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GOMOS Daily Report 08-MAY-2009

GOMOS Daily Report 08-MAY-2009


Level 0 and Level 1 products

SUMMARY

1. General Info

 
2. Summary of products arrived in PCF (Product Control Facility)
2.1 Level 0: products arrived in PCF during current month (see template here)
2.2 Level 0: plot of mission plan versus production during reporting period
2.3 Level 0: summary of missing occultations with respect to the plan
2.4 Level 1: products arrived in PCF during reporting period

 
3. Plot of Spectrometers and Photometers temperatures

 
4. Dark Charge monitoring
4.1 Products that did not use the Dark Sky Area observation for DC computation
4.2 Plot of Dark Charge

 
5. Demodulation correction and quality product information monitoring
5.1 Percentage of products with some flags set
5.2 Plot of quality information per product (time dependant)
5.3 Plot of quality information per product (world map)

 
6. Star tangent altitude lost
6.1 Statistics on star tangent altitude lost
6.2 Plot of star tangent altitude lost: DARK products
6.3 Plot of star tangent altitude lost: BRIGHT products
6.3 Plot of star tangent altitude lost: TWILIGHT products

 
7. Star Acquisition and Tracking Unit (SATU)
7.1 SATU plots (dark limb): 'X' and 'Y' axis
7.2 SATU Noise Equivalent Angle statistics
7.2.1 SATU NEA Statistics (table)
7.2.2 Daily SATU NEA STD (dark limb) - trend since 1st April 2006

 
8.Auxiliary Data Files used for the production reported in section 2.4

 


Level 2 products




 

1. General Info

This report presents the daily analysis on parameters extracted from GOMOS level 1b data (GOM_TRA_1P).
It is intended to monitor some important parameters that will impact the quality of the level 2 products
as the Spectrometers and Photometers CCD Temperatures and Dark Charge, SATU noise equivalent angle...
A list of level 0 products (and content) that have arrived during the actual month to the PCF is also given.
 
Item Value
Time of report generation
13MAY2009 04:40:41
Data source version
GOMOS/5.00
Start time of products
08MAY2009 00:19:47
Stop time of products
08MAY2009 05:42:32
Store outputs in DB
Yes
Nb of level 1b prods
49
Nb of prods with errors
0

2. Summary of products arrived in PCF (Product Control Facility)

2.1 Level 0 products arrived in PCF (see template here)

2.2 Plot of mission plan versus Level 0 production arrived in PCF during reporting period

Red segments are missing products.
Blue segments are available products.
Green segments are calibration measurements (not available products to users).

qds_image

2.3 Summary of missing occultations (red segments in previous plot)

UTC start time Star name Star ID Orbit
08-MAY-2009 23:27:57
49DelCap
142
37587

2.4 Summary of processed GOM_TRA_1P products

Nr Filename UTC Start time Limb Duration Star Id Star Name Star Mag Star Temp Nb Meas Orbit Prod. error
1
GOM_TRA_1PNPDE20090508_001947_000000472078_00446_37574_5965.N1
08-MAY-2009 00:19:47
Straylight
46.500
40
The Sco
1.8590
7100.0
93
37574
No
2
GOM_TRA_1PNPDE20090508_002138_000000502078_00446_37574_5966.N1
08-MAY-2009 00:21:38
Straylight
50.000
25
35Lam Sco
1.6200
28000.
100
37574
No
3
GOM_TRA_1PNPDE20090508_002422_000000472078_00446_37574_5967.N1
08-MAY-2009 00:24:22
Straylight
46.500
75
26Eps Sco
2.2910
4250.0
93
37574
No
4
GOM_TRA_1PNPDE20090508_002746_000000482078_00446_37574_5968.N1
08-MAY-2009 00:27:46
Twi_and_stray
48.000
16
21Alp Sco
1.0200
3000.0
96
37574
No
5
GOM_TRA_1PNPDE20090508_002944_000000452078_00446_37574_5969.N1
08-MAY-2009 00:29:44
Twi_and_stray
44.500
80
7Del Sco
2.3160
30000.
89
37574
No
6
GOM_TRA_1PNPDE20090508_003440_000000422078_00446_37574_5970.N1
08-MAY-2009 00:34:40
Bright
42.000
104
27Bet Lib
2.6140
13100.
84
37574
No
7
GOM_TRA_1PNPDE20090508_004046_000000522078_00446_37574_5971.N1
08-MAY-2009 00:40:46
Bright
52.000
102
24Alp Ser
2.6000
4250.0
104
37574
No
8
GOM_TRA_1PNPDE20090508_004608_000000402078_00446_37574_5972.N1
08-MAY-2009 00:46:08
Bright
40.000
83

