Describe NK2015_Oct24 here.

NIKA October 24, 2015 / S8

Back to list of day to day logbook of observations

2015-10-24


IMPORTANT NOTES ON OBSERVING INFO


Data Repository: /home/nika2/NIKA/Data/run13_X/scan24_X

Goal of the session:

Scan

UT

Source

Command

Az

El

Pointing X, Y, Focus

Tau225

Comment

232

23.58

Uranus

focustrack y

201

57

-0.6 -1.1 0.3

0.38

[LAST SCAN OF PREVIOUS DAY; SEE PREVIOUS LOG SHEET FOR THE BEGINNING OF THE SESSION]

BREAK

Changing day

1

00.02

Uranus

focustrack x

203

57

-0.6 -1.1 0.3

0.32

good fit. set focus -0.86/dir X . Go for otf sources.

2

00.09

0420-014

track

133

40

-0.6 -1.1 0.3

0.35

3

00.13

0420-014

nkpoint b

133

40

-0.6 -1.1 0.3

0.35

set pointing -2.2 -0.7. before correcting, compare with pointing liss.

4

00.15

0420-014

nkpoint l

133

40

-0.6 -1.1 0.3

0.36

set pointing -1.7 -2.0. we consider the liss, BUT: WARNING the pointing is different. to Check.

5-12

00.21

0420-014

nkliss 1

135

42

-1.7 -2.0 0.3

0.38

nominal flux at 2mm is 5Jy.

13-21

01.00

0420-014

nkotf_square 1

146

46

-1.7 -2.0 0.3

0.54

for comparison between liss and otf

22

01.00

0420-014

nkotf_square 1

146

46

-1.7 -2.0 0.3

0.54

CANCELLED

23

01.12

0430+052

track

143

53

-1.7 -2.0 0.3

0.43

24

01.14

0430+052

nkpoint l

143

53

-1.7 -2.0 0.3

0.43

set point -0.3 -1.1

25-29

01.20

0430+052

nkliss 6

145

54

-0.3 -1.1 0.3

0.41

nominal flux at 2mm(??it is marked as polarized source on Xephem) is 2Jy.

30

01.49

0430+052

focustrack z

158

56

-0.3 -1.1 0.3

0.58

good fit. set focus 0.51

31

01.53

0430+052

focustrack x

159

56

-0.3 -1.1 0.51

0.58

bad fit. repeat.

32

01.58

0430+052

focustrack x

159

56

-0.3 -1.1 0.51

0.53

very bad fit. don't change anything. go to focus Y.

33

02.01

0430+052

focustrack y

163

57

-0.3 -1.1 0.51

0.53

very bad fit also along Y. Maybe too faint source. We move to Uranus to focus. Good resonances.

34

02.09

Uranus

track

243

39

-0.3 -1.1 0.51

0.38

35

02:11

Uranus

nkpoint b

243

39

-0.3 -1.1 0.51

0.46

set point -1.9 -3.3

36

02:14

Uranus

focustrack z

243

39

-1.9 -3.3 0.51

0.46

good fit. set focus 0.38

37

02:18

Uranus

focustrack x

245

38

-1.9 -3.3 0.38

0.46

better fit than before. set focus -1.10 /dir X

38

02:22

Uranus

focustrack y

246

37

-1.9 -3.3 0.38

0.33

bad fit. repeat.

39

02:27

Uranus

focustrack y

247

36

-1.9 -3.3 0.38

0.51

bad fit. We take the correction -1.50 /dir Y.

40-42

02.33

Uranus

beammap

248

35

-1.9 -3.3 0.38

0.68

beam 17" and 21" at 1mm and 2mm respectively.

43

03:25

Uranus

focustrack y

259

24

-1.9 -3.3 0.38

0.51

bad fit

44

03:27

Uranus

focustrack x

259

24

-1.9 -3.3 0.38

0.51

bad fit

45

03.29

Uranus

focustrack y

259

24

-1.9 -3.3 0.38

0.51

starting from 0.26. bad fit

46

03.32

Uranus

focustrack y

259

24

-1.9 -3.3 0.38

0.50

starting from -0.57. bad fit. Maybe because Uranus is too low in elevation. Proceed to mapping sources

47

03.44

SXDF

track

238

27

-1.9 -3.3 0.38

0.50

48

03.46

SXDF

nkpoint l

238

27

-1.9 -3.3 0.38

0.42

the source is too faint (~4mJy at 2mm) for pointing.

