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Size: 6947
Comment:
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Size: 7340
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
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[[D2DLogNika5 |Back to list of day to day logbook of observations]] |
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| Line 11: | Line 13: |
| Cryostat Temperature: 150 +/- 0.02 mK (regulated with power 50uW) | .Cryostat Temperature: 150 +/- 0.02 mK (regulated with power 50uW), looks to be a better compromise between 2mm array and 1mm array optimal temperature. .Arrays status tonight: 126 pixels 2mm - good noise; 90 pixels 1mm noise 2x optimal (limited number of pixels and excess noise due to cold amplifier saturation --> -62dBm per KID instead of -50dBm). |
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| Test the Pako sequences and data flows. 90 pixels available at 1mm 126 pixels available at 2mm |
Test the Pako sequences, data flows, and generation of IMBFITS. Start observing procedures described in [[ListOfAstroTarget2012N5]]. |
NIKA November 2012 S1
Back to list of day to day logbook of observations
2012-11-15
Nasmyth offsets : 0, 0
Set pointing : 0, 0
Set Focus : -2.40 mm
- Cryostat Temperature: 150 +/- 0.02 mK (regulated with power 50uW), looks to be a better compromise between 2mm array and 1mm array optimal temperature.
Arrays status tonight: 126 pixels 2mm - good noise; 90 pixels 1mm noise 2x optimal (limited number of pixels and excess noise due to cold amplifier saturation --> -62dBm per KID instead of -50dBm).
Test the Pako sequences, data flows, and generation of IMBFITS. Start observing procedures described in ListOfAstroTarget2012N5.
Scan |
UT |
Source |
Command |
Az |
El |
corr_Az corr_El Diam Amp A |
corr_Az corr_El Diam Amp B |
Tau |
Comment |
60 |
16h17 |
Mars |
Track |
207 |
23 |
| |-| | |
| |-| | |
0.2 |
|
61 |
16h30 |
Mars |
OTF_geomfast |
209 |
22 |
| |-| | |
| |-| | |
0.22 |
420"x 220" (step 6") in 36 subscans x 14 s = 9+3 ~= 12 min |
62 |
16h47 |
Neptune |
Track |
144 |
33 |
| |-| | |
| |-| | |
0.20 |
|
63 |
16h49 |
Neptune |
OTF_geomfast |
145 |
34 |
| |-| | |
| |-| | |
0.20 |
|
64 |
17h05 |
Neptune |
OTF_2x2 |
149 |
35 |
| |-| | |
| |-| | |
0.20 |
|
65 |
17h23 |
DIY-Tip |
DIY-Tip |
|
|
| |-| | |
| |-| | |
0.20 |
Hans test of Sky dip with tune |
66 |
17h |
DIY |
DIY |
|
|
| |-| | |
| |-| | |
0.20 |
Hans test of tune |
67 |
17h |
DIY-Tip |
DIY-Tip |
|
|
| |-| | |
| |-| | |
0.20 |
Hans test of Sky dip with tune |
68 |
17h51 |
Uranus |
Track |
120 |
35 |
| |-| | |
| |-| | |
0.10 |
|
70 |
17h58 |
Uranus |
OTF_geometry |
121 |
36 |
| |-| | |
| |-| | |
0.12 |
stopped because there were tunnings durin the scan |
71 |
18h02 |
Uranus |
OTF_geometry |
122 |
37 |
| |-| | |
| |-| | |
0.12 |
300"x 220" (step 4") in 56 subscans x 20 s = 19+3 ~= 22 min. |
72 |
18h35 |
Uranus |
OTF_geometry |
122 |
37 |
| |-| | |
| |-| | |
0.12 |
redo because telescope stuck at middle of scan 71 |
73 |
18h39 |
Uranus |
OTF_geometry |
122 |
37 |
| |-| | |
| |-| | |
0.12 |
telescope stopped again, impossible to move it, AS investigate |
