Describe NK2015_Oct23 here. NIKA October 23, 2015 / S8 [[D2DLogNika2Run1 |Back to list of day to day logbook of observations]] == 2015-10-23 == ---- ==== Following not updated ==== TAPAS is working properly ---- Data Repository: /home/nika2/NIKA/Data/run13_X/scan24_X Goal of the session: * OTF geometry and beam map on Uranus: DONE * check pointing on faint sources (pako pointing f and pointing l): Done pointing l, rta can't reduce pointing f * Secondary calibrators and QSO with various spectral slopes according to iram monitoring: started * Mars again ||'''Scan'''||'''UT'''||'''Source'''||'''Command''' ||'''Az'''||'''El'''||'''Pointing X, Y, Focus'''||'''Tau225'''|| '''Comment''' || || 12 || || Uranus || track || || || 0 0 0 || 0.39 || We are not as good as Martino. took us 25 minutes to get the resonances... || || 13 || 01h37 || Uranus || skydip_DIY || || || 0 0 0 || || resonances well peaked after the skydip. auto_nika_rta tries to reduce skydip and fails. || || 14 || 01h40 || Uranus || track || 236 || 44 || 0 0 0 || || || || 15 || 01h40 || Uranus || nkpoint b || 236 || 44 || 0 0 0 || 0.46 || good fit. set pointing 0.3 0.8. FWHM = 14"@1mm, 19"@2mm || || 16 || 01h42 || Uranus || focustrack z || 237 || 44 || 0.3, 0.8 , 0. || 0.46 || not a great fit. set focus -0.42 and do it again. || || 17 || 01h48 || Uranus || focustrack z || 237 || 44 || 0.3, 0.8 , -0. 42 || 0.45 || better fit. set focus -0.35 || || 18 || 01h50 || Uranus || focustrack x || 239 || 43 || 0.3, 0.8 , -0.35 || 0.46 || good fit. set focus -0.32 /dir X . large change, do it again to check || || 19 || 01h56 || Uranus || focustrack x || 239 || 42 || 0.3, 0.8 , -0.35 || 0.46 || good fit. set focus /dir X -0.83 Large change !!! try Y and set nsubscan to 9 from scan 21 onward || || 20 || 02h03 || Uranus || focustrack y || 241 || 41 || 0.3, 0.8 , -0.35 || 0.46 || good fit. set focus 0.29 /dir Y. large change, do it again to check || || 21 || 02h04 || Uranus || focustrack y || 242 || 40 || 0.3, 0.8 , -0.35 || 0.46 || not a good fit, no solution @ 2mm. Do a pointing to check beam shape || || 22 || 02h10 || Uranus || nkpoint b || 243 || 40 || 0.3, 0.8 , -0.35 || 0.46 || set pointing -0.5 1, beam is 13" - 18" and looks more circular || || 23 || 02h10 || Uranus ||beammap || 243 || 39 || 0.3, 0.8 , -0.35 || 0.46 || Scan cancelled, forgot to update pointing before lauching || || 24-26 || 02h15 || Uranus || beammap || 244 || 36 || -0.5, 1.0, -0.35 || 0.2-0.79 || resonances fine at the start of first, second and third scan. tau 225 unstable during map || || 27 || 02h || Uranus || nkpoint b || 252 || 20 || 0.3, 0.8 , -0.35 || 0.46 || check pointing after beammap. set pointing -0.6 -0.3 . beam looks larger. 