NIKA October 14th, 2015 / S1
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2015-10-14
Following not updated
.Cryostat Temperature: 170mK cooling down slowly Arrays status tonight: full 2mm array - 1-3 Hz noise; 2 feed lines on 1mm array 3-5Hz noise Modulation frequency: 10kHz 1mm, 5kHz 2mm For this session Array 3 is not connected. Opacity is measured with the new taumeter at 225 GHz Nasmyth offsets : 0, 0 Set Focus : we start at 0.0 mm Quick description of the session: beam map.
Data Repository: /home/nika2/NIKA/Data/run13_X/scan24_X
Scan |
UT |
Source |
Command |
Az |
El |
Pointing X, Y, Focus |
Tau225 |
Comment |
118 |
07h14 |
Mars |
Track point |
123 |
47 |
0,0,0. |
0.25 |
Pointing towards Mars. We are using the geometry reduced from yesterday's observation (s20151014s116/17/18) |
119 |
07h20 |
Mars |
Pointcross |
123 |
47 |
0,0,0. |
0.25 |
Scan not so good. The reference pixel is not centered. |
120 |
07h23 |
Mars |
Pointcross |
125 |
48 |
0,0,0. |
0.21 |
Ref pix 2022 (1mm) and 830 (2mm) not centered. |
121 |
07h34 |
Mars |
Track point |
125 |
48 |
0,0,0. |
0.21 |
Restarting PAKO with @ini. Source Mars. Track. |
122 |
07h36 |
Mars |
Pointcross |
128 |
50 |
0,0,0. |
0.26 |
Pointing problem. Scan pattern seems choppy. Reference pixels not centered. SL checking IMB fits file, nothing particular found. |
123 |
07h44 |
Mars |
Pointcross |
131 |
51 |
0,0,0. |
0.14 |
Pointing looks better. Martino restarted antenna and elvin in the NIKA control software. |
124 |
07h48 |
Mars |
Pointcross |
131 |
51 |
-16.6,3.4,0. |
0.14 |
Pointing looks better. Wind. |
125 |
07h52 |
Mars |
focuslissold |
134 |
52 |
-16.6,3.4,0. |
0.14 |
CANCELLED: FOC=0.01 resulted in FOC=9.99 |
126-130 |
07h53 |
Mars |
focuslissold |
134 |
52 |
-16.6,3.4,0. |
0.17 |
1mm focus looks good. Try improving 2mm. |
131 |
08h01 |
Mars |
Pointcross |
137 |
54 |
-16.6,3.4,-0.3 |
0.12 |
|
132 |
08h07 |
Mars |
Pointcross |
134 |
52 |
-10.,1.6.4,-0.3 |
0.11 |
SL: could scan maps be presented in log scale? |
133 |
08h10 |
Mars |
Focustrack |
140 |
54 |
-9.3,3.5,-0.3 |
0.11 |
Axis=Z |
134-138 |
08h14 |
Mars |
focuslissold |
141 |
55 |
-9.3,3.5,-0.3 |
0.04 |
|
139 |
08h25 |
Mars |
Beammap (1/3) |
146 |
56 |
-9.3,3.5,-0.3 |
0.13 |
|
140 |
08h40 |
Mars |
Beammap (2/3) |
153 |
58 |
-9.3,3.5,-0.3 |
0.1 |
|
141 |
08h57 |
Mars |
Beammap (3/3) |
160 |
59 |
-9.3,3.5,-0.3 |
0.23 |
|
142 |
09h14 |
Mars |
Pointcross |
167 |
60 |
-9.3,3.5,-0.3 |
0.18 |
|
143 |
09h16 |
Mars |
Focustrack |
169 |
60 |
-9.0,5.6,-0.3 |
0.1 |
Axis=Z |
144-148 |
09h20 |
Mars |
focuslissold |
171 |
60 |
-9.0,5.6,-0.3 |
0.2 |
(FWHM 1mm) SET FOCUS -0.1 |
149-153 |
09h27 |
