Differences between revisions 1 and 17 (spanning 16 versions)
⇤ ← Revision 1 as of 2012-06-04 13:21:15 →
Size: 7369
Editor: NikaBolometer
Comment:
← Revision 17 as of 2012-06-04 13:50:46 → ⇥
Size: 1580
Editor: NikaBolometer
Comment:
Deletions are marked like this. Additions are marked like this.
Line 5: Line 5:
Nasmyth offsets : 0, 0 Nasmyth offsets : 0, 0//
Line 7: Line 7:
Set pointing : 24 9 Set pointing : 28 9.1
Line 9: Line 9:
Set Focus : -1.3 mm Set Focus : -1.5 mm
Line 13: Line 13:
Cryostat cold at 95 mK. Cryostat cold at 93 mK.
Line 15: Line 15:
New configuration of resonances for both arrays. (Pixel numdet 127@1mm could now be pixel 120+18, 7@2mm should still be 7) Configuration of resonances for both arrays similar to yesterday.
Line 17: Line 17:
Base frequencies changed to 1.322000 @2mm, 1.957680 @1mm Base frequencies changed to 1.322000 @2mm, 1.956670 @1mm

Freq/bin: 1.869 kHz

dac: 3dB

Attenuation HF: 16 and 3 dB

Modulation frequency: 10 kHz
Line 21: Line 29:
Observation planning:
 1. Stall position: open trap to let the big box out.
 1. Complete freq sweep near Mars: 1 tone config. Pointing, Pointing, Focus, Pointing, OTF_geomfast
 1. All tone config: Pointing, Pointing, Focus, Pointing, OTF_geomfast, Skydip
 1. Crab: 16min OTF_15x10
 1. 0716+714 (pointing quasar): OTF_faintsource2012 (4 min), APM08279+5255: 5x OTF_faintsource2012 (20 min)
 1. 0923+392 (pointing quasar): OTF_faintsource2012 (4 min), F10214+4724: 5x OTF_faintsource2012 (20 min)
 1. 3C273 (pointing quasar): OTF_faintsource2012 (4 min), RXJ1347-1145: xxx OTF_RXJ (xxx6 min)