13" and 20"|| || 28 || 03h01 || Uranus || skydip_DIY || 252 || || -0.6, -0.3, -0.35 || 0.44 || resonances well peaked after the skydip. auto_nika_rta tries to reduce skydip and fails. Uranus getting low, will check focus on 3C84 || || 29 || 03h08 || 3C84 || track || 290 || 70 || -0.6, -0.3, -0.35 || 0.41 || || || 30 || 03h11 || 3C84 || nkpoint b || 290 || 70 || -0.6, -0.3, -0.35 || 0.41 || set pointing 5.9, 0.7. does not look too good, will try point faint || || 31 || 03h15 || 3C84 || nkpoint f || 290 || 69 || 5.9, 0.7, -0.35 || 0.61 || auto_nk_rta cannot reduce the pointing. neglect corrections. try point liss. || || 32 || 03h20 || 3C84 || nkpoint l || 290 || 68 || 5.9, 0.7, -0.35 || 0.96 || set pointing 5.0 1.2. FWHM 12 and 18" will try to focus...|| || 33 || 03h26 || 3C84 || focustrack z || 289 || 67 || 5.0, 1.2, -0.35 || 0.43 || tau very unstable... set focus -0.04 set nsubscans to 10|| || 34 || 03h30 || 3C84 || focustrack z || 289 || 67 || 5.0, 1.2, -0.04 || 0.43 || tau very unstable... do not help having a good fit without opacity correction set focus 0.00 set subscan to 12 || || 35 || 03h38 || 3C84 || focustrack x || 289 || 64 || 5.0, 1.2, -0.00 || 0.43 || set focus -0.77 /dir X opacity variation not helping || || 36 || 03h45 || 3C84 || focustrack y || 289 || 64 || 5.0, 1.2, -0.00 || 0.43 ||good fit. set focus 0.13 /dir Y small move since last time redo a point liss to check beam shape.|| || 37 || 03h52 || 3C84 || nkpoint l || 290 || 61 || 5.0, 1.2, -0.00 || 0.42 || set pointing 3.7, 1.9. Beam does not look great or is it the source ?|| || 38 || 03h55 || 3C84 || nkotf radec || 290 || 59 || 3.7, 1.9, -0.00 || 0.42 || nkotf 6 6 0 0 10 36 radec FWHM 13", 19" urgh...|| || 39 || 04:08 || W3OH || track || 324 || 49 || 3.7, 1.9, 0.00 || 0.49 || || || 40 || 04:09 || W3OH || nkpoint b || 324 || 49 || 3.7, 1.9, 0.00 || 0.47 || set pointing 2.2 1.4 || || 41 || 04:12 || W3OH || nkotf azel || 324 || 49 || 2.2, 1.4, 0.00 || 0.46 || nkotf 6 6 0 0 10 36 azel || || 42 || 04:21 || GL490 || track || 322 || 55 || 2.2, 1.4, 0.00 || 0.39 || || || 43 || 04:22 || GL490 || nkpoint l || 322 || 54 || 2.2, 1.4, 0.00 || 0.39 || set pointing 2.3 -0.5 || || 44 || 04:28 || GL490 || nkotf azel || 324 || 55 || 2.3, -0.5, 0.00 || 0.50 || nkotf 6 6 0 0 10 36 azel . Moving to 0716+714 that according to Iram monitoring has a very flat spectrum (even if variable) || || 45 || 04:39 || 0716+714 || track || 366 || 55 || 2.3, -0.5, 0.00 || 0.58 || || || 46 || 04:39 || 0716+714 || nkpoint l || 366 || 55 || 2.3, -0.5, 0.00 || 0.43 || set pointing 1.6 -1.1 || || 47 || 04:28 || 0716+714 || nkotf azel || 366 || || 1.6, -1.1, 0.00 || 0.45 || nkotf 6 6 0 0 10 36 azel . Moving to 0420-014 that according to Iram monitoring has a very flat spectrum (even if variable) || || 48 || 04:58 || 0420-014 || track || 230 || 38 || 1.6, -1.1, 0.00 || 0.39 || || || 49 || 04:59 || 0420-014 || nkpoint l || 230 || 38 || 1.6, -1.1, 0.00 || 0.69 || set pointing -1.9 -0.1 || || 50 || 05:03 || 0420-014 || nkotf azel || 230 || || -1.9, -0.1, 0.00 || 0.38 || nkotf 6 6 0 0 10 36 azel || || 51 || 05:14 || 0727-115 || track || 172 || 40 || -1.9, -0.1, 0.00 || 0.43 || || || 52 || 05:15 || 0727-115 || nkpoint l || 172 || 40 || -1.9, -0.1, 0.00 || 0.43 || set pointing 0.2 0.2 || || 53 || 05:21 || 0727-115 || nkotf azel || 172 || 40 || 0.2, 0.2, 0.00 || 0.43 || nkotf 6 6 0 0 10 36 azel || || 54 || 05:32 || 0923+392 || track || 75 || 65 || 0.2, 0.2, 0.00 || 0.36 || tau much more stable. even if poor || || 55 || 05:33 || 0923+392 || nkpoint l || 75 || 65 || 0.2, 0.2, 0.00 || 0.41 || set pointing 1.0, 1.1 this source has a steep spectrum according to iram monitoring || || 56 || 05:40 || 0923+392 || nkotf azel || 76 || 69 || 1.0, 1.1, 0.00 || 0.41 || nkotf 6 6 0 0 5 20 azel . Tau stable. then skydip, Next a retuning, we are down to 50% of the pixels on line B. Then focus session on Mars Back to nsample=6 on focustrack. || || 57 || 06:03 || 0923+392 || skydip_DIY || 76 || || 1.0, 1.1 0.00 || 0.42 || || || 58 || 06:14 || mars || track ||114 || 38 || 1.0, 1.1, 0.00 || 0.45 ||retuning got back B || || 59 || 06:18 || mars || point b ||114 || 38 || 1.0, 1.1, 0.00 || 0.45 || set pointing -0.7, -1.1 || || 60 || 06:20 || mars || focustrack z ||115 || 38 || -0.7, -1.1, 0.00 || 0.45 || very good fit, -0.01, (-0.08 at 1mm, also a good fit). set focus -0.01 || || 61 || 06:26 || mars || focustrack x ||115 || 38 || -0.7, -1.1, -0.01 || 0.45 || good fit at 2mm, no fit at 1mm, set focus -0.88 /dir X not too far from what we had. repeat to try to see a fit at 1mm|| || 62 || 06:30 || mars || focustrack x ||117 || 40 || -0.7, -1.1, -0.01 || 0.45 || good fit again. set focus -0.53 /dir X, see a fit at 1mm at -2.35, but not great. repeat|| || 63 || 06:34 || mars || focustrack x ||118 || 40 || -0.7, -1.1, -0.01 || 0.45 || good fit again. set focus -0.57 /dir X, see a fit at 1mm at -1.72, but not great. switch to y|| || 64 || 06:38 || mars || focustrack y ||119 || 41 || -0.7, -1.1, -0.01 || 0.45 || good fit set focus -0.02 /dir Y, no fit at 1mm. repeat|| || 65 || 06:42 || mars || focustrack y ||120 || 42 || -0.7, -1.1, -0.01 || 0.44 || not so good fit @ 2mm, set focus 0.56 /dir Y. poor fit at 1mm, 0.64 || || 66 || 06:47 || mars || focustrack y ||121 || 43 || -0.7, -1.1, -0.01 || 0.41 || not so good fit @ 2mm, set focus 0.26 /dir Y. no fit at 1mm ercheck focus z to see impact of moving|| || 67 || 06:51 || mars || focustrack z ||122 || 44 || -0.7, -1.1, -0.01 || 0.41 || good fit, set focus 0.03. no efect on z. now check beam size|| || 68 || 06:55 || mars || nkpoint b ||123 || 44 || -0.7, -1.1, 0.03 || 0.41 || set pointing -0.3 -0.5 FWHM 1mm : 11x13.5" 2mm: 18.2 x 18.4" We think we are at our best focus. now we do focusliss on all three axes, but don't apply the results. just for comparison.