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GOMOS Daily Report 17-MAR-2009

GOMOS Daily Report 17-MAR-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
20MAR2009 06:02:25
Data source version
GOMOS/5.00
Start time of products
17MAR2009 00:00:42
Stop time of products
17MAR2009 04:17:39
Store outputs in DB
Yes
Nb of level 1b prods
50
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
17-MAR-2009 00:34:02
34SigSgr
57
36829
17-MAR-2009 02:18:08
20EpsSgr
38
36830

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_1PNPDE20090317_000042_000000482077_00202_36829_6524.N1
17-MAR-2009 00:00:42
Bright
48.000
119
14Eta Dra
2.7270
4700.0
96
36829
No
2
GOM_TRA_1PNPDE20090317_000542_000000522077_00202_36829_6525.N1
17-MAR-2009 00:05:42
Bright
51.500
130
23Bet Dra
2.7990
5800.0
103
36829
No
3
GOM_TRA_1PNPDE20090317_001211_000000732077_00202_36829_6526.N1
17-MAR-2009 00:12:11
Bright
73.000
5
3Alp Lyr
0.033000
11000.
146
36829
No
4
GOM_TRA_1PNPDE20090317_002117_000000502077_00202_36829_6527.N1
17-MAR-2009 00:21:17
Twi_and_stray
49.500
118
50Gam Aql
2.7180
4600.0
99
36829
No
5
GOM_TRA_1PNPDE20090317_003527_000000512077_00202_36829_6673.N1
17-MAR-2009 00:35:27
Dark
51.000
137
22Lam Sgr
2.8240
4400.0
102
36829
No
6
GOM_TRA_1PNPDE20090317_003730_000000482077_00202_36829_6674.N1
17-MAR-2009 00:37:30
Dark
47.500
38
20Eps Sgr
1.8360
11000.
95
36829
No
7
GOM_TRA_1PNPDE20090317_004111_000000502077_00203_36830_6675.N1
17-MAR-2009 00:41:11
Dark
50.000
25
35Lam Sco
1.6200
28000.
100
36830
No
8
GOM_TRA_1PNPDE20090317_004953_000000512077_00203_36830_6676.N1
17-MAR-2009 00:49:53
Dark
51.000
131
Gam Lup
2.8000
26000.
102
36830
No
9
GOM_TRA_1PNPDE20090317_005152_000000472077_00203_36830_6677.N1
17-MAR-2009 00:51:52
Dark
46.500
78
Alp Lup
2.3040
28000.
93
36830
No
10
GOM_TRA_1PNPDE20090317_005319_000000522077_00203_36830_6678.N1
17-MAR-2009 00:53:19
Dark
51.500
81
Eta Cen
2.3560
28000.
103
36830
No
11
GOM_TRA_1PNPDE20090317_005626_000000562077_00203_36830_6679.N1
17-MAR-2009 00:56:26
Straylight
56.000
54
5The Cen
2.0550
4500.0
112
36830
No
12
GOM_TRA_1PNPDE20090317_005813_000000482077_00203_36830_6680.N1
17-MAR-2009 00:58:13
Straylight
48.000
123
Iot Cen
2.7500
10200.
96
36830
No
13
GOM_TRA_1PNPDE20090317_010312_000000342077_00203_36830_6681.N1
17-MAR-2009 01:03:12
Straylight
34.000
169
46Gam Hya
2.9910
4700.0
68
36830
No
14
GOM_TRA_1PNPDE20090317_010434_000000502077_00203_36830_6682.N1
17-MAR-2009 01:04:34
Straylight
50.000
171
2Eps Crv
3.0010
4250.0
100
36830
No
15
GOM_TRA_1PNPDE20090317_010615_000000482077_00203_36830_6683.N1
17-MAR-2009 01:06:15
Twi_and_stray
48.000
100
4Gam Crv
2.5800
13100.
96
36830
No
16
GOM_TRA_1PNPDE20090317_011718_000000472077_00203_36830_6684.N1
17-MAR-2009 01:17:18
Bright
46.500
62
94Bet Leo
2.1360
9700.0
93
36830
No
17
GOM_TRA_1PNPDE20090317_012907_000000402077_00203_36830_6685.N1
17-MAR-2009 01:29:07
Bright
40.000
87
64Gam UMa
2.4330
11000.
80
36830
No
18
GOM_TRA_1PNPDE20090317_013143_000000462077_00203_36830_6686.N1
17-MAR-2009 01:31:43
Bright
45.500
32
77Eps UMa
1.7630
11000.
91
36830
No
19
GOM_TRA_1PNPDE20090317_014117_000000482077_00203_36830_6687.N1
17-MAR-2009 01:41:17
Bright
48.000
119
14Eta Dra
2.7270
4700.0
96
36830
No
20
GOM_TRA_1PNPDE20090317_014618_000000542077_00203_36830_6688.N1
17-MAR-2009 01:46:18
Bright
53.500
130
23Bet Dra
2.7990
5800.0
107
36830
No
21
GOM_TRA_1PNPDE20090317_015247_000000632077_00203_36830_6689.N1
17-MAR-2009 01:52:47
Bright
62.500
5
3Alp Lyr
0.033000
11000.
125
36830
No
22
GOM_TRA_1PNPDE20090317_020153_000000522077_00203_36830_6690.N1
17-MAR-2009 02:01:53
Twi_and_stray
52.000
118
50Gam Aql
2.7180
4600.0
104
36830
No
23
GOM_TRA_1PNPDE20090317_021235_000000492077_00203_36830_6796.N1
17-MAR-2009 02:12:35
Dark
48.500
155
41Pi Sgr
2.9000
6600.0
97
36830
No
24
GOM_TRA_1PNPDE20090317_021438_000000492077_00203_36830_6797.N1
17-MAR-2009 02:14:38
Dark
48.500
57
34Sig Sgr
2.0660
26000.
97
36830
No
25
GOM_TRA_1PNPDE20090317_021604_000000562077_00203_36830_6798.N1
17-MAR-2009 02:16:04
Dark
56.000
137
22Lam Sgr
2.8240
4400.0