2.3780
11000.
80
37574
No
9
GOM_TRA_1PNPDE20090508_004733_000000462078_00446_37574_5973.N1
08-MAY-2009 00:47:33
Bright
46.000
67
5Alp CrB
2.2210
11000.
92
37574
No
10
GOM_TRA_1PNPDE20090508_005826_000000422078_00446_37574_5974.N1
08-MAY-2009 00:58:26
Bright
41.500
119
14Eta Dra
2.7270
4700.0
83
37574
No
11
GOM_TRA_1PNPDE20090508_010910_000000372078_00446_37574_5975.N1
08-MAY-2009 01:09:10
Bright
37.000
89
5Alp Cep
2.4510
8000.0
74
37574
No
12
GOM_TRA_1PNPDE20090508_012151_000000352078_00446_37574_5976.N1
08-MAY-2009 01:21:51
Twi_and_stray
34.500
93
53Bet Peg
2.5200
3100.0
69
37574
No
13
GOM_TRA_1PNPDE20090508_012606_000000362078_00446_37574_5977.N1
08-MAY-2009 01:26:06
Dark
35.500
90
54Alp Peg
2.4870
11000.
71
37574
No
14
GOM_TRA_1PNPDE20090508_013349_000000502078_00446_37574_6112.N1
08-MAY-2009 01:33:49
Dark
50.000
162
34Alp Aqr
2.9440
5350.0
100
37574
No
15
GOM_TRA_1PNPDE20090508_020024_000000472078_00447_37575_6113.N1
08-MAY-2009 02:00:24
Straylight
47.000
40
The Sco
1.8590
7100.0
94
37575
No
16
GOM_TRA_1PNPDE20090508_020214_000000512078_00447_37575_6114.N1
08-MAY-2009 02:02:14
Straylight
50.500
25
35Lam Sco
1.6200
28000.
101
37575
No
17
GOM_TRA_1PNPDE20090508_020458_000000472078_00447_37575_6115.N1
08-MAY-2009 02:04:58
Straylight
46.500
75
26Eps Sco
2.2910
4250.0
93
37575
No
18
GOM_TRA_1PNPDE20090508_020823_000000482078_00447_37575_6116.N1
08-MAY-2009 02:08:23
Twi_and_stray
48.000
16
21Alp Sco
1.0200
3000.0
96
37575
No
19
GOM_TRA_1PNPDE20090508_021020_000000452078_00447_37575_6117.N1
08-MAY-2009 02:10:20
Bright
44.500
80
7Del Sco
2.3160
30000.
89
37575
No
20
GOM_TRA_1PNPDE20090508_021517_000000422078_00447_37575_6118.N1
08-MAY-2009 02:15:17
Bright
42.000
104
27Bet Lib
2.6140
13100.
84
37575
No
21
GOM_TRA_1PNPDE20090508_022121_000000522078_00447_37575_6119.N1
08-MAY-2009 02:21:21
Bright
51.500
102
24Alp Ser
2.6000
4250.0
103
37575
No
22
GOM_TRA_1PNPDE20090508_022643_000000422078_00447_37575_6120.N1
08-MAY-2009 02:26:43
Bright
42.000
83

