NIKA October 10th, 2014 / S4
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2014-10-09
Opacity is measured with the new taumeter at 225 GHz
Nasmyth offsets : 21.2, 36.75
Set pointing : 0, 0
Set Focus : -1.8 mm
- Quick description of the session: measure polarization of quasars at various elevations and planets to test our system and calibrate
Polarizer on, HWP on but not turning at session start
Data Repository: Raw_X35
Acquisition = 59,605 Hz
Observing account: t21
Values in brackets [] are not updated.
Scan |
UT |
Source |
Command |
Az |
El |
Pointing X, Y, Focus |
Tau225 |
Comment |
110-111 |
18h14 |
2200+410 (BLLac) |
Track off -200 -200 |
67 |
58 |
0,0,-1.8 |
0.7 |
Tuning |
112 |
18h18 |
2200+410 (BLLac) |
@cross |
67 |
58 |
0,0,-1.8 |
0.7 |
|
113 |
18h18 |
2200+410 (BLLac) |
@cross |
67 |
58 |
0,0,-1.8 |
0.7 |
|
114 |
18h |
2200+410 (BLLac) |
@cross or track ? |
67 |
58 |
0,0,-1.8 |
0.7 |
|
115 |
18h |
2200+410 (BLLac) |
track |
67 |
58 |
0,0,-1.8 |
0.7 |
|
116 |
18h28 |
2200+410 (BLLac) |
track |
67 |
58 |
0,0,-1.8 |
0.7 |
|
117 |
18h30 |
2200+410 (BLLac) |
@cross |
67 |
58 |
0,0,-1.8 |
0.7 |
Holes in the data |
118 |
18h34 |
2200+410 (BLLac) |
@cross |
67 |
61 |
0,0,-1.8 |
0.7 |
try to center on ref detector using updated pipeline |
119 |
18h37 |
2200+410 (BLLac) |
@cross |
67 |
61 |
0,0,-1.8 |
0.7 |
offset 42 31 /sys nasmyth |
120 |
18h40 |
2200+410 (BLLac) |
@cross |
67 |
61 |
0,0,-1.8 |
0.7 |
offset 21 5.8 /sys nasmyth |
121 |
18h42 |
2200+410 (BLLac) |
@cross |
67 |
61 |
0,0,-1.8 |
0.7 |
offset 0 5.8 /sys nasmyth |
122 |
18h46 |
2200+410 (BLLac) |
@cross |
67 |
61 |
0,0,-1.8 |
0.8 |
offset -19 5.8 /sys nasmyth - holes in the data |
123 |
18h48 |
2200+410 (BLLac) |
@cross |
67 |
61 |
0,0,-1.8 |
0.8 |
offset -19 5.8 /sys nasmyth - holes in the data |
124 |
18h50 |
2200+410 (BLLac) |
@cross |
67 |
61 |
0,0,-1.8 |
0.8 |
offset -19 5.8 /sys nasmyth OK well centered |
125 |
18h52 |
2200+410 (BLLac) |
@cross |
67 |
61 |
0,0,-1.8 |
0.8 |
set pointing -41.2 5.0 |
126 |
18h54 |
2200+410 (BLLac) |
@cross |
67 |
61 |
0,0,-1.8 |
0.8 |
set pointing 0 0 - holes in the data |
127 |
18h56 |
2200+410 (BLLac) |
@cross |
67 |
65 |
0,0,-1.8 |
0.8 |
set pointing 0 0 (in Alain data only 1 hole at 18h42m49s) |
128 |
18h58 |
2200+410 (BLLac) |
@cross |
67 |
65 |
0,0,-1.8 |
0.8 |
set pointing 41.2 0 |
129 |
19h00 |
2200+410 (BLLac) |
@cross |
67 |
65 |
0,0,-1.8 |
0.8 |
set pointing -41.2 0 |
130 |
19h10 |
2200+410 (BLLac) |
@cross |
67 |
65 |
0,0,-1.8 |
0.8 |
set pointing 0 0 source on ref det but offset w.r.t az-el offset 0 0 |
131 |
19h13 |
2200+410 (BLLac) |
@focusp |
67 |
65 |
0,0,-1.8 |
0.8 |
|
132 |
19h16 |
DIY-Tip |
@skydip_up |
67 |
45 |
0,0,-1.8 |
0.8 |
|
133 |
19h29 |
2200+410 (BLLac) |
track |
67 |
65 |
0,0,-1.8 |
0.7 |
|
134 |
19h30 |
2200+410 (BLLac) |
@focusp |