49-58

03:52

SXDF

nkliss 1

240

25

-1.9 -3.3 0.38

0.57

ended 4:48

59

04:50

3C84

track

-1.9 -3.3 0.38

0.57

bright source (9 Jy) at high-ish elevation (already observed at lower elevation)

60

04:51

3C84

nkpoint l

293

48

-1.9 -3.3 0.38

0.57

launched 2 pointings using different commands for comparison; output : pointing -1.5 -3.4

61

04:

3C84

nkpoint b

293

48

-1.9 -3.3 0.38

0.57

output pointing -0.1 -4.4 ; both results seem reasonable. We choose outputs from point liss for consistency with previous choice : set pointing -1.5 -3.4

62

05:00

3C84

focustrack z

293

48

-1.5 -3.4 0.38

0.57

set focus 0.3

63

05:00

3C84

focustrack x

293

48

-1.5 -3.4 0.3

0.57

set focus -0.12 /dir X

64

05:00

3C84

focustrack y

293

48

-1.5 -3.4 0.3

0.48

set focus 0.52 /dir Y

65-69

05:00

3C84

nkliss 4

294

46.5

-1.5 -3.4 0.3

0.48

71-84

05:00

3C84

nkotf_square 4

294

46.5

-1.5 -3.4 0.3

0.48

85

06:

skydip_DIY

294

46.5

-1.5 -3.4 0.3

0.48

86

06:

0415+379

track

294

46.5

-1.5 -3.4 0.3

0.48

87

06:

0415+379

nkpoint f

294

46.5

-1.5 -3.4 0.3

0.48

no source, output : pointing -48.7 29.0, not usable. DO NOT USE NKPOINT F

88

06:

0415+379

nkpoint l

294

46.5

-1.5 -3.4 0.3

0.48

output pointing ***** 146.2, not usable. we test using the nkpoint b

89

06:

0415+379

nkpoint b

294

46.5

-1.5 -3.4 0.3

0.48

output : pointing -69.9 29.8; we cannot have pointing offset, moving to brighter source

90

06:

W3OH

track

326

31

-1.5 -3.4 0.3

0.6

8 Jy

91

06:

W3OH

nkpoint b

326

31

-1.5 -3.4 0.3

no source; very cloudy; we move on to Mars

92

06:

Mars

track

127

46.5

-1.5 -3.4 0.3

do not genetrate a raw data file : no scan number associated (together with the pointing)

92

06:

Mars

nk_point

127

46.5

-1.5 -3.4 0.3

set pointing -2.3 -3.5

93

06:

Mars

focustrack z

127

46.5

-1.5 -3.4 0.3

0.65

output : Array 1: focus 0.08; Array 2: focus 0.17; fit not clear; relaunching

94

06:

Mars

focustrack z

127

46.5

-1.5 -3.4 0.3

0.65

output : (Array 1: focus 0.17, Array 2: focus 0.24); set focus 0.2

95-99

06:

Mars

focuslissold

127

46.5

-1.5 -3.4 0.2

0.65

output (Flux A1: 0.02, FWHM A1: -0.10, Flux A2: 0.19, FWHM A2: 0.27) mean arount .2; nothing to change

100-102

07:

Mars

beammap

127

46.5

-1.5 -3.4 0.2

0.65

103

08:

3C273

track

145

54

-1.5 -3.4 0.2

0.65

104

08:

3C273

nkpoint b

145

54

-1.5 -3.4 0.2

0.65

Array 2: set pointing -1.9 -1.1

105

08:

3C273

focustrack z

145

54

-1.9 -1.1 0.2

0.65

Focus is not good (returns minimum)

106-110

08:

3C273

focuslissold

145

54

-1.9 -1.1 0.2

0.65

111

08:

3C273

nkotf 2 2 0 0 10 36 radec

145

54

-1.9 -1.1 0.2

0.65

8.27 +/- 0.02 Jy

112

08:

venus

track

169

58

-1.9 -1.1 0.2

0.65

113

08:

venus

nkpoint b

169

58

-1.9 -1.1 0.2

0.65

Array 2: set pointing 2.5 2.3

114

08:

venus

nkpoint l

169

58

+2.5 +2.3 0.2

0.65

1000 Jy! Are we looking at Jupiter? Many planets shown together in xephem.

115

08:

venus (J?)

nkotf 2 2 0 0 10 36 azel

169

58

+2.5 +2.3 0.2

0.65

1000 Jy! Are we looking at Jupiter? Many planets shown together in xephem.

116

08:

mars

track

169

58

+2.5 +2.3 0.2

0.65

117

09:

mars

nkpoint b

169

58

+2.5 +2.3 0.2

0.65

Array 2: set pointing 1.3 -0.0

118

09:04

mars

focustrack z

169

58

+1.3 0.0 0.2

0.5

119-121

09:09

mars

beammap

173

58

+1.3 0.0 0.2

0.5-1.0

122

09:55

0723-008

track

254

18

+1.3 0.0 0.2

0.6

cancelled - too low

123

10:00

0851+202

track

259

47

-1.9 -1.1 0.2

0.65

124

10:

0851+202

nkpoint b

259

47

+1.3 0.0 0.2

0.6

Array 2: set pointing -0.9 -0.7 POINTING NOT CHANGED!

125

10:09

0851+202

nkpoint b

259

47

+1.3 0.0 0.2

0.6

Array 2: set pointing -1.6 -2.3

126

10:

0851+202

focustrack z

259

47

-1.6 -2.3 0.2

0.7

Array 2: set focus 0.38; FOCUS NOT CHANGED!

127

10:21

0851+202

nkliss 1

263

43

-1.6 -2.3 0.2

0.7

128

10:

0851+202

nkotf_square

259

47

-1.6 -2.3 0.2

0.7

129

10:33

0851+202

nkotf_square

259

47

-1.6 -2.3 0.2

0.7

130

10:33

0851+202

nkotf 2 2

259

47

-1.6 -2.3 0.2

0.7

131

10:33

0851+202

nkotf 2 2

259

47

-1.6 -2.3 0.2

0.7

132

10:33

0851+202

nkotf 2 2 90 0 20 36 radec

259

47

-1.6 -2.3 0.2

0.8

133

10:

0851+202

nkotf 2 2 180 0 20 36 radec

259

47

-1.6 -2.3 0.2

0.8

134

10:

0851+202

nkotf 2 3 0 0 40 36 radec

259

47

-1.6 -2.3 0.2

0.8

135

10:

0851+202

nkotf 2 3 45 0 40 36 radec

259

47

-1.6 -2.3 0.2

0.9

136

10:

0851+202

nkotf 2 3 90 0 40 36 radec

259

47

-1.6 -2.3 0.2

0.9

137

10:

0851+202

nkotf 2 3 225 0 20 36 radec

259

47

-1.6 -2.3 0.2

0.9

138

10:57

--

skydip

259

47

-1.6 -2.3 0.2

0.9

139

11:07

Mars

track

259

47

-1.6 -2.3 0.2

0.9

140

11:

Mars

nkpoint b

259

47

-1.6 -2.3 0.2

0.8

Array 2: set pointing -1.5 -1.7

141

11:15

Mars

focustrack z

259

47

-1.5 -1.7 0.2

0.8

Array 2: -2.16 FOCUS NOT CHANGED!

142-146

11:22

Mars

focuslissold

259

47

-1.5 -1.7 0.2

0.8

142-146

11:22

--

skydip

259

47

-1.5 -1.7 0.2

0.8

142-146

11:22

Mars

track

259

47

-1.5 -1.7 0.2

0.8

142-146

11:22

Mars

beammap

259

47

-1.5 -1.7 0.2

0.8


NO EVENING SESSION (is it due to bad weather ? -SL-)

NK2015_Oct24 (last edited 2015-10-29 16:08:14 by NikaBolometer)