Mars |
focuslissold |
177 |
60 |
-9.0,5.6,-0.1 |
0.1 |
Output: (FWHM 1mm) SET FOCUS 0.02. No change implemented. |
154 |
09h44 |
Mars |
Beammap (1/3) |
184 |
60 |
-9.3,3.5,-0.1 |
0.18 |
Beam map (3 scans) |
155 |
10h01 |
Mars |
Beammap (2/3) |
191 |
60 |
-9.3,3.5,-0.1 |
0.17 |
|
156 |
10h17 |
Mars |
Beammap (3/3) |
199 |
59 |
-9.3,3.5,-0.1 |
0.16 |
|
157 |
10h32 |
Mars |
Pointcross |
206 |
58 |
-9.3,3.5,-0.1 |
0.16 |
|
158 |
10h33 |
Mars |
Ponticross |
207 |
58 |
-10.9,4.7,-0.1 |
0.09 |
|
159 |
10h39 |
Mars |
Focustrack |
209 |
57 |
-8.4,2.5,-0.1 |
0.09 |
Axis=Z. Trying various focus methods in the following scans (track, lissajous, cross) |
160 |
10h43 |
Mars |
Pointcross |
210 |
57 |
-8.4,2.5,-0.1 |
0.2 |
|
161 |
10h44 |
Mars |
Focustrack |
211 |
57 |
-8.4,2.5,-0.1 |
0.2 |
Next: trying focusliss to confirm the focus values |
162-166 |
10h48 |
Mars |
focuslissold |
213 |
56 |
-8.4,2.5,-0.1 |
0.19 |
(FWHM 1mm) SET FOCUS 0.035 |
167 |
10h55 |
Mars |
Pointcross |
215 |
56 |
-8.4,2.5,-0.1 |
0.19 |
Trying various values of the focus in the following scans |
168 |
10h58 |
Mars |
Pointcross |
217 |
55 |
-8.4,2.5,0.06 |
0.19 |
|
169 |
11h01 |
Mars |
Pointcross |
218 |
55 |
-8.4,2.5,0.04 |
0.25 |
SET FOCUS 0.035 results in 0.04 |
170 |
11h02 |
Mars |
Pointcross |
218 |
55 |
-8.4,2.5,-0.2 |
0.25 |
|
171 |
11h04 |
Mars |
Pointcross |
218 |
55 |
-8.4,2.5,-0.1 |
0.19 |
|
172 |
11h06 |
Mars |
Pointcross |
220 |
54 |
-8.4,2.5,0.0 |
0.19 |
|
173 |
11h07 |
Mars |
Pointcross |
220 |
54 |
-8.4,2.5,0.1 |
0.19 |
|
174 |
11h09 |
Mars |
Pointcross |
221 |
54 |
-8.4,2.5,0.2 |
0.23 |
Good agreement between values found with focustrack and multiple pointcross (0.06); foccuslissold (0.035) |
175 |
11h13 |
Mars |
Pointcross |
221 |
54 |
-8.4,2.5,0.06 |
0.23 |
Focus X dir = -0.2 / Focus Y dir = 0.0 (previous beam showed asymmetric secondary lobe: indication of a coma => from SL simu, XY focus is not optimal) |
176 |
11h15 |
Mars |
Pointcross |
221 |
54 |
-8.4,2.5,0.06 |
0.15 |
Focus X dir = -0.1 / Focus Y dir = 0.0 |
177 |
11h17 |
Mars |
Pointcross |
224 |
53 |
-8.4,2.5,0.06 |
0.15 |
Focus X dir = 0.0 / Focus Y dir = 0.0 |
178 |
11h19 |
Mars |
Pointcross |
224 |
52 |
-8.4,2.5,0.06 |
0.06 |
Focus X dir = 0.1 / Focus Y dir = 0.0 |
179 |
11h20 |
Mars |
Pointcross |
225 |
52 |
-8.4,2.5,0.06 |
0.06 |
Focus X dir = 0.2 / Focus Y dir = 0.0 |
180 |
11h22 |
Mars |
Pointcross |
225 |
52 |
-8.4,2.5,0.06 |
0.1 |
Focus X dir = 0.0 / Focus Y dir = -0.2 |
181 |
11h24 |
Mars |
Pointcross |
226 |
52 |
-8.4,2.5,0.06 |
0.1 |
Focus X dir = 0.0 / Focus Y dir = -0.1 |
182 |
11h25 |
Mars |
Pointcross |
226 |
51 |
-8.4,2.5,0.06 |
0.1 |