112
36830
No
26
GOM_TRA_1PNPDE20090317_022149_000000502077_00204_36831_6799.N1
17-MAR-2009 02:21:49
Dark
49.500
25
35Lam Sco
1.6200
28000.
99
36831
No
27
GOM_TRA_1PNPDE20090317_023030_000000532077_00204_36831_6800.N1
17-MAR-2009 02:30:30
Dark
53.000
131
Gam Lup
2.8000
26000.
106
36831
No
28
GOM_TRA_1PNPDE20090317_023228_000000492077_00204_36831_6801.N1
17-MAR-2009 02:32:28
Dark
49.000
78
Alp Lup
2.3040
28000.
98
36831
No
29
GOM_TRA_1PNPDE20090317_023356_000000552077_00204_36831_6802.N1
17-MAR-2009 02:33:56
Dark
54.500
81
Eta Cen
2.3560
28000.
109
36831
No
30
GOM_TRA_1PNPDE20090317_023703_000000632077_00204_36831_6803.N1
17-MAR-2009 02:37:03
Straylight
62.500
54
5The Cen
2.0550
4500.0
125
36831
No
31
GOM_TRA_1PNPDE20090317_023849_000000512077_00204_36831_6804.N1
17-MAR-2009 02:38:49
Straylight
50.500
123
Iot Cen
2.7500
10200.
101
36831
No
32
GOM_TRA_1PNPDE20090317_024348_000000342077_00204_36831_6805.N1
17-MAR-2009 02:43:48
Straylight
34.000
169
46Gam Hya
2.9910
4700.0
68
36831
No
33
GOM_TRA_1PNPDE20090317_024510_000000492077_00204_36831_6806.N1
17-MAR-2009 02:45:10
Straylight
49.000
171
2Eps Crv
3.0010
4250.0
98
36831
No
34
GOM_TRA_1PNPDE20090317_024651_000000482077_00204_36831_6807.N1
17-MAR-2009 02:46:51
Twi_and_stray
47.500
100
4Gam Crv
2.5800
13100.
95
36831
No
35
GOM_TRA_1PNPDE20090317_025754_000000452077_00204_36831_6808.N1
17-MAR-2009 02:57:54
Bright
44.500
62
94Bet Leo
2.1360
9700.0
89
36831
No
36
GOM_TRA_1PNPDE20090317_030943_000000412077_00204_36831_6809.N1
17-MAR-2009 03:09:43
Bright
40.500
87
64Gam UMa
2.4330
11000.
81
36831
No
37
GOM_TRA_1PNPDE20090317_031218_000000462077_00204_36831_6810.N1
17-MAR-2009 03:12:18
Bright
45.500
32
77Eps UMa
1.7630
11000.
91
36831
No
38
GOM_TRA_1PNPDE20090317_032153_000000472077_00204_36831_6979.N1
17-MAR-2009 03:21:53
Bright
47.000
119
14Eta Dra
2.7270
4700.0
94
36831
No
39
GOM_TRA_1PNPDE20090317_032653_000000542077_00204_36831_6980.N1
17-MAR-2009 03:26:53
Bright
53.500
130
23Bet Dra
2.7990
5800.0
107
36831
No
40
GOM_TRA_1PNPDE20090317_033323_000000732077_00204_36831_6981.N1
17-MAR-2009 03:33:23
Bright
73.000
5
3Alp Lyr
0.033000
11000.
146
36831
No
41
GOM_TRA_1PNPDE20090317_034230_000000522077_00204_36831_6982.N1
17-MAR-2009 03:42:30
Twi_and_stray
52.000
118
50Gam Aql
2.7180
4600.0
104
36831
No
42
GOM_TRA_1PNPDE20090317_035312_000000442077_00204_36831_6983.N1
17-MAR-2009 03:53:12
Dark
43.500
155
41Pi Sgr
2.9000
6600.0
87
36831
No
43
GOM_TRA_1PNPDE20090317_035515_000000462077_00204_36831_6984.N1
17-MAR-2009 03:55:15
Dark
45.500
57
34Sig Sgr
2.0660
26000.
91
36831
No
44
GOM_TRA_1PNPDE20090317_035641_000000482077_00204_36831_6985.N1
17-MAR-2009 03:56:41
Dark
48.000
137
22Lam Sgr
2.8240
4400.0
96
36831
No
45
GOM_TRA_1PNPDE20090317_035844_000000462077_00204_36831_6986.N1
17-MAR-2009 03:58:44
Dark
46.000
38
20Eps Sgr
1.8360
11000.
92
36831
No
46
GOM_TRA_1PNPDE20090317_040226_000000492077_00205_36832_6987.N1
17-MAR-2009 04:02:26
Dark
49.000
25
35Lam Sco
1.6200
28000.
98
36832
No
47
GOM_TRA_1PNPDE20090317_041107_000000522077_00205_36832_6988.N1
17-MAR-2009 04:11:07
Dark
52.000
131
Gam Lup
2.8000
26000.
104
36832
No
48
GOM_TRA_1PNPDE20090317_041305_000000472077_00205_36832_6989.N1
17-MAR-2009 04:13:05
Dark
46.500
78
Alp Lup
2.3040
28000.
93
36832
No
49
GOM_TRA_1PNPDE20090317_041433_000000522077_00205_36832_6990.N1
17-MAR-2009 04:14:33
Dark
51.500
81
Eta Cen
2.3560
28000.
103
36832
No
50
GOM_TRA_1PNPDE20090317_041739_000000622077_00205_36832_6991.N1
17-MAR-2009 04:17:39
Straylight
62.000
54
5The Cen
2.0550
4500.0
124
36832
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:
42.0000 %
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:
18.302
17.884
NaN
St. deviation:
2.6158
6.2955
NaN
Maximum:
22.536
22.988
NaN
Minimum:
12.564
3.9892
NaN
Number of data:
21.000
15.000
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:
0.33949
-1.1437
0.26033
-0.28299
St. deviation:
0.90460
2.4336
0.72951
2.4749
Maximum:
22.200
17.600
4.4000
14.600
Minimum:
-8.0000
-30.500
-3.4000
-15.100
Number of data:
24350.
24350.
16700.
16700.

