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FORS1 trending system: History Plots
Last update: 2009-04-14T12:45:55 (UT)
| now: 2022-05-27T18:35:12 (UT)  
same group: U_BESS B_BESS V_BESS R_BESS I_BESS u_HIGH b_HIGH v_HIGH g_HIGH
close window history: 2002 2003 2004 2005 2006 2007   2008   HEALTH
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2008-04-19 Switch to high throughput filters as standard set; trending of V_BESS stopped
Plot
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Symb
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Source
*
OPS?
**
Average ? Thresholds ? N_
data
QC1
parameter
Data
downloads
Remarks
method value unit method value
1 QC1DB yes (0) none   mag none   47 zp_frame this | last_yr | all Frame zeropoint from e-/sec (more than 1 star; Garching)
1 QC1DB yes (0) none   mag none   6 zp_frame this | last_yr | all Frame zeropoint from e-/sec (1 star only; Garching)
1 QC1DB yes (0) MEDIAN 28.1853 mag OFF± 0.07 42 zp_frame this | last_yr | all Frame zeropoint from e-/sec (photometric nights only; Garching)
2 QC1DB yes (0) MEDIAN 0.01388 mag VAL0,0.07 53 sig_zp_frame this | last_yr | all error of frame zeropoint from e-/sec (Garching)
3 QC1DB yes (0) none   mag none   48 zp_frame this | last_yr | all Frame zeropoint from e-/sec (more than 1 star; Garching)
3 QC1DB yes (0) none   mag none   1 zp_frame this | last_yr | all Frame zeropoint from e-/sec (1 star only; Garching)
3 QC1DB yes (0) MEDIAN 28.1227 mag OFF± 0.07 44 zp_frame this | last_yr | all Frame zeropoint from e-/sec (photometric nights only; Garching)
4 QC1DB yes (0) MEDIAN 0.01149 mag VAL0,0.07 49 sig_zp_frame this | last_yr | all error of frame zeropoint from e-/sec (Garching)
*Data sources: QC1DB: QC1 database; LOCAL: local text file | **OPS: to indicate that OPSLOG data are included
This plot

Trending is done only for the SR collimator. For the old CCD (until 2007-03-25) only 1x1 binning data are trended. For the new CCDs (since 2007-04-01) only 2x2 binning data are trended. Photometric nights are selected from the Absorption Monitor. Zeropoints are per frame for flux in e-/sec, not in ADU. Do not use these zeropoints for science data. They are reduced assuming a standard extinction value, which may not be correct for an individual night!  


General information

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

If applicable, the latest values from Paranal ops logs are plotted as blue dots. More information about those values, including a download option, is available in the OPS column.

The latest date is indicated on top of the plot, data points belonging to that date are specially marked.

If configured,

  • 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