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12-13 November 2013: cooling down, HWP Modulator installation at the pupil (120mm from the cryostat lens) | '''12-13 November 2013''': cooling down, HWP Modulator installation at the pupil (120mm from the cryostat lens) |
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14 November 2013: OTF geometries on Mars and Uranus. First light of NIKA prototype with polarisation facilities. | '''14 November 2013''': OTF geometries on Mars and Uranus. First light of NIKA prototype with polarisation facilities. |
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15 November 2013: | '''15 November 2013''': Cryostat back to 300K: 3He-4He mix recovery, heating trap. Polarisation facilities dismantling. Back to Granada. |
November 11th 2013, Alain Benoit, Martino Calvo and Andrea Catalano come to the 30m to install, cool down and testing the NIKA prototype. 12-13 November 2013: cooling down, HWP Modulator installation at the pupil (120mm from the cryostat lens) 14 November 2013: OTF geometries on Mars and Uranus. First light of NIKA prototype with polarisation facilities. 15 November 2013: Cryostat back to 300K: 3He-4He mix recovery, heating trap. Polarisation facilities dismantling. Back to Granada. Cryostat Temperature: 150mK (set by temperature control). Arrays status: 128 pixels 2mm - <1Hz/sqrtHz noise; 201 pixels 1mm about 10Hz/sqrtHz noise Modulation frequency: 8kHz 1mm, 4kHz 2mm OBSERVATIONS Log Opacity is measurd with the taumeter at 225 GHz p2cor : 0 p7cor : 0 initial Focus : -2.40 mm Scan UT Source Command Az El Pointing X, Y, Focus Tau225 Comment