Day time (extended during night because bad weather)

Flattening and mode acquisition

  • daytime for MODS. MODS have control on the status of the telescope. We took some data for test. Excess of vibrations.
  • Modal acquisition and flattening: elevation 90deg, HBS off, URTH ventlation on.

  • RUNA METTI NEL LOG l'attivita' fino alle 00:05UT

  • 20100921_151132: modes 400-641, NOTE: GOOD MASK

Flattening

  • flattening used 20100921_150544

  • power outage!
    • restart at 01:05UT

  • alignment
    • Hexpod:
x y z Rx Ry Rz
mm mm mm as as as
0.682 3.162 3.551 -584.3 106.1 0.0

  • flattening with 200 modes, intmat:20100921_152432/flat_data_201modes.sav
    • 4D interf before flattening: NA
    • data saved in 20100922_014055 ( BEST FLATTENING OF THE DAY)
    • 4D measure after flattening: 20100922_014055_after_flattening.h5
      • 39nm rms WFE (tt,f,c,astig removed), 42nm rms WFE (tt,f,c remoced)

  • slew 90-30-90deg elevation:
    • shell rest during slewing

  • alignment:
    • Hexpod:
x y z Rx Ry Rz
mm mm mm as as as
0.683 3.124 3.559 -576.9 106.5 0.0
    • 4D measure after alignment: 20100922_035245_after slwew_90-0-90.h5

  • flattening with 400 modes, intmat:20100921_152432/20100922_035605_flat_data_401modes.sav
    • 4D interf before flattening: NA
    • data saved in 20100922_035912
    • 4D measure after flattening: NA

  • slew 90-30-90deg elevation:
    • shell set during slewing

  • alignment:
    • no recorded data

  • flattening with 400 modes, intmat:20100921_152432/20100922_035605_flat_data_401modes.sav
    • 4D interf before flattening: NA
    • data saved in 20100922_042233
    • 4D measure after flattening: 20100922_042233_after_flattening.h5
      • 43nm rms WFE (tt,f,c,astig removed), 56nm rms (tt,f,c removed)

  • slew 90-30-90deg elevation:
    • shell set during slewing

  • alignment:
    • no recorded data

  • flattening with 600 modes, intmat:20100921_152432/flat_data_641modes.sav
    • 4D interf before flattening: 20100922_044246_before_flattening_600_modes.h5
    • very high order modes miscorrection
    • returned back, no saved data

  • slew 90-30-90deg elevation:
    • shell set during slewing

  • flattening with 500 modes, intmat:20100921_152432/flat_data_641modes.sav
    • 4D interf before flattening: 2010....before_flattening_500_modes.h5
    • very high order modes miscorrection
    • not returned back by mistake, no saved data
    • reflattening with adsec_calib/flat/20100922_042233/flattening_result.sav

  • 045221UT: alignement
    • Hexpod:
x y z Rx Ry Rz
mm mm mm as as as
0.655 3.145 3.574 -577.27 102.81 0.0

  • slew 90-30-90deg elevation:
    • shell set during slewing

  • 051055UT: alignement
    • Hexpod:
x y z Rx Ry Rz
mm mm mm as as as
0.657 3.139 3.574 -576.21 103.13 0.0
    • 4D measure after alignment: 20100922_051055_after_alignment.h5
-- ArmandoRiccardi - 21 Sep 2010
Topic revision: r4 - 22 Sep 2010, ArmandoRiccardi
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