2.3780
11000.
84
37575
No
23
GOM_TRA_1PNPDE20090508_022808_000000482078_00447_37575_6121.N1
08-MAY-2009 02:28:08
Bright
48.000
67
5Alp CrB
2.2210
11000.
96
37575
No
24
GOM_TRA_1PNPDE20090508_023901_000000392078_00447_37575_6122.N1
08-MAY-2009 02:39:01
Bright
39.000
119
14Eta Dra
2.7270
4700.0
78
37575
No
25
GOM_TRA_1PNPDE20090508_024946_000000372078_00447_37575_6123.N1
08-MAY-2009 02:49:46
Bright
36.500
89
5Alp Cep
2.4510
8000.0
73
37575
No
26
GOM_TRA_1PNPDE20090508_030227_000000352078_00447_37575_6262.N1
08-MAY-2009 03:02:27
Twi_and_stray
34.500
93
53Bet Peg
2.5200
3100.0
69
37575
No
27
GOM_TRA_1PNPDE20090508_030642_000000362078_00447_37575_6263.N1
08-MAY-2009 03:06:42
Dark
36.000
90
54Alp Peg
2.4870
11000.
72
37575
No
28
GOM_TRA_1PNPDE20090508_031426_000000502078_00447_37575_6264.N1
08-MAY-2009 03:14:26
Dark
50.000
162
34Alp Aqr
2.9440
5350.0
100
37575
No
29
GOM_TRA_1PNPDE20090508_034100_000000472078_00448_37576_6265.N1
08-MAY-2009 03:41:00
Straylight
47.000
40
The Sco
1.8590
7100.0
94
37576
No
30
GOM_TRA_1PNPDE20090508_034251_000000512078_00448_37576_6266.N1
08-MAY-2009 03:42:51
Straylight
50.500
25
35Lam Sco
1.6200
28000.
101
37576
No
31
GOM_TRA_1PNPDE20090508_034534_000000472078_00448_37576_6267.N1
08-MAY-2009 03:45:34
Straylight
47.000
75
26Eps Sco
2.2910
4250.0
94
37576
No
32
GOM_TRA_1PNPDE20090508_034859_000000492078_00448_37576_6268.N1
08-MAY-2009 03:48:59
Twi_and_stray
48.500
16
21Alp Sco
1.0200
3000.0
97
37576
No
33
GOM_TRA_1PNPDE20090508_035056_000000452078_00448_37576_6269.N1
08-MAY-2009 03:50:56
Bright
45.000
80
7Del Sco
2.3160
30000.
90
37576
No
34
GOM_TRA_1PNPDE20090508_035552_000000432078_00448_37576_6270.N1
08-MAY-2009 03:55:52
Bright
42.500
104
27Bet Lib
2.6140
13100.
85
37576
No
35
GOM_TRA_1PNPDE20090508_040157_000000502078_00448_37576_6271.N1
08-MAY-2009 04:01:57
Bright
50.000
102
24Alp Ser
2.6000
4250.0
100
37576
No
36
GOM_TRA_1PNPDE20090508_040719_000000432078_00448_37576_6272.N1
08-MAY-2009 04:07:19
Bright
43.000
83

