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Size: 941
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Size: 2515
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
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| .Cryostat Temperature: 216mK (naturally set by settings of 3He circulation [no heater] trying to mitigate oscillation due to leak). .Arrays status tonight: pixels 2mm - xxx noise; XX pixels 1mm xxx noise (to be determined) Modulation frequency: 8kHz 1mm, 4kHz 2mm |
[[NikaRun7|Back to the NIKA run 7]] November 11th 2013, Alain Benoit, Martino Calvo and Andrea Catalano come to the 30m to install, cool down and testing the NIKA prototype. |
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| Opacity is measurd with the new taumeter at 225 GHz | |
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| Nasmyth offsets : 0, 0 | |
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| Set pointing : 0, 0 | '''12-13 November 2013''': cooling down, HWP Modulator installation at the pupil (120mm from the entrance lens of the cryostat) |
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| Set Focus : -2.40 mm | '''14 November 2013''': OTF geometries on Mars and Uranus. Check of the focal plane geometry. First light of NIKA prototype with polarisation facilities. |
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| .Quick description of the session: Test the Pako sequences and data flows. | '''15 November 2013''': Cryostat back to 300K: 3He-4He mix recovery, heating trap. Polarisation facilities dismantling. Back to Granada. == STATUS == '''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 |
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| || 140 || ~ 16h || Mars || Track || || || || || closed window, test data tranfert || || 141 || 16h05 || Mars || Cross ||277.687 || 26.626 || 0.0 0.0 -2.4 || 0.862 || opened window, test arrays frequencies || |
|| 15 || 04h39 || Mars || Track || || || 0 , 0 , -2.4 || 0.15 || || || 16 || 04h45 || Mars || OTF_Geometry || || || 0 , 0 , -2.4 || 0.15 || First map for choosing the reference pixels || || 17-21 ||04h58-05h04 || Mars || Focus_Liss || || || 0, 0, -2.4 || 0.15 || || || 22 || 05h05 || Mars || Focus || || || 0, 0, -2.4 || 0.15 || || || 23 || 05h47 || Mars || OTF_Geometry || || || 0, 0, -2.4 || 0.15 || Tuning working during the map || || 211-218 || 21h34-21h57 || Uranus || Track 300 300 || || || 0, 0, -2.4 || 0.00001 || || || 220-224 || 22h01-22h08 || Uranus || Focus_Liss || || || 0, 0, -2.4 || 0.00001 || optimal focus probably over the range || || 225 || 22h10 || Uranus || Cross || || || 0, 0, -2.4 || 0.00001 || || || 226-230 || 22h12-22h18 || Uranus || Focus_Liss || || || 0, 0, -1 || 0.00001 || set pointing Az=-12.8 El=3.8 set focus = -1.5 || == FIRST RESULTS == |
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 entrance lens of the cryostat)
14 November 2013: OTF geometries on Mars and Uranus. Check of the focal plane geometry. 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.
STATUS
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 |
15 |
04h39 |
Mars |
Track |
|
|
0 , 0 , -2.4 |
0.15 |
|
16 |
04h45 |
Mars |
OTF_Geometry |
|
|
0 , 0 , -2.4 |
0.15 |
First map for choosing the reference pixels |
17-21 |
04h58-05h04 |
Mars |
Focus_Liss |
|
|
0, 0, -2.4 |
0.15 |
|
22 |
05h05 |
Mars |
Focus |
|
|
0, 0, -2.4 |
0.15 |
|
23 |
05h47 |
Mars |
OTF_Geometry |
|
|
0, 0, -2.4 |
0.15 |
Tuning working during the map |
211-218 |
21h34-21h57 |
Uranus |
Track 300 300 |
|
|
0, 0, -2.4 |
0.00001 |
|
220-224 |
22h01-22h08 |
Uranus |
Focus_Liss |
|
|
0, 0, -2.4 |
0.00001 |
optimal focus probably over the range |
225 |
22h10 |
Uranus |
Cross |
|
|
0, 0, -2.4 |
0.00001 |
|
226-230 |
22h12-22h18 |
Uranus |
Focus_Liss |
|
|
0, 0, -1 |
0.00001 |
set pointing Az=-12.8 El=3.8 set focus = -1.5 |