Cryostat closed: Complete frequency sweep on B (twice) at 12h55m45, A: 13h16

Starting configuration: Alain gone down on bike (Martino on his own with NIKA!), one tone only on each channel KA007(nd7,rz8), KB005 (nd126,rz7)
Line 24: Line 44:
|| 128 || 14h18 || Mercury || OTF fastgeom || 240 || 69 || || 0.247 || LO freq changed by 190kHz upward from closed camera ||
|| 129 || 14h || Mercury || Track || 240 || 69 || || 0.139 || OK ||
|| 130 || 14h || Mercury || Track || 240 || 69 || || || ||
|| 131 || 14h40 || Mercury || Cross || 250 || 63 || || 0.215 || ||
|| 132 || 14h51 || Mercury || Cross || 250 || 63 || || 0.266 || ||
|| 133 || 14h56 || Mercury || Cross || 250 || 63 || 37.5 2.7 || 0.188 || Very fluctuating scan ||
|| 134 || 15h08 || Mercury || Cross || 257 || 57 || || 0.148 || tau not reliable, humidity = 75% ||
|| 135 || 15h18 || Mercury || Focus 2/nsub 6 || 259 || 56 || 30.2 7.7 -1.3 || || ||
|| 136 || 15h18 || Mercury || track|| || || || || ||
|| 137 || 15h25 || Mercury || OTF fastgeom || 260 || 54 || 30.2 7.7 -1.3 || 0.142 || ||
|| 138 || 15h37 || Mercury || track /tsub 300 || 262 || 52 || || 0.205 || Noise measurement ||
|| 139 || 15h45 || Mercury || Focus 2/nsub 6 || 259 || 56 || 30.2 7.7 -0.7 || 0.172 || ||
|| 140 || 15h48 || Mercury || Focus 2/nsub 6 || 259 || 56 || 30.2 7.7 -1.7 || 0.195 || best focus found near -1.2 ||
|| 141 || 16h02 || Mercury || OTF fastgeom || 259 || 56 || 30.2 7.7 -0.5 || 0.173 || defocused map ||
|| 142 || 16h20 || Mercury || OTF fastgeom || 269 || 44 || 30.2 7.7 -2.2 || 0.170 || defocused map (subscan 29 pb of pointing interpol?) ||
|| 143 || 16h41 || Mercury || Focus 2/nsub 6 || 273 || 39 || 30.2 7.7 -1.2 || 0.123 || defocused map ||
|| 144 || 16h44 || Mercury || Track /tsub 300 || 274 || 38 || 30.2 7.7 -1.2 || || Noise measurement ||
|| 145 || 16h44 || Mercury || Cross || 273 || 39 || 30.2 7.7 -1.2 || || ||
|| 146 || 16h53 || Mars || Track 300 300 /tsub 30|| || || 30.2 7.7 -1.2 || || Retune ||
|| 147 || 17h03 || Mars || Cross || 140 || 53 || 30.2 7.7 -1.2 || 0.079 || ||
|| 148 || 17h06 || Mars || Cross || 142 || 54 || 25.0 15.1 -1.2 || 0.079 || ||
|| 149 || 17h09 || Mars || Focus || 142 || 54 || 28.0 9.1 -1.2 || 0.079 || ||
|| 150 || 17h14 || Mars || Focus || 145 || 55 || 28.0 9.1 -0.53 || 0.079 || ||
|| 151 || 17h21 || Mars || Cross || 151 || 55 || 28.0 9.1 -0.64 || 0.097 || Recover the same pointing. OK! ||
|| 152 || 17h25 || Mars || OTF fastgeom || 151 || 55 || || 0.095 || ||
|| 153 || 17h37 || Mars || track || 151 || 55 || || 0.179 || ||
|| 154 || 17h21 || Mars || Cross || 151 || 55 || || || ||
|| 155 || 17h48 || Mars || Crossplateau || 159 || 58 || || || Large and fast cross 480arcsec ||
|| 156 || 17h54 || Mars || Focus || 161 || 58 || 28.0 9.1 -0.64 || || Undetermined focus ||
|| 157 || 18h02 || Mars || Focus || 165 || 58 || 28.0 9.1 -0.64 || || ||
|| 158 || 18h08 || Mars || Crossplateau(3crosses)|| 165 || 58 || || || DAC level from 3 to 2dB 1.957710@1mm ||
|| 159 || 18h13 || Mars || Track 2min || 170 || 59 || || || for Noise with same settings ||
|| 160 || 18h20 || Mars || Crossplateau(3crosses)|| 174 || 58 || || 0.037! || DAC level back to 3dB, f=1.322190@2mm, 1.957800@1mm ||
|| 161 || 18h13 || Mars || Track 2min || 170 || 59 || || || for Noise with same settings ||
|| 162 || 18h47 || Mars || Crossplateau(3crosses)|| 178 || 59 || || 0.065 || One tone only KA007(nd7,rz8), KB005 (nd126,rz7) ||
|| 163 || 18h52 || Mars || Track 2min || 190 || 59 || || || for Noise with same settings ||
|| 164 || 19h15 || Mars || Crossplateau(3crosses)|| || 57 || || 0.040 || All tones back after much retuning LO shifted by -20@2mm,-30kHz@1mm wrt nominal (last cross had a retuning)||
|| 165 || 19h20 || Mars || Cross || 203 || 57 || || || All is nominal ||
|| 166 || 19h23 || Mars || Focus || 204 || 57 || || 0.022 || Power on 2mm 16db polarization, +3dB on ampli, : LO: 1.322200@2mm ||
|| 167 || 19h23 || Mars || Focus || 204 || 57 || 28 9.1 -1.5 || 0.022 || Focus confirmed ||
|| 168 || 19h34 || Mars || OTF fastgeom || 208 || 56 || || 0.095 || scan half done (14th subscan stuck) ||
|| 169 || 19h47 || BR1202-0725|| OTF faint_source || 186 || 45 || || 0.007 || Attempt at a 12mJy source ||
|| 170 || 19h54 || BR1202-0725|| OTF faint_source || 188 || 45 || || 0.000 || Space weather! ||
|| 171 || 20h00 || BR1202-0725|| OTF faint_source || 191 || 44 || || 0.000 || ||

NK2012_S5

20120604 Final day

Nasmyth offsets : 0, 0//

Set pointing : 28 9.1

Set Focus : -1.5 mm

df (Frequency modulation is 10kHz)

Cryostat cold at 93 mK.

Configuration of resonances for both arrays similar to yesterday.

Base frequencies changed to 1.322000 @2mm, 1.956670 @1mm

Freq/bin: 1.869 kHz

dac: 3dB

Attenuation HF: 16 and 3 dB

Modulation frequency: 10 kHz

Track means automatic retuning of resonances

Observation planning:

  1. Stall position: open trap to let the big box out.
  2. Complete freq sweep near Mars: 1 tone config. Pointing, Pointing, Focus, Pointing, OTF_geomfast
  3. All tone config: Pointing, Pointing, Focus, Pointing, OTF_geomfast, Skydip
  4. Crab: 16min OTF_15x10
  5. 0716+714 (pointing quasar): OTF_faintsource2012 (4 min), APM08279+5255: 5x OTF_faintsource2012 (20 min)
  6. 0923+392 (pointing quasar): OTF_faintsource2012 (4 min), F10214+4724: 5x OTF_faintsource2012 (20 min)
  7. 3C273 (pointing quasar): OTF_faintsource2012 (4 min), RXJ1347-1145: xxx OTF_RXJ (xxx6 min)

Cryostat closed: Complete frequency sweep on B (twice) at 12h55m45, A: 13h16

Starting configuration: Alain gone down on bike (Martino on his own with NIKA!), one tone only on each channel KA007(nd7,rz8), KB005 (nd126,rz7)

Scan

UT

Source

Command .....

Az

El

PointX, Y, Focus

Tau

Comment

127

14h07

Mercury

Track tsub 30

24 9 -1.3

0.438

Very cloudy

NK2012_S5 (last edited 2012-07-30 14:04:16 by NikaBolometer)