2.3780
11000.
86
37576
No
37
GOM_TRA_1PNPDE20090508_040844_000000522078_00448_37576_6273.N1
08-MAY-2009 04:08:44
Bright
52.000
67
5Alp CrB
2.2210
11000.
104
37576
No
38
GOM_TRA_1PNPDE20090508_041937_000000422078_00448_37576_6274.N1
08-MAY-2009 04:19:37
Bright
42.000
119
14Eta Dra
2.7270
4700.0
84
37576
No
39
GOM_TRA_1PNPDE20090508_043022_000000382078_00448_37576_6454.N1
08-MAY-2009 04:30:22
Bright
37.500
89
5Alp Cep
2.4510
8000.0
75
37576
No
40
GOM_TRA_1PNPDE20090508_044304_000000352078_00448_37576_6455.N1
08-MAY-2009 04:43:04
Twi_and_stray
34.500
93
53Bet Peg
2.5200
3100.0
69
37576
No
41
GOM_TRA_1PNPDE20090508_044718_000000362078_00448_37576_6456.N1
08-MAY-2009 04:47:18
Dark
36.000
90
54Alp Peg
2.4870
11000.
72
37576
No
42
GOM_TRA_1PNPDE20090508_045503_000000502078_00448_37576_6457.N1
08-MAY-2009 04:55:03
Dark
50.000
162
34Alp Aqr
2.9440
5350.0
100
37576
No
43
GOM_TRA_1PNPDE20090508_052137_000000482078_00449_37577_6458.N1
08-MAY-2009 05:21:37
Straylight
47.500
40
The Sco
1.8590
7100.0
95
37577
No
44
GOM_TRA_1PNPDE20090508_052328_000000512078_00449_37577_6459.N1
08-MAY-2009 05:23:28
Straylight
51.000
25
35Lam Sco
1.6200
28000.
102
37577
No
45
GOM_TRA_1PNPDE20090508_052611_000000472078_00449_37577_6460.N1
08-MAY-2009 05:26:11
Straylight
47.000
75
26Eps Sco
2.2910
4250.0
94
37577
No
46
GOM_TRA_1PNPDE20090508_052936_000000482078_00449_37577_6461.N1
08-MAY-2009 05:29:36
Twi_and_stray
48.000
16
21Alp Sco
1.0200
3000.0
96
37577
No
47
GOM_TRA_1PNPDE20090508_053133_000000452078_00449_37577_6462.N1
08-MAY-2009 05:31:33
Bright
44.500
80
7Del Sco
2.3160
30000.
89
37577
No
48
GOM_TRA_1PNPDE20090508_053628_000000432078_00449_37577_6463.N1
08-MAY-2009 05:36:28
Bright
43.000
104
27Bet Lib
2.6140
13100.
86
37577
No
49
GOM_TRA_1PNPDE20090508_054232_000000512078_00449_37577_6464.N1
08-MAY-2009 05:42:32
Bright
51.000
102
24Alp Ser
2.6000
4250.0
102
37577
No

 

3. Plot of GOMOS spectrometers and photometers temperatures from level 1b data

qds_image


 

4. Overview of dark signal processing per product

The Dark Charge (DC) is a temperature-dependant signal added to the useful measurements and it is therefore substracted
from them during the processing. There are two phenomena that produce a continuous increase of the DC: the "hot pixels"
(a pixel is "hot" when its DC exceeds by a significant amount its value measured on ground at the same temperature) and
the "Random Telegraphic Signal" (abrupt change positive or negative of the CCD pixel signal, random in time, affecting
only the DC part of the signal and not the photon generated signal).
In this section a list of products that did not use the Dark Sky Area (DSA) observation for the DC computation is given.
It is also provided the mean DC plot per product for dark limb products with no error flag set.

4.1 All products used the DSA observation for the DC computation

4.2 Plot of mean dark charges per product: only products in DARK limb conditions without errors are used

qds_image


 

5. Demodulation flag and quality information monitoring

In this section it is presented the modulation information extracted from the pcd (product confidence data)
at measurement level and information extracted from the Quality Summary dataset. Only products without errors
(error flag in the MPH set to "0") are used.

 

5.1 Percentage of products during reporting period with:

At least one measurement with demodulation flag set:
30.6122 %
Reference spectrum computed from DB:
0.00000 %
Reference spectrum with small number of measurements:
0.00000 %
SATU data not used:
0.00000 %

 

5.2 Plot quality information per product (time dependant)

qds_image


 

5.3 Plot quality information per product (world map)

qds_image


 

6. Statistics and plot of tangent altitude of the last measurement (DARK & BRIGHT products without errors)

6.1 Statistics on tangent altitude lost:

Statistics DARK BRIGHT TWILIGHT
Mean:
32.877
23.222
NaN
St. deviation:
3.6494
4.9240
NaN
Maximum:
36.372
34.775
NaN
Minimum:
29.305
16.163
NaN
Number of data:
6.0000
23.000
NaN

 

6.2 Plot for DARK limb products

qds_image


 

6.3 Plot for BRIGHT limb products

qds_image


 

7. Star Acquisition and Tracking Unit (SATU)

The Star Acquisition and Tracking Unit (SATU) analyses the position of the tracked star beam collected by
the GOMOS telescope and deflected by the optical beam dispatcher. The main functin of the SATU is to detect
a star, provide its image position to the science data electronics and to help the pointing function to keep
the star image at a fixed position. In tracking mode the SATU data is recorded with a frecuency of 100 Hz.

