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GRAVITY trending system: HEALTH CHECK report
HELP USERS-GUIDE MORE
Last update: 2025-04-05T08:19:49 (UT) (0d 00h:26m ago)
  | now: 2025-04-05T08:46:20 (UT) muc05 QC pipeline: gravity-1.5.4 (installed 2022-03-24)
same group: AT_SC_low AT_SC_med AT_SC_high AT_FT   UT_SC_low UT_SC_med UT_SC_high UT_FT
General news: NOTE: The Health Check and calChecker services are moved to qcFlow on an instrument by instrument basis. The current pages will not be updated any longer once the move has been finished.
GRAVITY news:  
Report news:
DATE*: [?] 2025-03-29
report | NLT 		2025-03-30
report | NLT 		2025-03-31
report | NLT 		2025-04-01
report | NLT 		2025-04-02
report | NLT 		2025-04-03
report | NLT 		2025-04-04
report | NLT
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scores&comments | history ... | plot tutorial ... | contact | HC_docu... | quality events...               [?] 		*Date on this monitor changes at 21:00 UT
png: Information and research:
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Plot
?		 Symb
?		 Source
*		 Average ? Thresholds ? N_
data		 QC1
parameter		 Data
downloads		 Remarks
method value unit method value
1 •QC1DB MEDIAN -0.42 degrees none  12 t3_phi_ft123_p1 this | last_yr | all closure phase, telescopes 123 (=UT432), SPLIT polarisation, FT
2 •QC1DB MEDIAN 0.524 degrees none  12 t3_phi_ft124_p1 this | last_yr | all closure phase, telescopes 124 (=UT431), SPLIT polarisation, FT
3 •QC1DB MEDIAN 0.267 degrees none  12 t3_phi_ft134_p1 this | last_yr | all closure phase, telescopes 134 (=UT421), SPLIT polarisation, FT
4 •QC1DB MEDIAN -0.239 degrees none  12 t3_phi_ft234_p1 this | last_yr | all closure phase, telescopes 234 (=UT321), SPLIT polarisation, FT
5 •QC1DB MEDIAN -0.55 degrees none  18 t3_phi_ft123_p1 this | last_yr | all closure phase, telescopes 123 (=UT432), COMBINED polarisation, FT
6 •QC1DB MEDIAN 0.479 degrees none  18 t3_phi_ft124_p1 this | last_yr | all closure phase, telescopes 124 (=UT431), COMBINED polarisation, FT
7 •QC1DB MEDIAN 1.11 degrees none  18 t3_phi_ft134_p1 this | last_yr | all closure phase, telescopes 134 (=UT421), COMBINED polarisation, FT
8 •QC1DB MEDIAN -0.0711 degrees none  18 t3_phi_ft234_p1 this | last_yr | all closure phase, telescopes 234 (=UT321), COMBINED polarisation, FT
*Data sources: QC1DB: QC1 database; LOCAL: local data source
Plot 1
scores: not implemented
data source:gravity_vis
(QC1 database)
dataset:t3_phi_ft123_p1•
median:-0.42degrees
thresholds:none 
N_data plotted:12
[click plot for closeup]
Plot 2
scores: not implemented
data source:gravity_vis
(QC1 database)
dataset:t3_phi_ft124_p1•
median:0.524degrees
thresholds:none 
N_data plotted:12
[click plot for closeup]
Plot 3
scores: not implemented
data source:gravity_vis
(QC1 database)
dataset:t3_phi_ft134_p1•
median:0.267degrees
thresholds:none 
N_data plotted:12
[click plot for closeup]
Plot 4
scores: not implemented
data source:gravity_vis
(QC1 database)
dataset:t3_phi_ft234_p1•
median:-0.239degrees
thresholds:none 
N_data plotted:12
[click plot for closeup]
Plot 5
scores: not implemented
data source:gravity_vis
(QC1 database)
dataset:t3_phi_ft123_p1•
median:-0.55degrees
thresholds:none 
N_data plotted:18
[click plot for closeup]
Plot 6
scores: not implemented
data source:gravity_vis
(QC1 database)
dataset:t3_phi_ft124_p1•
median:0.479degrees
thresholds:none 
N_data plotted:18
[click plot for closeup]
Plot 7
scores: not implemented
data source:gravity_vis
(QC1 database)
dataset:t3_phi_ft134_p1•
median:1.11degrees
thresholds:none 
N_data plotted:18
[click plot for closeup]
Plot 8
scores: not implemented
data source:gravity_vis
(QC1 database)
dataset:t3_phi_ft234_p1•
median:-0.0711degrees
thresholds:none 
N_data plotted:18
[click plot for closeup]
This plot

Closure phase T3 phi from night-time calibrator measurements for the 4 telescope triangles and for FT and SC, respectively.  

General information

Click on any of the plots to see a close-up version.

The latest date is indicated on top of the plot.

If configured,

  • data points belonging to the latest date are specially marked
  • statistical averages are indicated by a solid line, and thresholds by broken lines
  • outliers are marked by a red asterisk. They are defined as data points outside the threshold lines
  • "aliens" (= data points outside the plot Y limits) are marked by a red arrow (↑ or ↓)
  • you can download the data for each parameter set if the 'Data downloads' link shows up