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Table 4

Observing conditions including turbulence parameters and Canary H-band image SR during scripts 274, 292 and 275.

Script 274 292 275

Mode 1 SCAO SCAO SCAO
AO modes Mode 2 MOAO 4L3N MOAO 4L3N MOAO 4L3N
Mode 3 GLAO 4L3N GLAO 4L3N MOAO 3N

R calibration 21 h 23 m 01 h 37 m 21 h 23 m
Local time Script start 21 h 55 m 02 h 30 m 22 h 03 m
Script end 22 h 01 m 02 h 35 m 22 h 08 m

Asterism A47 A53 A47

Airmass range 1.086–1.079 1.035–1.038 1.076–1.069

Total 0.83 0.78 0.81
Seeing [′′] Ground 0.70 0.56 0.68
Altitude 0.35 0.46 0.36

Total 13.3 12.2 11.9
L0 [m] Ground 5.2 5.9 12.1
Altitude 19.3 17.9 11.7

Wind speed [m/s] Total 3.0 2.9 3.1

Mode 1 28.3 30.0 29.0
Image SR [%] Mode 2 21.0 16.0 18.1
Mode 3 12.9 9.2 14.6

Notes. Each parameter has been retrieved an averaged on 15 successive 15 s data sets. Wind speed retrieved from the FWHM of slopes temporal auto-correlation function.

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