 

7.1 SATU 'X' and 'Y' axis plots (dark limb)

SATU CCD 'X' and 'Y' axis plots are provided in order to detect any abnormal behaviour of the tracking system.
For every occultation (color) the plot should remain stable (with some noise) until we are deep in the atmosphere
where big fluctuations are registered due to the refractive effects.

qds_image

qds_image


 

7.2 Statistics on SATU Noise Equivalent Angle (NEA) for DARK (D) and BRIGHT (B) products above 105 kms

The Star Acquisition and Tracking Unit (it is the CCD that tracks the star while it is occulted) Noise Equivalent
Angle consists of the statistical angular variation of the SATU data above the atmosphere.
Statistics (in microradians) above 105 km are computed for every occultation, giving four values per occultation: one in the 'X'
direction and one in the 'Y' direction for dark and bright limbs. A mean value per day in every direction and limb
is calculated and monitored in order to assess instrument performance in terms of star pointing.

 

7.2.1 SATU NEA Statistics (table)

Statistics SATU X (D) SATU Y (D) SATU X (B) SATU Y (B)
Mean:
0.25063
-0.70269
0.35505
-1.2462
St. deviation:
0.87260
2.8648
0.88175
3.4648
Maximum:
3.7000
9.2000
4.8000
12.700
Minimum:
-3.0000
-10.900
-4.2000
-20.600
Number of data:
7050.0
7050.0
24250.
24250.

 

7.2.2 Trend of daily SATU NEA St. deviation since 1st April 2006 (dark limb)

The long term trend of the SATU 'X' and 'Y' standard deviations should be constant during the whole mission.

The colorbar represents the start tangent altitude (km) of the occultations.

Upper curve: STD of SATU Y axis
Lower curve: STD of SATU X axis

qds_image


 

8. Auxiliary Data Files used for the production reported in section 2.4

The number reported in the third column indicates since which file (see list in section 2.4) the corresponding
auxiliary file has been used. The fourth column is the date of those product files.

 
Type Auxiliary Filename Used since product Used since product date
INST_PHYS_CHARACTERISTICS
GOM_INS_AXNIEC20050627_150713_20030716_120000_20100101_000000
1
08-MAY-2009 00:19:47
CALIBRATION_DATABASE
GOM_CAL_AXVIEC20090430_144945_20090428_000000_20100101_000000
1
08-MAY-2009 00:19:47
LEVEL-1B_PROC_CONFIG
GOM_PR1_AXNIEC20050627_151042_20020301_000000_20100101_000000
1
08-MAY-2009 00:19:47
STAR_CATALOGUE
GOM_CAT_AXVIEC20020121_161009_20020101_000000_20200101_000000
1
08-MAY-2009 00:19:47
STELLAR_SPECTRA_DATABANK
GOM_STS_AXNIEC20040308_103538_20020101_160000_20100101_000000
1
08-MAY-2009 00:19:47
ECMWF_FILE
AUX_ECF_AXNECM20090507_064112_20090507_210000_20090508_090000
1
08-MAY-2009 00:19:47
OPTIONAL_ECMWF_FILE
MISSING
1
08-MAY-2009 00:19:47
ORBIT_DATA_FILE
DOR_NAV_0PNPDE20090507_221026_000057382078_00444_37572_7899.N1
1
08-MAY-2009 00:19:47
ORBIT_DATA_FILE
DOR_NAV_0PNPDE20090507_235123_000057382078_00445_37573_7900.N1
14
08-MAY-2009 01:33:49
ORBIT_DATA_FILE
DOR_NAV_0PNPDE20090508_013220_000041442078_00446_37574_7901.N1
26
08-MAY-2009 03:02:27
ORBIT_DATA_FILE
DOR_NAV_0PNPDE20090508_024643_000057382078_00447_37575_7902.N1
39
08-MAY-2009 04:30:22

Reports
Daily Report Level 2 Dataset IPF v6.01
Daily Reports of NRT data
Data Anomaly Reports
Instrument Anomaly Reports
Monthly Reports
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