74 |
19h15 |
Uranus |
OTF_geometry |
122 |
37 |
| |-| | |
| |-| | |
0.12 |
AS solved the problem |
75 |
19h25 |
Uranus |
OTF_geom_below70degEl |
145 |
49 |
| |-| | |
| |-| | |
0.12 |
try a fast geom 35"/s, 420" large Az base, 4" El step |
76 |
19h40 |
Uranus |
OTF_geom_below70degEl |
145 |
49 |
| |-| | |
| |-| | |
0.11 |
same as above |
77 |
20h |
Uranus |
Cross |
160 |
52 |
| |-| | |
| |-| | |
0.12 |
Cross scan to determine Nastmyth pointing offset |
78 |
20h30 |
Uranus |
OTF_2x2 |
169 |
53 |
| |-| | |
| |-| | |
0.12 |
small OTF to accumulate statistics while Nicolas work on the cross |
|
20h40 |
|
|
|
|
| |-| | |
| |-| | |
|
Optimize radio alignment moving M5 micrometric screws, minimize background => gain 2K |
79 |
20h56 |
Uranus |
Cross |
160 |
52 |
| |-| | |
| |-| | |
0.12 |
found -3 3 offset on scan 77, but redo with 0 0 since M5 has moved |
80 |
21h07 |
Uranus |
Cross |
160 |
52 |
| |-| | |
| |-| | |
0.12 |
with pointing offset3 3 to check Nicolas calculation |
81 |
21h11 |
Uranus |
Cross |
160 |
52 |
| |-| | |
| |-| | |
0.12 |
redo same, high sky noise on previous scan |
82 |
21h19 |
Uranus |
Cross |
160 |
52 |
| |-| | |
| |-| | |
0.12 |
do a 2nd one to check stability |
83 |
21h27 |
Uranus |
Cross |
160 |
52 |
| |-| | |
| |-| | |
0.12 |
set pointing 6 6 |
84 |
21h27 |
Uranus |
Cross |
160 |
52 |
| |-| | |
| |-| | |
0.12 |
set pointing 8.64 10.67 => pixel 453 2mm should be at center => it works |
85 |
21h37 |
Uranus |
Focus 2 |
160 |
52 |
| |-| | |
| |-| | |
0.12 |
test a focus (procedure to reduce it not ready, but needed for the test) |
86 |
21h47 |
0316+413 = 3C84 |
Track |
69 |
65 |
| |-| | |
| |-| | |
0.12 |
start accumulate stat on pointing |
87 |
21h50 |
0316+413 = 3C84 |
Cross |
69 |
65 |
| |-| | |
| |-| | |
0.12 |
remark: focus not reduced but had 17" FWHM on 2mm crosses => should be correct for 1st iteration on pointing |
88 |
21h53 |
0528+134 |
Track |
38 |
116 |
| |-| | |
| |-| | |
0.1 |
|
89 |
21h56 |
0528+134 |
Cross |
38 |
116 |
| |-| | |
| |-| | |
0.1 |
|
90 |
21h58 |
0528+134 |
Cross |
38 |
116 |
| |-| | |
| |-| | |
0.1 |
redo: source too weak on 1st cross profile |
91 |
22h00 |
0235+164 |
Track |
65 |
140 |
| |-| | |
| |-| | |
0.1 |
|
92 |
22h03 |
0235+164 |
Cross |
65 |
140 |
| |-| | |
| |-| | |
0.1 |
|
93 |
22h05 |
2251+158 = 3C454.3 |
Track |
250 |
48 |
| |-| | |
| |-| | |
0.07 |
|
94 |
22h14 |
2251+158 = 3C454.3 |
Cross |
250 |
48 |
| |-| | |
| |-| | |
0.07 |
acquisition crashed |
95 |
22h17 |
2251+158 = 3C454.3 |
Cross |
250 |
48 |
| |-| | |
| |-| | |
0.07 |
redo |
96 |
22h20 |
Uranus |
Track |
215 |
48 |
| |-| | |
| |-| | |
0.07 |
Goal: redo an OTF geometry since we moved M5 |
97 |
22h23 |
Uranus |
Cross |
215 |
48 |
| |-| | |
| |-| | |
0.07 |
take the occasion to use as pointing |
98 |
22h26 |
Uranus |
Focus |
215 |
48 |
| |-| | |
| |-| | |
0.07 |
take the occasion to have a 2nd focus scan for Nicolas |
99 |
22h28 |
Uranus |
OTF_geom_below70degEl |
215 |
48 |
| |-| | |
| |-| | |
0.07 |
geometry |
100 |
22h44 |
Uranus |
OTF_geom_below70degEl |
222 |
45 |
| |-| | |
| |-| | |
0.07 |
geometry |