Focus X dir = 0.0 / Focus Y dir = 0.0 |
183 |
11h27 |
Mars |
Pointcross |
227 |
51 |
-8.4,2.5,0.06 |
0.1 |
Focus X dir = 0.0 / Focus Y dir = 0.1 |
184 |
11h28 |
Mars |
Pointcross |
227 |
51 |
-8.4,2.5,0.06 |
0.1 |
Focus X dir = 0.0 / Focus Y dir = 0.2 Oops: miscommunication between us, the steps should have been 1mm not 0.1mm! Will start over after lunch |
185 |
11h38 |
Mars |
Beammap (1/3) |
227 |
51 |
-8.4,2.5,0.06 |
0.1 |
Beam map (3 scans) |
186 |
11h54 |
Mars |
Beammap (2/3) |
237 |
46 |
-8.4,2.5,0.06 |
0.1 |
|
187 |
12h08 |
Mars |
Beammap (3/3) |
239 |
44 |
-8.4,2.5,0.06 |
0.1 |
|
188 |
12h24 |
Mars |
Pointcross |
243 |
41 |
-8.4,2.5,0.06 |
0.1 |
Focus X dir = -2.0 / Focus Y dir = 0.0 |
189 |
12h26 |
Mars |
Pointcross |
243 |
41 |
-8.4,2.5,0.06 |
0.1 |
Focus X dir = 0.0 / Focus Y dir = 0.0 (Checking pointing) |
190 |
12h29 |
Mars |
Pointcross |
244 |
41 |
-9.9,-7.5,0.06 |
0.1 |
Focus X dir = 0.0 / Focus Y dir = 0.0 (Checking pointing) |
191 |
12h32 |
Mars |
Pointcross |
243 |
41 |
-6.2,-7.4,0.06 |
0.1 |
Focus X dir = -2.0 / Focus Y dir = 0.0 |
192 |
12h34 |
Mars |
Pointcross |
245 |
40 |
-6.2,-7.4,0.06 |
0.1 |
Focus X dir = -1.0 / Focus Y dir = 0.0 |
193 |
12h35 |
Mars |
Pointcross |
245 |
40 |
-6.2,-7.4,0.06 |
0.1 |
Focus X dir = 0.0 / Focus Y dir = 0.0 |
194 |
12h37 |
Mars |
Pointcross |
245 |
39 |
-6.2,-7.4,0.06 |
0.1 |
Focus X dir = 1.0 / Focus Y dir = 0.0 |
195 |
12h39 |
Mars |
Pointcross |
246 |
39 |
-6.2,-7.4,0.06 |
0.1 |
Focus X dir = 2.0 / Focus Y dir = 0.0 |
196 |
12h40 |
Mars |
Pointcross |
246 |
39 |
-6.2,-7.4,0.06 |
0.1 |
Focus X dir = 0.0 / Focus Y dir = -2.0 |
197 |
12h41 |
Mars |
Pointcross |
246 |
38 |
-6.2,-7.4,0.06 |
0.1 |
Focus X dir = 0.0 / Focus Y dir = -1.0 |
198 |
12h43 |
Mars |
Pointcross |
247 |
38 |
-6.2,-7.4,0.06 |
0.1 |
Focus X dir = 0.0 / Focus Y dir = 0.0 |
199 |
12h45 |
Mars |
Pointcross |
247 |
38 |
-6.2,-7.4,0.06 |
0.1 |
Focus X dir = 0.0 / Focus Y dir = 1.0 |
200 |
12h47 |
Mars |
Pointcross |
247 |
38 |
-6.2,-7.4,0.06 |
0.1 |
Focus X dir = 0.0 / Focus Y dir = 2.0. Scan incomplete. Lost connection to NIKA2 machine. |
201 |
13h08 |
Mars |
Pointcross |
252 |
33 |
-6.2,-7.4,0.06 |
0.1 |
Test scan after getting NIKA2 back on line. |
202 |
13h11 |
Mars |
Pointcross |
252 |
33 |
-6.2,-7.4,0.06 |
0.1 |
Focus X dir = 0.0 / Focus Y dir = 2.0. Redoing scan 200. |
203 |
13h14 |
Mars |
Pointcross |
253 |
33 |
-6.2,-7.4,0.06 |
0.1 |
Focus X dir = 0.0 / Focus Y dir = -1.0. Repeating scan with the best focus parameters. |
204 |
13h17 |
Mars |
Pointcross |
254 |
32 |
-6.2,-7.4,0.06 |
0.1 |
Focus X dir = 0.0 / Focus Y dir = 1.0. This one gives best elipticity. Now we adjust the pointing to optimize around this position. |
