SOUL Single  Conjugated  Adaptive  Optics  Upgrade  for  LBT Authors:

E. Pinna1, A. Riccardi1, P. Hinz3, L. Close3, G. Agapito1, C. Arcidiacono2,1, V. Bailey3, R. Briguglio1, G. Brusa3, L. Busoni1, L. Fini1, K. Follette3, J.C. Guerra3, J. Males3, K. Morzinski3, M. Montoya3, A. Puglisi1,F. Quiros1, E. Sani1, A. Skemer3, V. Vaitheeswaran3, M. Xompero1, S. Esposito1

1

INAF – Osservatorio Astrofisico di Arcetri INAF – Osservatorio Astronomico di Bologna 3 Steward Observatory, University of Arizona 2

Presented by: S. Esposito

SOUL Upgrade Goals Use current state of the art devices and technologies (EMCCDs) and telescope experiences to improve performance and operation robustness of the SCAOs systems of the LBT telescope.

Improve Sky coverage (x10) Improve wavelengths range (to 0.6um) Improve SRs/PSF contrast (2mag/4)

SCAO feature

Current

upgrade

Improves

subaps ron

30x30

40x40

SRs/contrast/λ

10e-/4e-

80% for rmag 60° @LBT (2781 of 105783 QSOs in the catalog)

1400 1200 1000 800 600 400 200 0 14.5

15.0

15.5

16.0 m_r (AB)

16.5

17.0

pre-upgrade: SR(K) > 25%  NGS 25%  NGS