67 |
65 |
0,0,-1.8 |
0.7 |
- holes in data (MJD antenna) |
135 |
19h30 |
2200+410 (BLLac) |
@focusp |
67 |
65 |
0,0,-1.8 |
0.7 |
(pipeline say set focus -2.78) |
136 |
19h30 |
2200+410 (BLLac) |
@focusp |
67 |
65 |
0,0,-1.8 |
0.7 |
set focus -2.78 (pipeline say set focus -2.0) |
137-139 |
19h44 |
2200+410 (BLLac) |
@otf3x3 |
63 |
74 |
0,0,-1.8 |
0.7 |
HWP rotating: 2.48Hz 6pts independants - LOOK AT DATA ON X9 |
140-141 |
19h55 |
2200+410 (BLLac) |
@otf3x3 |
61 |
76 |
0,0,-1.8 |
0.7 |
cancelled at scan 142 : max azimuth reached |
143 |
20h09 |
2200+410 (BLLac) |
track |
416 |
79 |
0,0,-1.8 |
0.7 |
set topology high and track source while looking for imbfits. |
144-146 |
20h20 |
2200+410 (BLLac) |
@otf3x3 |
410 |
80 |
0,0,-1.8 |
0.7 |
HWP not rotating to check data |
147 |
20h33 |
2200+410 (BLLac) |
@otf3x3 |
400 |
82 |
0,0,-1.8 |
0.7 |
HWP rotating 6pts independants. only one coverage because reaching elevation limit |
148 |
20h39 |
NGC7538 |
track |
381 |
61 |
0,0,-1.8 |
0.6 |
HWP rotating 6pts independants. |
149-151 |
20h41 |
NGC7538 |
@otf5x5 |
382 |
61 |
0,0,-1.8 |
0.6 |
HWP rotating 6pts independants. HWP stopped during scan 151: ignore and use only 149 |
152 |
21h01 |
NGC7538 |
@otf5x5 |
377 |
63 |
0,0,-1.8 |
0.6 |
HWP rotating 8pts independants. HWP stopped : cancelled |
153-155 |
21h08 |
NGC7538 |
@otf3x3 |
375 |
63 |
0,0,-1.8 |
0.6 |
HWP rotating 8pts independants. |
156 |
21h20 |
3C84 |
track |
419 |
34 |
0,0,-1.8 |
0.6 |
go to 3C84 for a cross |
157 |
21h22 |
3C84 |
@cross |
419 |
34 |
0,0,-1.8 |
0.6 |
|
158 |
21h23 |
3C84 |
@otf3x3 |
420 |
34 |
0,0,-1.8 |
0.6 |
HWP rotating 8pts independants. cancelled because motor speed too high |
159 |
21h27 |
3C84 |
track |
420 |
34 |
0,0,-1.8 |
0.6 |
HWP rotating 8pts independants. see if motor currents come back |
160 |
21h28 |
3C84 |
track |
420 |
34 |
0,0,-1.8 |
0.6 |
HWP rotating 8pts independants. motor speed : cancelled. change source to avoid wind direction |
161 |
21h32 |
NGC7538 |
track |
370 |
64 |
0,0,-1.8 |
0.6 |
HWP rotating 8pts independants. Holes in data really annoying, they are due to missing antenna MJD data lacking: Antenna not recorded anymore except on MAC10 |
162 |
21h32 |
NGC7538 |
@otf3x3 |
375 |
63 |
0,0,-1.8 |
0.6 |
cancelled: andrea was creating a file |
163-165 |
21h33 |
NGC7538 |
@otf3x3 |
369 |
64 |
0,0,-1.8 |
0.5 |
HWP rotating 8pts independants. |
166-168 |
21h44 |
NGC7538 |
@otf3x3 |
366 |
65 |
0,0,-1.8 |
0.5 |
HWP rotating 8pts independants. |
169 |
21h54 |
2200+410 (BLLac) |
track |
299 |
77 |
0,0,-1.8 |
0.5 |
go on BLLac to do pointing focus |
170 |
21h57 |
2200+410 (BLLac) |
cross |
299 |
77 |
0,0,-1.8 |
0.5 |
|
171 |
21h59 |
2200+410 (BLLac) |
focus |
299 |
77 |
0,0,-1.8 |
0.5 |
set focus -2.4 |
172 |
22h08 |
2200+410 (BLLac) |
otfgeom_20 |
296 |
75 |
0,0,-1.8 |
0.5 |
|