 

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
17-MAR-2009 00:00:42
CALIBRATION_DATABASE
GOM_CAL_AXVIEC20090313_081258_20090311_000000_20100101_000000
1
17-MAR-2009 00:00:42
LEVEL-1B_PROC_CONFIG
GOM_PR1_AXNIEC20050627_151042_20020301_000000_20100101_000000
1
17-MAR-2009 00:00:42
STAR_CATALOGUE
GOM_CAT_AXVIEC20020121_161009_20020101_000000_20200101_000000
1
17-MAR-2009 00:00:42
STELLAR_SPECTRA_DATABANK
GOM_STS_AXNIEC20040308_103538_20020101_160000_20100101_000000
1
17-MAR-2009 00:00:42
ECMWF_FILE
AUX_ECF_AXNECM20090316_064112_20090316_210000_20090317_090000
1
17-MAR-2009 00:00:42
ECMWF_FILE
AUX_ECF_AXNECM20090316_182449_20090317_030000_20090317_150000
38
17-MAR-2009 03:21:53
OPTIONAL_ECMWF_FILE
MISSING
1
17-MAR-2009 00:00:42
ORBIT_DATA_FILE
DOR_NAV_0PNPDE20090316_210015_000060572077_00200_36827_7562.N1
1
17-MAR-2009 00:00:42
ORBIT_DATA_FILE
DOR_NAV_0PNPDE20090316_224631_000057382077_00201_36828_7563.N1
5
17-MAR-2009 00:35:27
ORBIT_DATA_FILE
DOR_NAV_0PNPDE20090317_002728_000054192077_00202_36829_7564.N1
23
17-MAR-2009 02:12:35
ORBIT_DATA_FILE
DOR_NAV_0PNPDE20090317_020306_000041442077_00203_36830_7565.N1
38
17-MAR-2009 03:21:53

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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