 55.0±0.3 {mas}
{pix}^{-1}. Those observations served us to prove some characteristics
of the interesting multiple T Tauri system LkHα 262-263, finding
it to be gravitationally bounded. This interesting multiple system mixes
the presence of proto-planetary discs, one proved to be double, and the
first-time optically resolved pair LkHα 263AB (0.42" separation).