205 |
13h22 |
Mars |
Pointcross |
254 |
31 |
-10.9,-6.7,0.06 |
0.1 |
Focus X dir = 0.0 / Focus Y dir = 1.0. Best focus parameters estimated by NP's routine (ellipticity). |
206 |
13h23 |
Mars |
Pointcross |
254 |
31 |
-10.9,-6.7,0.06 |
0.1 |
Focus X dir = 0.0 / Focus Y dir = 1.0. Repeating last scan, result seemed suboptimal. |
207 |
13h26 |
Mars |
Pointcross |
255 |
30 |
-10.9,-6.7,0.06 |
0.1 |
Focus X dir = -1.2 / Focus Y dir = 0.0. Checking pointing for testing best focus parameters estimated by SL (shape of secondary lobe on beam profile). |
208 |
13h30 |
Mars |
Pointcross |
256 |
29 |
-14.3,-14.0,0.06 |
0.1 |
Focus X dir = -1.2 / Focus Y dir = 0.0. Checking pointing for testing best focus parameters estimated by SL. |
209 |
13h33 |
Mars |
Pointcross |
256 |
29 |
-3.6,-10.8,0.06 |
0.1 |
Focus X dir = -1.2 / Focus Y dir = 0.0. Testing best focus parameters estimated by SL. |
210 |
13h37 |
Mars |
Pointcross |
257 |
28 |
-3.6,-10.8,0.06 |
0.1 |
Focus X dir = 0.71 / Focus Y dir = 0.71. |
211 |
13h39 |
Mars |
Pointcross |
257 |
28 |
-3.6,-10.8,0.06 |
0.1 |
Focus X dir = -0.71 / Focus Y dir = 0.71. Clouds are approaching, taumeter stopped. |
212 |
13h41 |
Mars |
Pointcross |
257 |
27 |
-3.6,-10.8,0.06 |
0.1 |
Focus X dir = -0.71 / Focus Y dir = -0.71. More clouds, beams are getting larger. |
213 |
13h43 |
Mars |
Pointcross |
258 |
27 |
-3.6,-10.8,0.06 |
0.1 |
Focus X dir = 0.71 / Focus Y dir = -0.71. |
214 |
13h46 |
Mars |
Focustrack |
258 |
26 |
-3.6,-10.8,0.06 |
0.1 |
Axis=X. Focus X dir = 0.0 / Focus Y dir = 0.0. Small clouds crossing the line of sight. |
215 |
13h49 |
Mars |
Focustrack |
259 |
26 |
-3.6,-10.8,0.06 |
0.1 |
Axis=Y. Focus X dir = 0.0 / Focus Y dir = 0.0. Small clouds crossing the line of sight. |
216 |
13h54 |
Mars |
Pointcross |
260 |
25 |
-3.6,-10.8,0.06 |
0.1 |
Focus X dir = 0.2 / Focus Y dir = 0.25. Best focus parameters estimated by NP's routine. |
217 |
13h57 |
Mars |
Focustrack |
260 |
24 |
-3.6,-10.8,0.06 |
0.1 |
Axis=Z. Focus X dir = 0.2 / Focus Y dir = 0.25. |
218 |
14h01 |
Mars |
Focustrack |
261 |
23 |
-3.6,-10.8,0.06 |
0.1 |
Axis=Z. Focus X dir = 0.2 / Focus Y dir = 0.25. Retrying this set of parameters. The clouds are making this test hard. |
219 |
14h06 |
Mars |
Focustrack |
262 |
22 |
-3.6,-10.8,0.4 |
0.1 |
Axis=Z. Focus X dir = 0.2 / Focus Y dir = 0.25. Retrying around Focus Z=0.4. Mars is setting, looking for another point source. The degradation of the beam due to the sky conditions makes it hard to conclude on the optimal focus parameters. |
220 |
14h |
Mars |
Focustrack |
262 |
22 |
-3.6,-10.8,0.4 |
0.1 |
|