|| || 69 || 06:58 || mars || focusliss z ||124 || 45 || -0.3, -0.5, -0.03 || 0.44 || Data looks very poor no fit. Would be intersting to reprocess to see what comes out|| || 70 || 07:05 || mars || focusliss y ||124 || 45 || -0.3, -0.5, -0.03 || 0.44 || No imbfits. not processd || || 71 || 07:11 || mars || focusliss z ||130 || 48 || -0.3, -0.5, -0.03 || 0.44 || Data looks very poor poor fit. Would be intersting to reprocess to see what|| || 72-75 || 07:21 || mars || beammap || 131 || 49 || -0.3, -0.5, -0.03 || 0.44 || new obs. team || || 76 || 08:11 || 3c279 || track || || || || || 19 Jy, 2mm || || 77 || 08:14 || 3c279 || pointing || 130 || 34 || || || out put: pointing -0.1 -0.7; not set in pako || || 78 || 08:18 || 3c279 || nkotf azel || 130 || 34 || || || nkotf 6 6 0 0 5 20 azel || || 79 || 08:43 || 3c279 || pointing || || || || || set pointing 0.1 -2.6 || || 80 || 09:11 || 3c279 || nkotf azel || || || 0.1 -2.6 -0.03 || || source is seen by the 3 arrays || || 81 || 09:13 || 3c279 || nkliss 6 || 144 || 41 || || || rta gives strange results (try to analyse a focus) || || 82 || 09:41 || 3c279 || focustrack z || 144 || 41 || || || bad result. we redo the pointing || || 83 || 9:50 || 3c279 || nk point b || 154 || 44 || || || output: pointing 1.4 -0.8. not applied. we move away from the sun || || 84 || 9:54 || 1633+382 || track || || || || || 5 Jy || || 85 || 10:01 || 1633+382 || pointing || 63 || 35 || || || nothing ? || || 86 || 10:10 || 1633+382 || track || || || || || || || 87 || 10:12 || 1633+382 || pointing || 66 || 38 || || || lost kids (E nikel was down-....) || || 88 || 10:25 || 1633+382 || pointing || 68 || 40 || || || We follow the resonance recovery procedure and relaunch pointing for testing || || 89 || 10:48 || 1633+382 || pointing || 68 || 40 || || || || || 90 || 11:07 || 1633+382 || pointing || 68 || 40 || || || || || 91 || 11:56 || 1633+382 || pointing || 68 || 40 || || || pointing || || 92 || 11:58 || 1633+382 || track || || || || || || || 93 || 11:59 || 1633+382 || pointing || || || || || resonances are there now. still nothing... || || 94 || 12:03 || 1633+382 || pointing || || || || || resonances are there now. still nothing... || || 95 || 12:15 || Mars || track || || || || || we decided to move on to Mars; realised that the telescope shutter was closed...we were not observing the sky. || || 96 || 12:18 || Mars || pointing || || || || || set pointing -0.1 -1.3 || || 97 || 12:21 || Mars || focustrack || || || -0.1 -1.3 || || we loose the resonances : cancelled -> no antenna imbfits || || 98 || 12:22 || Mars || track for tuning || || || -0.1 -1.3 || || track -200 -200 || || 99 || 12:24 || Mars || track for tuning || || || -0.1 -1.3 || || track -200 -200 || || 100 || 12:25 || Mars || track for tuning || || || -0.1 -1.3 || || track -200 -200 || || 101 || 12:26 || Mars || track for tuning || || || -0.1 -1.3 || || track -200 -200 || || 102 || 12:27 || Mars || nkpoint b || || || -0.1 -1.3 || || no raw data || || 103 || 12:30 || Mars || nkpoint b || || || -0.1 -1.3 || || || ---- || 163 || 17.40 || Saturn || track || || || 0 0 0 || || back on the sky! || || 164 || 17.45 || Saturn || nkpoint b || || || 0 0 0 || 0.4? || IDL had issues with finding the pointing... || || 165 || 17.45 || 1757-240 || track || || || 0 0 0 || || nk_auto_rta was working on scans in the 80s (numbers, not years) || || 166 || 17.45 || G34.3 || track || || || 0 0 0 || || so we tried nkrta, ' || || 167 || 17.45 || G34.3 || track || || || 0 0 0 || || After much time wasted, we had to work on recovering resonances || || 168 || 17.45 || G34.3 || track || || || 0 0 0 || || || || 169 || 17.45 || G34.3 || track || || || 0 0 0 || || || || 170 || 17.45 || G34.3 || track || || || 0 0 0 || || || || 171 || 17.45 || G34.3 || track || || || 0 0 0 || || || || 172 || 17.45 || G34.3 || track || || || 0 0 0 || || || || 173 || 19.30 || Uranus || track || 108 || 32 || 0 0 0 || 0.47 || || || 174 || 19.35 || Uranus || nkpoint b || 108 || 32 || 0 0 0 || 0.47 || || || 175 || 19.42 || Uranus || nkpoint b || 109 || 34 || -0.9 -6.9 0 || 0.47 || Resonances appear unstable; not centered at zero. || || 176 || 19.48 || Uranus || focustrack z || 110 || 35 || -1.5 -5.6 0 || 0.47 || results: 1: -0.29; 2: 0.29; 3: 0.01 || || 177 || 19.54 || Uranus || track || 112 || 36 || -1.5 -5.6 0.29 || 0.66 || Just to be sure we were on Uranus. || || 178 || 19.35 || Uranus || focustrack x || 112 || 36 || -1.5 -5.6 0.29 || 0.47 || results: 1: -0.63; 2: -1.10; 3: -0.06 || || 179 || 19.35 || Uranus || focustrack z || 108 || 32 || -1.5 -5.6 0.29 || 0.47 || set focus to 0.25 || || 180-184 || 20.08 || Uranus || focuslissold || 108 || 32 || -1.5 -5.6 0.25 || 0.47 || not good results || || 185-187 || 20.20 || Uranus || beammap || 108 || 32 || -1.5 -5.6 0.25 || 0.47 || kid resonances appear to move around a fair bit. || || 188 || 20.20 || -- || skydip || 108 || 32 || -1.5 -5.6 0.25 || 0.47 || || || 189 || 21.12 || 3C84 || track || 63 || 42 || -1.5 -5.6 0.25 || 0.47 || || || 190 || 21.15 || 3C84 || nkpoint b || 63 || 42 || -1.5 -5.6 0.25 || 0.47 || 2: set pointing -1.9 -3.8 || || 191 || 21.18 || 3C84 || focustrack z || 64 || 43 || -1.9 -3.8 0.25 || 0.47 || Array 1: 0.18; Array 2: 0.26; we set the focus to 0.22 || || 192 || 21.26 || 3C84 || nkliss 1 || 64 || 44 || -1.9 -3.8 0.22 || 0.45 || || || 193 || 21.32 || 0234+285 || track || 87 || 49 || -1.9 -3.8 0.22 || 0.45 || || || 194 || 21.33 || 0234+285 || nkliss 1 || 87 || 49 || -1.9 -3.8 0.22 || 0.45 || Point source found to be 1.37 +/- 0.027 Jy || || 195 || 21.38 || 0234+285 || nkliss 1 || 87 || 49 || -1.9 -3.8 0.22 || 0.45 || || || 196 || 21.43 || 0234+285 || nkpoint f || 87 || 49 || -1.9 -3.8 0.22 || 0.45 || || || 197 || 21.43 || 0234+285 || nkotf_square 1 || 87 || 49 || -1.9 -3.8 0.22 || 0.45 || || || 198 || 21.43 || 0234+285 || nkotf_square 1 || 87 || 49 || -1.9 -3.8 0.22 || 0.45 || || || 199 || 21.43 || 0235+164 || track || 87 || 49 || -1.9 -3.8 0.22 || 0.45 || || || 200 || 21.43 || 0235+164 || nkpoint f || 87 || 49 || -1.9 -3.8 0.22 || 0.45 || || || 201 || 21.43 || 0235+164 || nkpoint l || 87 || 49 || -1.9 -3.8 0.22 || 0.45 || || || 202 || 21.43 || 0235+164 || nkpoint l || 87 || 49 || -1.9 -3.8 0.22 || 0.45 || || || 203 || 21.43 || 0235+164 || nkotf_square 1 || 87 || 49 || -1.9 -3.8 0.22 || 0.45 || || || 204 || 21.43 || 0235+164 || nkotf_square 1 || 87 || 49 || -1.9 -3.8 0.22 || 0.45 || || || BREAK 30 min || || || || || || || || || || 205 || 22.12 || 0239+108 || track || 87 || 49 || -1.9 -3.8 0.22 || 0.44 || || || 206 || 22.17 || 0239+108 || nkotf 1 || 87 || 49 || -1.9 -3.8 0.22 || 0.42 || || || 207 || 22.23 || 0239+108 || nkotf 1 || 87 || 49 || -1.9 -3.8 0.22 || 0.40 || || || 208 || 22.24 || 0239+108 || nkotf 1 || 87 || 49 || -1.9 -3.8 0.22 || 0.40 || || || 209 || 22.28 || 0239+108 || nkotf 1 || 87 || 49 || -1.9 -3.8 0.22 || 0.69 || || || 210 || 22.29 || 0239+108 || nkotf 1 || 87 || 49 || -1.9 -3.8 0.22 || 0.69 || || || 211 || 22.30 || 0239+108 || nkotf 1 || 87 || 49 || -1.9 -3.8 0.22 || 0.69 || || || 212 || 22.31 || 0239+108 || nkotf 1 || 87 || 49 || -1.9 -3.8 0.22 || 0.69 || || || 213 || 22.33 || 0239+108 || nkotf 1 1 0 0 10 36 RADEC || 87 || 49 || -1.9 -3.8 0.22 || 0.34 || || || 214 || 22.34 || 0239+108 || nkotf 1 1 90 0 10 36 RADEC || 87 || 49 || -1.9 -3.8 0.22 || 0.34 || || || 215 || 22.35 || 0239+108 || nkotf 1 1 0 90 10 36 RADEC || 87 || 49 || -1.9 -3.8 0.22 || 0.34 || || || 216 || 22.41 || NGC1068 || nkpoint f || 135 || 43 || -1.9 -3.8 0.22 || 0.42 || || || 217 || 22.49 || NGC1068 || track || 135 || 43 || -1.9 -3.8 0.22 || 0.40 || || || 218-225 || 22.50 || NGC1068 || nkliss 1 || 135 || 43 || -1.9 -3.8 0.22 || 0.40 || If we want to combine these... || || 226 || 23.33 || Uranus || track || 190 || 59 || -1.9 -3.8 0.22 || 0.3 || we move to Uranus to re-focus, but first skydip. || || 227 || 23.36 || Uranus || skydip_DIY || 190 || * || -1.9 -3.8 0.22 || 0.3 || we are down to 80% of the pixels on line B. || || 228 || 23.43 || Uranus || track || 194 || 58 || -1.9 -3.8 0.22 || 0.29 || || || 229 || 23.44 || Uranus || nkpoint b || 194 || 58 || -1.9 -3.8 0.22 || 0.29 || set point -0.2 -1.0. Not nice fit. repeat to check. || || 230 || 23.48 || Uranus || nkpoint b || 197 || 58 || -0.2 -1.0 0.22 || 0.31 || set point -0.6 -1.1. Better fit. || || 231 || 23.51 || Uranus || focustrack z || 198 || 58 || -0.6 -1.1 0.22 || 0.34 || good fit. set focus 0.3 || || 232 || 23.58 || Uranus || focustrack y || 201 || 57 || -0.6 -1.1 0.3 || 0.38 || good fit. set focus 0.17/dir Y || || BREAK || || || || || || || || Changing day, see continuation of the session on the next log sheet || Array 2: set pointing -0.4 -3.4