One of the IOT project is to monitor the throughput of the AMBER
instrument.<br> <br>
<FONT COLOR="#FF0000">GROUP "flux_magnitude": <br>
<FONT COLOR="#000000">The pipeline calculates a QC parameter which corresponds to the total flux in
the central 80% of the spectrum (J H or K) for the different photometric
channels P1 P2 P3. These values are given in e-<br>
They are afterwards corrected in ADU/s/px (gain used: 4.7)<br>
This is not corrected for the magnitude and the transmission of the VLTI.
<br>
<br>
The AMBER flux is shown as a function of the K/H magnitude (extracted from
 the calibrator databasexi or from SIMBAD) in this group of plots.<br>
There are several plots: <br>
-- flux_mag_AT/UT: for the ATs (groups 1-2) and UTs (groups 3-4): we plot flux=f(mag) for LRK, MK (2.1 and 2.3), MH, HK (2.172, 2.288) <br>
-- Last groups: flux_mag_tel: we show on the same plot the data for the ATs and UTs for the 3 beams for LK, MK (2.1)  and HK (2.172)
<br><br>
<FONT COLOR="#FF0000">GROUP "flux_magnitude_FNT": <br>
<FONT COLOR="#000000">A corrected AMBER flux in the
interferometric channels (per
ADU/s/pixel) is calculated by an additional script. <br>
This is not corrected for the magnitude of the object and for the transmission of the VLTI.
<br>
<br>
The AMBER flux is shown as a function of the K/H magnitude (extracted from
SIMBAD) in this group of plots.<br>
There are several plots: <br>
-- flux_mag_AT/UT: for the ATs (groups 1-2) and UTs (groups 3-4): we plot flux=f(mag) for LRK, MK (2.1 and 2.3), MH, HK (2.172, 2.288) <br>
-- Last groups: flux_mag_tel: we show on the same plot the data for the ATs and UTs for the 3 beams for LK, MK (2.1)  and HK (2.172)
<br><br>
<FONT COLOR="#FF0000">GROUP "Throughput": <br>
<FONT COLOR="#000000">The pipeline calculates a QC parameter which corresponds
to the total flux in
the central 80% of the spectrum (J H or K) for the different photometric
channels P1 P2 P3. These values are given in e-<br>
They are afterwards corrected in ADU/s/px (gain used: 4.7) and for the
magnitude of the object (from SIMBAD or the calibrator data base)<br>
This is not corrected for the transmission of the VLTI.
<br>
The AMBER corrected flux is trended in time for each telescope (AT1 to AT4 and
UT1 to UT4) for the 2 settings LR and HR 2.172
<br>
<br><br>Additional parameters (such as for ex. transmission and magnitude)
are available in the amber_performances qc1database<br>