NIKA October 15th, 2015 / S7 [[D2DLogNika2Run1 |Back to list of day to day logbook of observations]] == 2015-10-15 == ---- ==== 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 || 14h33 || 3C279 || Track point || 234 || 29 || -3.6,-10.8,0.4 || 0.1 || || || 221 || 14h36 || 3C279 || Pointcross || 234 || 29 || -3.6,-10.8,0.4 || 0.1 || Checking pointing. || || 222 || 14h39 || 3C279 || Pointcross || 234 || 29 || -14.2,-10.2,0.4 || 0.1 || Source too faint at 1mm, not worht the effort. Proceeding to test PAKO routines. || || 223 || 14h43 || 3C279 || focusliss || 235 || 28 || -14.2,-10.2,0.4 || 0.1 || Axis=Z. Clouds situation worsens. || || 224 || 14h49 || 3C279 || focusliss || 236 || 27 || -14.2,-10.2,0.4 || 0.1 || Axis=Y. Reseting taumeter. || || 225 || 14h57 || 3C279 || focusliss || 238 || 26 || -14.2,-10.2,0.4 || 0.1 || Axis=X. Taumeter still down. || || 226 || 15h15 || 3C279 || skydip || 240 || n.a || -14.2,-10.2,0.4 || || tau meter down. clouds. Seems that the skydip script needs still to be edited with current elevation || || 227 || 15h20 || 3C279 || track || 243 || 22 || -14.2,-10.2,0.4 || 0.15 || tau meter back up. || || 228 || 15h20 || 3C279 || pointcross || 243 || 22 || -14.2,-10.2,0.4 || 0.15 || decent 2mm fit -11.2, -10.5|| || 229 || 15h25 || 3C279 || otfgeom || 244 || 20 || -11.2, -10.5, 0.4 || 0.2 || very poor FHWM (21 and 25") || || 230 || 15h49 || 3C279 || focustrack || 248 || 16 || -11.2, -10.5, 0.4 || 0.2 || acquisition lost in the middle. source too low to start again || || 231 || 15h51 || saturn || track || 199 || 31 || -11.2, -10.5, 0.4 || 0.2 || moving to saturn || || 232 || 15h55 || saturn || pointcross || 199 || 31 || -11.2, -10.5, 0.4 || 0.2 || failed to fit. moving to IRAS16293 to point || || 233 || 16h00 || IRAS16293 || track || 192 || 27 || -11.2, -10.5, 0.4 || 0.2 || || || 234 || 16h00 || IRAS16293 || pointcross || 192 || 27 || -11.2, -10.5, 0.4 || 0.2 || set pointing -18.8 -15.6 || || 235-239 || 16h06 || IRAS16293 || focuslissold || 193 || 27 || -18.8, -15.6, 0.4 || 0.2 || FWHM large (> 20") but source extended (10") so we believe the current focus is correct|| || 240 || 16h10 || saturn || track || 207 || 29 ||-18.8, -15.6, 0.4 || 0.2 || clouds again || || 241-243 || 16h12 || saturn || beammap || 207 || 28 ||-18.8, -15.6, 0.4 || 0.2 || || || 244 || 17h20 || || skydip || 218 || n/a ||-18.8, -15.6, 0.4 || 0.2 || || || 245 || 17h28 || G34.3 || track || 178 || 54 ||-18.8, -15.6, 0.4 || 0.2 || || || 246 || 17h31 || G34.3 || pointcross || 178 || 54 ||-18.8, -15.6, 0.4 || 0.2 || source profile shows structure at 2mm in azimuth. not good || || 247 || 17h28 || NGC7027 || track || 67 || 65 ||-18.8, -15.6, 0.4 || 0.2 || || || 248 || 17h31 || NGC7027 || pointcross || 67 || 66 ||-18.8, -15.6, 0.4 || 0.2 || Not super bright but OK || || 249-253 || 17h40 || NGC7027 || focuslissold || 67 || 66 || -12.9, 6.9, 0.4 || 0.2 || scans 252 and 253 were merged in a single file ??? || || 254 || 18h06 || NGC7027 || track || 66 || 71 ||-12.9, 6.0, 0.4 || 0.2 || || || 255-259 || 18h10 || NGC7027 || focuslissold || 66 || 71 ||-12.9, 6.0, 0.4 || 0.2 || nk_focusliss_old fails || || 260-264 || 18h18 || NGC7027 || focuslissold || 66 || 71 ||-12.9, 6.0, 0.4 || 0.2 || scans 261 and 262 merged in file 261. Che palle ! || || 265 || 18h33 || NGC7027 || manual lissajous || 63 || 75 || -12.9, 6.0, -0.1 || 0.2 || || || 266 || 18h33 || NGC7027 || manual lissajous || 63 || 75 || -12.9, 6.0, -0.8 || 0.2 || || || 267 || 18h40 || 2251+158 || track || 67 || 65 ||-12.9, 6.0, -0.8 || 0.2 || aka 4C454 || || 268 || 18h42 || 2251+158 || pointcross || 67 || 66 || -12.9, 6.0, -0.8 || 0.2 || OK appear clearly in both bands || || 269-273 || 18h45 || 2251+158 || focuslissold || 66 || 71 || -12.9, 6.0, -0.8 || 0.2 || ||