Differences between revisions 14 and 16 (spanning 2 versions)
Revision 14 as of 2014-10-10 20:42:39
Size: 6462
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Revision 16 as of 2014-10-10 21:09:17
Size: 6864
Comment:
Deletions are marked like this. Additions are marked like this.
Line 64: Line 64:
|| 149-151 || 20h41 || NGC7538 || @otf5x5 || 382 || 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 ||
|| 152 || 21h01 || NGC7538 || @otf5x5 || 377 || 63 || 0,0,-1.8 || 0.6 || HWP rotating 6pts independants. HWP stopped : cancelled ||
|| 153-155 || 21h08 || NGC7538 || @otf3x3 || 375 || 63 || 0,0,-1.8 || 0.6 || HWP rotating 6pts independants. ||

NIKA October 10th, 2014 / S4

Back to list of day to day logbook of observations

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

152

21h01

NGC7538

@otf5x5

377

63

0,0,-1.8

0.6

HWP rotating 6pts independants. HWP stopped : cancelled

153-155

21h08

NGC7538

@otf3x3

375

63

0,0,-1.8

0.6

HWP rotating 6pts independants.

NK2014_Oct10 (last edited 2014-10-12 21:39:46 by NikaBolometer)