Outputs (6)

Centroid error compensation method for a star tracker under complex dynamic conditions (2017)
Journal Article
Tan, W., Qin, S., Myers, R., Morris, T., Jiang, G., Zhao, Y., …Dai, D. (2017). Centroid error compensation method for a star tracker under complex dynamic conditions. Optics Express, 25(26), 33559-33574. https://doi.org/10.1364/oe.25.033559

The traditional approach of a star tracker for reducing the dynamic error concentrates on a single frame of star images. Through correlating adjacent star images together with their angular relations sensed by a gyroscope unit (GU), the attitude-corr... Read More about Centroid error compensation method for a star tracker under complex dynamic conditions.

Recording fixational eye movements with a new AOSLO: simulation, measurement and evaluation (2017)
Journal Article
Young, L. K., Hauperich, A. K., Morris, T. J., Saunter, C. D., & Smithson, H. E. (2017). Recording fixational eye movements with a new AOSLO: simulation, measurement and evaluation. Journal of Vision, 17(7), https://doi.org/10.1167/17.7.34

Preliminary optical design of an Active Optics test bench for space applications (2017)
Presentation / Conference Contribution
Calcines, A., Bitenc, U., Rolt, S., Reeves, S., Doelman, N., Human, J., Morris, T., Myers, R., & Talbot, G. (2016, July). Preliminary optical design of an Active Optics test bench for space applications. Presented at XII Scientific Meeting of the Spanish Astronomical Society, Bilbao, Spain

This communication presents a preliminary optical design for a test bench conceived within the European Space Agency's TRP project (Active Optics Correction Chain (AOCC) for large monolithic mirrors) with the goal of designing and developing an Activ... Read More about Preliminary optical design of an Active Optics test bench for space applications.

Wave-front error breakdown in laser guide star multi-object adaptive optics validated on-sky by CANARY (2017)
Journal Article
Martin, O., Gendron, É., Rousset, G., Gratadour, D., Vidal, F., Morris, T., …Henry, D. (2017). Wave-front error breakdown in laser guide star multi-object adaptive optics validated on-sky by CANARY. Astronomy & Astrophysics, 598, Article A37. https://doi.org/10.1051/0004-6361/201629271

Context. Canary is the multi-object adaptive optics (MOAO) on-sky pathfinder developed in the perspective of multi-object spectrograph on extremely large telescopes (ELTs). In 2013, Canary was operated on-sky at the William Herschel telescope (WHT),... Read More about Wave-front error breakdown in laser guide star multi-object adaptive optics validated on-sky by CANARY.

Photometry and Spectrum measurements of the Laser Guide Star beam emission at Observatorio del Roque de Los Muchachos with the Gran Telescope Canarias (2017)
Presentation / Conference Contribution
Lombardi, G., Calia, B., Centrone, M., Talavera, M. R. G., Morris, T., Pfrommer, T., Basden, A., Vidal, F., Gendron, E., Rousset, G., Mayers, R., Osborn, J., Reeves, A., Talbot, R., Townson, M., Lavers, A. C., & Postigoh, A. D. U. (2017, June). Photometry and Spectrum measurements of the Laser Guide Star beam emission at Observatorio del Roque de Los Muchachos with the Gran Telescope Canarias. Presented at Adaptive Optics for Extremely Large Telescopes 5, Tenerife, Canary Islands, Spain

In the past years ESO has built together with industry a transportable Laser Guide Star Unit (WLGSU) to test the laser technology while supporting some strategic experiments for the LGS-AO technologies. Since July 2016, the WLGSU has been installed a... Read More about Photometry and Spectrum measurements of the Laser Guide Star beam emission at Observatorio del Roque de Los Muchachos with the Gran Telescope Canarias.

Preliminary on-sky results of the CANARY experiment with an ELT-elongated sodium LGS (2017)
Presentation / Conference Contribution
Bardou, L., Gendron, E., Rousset, G., Gratadour, D., Basden, A. G., Bonaccini, D., Buey, T., Centrone, M., Chemla, F., Lombardi, G., Marchetti, E., Morris, T. J., Myers, R. M., Osborn, J., Townson, M. J., Vidal, F., & Reyes Garcia-Talavera, M. (2017, June). Preliminary on-sky results of the CANARY experiment with an ELT-elongated sodium LGS. Presented at Adaptive Optics for Extremely Large Telescopes 5, Tenerife, Canary Islands, Spain

We present on-sky results of wavefront sensing on an elongated LGS. These results are derived from observations made with the multi-object AO demonstrator CANARY on the William Herschel Telescope (WHT) in La Palma. The laser guide star is produced us... Read More about Preliminary on-sky results of the CANARY experiment with an ELT-elongated sodium LGS.